git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/file/openrocket/importt/OpenRocketLoader.java

   1 package net.sf.openrocket.file.openrocket.importt;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.lang.reflect.Constructor;
   6 import java.lang.reflect.InvocationTargetException;
   7 import java.util.ArrayList;
   8 import java.util.HashMap;
   9 import java.util.List;
  10 import java.util.Locale;
  11 import java.util.regex.Matcher;
  12 import java.util.regex.Pattern;
  13
  14 import net.sf.openrocket.aerodynamics.Warning;
  15 import net.sf.openrocket.aerodynamics.WarningSet;
  16 import net.sf.openrocket.database.Databases;
  17 import net.sf.openrocket.document.OpenRocketDocument;
  18 import net.sf.openrocket.document.Simulation;
  19 import net.sf.openrocket.document.Simulation.Status;
  20 import net.sf.openrocket.document.StorageOptions;
  21 import net.sf.openrocket.file.AbstractRocketLoader;
  22 import net.sf.openrocket.file.MotorFinder;
  23 import net.sf.openrocket.file.RocketLoadException;
  24 import net.sf.openrocket.file.simplesax.AbstractElementHandler;
  25 import net.sf.openrocket.file.simplesax.ElementHandler;
  26 import net.sf.openrocket.file.simplesax.PlainTextHandler;
  27 import net.sf.openrocket.file.simplesax.SimpleSAX;
  28 import net.sf.openrocket.logging.LogHelper;
  29 import net.sf.openrocket.material.Material;
  30 import net.sf.openrocket.motor.Motor;
  31 import net.sf.openrocket.preset.ComponentPreset;
  32 import net.sf.openrocket.rocketcomponent.BodyComponent;
  33 import net.sf.openrocket.rocketcomponent.BodyTube;
  34 import net.sf.openrocket.rocketcomponent.Bulkhead;
  35 import net.sf.openrocket.rocketcomponent.CenteringRing;
  36 import net.sf.openrocket.rocketcomponent.ClusterConfiguration;
  37 import net.sf.openrocket.rocketcomponent.Clusterable;
  38 import net.sf.openrocket.rocketcomponent.EllipticalFinSet;
  39 import net.sf.openrocket.rocketcomponent.EngineBlock;
  40 import net.sf.openrocket.rocketcomponent.ExternalComponent;
  41 import net.sf.openrocket.rocketcomponent.ExternalComponent.Finish;
  42 import net.sf.openrocket.rocketcomponent.FinSet;
  43 import net.sf.openrocket.rocketcomponent.FinSet.TabRelativePosition;
  44 import net.sf.openrocket.rocketcomponent.FreeformFinSet;
  45 import net.sf.openrocket.rocketcomponent.IllegalFinPointException;
  46 import net.sf.openrocket.rocketcomponent.InnerTube;
  47 import net.sf.openrocket.rocketcomponent.InternalComponent;
  48 import net.sf.openrocket.rocketcomponent.LaunchLug;
  49 import net.sf.openrocket.rocketcomponent.MassComponent;
  50 import net.sf.openrocket.rocketcomponent.MassObject;
  51 import net.sf.openrocket.rocketcomponent.MotorMount;
  52 import net.sf.openrocket.rocketcomponent.NoseCone;
  53 import net.sf.openrocket.rocketcomponent.Parachute;
  54 import net.sf.openrocket.rocketcomponent.RadiusRingComponent;
  55 import net.sf.openrocket.rocketcomponent.RecoveryDevice;
  56 import net.sf.openrocket.rocketcomponent.ReferenceType;
  57 import net.sf.openrocket.rocketcomponent.RingComponent;
  58 import net.sf.openrocket.rocketcomponent.Rocket;
  59 import net.sf.openrocket.rocketcomponent.RocketComponent;
  60 import net.sf.openrocket.rocketcomponent.RocketComponent.Position;
  61 import net.sf.openrocket.rocketcomponent.ShockCord;
  62 import net.sf.openrocket.rocketcomponent.Stage;
  63 import net.sf.openrocket.rocketcomponent.Streamer;
  64 import net.sf.openrocket.rocketcomponent.StructuralComponent;
  65 import net.sf.openrocket.rocketcomponent.SymmetricComponent;
  66 import net.sf.openrocket.rocketcomponent.ThicknessRingComponent;
  67 import net.sf.openrocket.rocketcomponent.Transition;
  68 import net.sf.openrocket.rocketcomponent.TrapezoidFinSet;
  69 import net.sf.openrocket.rocketcomponent.TubeCoupler;
  70 import net.sf.openrocket.simulation.customexpression.CustomExpression;
  71 import net.sf.openrocket.simulation.FlightData;
  72 import net.sf.openrocket.simulation.FlightDataBranch;
  73 import net.sf.openrocket.simulation.FlightDataType;
  74 import net.sf.openrocket.simulation.FlightEvent;
  75 import net.sf.openrocket.simulation.FlightEvent.Type;
  76 import net.sf.openrocket.simulation.SimulationOptions;
  77 import net.sf.openrocket.startup.Application;
  78 import net.sf.openrocket.unit.UnitGroup;
  79 import net.sf.openrocket.util.BugException;
  80 import net.sf.openrocket.util.Color;
  81 import net.sf.openrocket.util.Coordinate;
  82 import net.sf.openrocket.util.GeodeticComputationStrategy;
  83 import net.sf.openrocket.util.LineStyle;
  84 import net.sf.openrocket.util.Reflection;
  85
  86 import org.xml.sax.InputSource;
  87 import org.xml.sax.SAXException;
  88
  89
  90 /**
  91  * Class that loads a rocket definition from an OpenRocket rocket file.
  92  * <p>
  93  * This class uses SAX to read the XML file format.  The
  94  * #loadFromStream(InputStream) method simply sets the system up and
  95  * starts the parsing, while the actual logic is in the private inner class
  96  * <code>OpenRocketHandler</code>.
  97  *
  98  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  99  */
 100 public class OpenRocketLoader extends AbstractRocketLoader {
 101         private static final LogHelper log = Application.getLogger();
 102
 103
 104         @Override
 105         public OpenRocketDocument loadFromStream(InputStream source, MotorFinder motorFinder) throws RocketLoadException,
 106         IOException {
 107                 log.info("Loading .ork file");
 108                 DocumentLoadingContext context = new DocumentLoadingContext();
 109                 context.setMotorFinder(motorFinder);
 110
 111                 InputSource xmlSource = new InputSource(source);
 112                 OpenRocketHandler handler = new OpenRocketHandler(context);
 113
 114
 115                 try {
 116                         SimpleSAX.readXML(xmlSource, handler, warnings);
 117                 } catch (SAXException e) {
 118                         log.warn("Malformed XML in input");
 119                         throw new RocketLoadException("Malformed XML in input.", e);
 120                 }
 121
 122
 123                 OpenRocketDocument doc = handler.getDocument();
 124                 doc.getDefaultConfiguration().setAllStages();
 125
 126                 // Deduce suitable time skip
 127                 double timeSkip = StorageOptions.SIMULATION_DATA_NONE;
 128                 for (Simulation s : doc.getSimulations()) {
 129                         if (s.getStatus() == Simulation.Status.EXTERNAL ||
 130                                         s.getStatus() == Simulation.Status.NOT_SIMULATED)
 131                                 continue;
 132                         if (s.getSimulatedData() == null)
 133                                 continue;
 134                         if (s.getSimulatedData().getBranchCount() == 0)
 135                                 continue;
 136                         FlightDataBranch branch = s.getSimulatedData().getBranch(0);
 137                         if (branch == null)
 138                                 continue;
 139                         List<Double> list = branch.get(FlightDataType.TYPE_TIME);
 140                         if (list == null)
 141                                 continue;
 142
 143                         double previousTime = Double.NaN;
 144                         for (double time : list) {
 145                                 if (time - previousTime < timeSkip)
 146                                         timeSkip = time - previousTime;
 147                                 previousTime = time;
 148                         }
 149                 }
 150                 // Round value
 151                 timeSkip = Math.rint(timeSkip * 100) / 100;
 152
 153                 doc.getDefaultStorageOptions().setSimulationTimeSkip(timeSkip);
 154                 doc.getDefaultStorageOptions().setCompressionEnabled(false); // Set by caller if compressed
 155                 doc.getDefaultStorageOptions().setExplicitlySet(false);
 156
 157                 doc.clearUndo();
 158                 log.info("Loading done");
 159                 return doc;
 160         }
 161
 162 }
 163
 164
 165
 166 class DocumentConfig {
 167
 168         /* Remember to update OpenRocketSaver as well! */
 169         public static final String[] SUPPORTED_VERSIONS = { "1.0", "1.1", "1.2", "1.3", "1.4", "1.5" };
 170
 171         /**
 172          * Divisor used in converting an integer version to the point-represented version.
 173          * The integer version divided by this value is the major version and the remainder is
 174          * the minor version.  For example 101 corresponds to file version "1.1".
 175          */
 176         public static final int FILE_VERSION_DIVISOR = 100;
 177
 178
 179         ////////  Component constructors
 180         static final HashMap<String, Constructor<? extends RocketComponent>> constructors = new HashMap<String, Constructor<? extends RocketComponent>>();
 181         static {
 182                 try {
 183                         // External components
 184                         constructors.put("bodytube", BodyTube.class.getConstructor(new Class<?>[0]));
 185                         constructors.put("transition", Transition.class.getConstructor(new Class<?>[0]));
 186                         constructors.put("nosecone", NoseCone.class.getConstructor(new Class<?>[0]));
 187                         constructors.put("trapezoidfinset", TrapezoidFinSet.class.getConstructor(new Class<?>[0]));
 188                         constructors.put("ellipticalfinset", EllipticalFinSet.class.getConstructor(new Class<?>[0]));
 189                         constructors.put("freeformfinset", FreeformFinSet.class.getConstructor(new Class<?>[0]));
 190                         constructors.put("launchlug", LaunchLug.class.getConstructor(new Class<?>[0]));
 191
 192                         // Internal components
 193                         constructors.put("engineblock", EngineBlock.class.getConstructor(new Class<?>[0]));
 194                         constructors.put("innertube", InnerTube.class.getConstructor(new Class<?>[0]));
 195                         constructors.put("tubecoupler", TubeCoupler.class.getConstructor(new Class<?>[0]));
 196                         constructors.put("bulkhead", Bulkhead.class.getConstructor(new Class<?>[0]));
 197                         constructors.put("centeringring", CenteringRing.class.getConstructor(new Class<?>[0]));
 198
 199                         constructors.put("masscomponent", MassComponent.class.getConstructor(new Class<?>[0]));
 200                         constructors.put("shockcord", ShockCord.class.getConstructor(new Class<?>[0]));
 201                         constructors.put("parachute", Parachute.class.getConstructor(new Class<?>[0]));
 202                         constructors.put("streamer", Streamer.class.getConstructor(new Class<?>[0]));
 203
 204                         // Other
 205                         constructors.put("stage", Stage.class.getConstructor(new Class<?>[0]));
 206
 207                 } catch (NoSuchMethodException e) {
 208                         throw new BugException(
 209                                         "Error in constructing the 'constructors' HashMap.");
 210                 }
 211         }
 212
 213
 214         ////////  Parameter setters
 215         /*
 216          * The keys are of the form Class:param, where Class is the class name and param
 217          * the element name.  Setters are searched for in descending class order.
 218          * A setter of null means setting the parameter is not allowed.
 219          */
 220         static final HashMap<String, Setter> setters = new HashMap<String, Setter>();
 221         static {
 222                 // RocketComponent
 223                 setters.put("RocketComponent:name", new StringSetter(
 224                                 Reflection.findMethod(RocketComponent.class, "setName", String.class)));
 225                 setters.put("RocketComponent:color", new ColorSetter(
 226                                 Reflection.findMethod(RocketComponent.class, "setColor", Color.class)));
 227                 setters.put("RocketComponent:linestyle", new EnumSetter<LineStyle>(
 228                                 Reflection.findMethod(RocketComponent.class, "setLineStyle", LineStyle.class),
 229                                 LineStyle.class));
 230                 setters.put("RocketComponent:position", new PositionSetter());
 231                 setters.put("RocketComponent:overridemass", new OverrideSetter(
 232                                 Reflection.findMethod(RocketComponent.class, "setOverrideMass", double.class),
 233                                 Reflection.findMethod(RocketComponent.class, "setMassOverridden", boolean.class)));
 234                 setters.put("RocketComponent:overridecg", new OverrideSetter(
 235                                 Reflection.findMethod(RocketComponent.class, "setOverrideCGX", double.class),
 236                                 Reflection.findMethod(RocketComponent.class, "setCGOverridden", boolean.class)));
 237                 setters.put("RocketComponent:overridesubcomponents", new BooleanSetter(
 238                                 Reflection.findMethod(RocketComponent.class, "setOverrideSubcomponents", boolean.class)));
 239                 setters.put("RocketComponent:comment", new StringSetter(
 240                                 Reflection.findMethod(RocketComponent.class, "setComment", String.class)));
 241                 setters.put("RocketComponent:preset", new ComponentPresetSetter(
 242                                 Reflection.findMethod(RocketComponent.class, "loadPreset", ComponentPreset.class)));
 243
 244                 // ExternalComponent
 245                 setters.put("ExternalComponent:finish", new EnumSetter<Finish>(
 246                                 Reflection.findMethod(ExternalComponent.class, "setFinish", Finish.class),
 247                                 Finish.class));
 248                 setters.put("ExternalComponent:material", new MaterialSetter(
 249                                 Reflection.findMethod(ExternalComponent.class, "setMaterial", Material.class),
 250                                 Material.Type.BULK));
 251
 252                 // BodyComponent
 253                 setters.put("BodyComponent:length", new DoubleSetter(
 254                                 Reflection.findMethod(BodyComponent.class, "setLength", double.class)));
 255
 256                 // SymmetricComponent
 257                 setters.put("SymmetricComponent:thickness", new DoubleSetter(
 258                                 Reflection.findMethod(SymmetricComponent.class, "setThickness", double.class),
 259                                 "filled",
 260                                 Reflection.findMethod(SymmetricComponent.class, "setFilled", boolean.class)));
 261
 262                 // BodyTube
 263                 setters.put("BodyTube:radius", new DoubleSetter(
 264                                 Reflection.findMethod(BodyTube.class, "setOuterRadius", double.class),
 265                                 "auto",
 266                                 Reflection.findMethod(BodyTube.class, "setOuterRadiusAutomatic", boolean.class)));
 267
 268                 // Transition
 269                 setters.put("Transition:shape", new EnumSetter<Transition.Shape>(
 270                                 Reflection.findMethod(Transition.class, "setType", Transition.Shape.class),
 271                                 Transition.Shape.class));
 272                 setters.put("Transition:shapeclipped", new BooleanSetter(
 273                                 Reflection.findMethod(Transition.class, "setClipped", boolean.class)));
 274                 setters.put("Transition:shapeparameter", new DoubleSetter(
 275                                 Reflection.findMethod(Transition.class, "setShapeParameter", double.class)));
 276
 277                 setters.put("Transition:foreradius", new DoubleSetter(
 278                                 Reflection.findMethod(Transition.class, "setForeRadius", double.class),
 279                                 "auto",
 280                                 Reflection.findMethod(Transition.class, "setForeRadiusAutomatic", boolean.class)));
 281                 setters.put("Transition:aftradius", new DoubleSetter(
 282                                 Reflection.findMethod(Transition.class, "setAftRadius", double.class),
 283                                 "auto",
 284                                 Reflection.findMethod(Transition.class, "setAftRadiusAutomatic", boolean.class)));
 285
 286                 setters.put("Transition:foreshoulderradius", new DoubleSetter(
 287                                 Reflection.findMethod(Transition.class, "setForeShoulderRadius", double.class)));
 288                 setters.put("Transition:foreshoulderlength", new DoubleSetter(
 289                                 Reflection.findMethod(Transition.class, "setForeShoulderLength", double.class)));
 290                 setters.put("Transition:foreshoulderthickness", new DoubleSetter(
 291                                 Reflection.findMethod(Transition.class, "setForeShoulderThickness", double.class)));
 292                 setters.put("Transition:foreshouldercapped", new BooleanSetter(
 293                                 Reflection.findMethod(Transition.class, "setForeShoulderCapped", boolean.class)));
 294
 295                 setters.put("Transition:aftshoulderradius", new DoubleSetter(
 296                                 Reflection.findMethod(Transition.class, "setAftShoulderRadius", double.class)));
 297                 setters.put("Transition:aftshoulderlength", new DoubleSetter(
 298                                 Reflection.findMethod(Transition.class, "setAftShoulderLength", double.class)));
 299                 setters.put("Transition:aftshoulderthickness", new DoubleSetter(
 300                                 Reflection.findMethod(Transition.class, "setAftShoulderThickness", double.class)));
 301                 setters.put("Transition:aftshouldercapped", new BooleanSetter(
 302                                 Reflection.findMethod(Transition.class, "setAftShoulderCapped", boolean.class)));
 303
 304                 // NoseCone - disable disallowed elements
 305                 setters.put("NoseCone:foreradius", null);
 306                 setters.put("NoseCone:foreshoulderradius", null);
 307                 setters.put("NoseCone:foreshoulderlength", null);
 308                 setters.put("NoseCone:foreshoulderthickness", null);
 309                 setters.put("NoseCone:foreshouldercapped", null);
 310
 311                 // FinSet
 312                 setters.put("FinSet:fincount", new IntSetter(
 313                                 Reflection.findMethod(FinSet.class, "setFinCount", int.class)));
 314                 setters.put("FinSet:rotation", new DoubleSetter(
 315                                 Reflection.findMethod(FinSet.class, "setBaseRotation", double.class), Math.PI / 180.0));
 316                 setters.put("FinSet:thickness", new DoubleSetter(
 317                                 Reflection.findMethod(FinSet.class, "setThickness", double.class)));
 318                 setters.put("FinSet:crosssection", new EnumSetter<FinSet.CrossSection>(
 319                                 Reflection.findMethod(FinSet.class, "setCrossSection", FinSet.CrossSection.class),
 320                                 FinSet.CrossSection.class));
 321                 setters.put("FinSet:cant", new DoubleSetter(
 322                                 Reflection.findMethod(FinSet.class, "setCantAngle", double.class), Math.PI / 180.0));
 323                 setters.put("FinSet:tabheight", new DoubleSetter(
 324                                 Reflection.findMethod(FinSet.class, "setTabHeight", double.class)));
 325                 setters.put("FinSet:tablength", new DoubleSetter(
 326                                 Reflection.findMethod(FinSet.class, "setTabLength", double.class)));
 327                 setters.put("FinSet:tabposition", new FinTabPositionSetter());
 328
 329                 // TrapezoidFinSet
 330                 setters.put("TrapezoidFinSet:rootchord", new DoubleSetter(
 331                                 Reflection.findMethod(TrapezoidFinSet.class, "setRootChord", double.class)));
 332                 setters.put("TrapezoidFinSet:tipchord", new DoubleSetter(
 333                                 Reflection.findMethod(TrapezoidFinSet.class, "setTipChord", double.class)));
 334                 setters.put("TrapezoidFinSet:sweeplength", new DoubleSetter(
 335                                 Reflection.findMethod(TrapezoidFinSet.class, "setSweep", double.class)));
 336                 setters.put("TrapezoidFinSet:height", new DoubleSetter(
 337                                 Reflection.findMethod(TrapezoidFinSet.class, "setHeight", double.class)));
 338
 339                 // EllipticalFinSet
 340                 setters.put("EllipticalFinSet:rootchord", new DoubleSetter(
 341                                 Reflection.findMethod(EllipticalFinSet.class, "setLength", double.class)));
 342                 setters.put("EllipticalFinSet:height", new DoubleSetter(
 343                                 Reflection.findMethod(EllipticalFinSet.class, "setHeight", double.class)));
 344
 345                 // FreeformFinSet points handled as a special handler
 346
 347                 // LaunchLug
 348                 setters.put("LaunchLug:radius", new DoubleSetter(
 349                                 Reflection.findMethod(LaunchLug.class, "setOuterRadius", double.class)));
 350                 setters.put("LaunchLug:length", new DoubleSetter(
 351                                 Reflection.findMethod(LaunchLug.class, "setLength", double.class)));
 352                 setters.put("LaunchLug:thickness", new DoubleSetter(
 353                                 Reflection.findMethod(LaunchLug.class, "setThickness", double.class)));
 354                 setters.put("LaunchLug:radialdirection", new DoubleSetter(
 355                                 Reflection.findMethod(LaunchLug.class, "setRadialDirection", double.class),
 356                                 Math.PI / 180.0));
 357
 358                 // InternalComponent - nothing
 359
 360                 // StructuralComponent
 361                 setters.put("StructuralComponent:material", new MaterialSetter(
 362                                 Reflection.findMethod(StructuralComponent.class, "setMaterial", Material.class),
 363                                 Material.Type.BULK));
 364
 365                 // RingComponent
 366                 setters.put("RingComponent:length", new DoubleSetter(
 367                                 Reflection.findMethod(RingComponent.class, "setLength", double.class)));
 368                 setters.put("RingComponent:radialposition", new DoubleSetter(
 369                                 Reflection.findMethod(RingComponent.class, "setRadialPosition", double.class)));
 370                 setters.put("RingComponent:radialdirection", new DoubleSetter(
 371                                 Reflection.findMethod(RingComponent.class, "setRadialDirection", double.class),
 372                                 Math.PI / 180.0));
 373
 374                 // ThicknessRingComponent - radius on separate components due to differing automatics
 375                 setters.put("ThicknessRingComponent:thickness", new DoubleSetter(
 376                                 Reflection.findMethod(ThicknessRingComponent.class, "setThickness", double.class)));
 377
 378                 // EngineBlock
 379                 setters.put("EngineBlock:outerradius", new DoubleSetter(
 380                                 Reflection.findMethod(EngineBlock.class, "setOuterRadius", double.class),
 381                                 "auto",
 382                                 Reflection.findMethod(EngineBlock.class, "setOuterRadiusAutomatic", boolean.class)));
 383
 384                 // TubeCoupler
 385                 setters.put("TubeCoupler:outerradius", new DoubleSetter(
 386                                 Reflection.findMethod(TubeCoupler.class, "setOuterRadius", double.class),
 387                                 "auto",
 388                                 Reflection.findMethod(TubeCoupler.class, "setOuterRadiusAutomatic", boolean.class)));
 389
 390                 // InnerTube
 391                 setters.put("InnerTube:outerradius", new DoubleSetter(
 392                                 Reflection.findMethod(InnerTube.class, "setOuterRadius", double.class)));
 393                 setters.put("InnerTube:clusterconfiguration", new ClusterConfigurationSetter());
 394                 setters.put("InnerTube:clusterscale", new DoubleSetter(
 395                                 Reflection.findMethod(InnerTube.class, "setClusterScale", double.class)));
 396                 setters.put("InnerTube:clusterrotation", new DoubleSetter(
 397                                 Reflection.findMethod(InnerTube.class, "setClusterRotation", double.class),
 398                                 Math.PI / 180.0));
 399
 400                 // RadiusRingComponent
 401
 402                 // Bulkhead
 403                 setters.put("RadiusRingComponent:innerradius", new DoubleSetter(
 404                                 Reflection.findMethod(RadiusRingComponent.class, "setInnerRadius", double.class)));
 405                 setters.put("Bulkhead:outerradius", new DoubleSetter(
 406                                 Reflection.findMethod(Bulkhead.class, "setOuterRadius", double.class),
 407                                 "auto",
 408                                 Reflection.findMethod(Bulkhead.class, "setOuterRadiusAutomatic", boolean.class)));
 409
 410                 // CenteringRing
 411                 setters.put("CenteringRing:innerradius", new DoubleSetter(
 412                                 Reflection.findMethod(CenteringRing.class, "setInnerRadius", double.class),
 413                                 "auto",
 414                                 Reflection.findMethod(CenteringRing.class, "setInnerRadiusAutomatic", boolean.class)));
 415                 setters.put("CenteringRing:outerradius", new DoubleSetter(
 416                                 Reflection.findMethod(CenteringRing.class, "setOuterRadius", double.class),
 417                                 "auto",
 418                                 Reflection.findMethod(CenteringRing.class, "setOuterRadiusAutomatic", boolean.class)));
 419
 420
 421                 // MassObject
 422                 setters.put("MassObject:packedlength", new DoubleSetter(
 423                                 Reflection.findMethod(MassObject.class, "setLength", double.class)));
 424                 setters.put("MassObject:packedradius", new DoubleSetter(
 425                                 Reflection.findMethod(MassObject.class, "setRadius", double.class)));
 426                 setters.put("MassObject:radialposition", new DoubleSetter(
 427                                 Reflection.findMethod(MassObject.class, "setRadialPosition", double.class)));
 428                 setters.put("MassObject:radialdirection", new DoubleSetter(
 429                                 Reflection.findMethod(MassObject.class, "setRadialDirection", double.class),
 430                                 Math.PI / 180.0));
 431
 432                 // MassComponent
 433                 setters.put("MassComponent:mass", new DoubleSetter(
 434                                 Reflection.findMethod(MassComponent.class, "setComponentMass", double.class)));
 435
 436                 // ShockCord
 437                 setters.put("ShockCord:cordlength", new DoubleSetter(
 438                                 Reflection.findMethod(ShockCord.class, "setCordLength", double.class)));
 439                 setters.put("ShockCord:material", new MaterialSetter(
 440                                 Reflection.findMethod(ShockCord.class, "setMaterial", Material.class),
 441                                 Material.Type.LINE));
 442
 443                 // RecoveryDevice
 444                 setters.put("RecoveryDevice:cd", new DoubleSetter(
 445                                 Reflection.findMethod(RecoveryDevice.class, "setCD", double.class),
 446                                 "auto",
 447                                 Reflection.findMethod(RecoveryDevice.class, "setCDAutomatic", boolean.class)));
 448                 setters.put("RecoveryDevice:deployevent", new EnumSetter<RecoveryDevice.DeployEvent>(
 449                                 Reflection.findMethod(RecoveryDevice.class, "setDeployEvent", RecoveryDevice.DeployEvent.class),
 450                                 RecoveryDevice.DeployEvent.class));
 451                 setters.put("RecoveryDevice:deployaltitude", new DoubleSetter(
 452                                 Reflection.findMethod(RecoveryDevice.class, "setDeployAltitude", double.class)));
 453                 setters.put("RecoveryDevice:deploydelay", new DoubleSetter(
 454                                 Reflection.findMethod(RecoveryDevice.class, "setDeployDelay", double.class)));
 455                 setters.put("RecoveryDevice:material", new MaterialSetter(
 456                                 Reflection.findMethod(RecoveryDevice.class, "setMaterial", Material.class),
 457                                 Material.Type.SURFACE));
 458
 459                 // Parachute
 460                 setters.put("Parachute:diameter", new DoubleSetter(
 461                                 Reflection.findMethod(Parachute.class, "setDiameter", double.class)));
 462                 setters.put("Parachute:linecount", new IntSetter(
 463                                 Reflection.findMethod(Parachute.class, "setLineCount", int.class)));
 464                 setters.put("Parachute:linelength", new DoubleSetter(
 465                                 Reflection.findMethod(Parachute.class, "setLineLength", double.class)));
 466                 setters.put("Parachute:linematerial", new MaterialSetter(
 467                                 Reflection.findMethod(Parachute.class, "setLineMaterial", Material.class),
 468                                 Material.Type.LINE));
 469
 470                 // Streamer
 471                 setters.put("Streamer:striplength", new DoubleSetter(
 472                                 Reflection.findMethod(Streamer.class, "setStripLength", double.class)));
 473                 setters.put("Streamer:stripwidth", new DoubleSetter(
 474                                 Reflection.findMethod(Streamer.class, "setStripWidth", double.class)));
 475
 476                 // Rocket
 477                 // <motorconfiguration> handled by separate handler
 478                 setters.put("Rocket:referencetype", new EnumSetter<ReferenceType>(
 479                                 Reflection.findMethod(Rocket.class, "setReferenceType", ReferenceType.class),
 480                                 ReferenceType.class));
 481                 setters.put("Rocket:customreference", new DoubleSetter(
 482                                 Reflection.findMethod(Rocket.class, "setCustomReferenceLength", double.class)));
 483                 setters.put("Rocket:designer", new StringSetter(
 484                                 Reflection.findMethod(Rocket.class, "setDesigner", String.class)));
 485                 setters.put("Rocket:revision", new StringSetter(
 486                                 Reflection.findMethod(Rocket.class, "setRevision", String.class)));
 487
 488                 // Stage
 489                 setters.put("Stage:separationevent", new EnumSetter<Stage.SeparationEvent>(
 490                                 Reflection.findMethod(Stage.class, "setSeparationEvent", Stage.SeparationEvent.class),
 491                                 Stage.SeparationEvent.class));
 492                 setters.put("Stage:separationdelay", new DoubleSetter(
 493                                 Reflection.findMethod(Stage.class, "setSeparationDelay", double.class)));
 494
 495         }
 496
 497
 498         /**
 499          * Search for a enum value that has the corresponding name as an XML value.  The current
 500          * conversion from enum name to XML value is to lowercase the name and strip out all
 501          * underscore characters.  This method returns a match to these criteria, or <code>null</code>
 502          * if no such enum exists.
 503          *
 504          * @param <T>                   then enum type.
 505          * @param name                  the XML value, null ok.
 506          * @param enumClass             the class of the enum.
 507          * @return                              the found enum value, or <code>null</code>.
 508          */
 509         public static <T extends Enum<T>> Enum<T> findEnum(String name,
 510                         Class<? extends Enum<T>> enumClass) {
 511
 512                 if (name == null)
 513                         return null;
 514                 name = name.trim();
 515                 for (Enum<T> e : enumClass.getEnumConstants()) {
 516                         if (e.name().toLowerCase(Locale.ENGLISH).replace("_", "").equals(name)) {
 517                                 return e;
 518                         }
 519                 }
 520                 return null;
 521         }
 522
 523
 524         /**
 525          * Convert a string to a double including formatting specifications of the OpenRocket
 526          * file format.  This accepts all formatting that is valid for
 527          * <code>Double.parseDouble(s)</code> and a few others as well ("Inf", "-Inf").
 528          *
 529          * @param s             the string to parse.
 530          * @return              the numerical value.
 531          * @throws NumberFormatException        the the string cannot be parsed.
 532          */
 533         public static double stringToDouble(String s) throws NumberFormatException {
 534                 if (s == null)
 535                         throw new NumberFormatException("null string");
 536                 if (s.equalsIgnoreCase("NaN"))
 537                         return Double.NaN;
 538                 if (s.equalsIgnoreCase("Inf"))
 539                         return Double.POSITIVE_INFINITY;
 540                 if (s.equalsIgnoreCase("-Inf"))
 541                         return Double.NEGATIVE_INFINITY;
 542                 return Double.parseDouble(s);
 543         }
 544 }
 545
 546
 547
 548
 549
 550 /**
 551  * The starting point of the handlers.  Accepts a single <openrocket> element and hands
 552  * the contents to be read by a OpenRocketContentsHandler.
 553  */
 554 class OpenRocketHandler extends AbstractElementHandler {
 555         private final DocumentLoadingContext context;
 556         private OpenRocketContentHandler handler = null;
 557
 558         public OpenRocketHandler(DocumentLoadingContext context) {
 559                 this.context = context;
 560         }
 561
 562         /**
 563          * Return the OpenRocketDocument read from the file, or <code>null</code> if a document
 564          * has not been read yet.
 565          *
 566          * @return      the document read, or null.
 567          */
 568         public OpenRocketDocument getDocument() {
 569                 return handler.getDocument();
 570         }
 571
 572         @Override
 573         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 574                         WarningSet warnings) {
 575
 576                 // Check for unknown elements
 577                 if (!element.equals("openrocket")) {
 578                         warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 579                         return null;
 580                 }
 581
 582                 // Check for first call
 583                 if (handler != null) {
 584                         warnings.add(Warning.fromString("Multiple document elements found, ignoring later "
 585                                         + "ones."));
 586                         return null;
 587                 }
 588
 589                 // Check version number
 590                 String version = null;
 591                 String creator = attributes.remove("creator");
 592                 String docVersion = attributes.remove("version");
 593                 for (String v : DocumentConfig.SUPPORTED_VERSIONS) {
 594                         if (v.equals(docVersion)) {
 595                                 version = v;
 596                                 break;
 597                         }
 598                 }
 599                 if (version == null) {
 600                         String str = "Unsupported document version";
 601                         if (docVersion != null)
 602                                 str += " " + docVersion;
 603                         if (creator != null && !creator.trim().equals(""))
 604                                 str += " (written using '" + creator.trim() + "')";
 605                         str += ", attempting to read file anyway.";
 606                         warnings.add(str);
 607                 }
 608
 609                 context.setFileVersion(parseVersion(docVersion));
 610
 611                 handler = new OpenRocketContentHandler(context);
 612                 return handler;
 613         }
 614
 615
 616         private int parseVersion(String docVersion) {
 617                 if (docVersion == null)
 618                         return 0;
 619
 620                 Matcher m = Pattern.compile("^([0-9]+)\\.([0-9]+)$").matcher(docVersion);
 621                 if (m.matches()) {
 622                         int major = Integer.parseInt(m.group(1));
 623                         int minor = Integer.parseInt(m.group(2));
 624                         return major * DocumentConfig.FILE_VERSION_DIVISOR + minor;
 625                 } else {
 626                         return 0;
 627                 }
 628         }
 629
 630         @Override
 631         public void closeElement(String element, HashMap<String, String> attributes,
 632                         String content, WarningSet warnings) throws SAXException {
 633                 attributes.remove("version");
 634                 attributes.remove("creator");
 635                 super.closeElement(element, attributes, content, warnings);
 636         }
 637
 638
 639 }
 640
 641
 642 /**
 643  * Handles the content of the <openrocket> tag.
 644  */
 645 class OpenRocketContentHandler extends AbstractElementHandler {
 646         private final DocumentLoadingContext context;
 647         private final OpenRocketDocument doc;
 648         private final Rocket rocket;
 649
 650         private boolean rocketDefined = false;
 651         private boolean simulationsDefined = false;
 652         private boolean datatypesDefined = false;
 653
 654         public OpenRocketContentHandler(DocumentLoadingContext context) {
 655                 this.context = context;
 656                 this.rocket = new Rocket();
 657                 this.doc = new OpenRocketDocument(rocket);
 658         }
 659
 660         public OpenRocketDocument getDocument() {
 661                 if (!rocketDefined)
 662                         return null;
 663                 return doc;
 664         }
 665
 666         @Override
 667         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 668                         WarningSet warnings) {
 669
 670                 if (element.equals("rocket")) {
 671                         if (rocketDefined) {
 672                                 warnings.add(Warning
 673                                                 .fromString("Multiple rocket designs within one document, "
 674                                                                 + "ignoring later ones."));
 675                                 return null;
 676                         }
 677                         rocketDefined = true;
 678                         return new ComponentParameterHandler(rocket, context);
 679                 }
 680
 681                 if (element.equals("datatypes")){
 682                         if (datatypesDefined) {
 683                                 warnings.add(Warning.fromString("Multiple datatype blocks. Ignoring later ones."));
 684                                 return null;
 685                         }
 686                         datatypesDefined = true;
 687                         return new DatatypeHandler(this, context);
 688                 }
 689
 690                 if (element.equals("simulations")) {
 691                         if (simulationsDefined) {
 692                                 warnings.add(Warning
 693                                                 .fromString("Multiple simulation definitions within one document, "
 694                                                                 + "ignoring later ones."));
 695                                 return null;
 696                         }
 697                         simulationsDefined = true;
 698                         return new SimulationsHandler(doc, context);
 699                 }
 700
 701                 warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 702
 703                 return null;
 704         }
 705 }
 706
 707
 708
 709 class DatatypeHandler extends AbstractElementHandler {
 710         private final DocumentLoadingContext context;
 711         private final OpenRocketContentHandler contentHandler;
 712         private CustomExpressionHandler customExpressionHandler = null;
 713
 714         public DatatypeHandler(OpenRocketContentHandler contentHandler, DocumentLoadingContext context) {
 715                 this.context = context;
 716                 this.contentHandler = contentHandler;
 717         }
 718
 719         @Override
 720         public ElementHandler openElement(String element,
 721                         HashMap<String, String> attributes, WarningSet warnings)
 722                         throws SAXException {
 723
 724                 if (element.equals("type") && attributes.get("source").equals("customexpression") ){
 725                         customExpressionHandler = new CustomExpressionHandler(contentHandler, context);
 726                         return customExpressionHandler;
 727                 }
 728                 else {
 729                         warnings.add(Warning.fromString("Unknown datatype " + element + " defined, ignoring"));
 730                 }
 731
 732                 return this;
 733         }
 734
 735         @Override
 736         public void closeElement(String element, HashMap<String, String> attributes, String content, WarningSet warnings) throws SAXException {
 737                 attributes.remove("source");
 738                 super.closeElement(element, attributes, content, warnings);
 739
 740                 if (customExpressionHandler != null){
 741                         contentHandler.getDocument().addCustomExpression(customExpressionHandler.currentExpression);
 742                 }
 743
 744         }
 745
 746 }
 747
 748 class CustomExpressionHandler extends AbstractElementHandler{
 749         private final DocumentLoadingContext context;
 750         private final OpenRocketContentHandler contentHandler;
 751         public CustomExpression currentExpression;
 752
 753         public CustomExpressionHandler(OpenRocketContentHandler contentHandler, DocumentLoadingContext context) {
 754                 this.context = context;
 755                 this.contentHandler = contentHandler;
 756                 currentExpression = new CustomExpression(contentHandler.getDocument());
 757
 758         }
 759
 760         @Override
 761         public ElementHandler openElement(String element,
 762                         HashMap<String, String> attributes, WarningSet warnings)
 763                         throws SAXException {
 764
 765                 return this;
 766         }
 767
 768         @Override
 769         public void closeElement(String element, HashMap<String, String> attributes,
 770                 String content, WarningSet warnings) throws SAXException {
 771
 772                 if (element.equals("type")) {
 773                         contentHandler.getDocument().addCustomExpression(currentExpression);
 774                 }
 775
 776                 if (element.equals("name")) {
 777                         currentExpression.setName(content);
 778                 }
 779
 780                 if (element.equals("symbol")) {
 781                         currentExpression.setSymbol(content);
 782                 }
 783
 784                 if (element.equals("unit") && attributes.get("unittype").equals("auto")) {
 785                         currentExpression.setUnit(content);
 786                 }
 787
 788                 if (element.equals("expression")){
 789                         currentExpression.setExpression(content);
 790                 }
 791         }
 792 }
 793
 794 /**
 795  * A handler that creates components from the corresponding elements.  The control of the
 796  * contents is passed on to ComponentParameterHandler.
 797  */
 798 class ComponentHandler extends AbstractElementHandler {
 799         private final DocumentLoadingContext context;
 800         private final RocketComponent parent;
 801
 802         public ComponentHandler(RocketComponent parent, DocumentLoadingContext context) {
 803                 this.parent = parent;
 804                 this.context = context;
 805         }
 806
 807         @Override
 808         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 809                         WarningSet warnings) {
 810
 811                 // Attempt to construct new component
 812                 Constructor<? extends RocketComponent> constructor = DocumentConfig.constructors
 813                                 .get(element);
 814                 if (constructor == null) {
 815                         warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 816                         return null;
 817                 }
 818
 819                 RocketComponent c;
 820                 try {
 821                         c = constructor.newInstance();
 822                 } catch (InstantiationException e) {
 823                         throw new BugException("Error constructing component.", e);
 824                 } catch (IllegalAccessException e) {
 825                         throw new BugException("Error constructing component.", e);
 826                 } catch (InvocationTargetException e) {
 827                         throw Reflection.handleWrappedException(e);
 828                 }
 829
 830                 parent.addChild(c);
 831
 832                 return new ComponentParameterHandler(c, context);
 833         }
 834 }
 835
 836
 837 /**
 838  * A handler that populates the parameters of a previously constructed rocket component.
 839  * This uses the setters, or delegates the handling to another handler for specific
 840  * elements.
 841  */
 842 class ComponentParameterHandler extends AbstractElementHandler {
 843         private final DocumentLoadingContext context;
 844         private final RocketComponent component;
 845
 846         public ComponentParameterHandler(RocketComponent c, DocumentLoadingContext context) {
 847                 this.component = c;
 848                 this.context = context;
 849         }
 850
 851         @Override
 852         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 853                         WarningSet warnings) {
 854
 855                 // Check for specific elements that contain other elements
 856                 if (element.equals("subcomponents")) {
 857                         return new ComponentHandler(component, context);
 858                 }
 859                 if (element.equals("motormount")) {
 860                         if (!(component instanceof MotorMount)) {
 861                                 warnings.add(Warning.fromString("Illegal component defined as motor mount."));
 862                                 return null;
 863                         }
 864                         return new MotorMountHandler((MotorMount) component, context);
 865                 }
 866                 if (element.equals("finpoints")) {
 867                         if (!(component instanceof FreeformFinSet)) {
 868                                 warnings.add(Warning.fromString("Illegal component defined for fin points."));
 869                                 return null;
 870                         }
 871                         return new FinSetPointHandler((FreeformFinSet) component, context);
 872                 }
 873                 if (element.equals("motorconfiguration")) {
 874                         if (!(component instanceof Rocket)) {
 875                                 warnings.add(Warning.fromString("Illegal component defined for motor configuration."));
 876                                 return null;
 877                         }
 878                         return new MotorConfigurationHandler((Rocket) component, context);
 879                 }
 880
 881
 882                 return PlainTextHandler.INSTANCE;
 883         }
 884
 885         @Override
 886         public void closeElement(String element, HashMap<String, String> attributes,
 887                         String content, WarningSet warnings) {
 888
 889                 if (element.equals("subcomponents") || element.equals("motormount") ||
 890                                 element.equals("finpoints") || element.equals("motorconfiguration")) {
 891                         return;
 892                 }
 893
 894                 // Search for the correct setter class
 895
 896                 Class<?> c;
 897                 for (c = component.getClass(); c != null; c = c.getSuperclass()) {
 898                         String setterKey = c.getSimpleName() + ":" + element;
 899                         Setter s = DocumentConfig.setters.get(setterKey);
 900                         if (s != null) {
 901                                 // Setter found
 902                                 s.set(component, content, attributes, warnings);
 903                                 break;
 904                         }
 905                         if (DocumentConfig.setters.containsKey(setterKey)) {
 906                                 // Key exists but is null -> invalid parameter
 907                                 c = null;
 908                                 break;
 909                         }
 910                 }
 911                 if (c == null) {
 912                         warnings.add(Warning.fromString("Unknown parameter type '" + element + "' for "
 913                                         + component.getComponentName() + ", ignoring."));
 914                 }
 915         }
 916 }
 917
 918
 919 /**
 920  * A handler that reads the <point> specifications within the freeformfinset's
 921  * <finpoints> elements.
 922  */
 923 class FinSetPointHandler extends AbstractElementHandler {
 924         @SuppressWarnings("unused")
 925         private final DocumentLoadingContext context;
 926         private final FreeformFinSet finset;
 927         private final ArrayList<Coordinate> coordinates = new ArrayList<Coordinate>();
 928
 929         public FinSetPointHandler(FreeformFinSet finset, DocumentLoadingContext context) {
 930                 this.finset = finset;
 931                 this.context = context;
 932         }
 933
 934         @Override
 935         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 936                         WarningSet warnings) {
 937                 return PlainTextHandler.INSTANCE;
 938         }
 939
 940
 941         @Override
 942         public void closeElement(String element, HashMap<String, String> attributes,
 943                         String content, WarningSet warnings) throws SAXException {
 944
 945                 String strx = attributes.remove("x");
 946                 String stry = attributes.remove("y");
 947                 if (strx == null || stry == null) {
 948                         warnings.add(Warning.fromString("Illegal fin points specification, ignoring."));
 949                         return;
 950                 }
 951                 try {
 952                         double x = Double.parseDouble(strx);
 953                         double y = Double.parseDouble(stry);
 954                         coordinates.add(new Coordinate(x, y));
 955                 } catch (NumberFormatException e) {
 956                         warnings.add(Warning.fromString("Illegal fin points specification, ignoring."));
 957                         return;
 958                 }
 959
 960                 super.closeElement(element, attributes, content, warnings);
 961         }
 962
 963         @Override
 964         public void endHandler(String element, HashMap<String, String> attributes,
 965                         String content, WarningSet warnings) {
 966                 try {
 967                         finset.setPoints(coordinates.toArray(new Coordinate[0]));
 968                 } catch (IllegalFinPointException e) {
 969                         warnings.add(Warning.fromString("Freeform fin set point definitions illegal, ignoring."));
 970                 }
 971         }
 972 }
 973
 974
 975 class MotorMountHandler extends AbstractElementHandler {
 976         private final DocumentLoadingContext context;
 977         private final MotorMount mount;
 978         private MotorHandler motorHandler;
 979
 980         public MotorMountHandler(MotorMount mount, DocumentLoadingContext context) {
 981                 this.mount = mount;
 982                 this.context = context;
 983                 mount.setMotorMount(true);
 984         }
 985
 986         @Override
 987         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 988                         WarningSet warnings) {
 989
 990                 if (element.equals("motor")) {
 991                         motorHandler = new MotorHandler(context);
 992                         return motorHandler;
 993                 }
 994
 995                 if (element.equals("ignitionevent") ||
 996                                 element.equals("ignitiondelay") ||
 997                                 element.equals("overhang")) {
 998                         return PlainTextHandler.INSTANCE;
 999                 }
1000
1001                 warnings.add(Warning.fromString("Unknown element '" + element + "' encountered, ignoring."));
1002                 return null;
1003         }
1004
1005
1006
1007         @Override
1008         public void closeElement(String element, HashMap<String, String> attributes,
1009                         String content, WarningSet warnings) throws SAXException {
1010
1011                 if (element.equals("motor")) {
1012                         String id = attributes.get("configid");
1013                         if (id == null || id.equals("")) {
1014                                 warnings.add(Warning.fromString("Illegal motor specification, ignoring."));
1015                                 return;
1016                         }
1017
1018                         Motor motor = motorHandler.getMotor(warnings);
1019                         mount.setMotor(id, motor);
1020                         mount.setMotorDelay(id, motorHandler.getDelay(warnings));
1021                         return;
1022                 }
1023
1024                 if (element.equals("ignitionevent")) {
1025                         MotorMount.IgnitionEvent event = null;
1026                         for (MotorMount.IgnitionEvent e : MotorMount.IgnitionEvent.values()) {
1027                                 if (e.name().toLowerCase(Locale.ENGLISH).replaceAll("_", "").equals(content)) {
1028                                         event = e;
1029                                         break;
1030                                 }
1031                         }
1032                         if (event == null) {
1033                                 warnings.add(Warning.fromString("Unknown ignition event type '" + content + "', ignoring."));
1034                                 return;
1035                         }
1036                         mount.setIgnitionEvent(event);
1037                         return;
1038                 }
1039
1040                 if (element.equals("ignitiondelay")) {
1041                         double d;
1042                         try {
1043                                 d = Double.parseDouble(content);
1044                         } catch (NumberFormatException nfe) {
1045                                 warnings.add(Warning.fromString("Illegal ignition delay specified, ignoring."));
1046                                 return;
1047                         }
1048                         mount.setIgnitionDelay(d);
1049                         return;
1050                 }
1051
1052                 if (element.equals("overhang")) {
1053                         double d;
1054                         try {
1055                                 d = Double.parseDouble(content);
1056                         } catch (NumberFormatException nfe) {
1057                                 warnings.add(Warning.fromString("Illegal overhang specified, ignoring."));
1058                                 return;
1059                         }
1060                         mount.setMotorOverhang(d);
1061                         return;
1062                 }
1063
1064                 super.closeElement(element, attributes, content, warnings);
1065         }
1066 }
1067
1068
1069
1070
1071 class MotorConfigurationHandler extends AbstractElementHandler {
1072         @SuppressWarnings("unused")
1073         private final DocumentLoadingContext context;
1074         private final Rocket rocket;
1075         private String name = null;
1076         private boolean inNameElement = false;
1077
1078         public MotorConfigurationHandler(Rocket rocket, DocumentLoadingContext context) {
1079                 this.rocket = rocket;
1080                 this.context = context;
1081         }
1082
1083         @Override
1084         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1085                         WarningSet warnings) {
1086
1087                 if (inNameElement || !element.equals("name")) {
1088                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1089                         return null;
1090                 }
1091                 inNameElement = true;
1092
1093                 return PlainTextHandler.INSTANCE;
1094         }
1095
1096         @Override
1097         public void closeElement(String element, HashMap<String, String> attributes,
1098                         String content, WarningSet warnings) {
1099                 name = content;
1100         }
1101
1102         @Override
1103         public void endHandler(String element, HashMap<String, String> attributes,
1104                         String content, WarningSet warnings) throws SAXException {
1105
1106                 String configid = attributes.remove("configid");
1107                 if (configid == null || configid.equals("")) {
1108                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1109                         return;
1110                 }
1111
1112                 if (!rocket.addMotorConfigurationID(configid)) {
1113                         warnings.add("Duplicate motor configuration ID used.");
1114                         return;
1115                 }
1116
1117                 if (name != null && name.trim().length() > 0) {
1118                         rocket.setMotorConfigurationName(configid, name);
1119                 }
1120
1121                 if ("true".equals(attributes.remove("default"))) {
1122                         rocket.getDefaultConfiguration().setMotorConfigurationID(configid);
1123                 }
1124
1125                 super.closeElement(element, attributes, content, warnings);
1126         }
1127 }
1128
1129
1130 class MotorHandler extends AbstractElementHandler {
1131         /** File version where latest digest format was introduced */
1132         private static final int MOTOR_DIGEST_VERSION = 104;
1133
1134         private final DocumentLoadingContext context;
1135         private Motor.Type type = null;
1136         private String manufacturer = null;
1137         private String designation = null;
1138         private String digest = null;
1139         private double diameter = Double.NaN;
1140         private double length = Double.NaN;
1141         private double delay = Double.NaN;
1142
1143         public MotorHandler(DocumentLoadingContext context) {
1144                 this.context = context;
1145         }
1146
1147
1148         @Override
1149         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1150                         WarningSet warnings) {
1151                 return PlainTextHandler.INSTANCE;
1152         }
1153
1154
1155         /**
1156          * Return the motor to use, or null.
1157          */
1158         public Motor getMotor(WarningSet warnings) {
1159                 return context.getMotorFinder().findMotor(type, manufacturer, designation, diameter, length, digest, warnings);
1160         }
1161
1162         /**
1163          * Return the delay to use for the motor.
1164          */
1165         public double getDelay(WarningSet warnings) {
1166                 if (Double.isNaN(delay)) {
1167                         warnings.add(Warning.fromString("Motor delay not specified, assuming no ejection charge."));
1168                         return Motor.PLUGGED;
1169                 }
1170                 return delay;
1171         }
1172
1173
1174         @Override
1175         public void closeElement(String element, HashMap<String, String> attributes,
1176                         String content, WarningSet warnings) throws SAXException {
1177
1178                 content = content.trim();
1179
1180                 if (element.equals("type")) {
1181
1182                         // Motor type
1183                         type = null;
1184                         for (Motor.Type t : Motor.Type.values()) {
1185                                 if (t.name().toLowerCase(Locale.ENGLISH).equals(content.trim())) {
1186                                         type = t;
1187                                         break;
1188                                 }
1189                         }
1190                         if (type == null) {
1191                                 warnings.add(Warning.fromString("Unknown motor type '" + content + "', ignoring."));
1192                         }
1193
1194                 } else if (element.equals("manufacturer")) {
1195
1196                         // Manufacturer
1197                         manufacturer = content.trim();
1198
1199                 } else if (element.equals("designation")) {
1200
1201                         // Designation
1202                         designation = content.trim();
1203
1204                 } else if (element.equals("digest")) {
1205
1206                         // Digest is used only for file versions saved using the same digest algorithm
1207                         if (context.getFileVersion() >= MOTOR_DIGEST_VERSION) {
1208                                 digest = content.trim();
1209                         }
1210
1211                 } else if (element.equals("diameter")) {
1212
1213                         // Diameter
1214                         diameter = Double.NaN;
1215                         try {
1216                                 diameter = Double.parseDouble(content.trim());
1217                         } catch (NumberFormatException e) {
1218                                 // Ignore
1219                         }
1220                         if (Double.isNaN(diameter)) {
1221                                 warnings.add(Warning.fromString("Illegal motor diameter specified, ignoring."));
1222                         }
1223
1224                 } else if (element.equals("length")) {
1225
1226                         // Length
1227                         length = Double.NaN;
1228                         try {
1229                                 length = Double.parseDouble(content.trim());
1230                         } catch (NumberFormatException ignore) {
1231                         }
1232
1233                         if (Double.isNaN(length)) {
1234                                 warnings.add(Warning.fromString("Illegal motor diameter specified, ignoring."));
1235                         }
1236
1237                 } else if (element.equals("delay")) {
1238
1239                         // Delay
1240                         delay = Double.NaN;
1241                         if (content.equals("none")) {
1242                                 delay = Motor.PLUGGED;
1243                         } else {
1244                                 try {
1245                                         delay = Double.parseDouble(content.trim());
1246                                 } catch (NumberFormatException ignore) {
1247                                 }
1248
1249                                 if (Double.isNaN(delay)) {
1250                                         warnings.add(Warning.fromString("Illegal motor delay specified, ignoring."));
1251                                 }
1252
1253                         }
1254
1255                 } else {
1256                         super.closeElement(element, attributes, content, warnings);
1257                 }
1258         }
1259
1260 }
1261
1262
1263
1264 class SimulationsHandler extends AbstractElementHandler {
1265         private final DocumentLoadingContext context;
1266         private final OpenRocketDocument doc;
1267         private SingleSimulationHandler handler;
1268
1269         public SimulationsHandler(OpenRocketDocument doc, DocumentLoadingContext context) {
1270                 this.doc = doc;
1271                 this.context = context;
1272         }
1273
1274         @Override
1275         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1276                         WarningSet warnings) {
1277
1278                 if (!element.equals("simulation")) {
1279                         warnings.add("Unknown element '" + element + "', ignoring.");
1280                         return null;
1281                 }
1282
1283                 handler = new SingleSimulationHandler(doc, context);
1284                 return handler;
1285         }
1286
1287         @Override
1288         public void closeElement(String element, HashMap<String, String> attributes,
1289                         String content, WarningSet warnings) throws SAXException {
1290                 attributes.remove("status");
1291                 super.closeElement(element, attributes, content, warnings);
1292         }
1293
1294
1295 }
1296
1297 class SingleSimulationHandler extends AbstractElementHandler {
1298
1299         private final DocumentLoadingContext context;
1300
1301         private final OpenRocketDocument doc;
1302
1303         private String name;
1304
1305         private SimulationConditionsHandler conditionHandler;
1306         private FlightDataHandler dataHandler;
1307
1308         private final List<String> listeners = new ArrayList<String>();
1309
1310         public SingleSimulationHandler(OpenRocketDocument doc, DocumentLoadingContext context) {
1311                 this.doc = doc;
1312                 this.context = context;
1313         }
1314
1315         public OpenRocketDocument getDocument(){
1316                 return doc;
1317         }
1318
1319         @Override
1320         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1321                         WarningSet warnings) {
1322
1323                 if (element.equals("name") || element.equals("simulator") ||
1324                                 element.equals("calculator") || element.equals("listener")) {
1325                         return PlainTextHandler.INSTANCE;
1326                 } else if (element.equals("conditions")) {
1327                         conditionHandler = new SimulationConditionsHandler(doc.getRocket(), context);
1328                         return conditionHandler;
1329                 } else if (element.equals("flightdata")) {
1330                         dataHandler = new FlightDataHandler(this, context);
1331                         return dataHandler;
1332                 } else {
1333                         warnings.add("Unknown element '" + element + "', ignoring.");
1334                         return null;
1335                 }
1336         }
1337
1338         @Override
1339         public void closeElement(String element, HashMap<String, String> attributes,
1340                         String content, WarningSet warnings) {
1341
1342                 if (element.equals("name")) {
1343                         name = content;
1344                 } else if (element.equals("simulator")) {
1345                         if (!content.trim().equals("RK4Simulator")) {
1346                                 warnings.add("Unknown simulator '" + content.trim() + "' specified, ignoring.");
1347                         }
1348                 } else if (element.equals("calculator")) {
1349                         if (!content.trim().equals("BarrowmanCalculator")) {
1350                                 warnings.add("Unknown calculator '" + content.trim() + "' specified, ignoring.");
1351                         }
1352                 } else if (element.equals("listener") && content.trim().length() > 0) {
1353                         listeners.add(content.trim());
1354                 }
1355
1356         }
1357
1358         @Override
1359         public void endHandler(String element, HashMap<String, String> attributes,
1360                         String content, WarningSet warnings) {
1361
1362                 String s = attributes.get("status");
1363                 Simulation.Status status = (Status) DocumentConfig.findEnum(s, Simulation.Status.class);
1364                 if (status == null) {
1365                         warnings.add("Simulation status unknown, assuming outdated.");
1366                         status = Simulation.Status.OUTDATED;
1367                 }
1368
1369                 SimulationOptions conditions;
1370                 if (conditionHandler != null) {
1371                         conditions = conditionHandler.getConditions();
1372                 } else {
1373                         warnings.add("Simulation conditions not defined, using defaults.");
1374                         conditions = new SimulationOptions(doc.getRocket());
1375                 }
1376
1377                 if (name == null)
1378                         name = "Simulation";
1379
1380                 FlightData data;
1381                 if (dataHandler == null)
1382                         data = null;
1383                 else
1384                         data = dataHandler.getFlightData();
1385
1386                 Simulation simulation = new Simulation(doc.getRocket(), status, name,
1387                                 conditions, listeners, data);
1388
1389                 doc.addSimulation(simulation);
1390         }
1391 }
1392
1393 class SimulationConditionsHandler extends AbstractElementHandler {
1394         private final DocumentLoadingContext context;
1395         private SimulationOptions conditions;
1396         private AtmosphereHandler atmosphereHandler;
1397
1398         public SimulationConditionsHandler(Rocket rocket, DocumentLoadingContext context) {
1399                 this.context = context;
1400                 conditions = new SimulationOptions(rocket);
1401                 // Set up default loading settings (which may differ from the new defaults)
1402                 conditions.setGeodeticComputation(GeodeticComputationStrategy.FLAT);
1403         }
1404
1405         public SimulationOptions getConditions() {
1406                 return conditions;
1407         }
1408
1409         @Override
1410         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1411                         WarningSet warnings) {
1412                 if (element.equals("atmosphere")) {
1413                         atmosphereHandler = new AtmosphereHandler(attributes.get("model"), context);
1414                         return atmosphereHandler;
1415                 }
1416                 return PlainTextHandler.INSTANCE;
1417         }
1418
1419         @Override
1420         public void closeElement(String element, HashMap<String, String> attributes,
1421                         String content, WarningSet warnings) {
1422
1423                 double d = Double.NaN;
1424                 try {
1425                         d = Double.parseDouble(content);
1426                 } catch (NumberFormatException ignore) {
1427                 }
1428
1429
1430                 if (element.equals("configid")) {
1431                         if (content.equals("")) {
1432                                 conditions.setMotorConfigurationID(null);
1433                         } else {
1434                                 conditions.setMotorConfigurationID(content);
1435                         }
1436                 } else if (element.equals("launchrodlength")) {
1437                         if (Double.isNaN(d)) {
1438                                 warnings.add("Illegal launch rod length defined, ignoring.");
1439                         } else {
1440                                 conditions.setLaunchRodLength(d);
1441                         }
1442                 } else if (element.equals("launchrodangle")) {
1443                         if (Double.isNaN(d)) {
1444                                 warnings.add("Illegal launch rod angle defined, ignoring.");
1445                         } else {
1446                                 conditions.setLaunchRodAngle(d * Math.PI / 180);
1447                         }
1448                 } else if (element.equals("launchroddirection")) {
1449                         if (Double.isNaN(d)) {
1450                                 warnings.add("Illegal launch rod direction defined, ignoring.");
1451                         } else {
1452                                 conditions.setLaunchRodDirection(d * Math.PI / 180);
1453                         }
1454                 } else if (element.equals("windaverage")) {
1455                         if (Double.isNaN(d)) {
1456                                 warnings.add("Illegal average windspeed defined, ignoring.");
1457                         } else {
1458                                 conditions.setWindSpeedAverage(d);
1459                         }
1460                 } else if (element.equals("windturbulence")) {
1461                         if (Double.isNaN(d)) {
1462                                 warnings.add("Illegal wind turbulence intensity defined, ignoring.");
1463                         } else {
1464                                 conditions.setWindTurbulenceIntensity(d);
1465                         }
1466                 } else if (element.equals("launchaltitude")) {
1467                         if (Double.isNaN(d)) {
1468                                 warnings.add("Illegal launch altitude defined, ignoring.");
1469                         } else {
1470                                 conditions.setLaunchAltitude(d);
1471                         }
1472                 } else if (element.equals("launchlatitude")) {
1473                         if (Double.isNaN(d)) {
1474                                 warnings.add("Illegal launch latitude defined, ignoring.");
1475                         } else {
1476                                 conditions.setLaunchLatitude(d);
1477                         }
1478                 } else if (element.equals("launchlongitude")) {
1479                         if (Double.isNaN(d)) {
1480                                 warnings.add("Illegal launch longitude.");
1481                         } else {
1482                                 conditions.setLaunchLongitude(d);
1483                         }
1484                 } else if (element.equals("geodeticmethod")) {
1485                         GeodeticComputationStrategy gcs =
1486                                         (GeodeticComputationStrategy) DocumentConfig.findEnum(content, GeodeticComputationStrategy.class);
1487                         if (gcs != null) {
1488                                 conditions.setGeodeticComputation(gcs);
1489                         } else {
1490                                 warnings.add("Unknown geodetic computation method '" + content + "'");
1491                         }
1492                 } else if (element.equals("atmosphere")) {
1493                         atmosphereHandler.storeSettings(conditions, warnings);
1494                 } else if (element.equals("timestep")) {
1495                         if (Double.isNaN(d)) {
1496                                 warnings.add("Illegal time step defined, ignoring.");
1497                         } else {
1498                                 conditions.setTimeStep(d);
1499                         }
1500                 }
1501         }
1502 }
1503
1504
1505 class AtmosphereHandler extends AbstractElementHandler {
1506         @SuppressWarnings("unused")
1507         private final DocumentLoadingContext context;
1508         private final String model;
1509         private double temperature = Double.NaN;
1510         private double pressure = Double.NaN;
1511
1512         public AtmosphereHandler(String model, DocumentLoadingContext context) {
1513                 this.model = model;
1514                 this.context = context;
1515         }
1516
1517         @Override
1518         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1519                         WarningSet warnings) {
1520                 return PlainTextHandler.INSTANCE;
1521         }
1522
1523         @Override
1524         public void closeElement(String element, HashMap<String, String> attributes,
1525                         String content, WarningSet warnings) throws SAXException {
1526
1527                 double d = Double.NaN;
1528                 try {
1529                         d = Double.parseDouble(content);
1530                 } catch (NumberFormatException ignore) {
1531                 }
1532
1533                 if (element.equals("basetemperature")) {
1534                         if (Double.isNaN(d)) {
1535                                 warnings.add("Illegal base temperature specified, ignoring.");
1536                         }
1537                         temperature = d;
1538                 } else if (element.equals("basepressure")) {
1539                         if (Double.isNaN(d)) {
1540                                 warnings.add("Illegal base pressure specified, ignoring.");
1541                         }
1542                         pressure = d;
1543                 } else {
1544                         super.closeElement(element, attributes, content, warnings);
1545                 }
1546         }
1547
1548
1549         public void storeSettings(SimulationOptions cond, WarningSet warnings) {
1550                 if (!Double.isNaN(pressure)) {
1551                         cond.setLaunchPressure(pressure);
1552                 }
1553                 if (!Double.isNaN(temperature)) {
1554                         cond.setLaunchTemperature(temperature);
1555                 }
1556
1557                 if ("isa".equals(model)) {
1558                         cond.setISAAtmosphere(true);
1559                 } else if ("extendedisa".equals(model)) {
1560                         cond.setISAAtmosphere(false);
1561                 } else {
1562                         cond.setISAAtmosphere(true);
1563                         warnings.add("Unknown atmospheric model, using ISA.");
1564                 }
1565         }
1566
1567 }
1568
1569
1570 class FlightDataHandler extends AbstractElementHandler {
1571         private final DocumentLoadingContext context;
1572
1573         private FlightDataBranchHandler dataHandler;
1574         private WarningSet warningSet = new WarningSet();
1575         private List<FlightDataBranch> branches = new ArrayList<FlightDataBranch>();
1576
1577         private SingleSimulationHandler simHandler;
1578         private FlightData data;
1579
1580
1581         public FlightDataHandler(SingleSimulationHandler simHandler, DocumentLoadingContext context) {
1582                 this.context = context;
1583                 this.simHandler = simHandler;
1584         }
1585
1586         public FlightData getFlightData() {
1587                 return data;
1588         }
1589
1590         @Override
1591         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1592                         WarningSet warnings) {
1593
1594                 if (element.equals("warning")) {
1595                         return PlainTextHandler.INSTANCE;
1596                 }
1597                 if (element.equals("databranch")) {
1598                         if (attributes.get("name") == null || attributes.get("types") == null) {
1599                                 warnings.add("Illegal flight data definition, ignoring.");
1600                                 return null;
1601                         }
1602                         dataHandler = new FlightDataBranchHandler(      attributes.get("name"),
1603                                                                                                                 attributes.get("types"),
1604                                                                                                                 simHandler, context);
1605                         return dataHandler;
1606                 }
1607
1608                 warnings.add("Unknown element '" + element + "' encountered, ignoring.");
1609                 return null;
1610         }
1611
1612
1613         @Override
1614         public void closeElement(String element, HashMap<String, String> attributes,
1615                         String content, WarningSet warnings) {
1616
1617                 if (element.equals("databranch")) {
1618                         FlightDataBranch branch = dataHandler.getBranch();
1619                         if (branch.getLength() > 0) {
1620                                 branches.add(branch);
1621                         }
1622                 } else if (element.equals("warning")) {
1623                         warningSet.add(Warning.fromString(content));
1624                 }
1625         }
1626
1627
1628         @Override
1629         public void endHandler(String element, HashMap<String, String> attributes,
1630                         String content, WarningSet warnings) {
1631
1632                 if (branches.size() > 0) {
1633                         data = new FlightData(branches.toArray(new FlightDataBranch[0]));
1634                 } else {
1635                         double maxAltitude = Double.NaN;
1636                         double maxVelocity = Double.NaN;
1637                         double maxAcceleration = Double.NaN;
1638                         double maxMach = Double.NaN;
1639                         double timeToApogee = Double.NaN;
1640                         double flightTime = Double.NaN;
1641                         double groundHitVelocity = Double.NaN;
1642                         double launchRodVelocity = Double.NaN;
1643                         double deploymentVelocity = Double.NaN;
1644
1645                         try {
1646                                 maxAltitude = DocumentConfig.stringToDouble(attributes.get("maxaltitude"));
1647                         } catch (NumberFormatException ignore) {
1648                         }
1649                         try {
1650                                 maxVelocity = DocumentConfig.stringToDouble(attributes.get("maxvelocity"));
1651                         } catch (NumberFormatException ignore) {
1652                         }
1653                         try {
1654                                 maxAcceleration = DocumentConfig.stringToDouble(attributes.get("maxacceleration"));
1655                         } catch (NumberFormatException ignore) {
1656                         }
1657                         try {
1658                                 maxMach = DocumentConfig.stringToDouble(attributes.get("maxmach"));
1659                         } catch (NumberFormatException ignore) {
1660                         }
1661                         try {
1662                                 timeToApogee = DocumentConfig.stringToDouble(attributes.get("timetoapogee"));
1663                         } catch (NumberFormatException ignore) {
1664                         }
1665                         try {
1666                                 flightTime = DocumentConfig.stringToDouble(attributes.get("flighttime"));
1667                         } catch (NumberFormatException ignore) {
1668                         }
1669                         try {
1670                                 groundHitVelocity =
1671                                                 DocumentConfig.stringToDouble(attributes.get("groundhitvelocity"));
1672                         } catch (NumberFormatException ignore) {
1673                         }
1674                         try {
1675                                 launchRodVelocity = DocumentConfig.stringToDouble(attributes.get("launchrodvelocity"));
1676                         } catch (NumberFormatException ignore) {
1677                         }
1678                         try {
1679                                 deploymentVelocity = DocumentConfig.stringToDouble(attributes.get("deploymentvelocity"));
1680                         } catch (NumberFormatException ignore) {
1681                         }
1682
1683                         data = new FlightData(maxAltitude, maxVelocity, maxAcceleration, maxMach,
1684                                         timeToApogee, flightTime, groundHitVelocity, launchRodVelocity, deploymentVelocity);
1685                 }
1686
1687                 data.getWarningSet().addAll(warningSet);
1688                 data.immute();
1689         }
1690
1691
1692 }
1693
1694
1695 class FlightDataBranchHandler extends AbstractElementHandler {
1696         @SuppressWarnings("unused")
1697         private final DocumentLoadingContext context;
1698         private final FlightDataType[] types;
1699         private final FlightDataBranch branch;
1700
1701         private static final LogHelper log = Application.getLogger();
1702         private final SingleSimulationHandler simHandler;
1703
1704         public FlightDataBranchHandler(String name, String typeList, SingleSimulationHandler simHandler, DocumentLoadingContext context) {
1705                 this.simHandler = simHandler;
1706                 this.context = context;
1707                 String[] split = typeList.split(",");
1708                 types = new FlightDataType[split.length];
1709                 for (int i = 0; i < split.length; i++) {
1710                         String typeName = split[i];
1711                         FlightDataType matching = findFlightDataType(typeName);
1712                         types[i] = matching;
1713                         //types[i] = FlightDataType.getType(typeName, matching.getSymbol(), matching.getUnitGroup());
1714                 }
1715
1716                 // TODO: LOW: May throw an IllegalArgumentException
1717                 branch = new FlightDataBranch(name, types);
1718         }
1719
1720         // Find the full flight data type given name only
1721         // Note: this way of doing it requires that custom expressions always come before flight data in the file,
1722         // not the nicest but this is always the case anyway.
1723         private FlightDataType findFlightDataType(String name){
1724
1725         // Kevins version with lookup by key. Not using right now
1726                 /*
1727                 if ( key != null ) {
1728                         for (FlightDataType t : FlightDataType.ALL_TYPES){
1729                                 if (t.getKey().equals(key) ){
1730                                         return t;
1731                                 }
1732                         }
1733                 }
1734                 */
1735
1736                 // Look in built in types
1737                 for (FlightDataType t : FlightDataType.ALL_TYPES){
1738                         if (t.getName().equals(name) ){
1739                                 return t;
1740                         }
1741                 }
1742
1743                 // Look in custom expressions
1744                 for (CustomExpression exp : simHandler.getDocument().getCustomExpressions()){
1745                         if (exp.getName().equals(name) ){
1746                                 return exp.getType();
1747                         }
1748                 }
1749
1750                 log.warn("Could not find the flight data type '"+name+"' used in the XML file. Substituted type with unknown symbol and units.");
1751                 return FlightDataType.getType(name, "Unknown", UnitGroup.UNITS_NONE);
1752         }
1753
1754         public FlightDataBranch getBranch() {
1755                 branch.immute();
1756                 return branch;
1757         }
1758
1759         @Override
1760         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1761                         WarningSet warnings) {
1762
1763                 if (element.equals("datapoint"))
1764                         return PlainTextHandler.INSTANCE;
1765                 if (element.equals("event"))
1766                         return PlainTextHandler.INSTANCE;
1767
1768                 warnings.add("Unknown element '" + element + "' encountered, ignoring.");
1769                 return null;
1770         }
1771
1772
1773         @Override
1774         public void closeElement(String element, HashMap<String, String> attributes,
1775                         String content, WarningSet warnings) {
1776
1777                 if (element.equals("event")) {
1778                         double time;
1779                         FlightEvent.Type type;
1780
1781                         try {
1782                                 time = DocumentConfig.stringToDouble(attributes.get("time"));
1783                         } catch (NumberFormatException e) {
1784                                 warnings.add("Illegal event specification, ignoring.");
1785                                 return;
1786                         }
1787
1788                         type = (Type) DocumentConfig.findEnum(attributes.get("type"), FlightEvent.Type.class);
1789                         if (type == null) {
1790                                 warnings.add("Illegal event specification, ignoring.");
1791                                 return;
1792                         }
1793
1794                         branch.addEvent(new FlightEvent(type, time));
1795                         return;
1796                 }
1797
1798                 if (!element.equals("datapoint")) {
1799                         warnings.add("Unknown element '" + element + "' encountered, ignoring.");
1800                         return;
1801                 }
1802
1803                 // element == "datapoint"
1804
1805
1806                 // Check line format
1807                 String[] split = content.split(",");
1808                 if (split.length != types.length) {
1809                         warnings.add("Data point did not contain correct amount of values, ignoring point.");
1810                         return;
1811                 }
1812
1813                 // Parse the doubles
1814                 double[] values = new double[split.length];
1815                 for (int i = 0; i < values.length; i++) {
1816                         try {
1817                                 values[i] = DocumentConfig.stringToDouble(split[i]);
1818                         } catch (NumberFormatException e) {
1819                                 warnings.add("Data point format error, ignoring point.");
1820                                 return;
1821                         }
1822                 }
1823
1824                 // Add point to branch
1825                 branch.addPoint();
1826                 for (int i = 0; i < types.length; i++) {
1827                         branch.setValue(types[i], values[i]);
1828                 }
1829         }
1830 }
1831
1832
1833
1834
1835
1836 /////////////////    Setters implementation
1837
1838
1839 ////  Interface
1840 interface Setter {
1841         /**
1842          * Set the specified value to the given component.
1843          *
1844          * @param component             the component to which to set.
1845          * @param value                 the value within the element.
1846          * @param attributes    attributes for the element.
1847          * @param warnings              the warning set to use.
1848          */
1849         public void set(RocketComponent component, String value,
1850                         HashMap<String, String> attributes, WarningSet warnings);
1851 }
1852
1853
1854 ////  StringSetter - sets the value to the contained String
1855 class StringSetter implements Setter {
1856         private final Reflection.Method setMethod;
1857
1858         public StringSetter(Reflection.Method set) {
1859                 setMethod = set;
1860         }
1861
1862         @Override
1863         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1864                         WarningSet warnings) {
1865                 setMethod.invoke(c, s);
1866         }
1867 }
1868
1869 ////  IntSetter - set an integer value
1870 class IntSetter implements Setter {
1871         private final Reflection.Method setMethod;
1872
1873         public IntSetter(Reflection.Method set) {
1874                 setMethod = set;
1875         }
1876
1877         @Override
1878         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1879                         WarningSet warnings) {
1880                 try {
1881                         int n = Integer.parseInt(s);
1882                         setMethod.invoke(c, n);
1883                 } catch (NumberFormatException e) {
1884                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1885                 }
1886         }
1887 }
1888
1889
1890 //// BooleanSetter - set a boolean value
1891 class BooleanSetter implements Setter {
1892         private final Reflection.Method setMethod;
1893
1894         public BooleanSetter(Reflection.Method set) {
1895                 setMethod = set;
1896         }
1897
1898         @Override
1899         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1900                         WarningSet warnings) {
1901
1902                 s = s.trim();
1903                 if (s.equalsIgnoreCase("true")) {
1904                         setMethod.invoke(c, true);
1905                 } else if (s.equalsIgnoreCase("false")) {
1906                         setMethod.invoke(c, false);
1907                 } else {
1908                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1909                 }
1910         }
1911 }
1912
1913
1914
1915 ////  DoubleSetter - sets a double value or (alternatively) if a specific string is encountered
1916 ////  calls a setXXX(boolean) method.
1917 class DoubleSetter implements Setter {
1918         private final Reflection.Method setMethod;
1919         private final String specialString;
1920         private final Reflection.Method specialMethod;
1921         private final double multiplier;
1922
1923         /**
1924          * Set only the double value.
1925          * @param set   set method for the double value.
1926          */
1927         public DoubleSetter(Reflection.Method set) {
1928                 this.setMethod = set;
1929                 this.specialString = null;
1930                 this.specialMethod = null;
1931                 this.multiplier = 1.0;
1932         }
1933
1934         /**
1935          * Multiply with the given multiplier and set the double value.
1936          * @param set   set method for the double value.
1937          * @param mul   multiplier.
1938          */
1939         public DoubleSetter(Reflection.Method set, double mul) {
1940                 this.setMethod = set;
1941                 this.specialString = null;
1942                 this.specialMethod = null;
1943                 this.multiplier = mul;
1944         }
1945
1946         /**
1947          * Set the double value, or if the value equals the special string, use the
1948          * special setter and set it to true.
1949          *
1950          * @param set                   double setter.
1951          * @param special               special string
1952          * @param specialMethod boolean setter.
1953          */
1954         public DoubleSetter(Reflection.Method set, String special,
1955                         Reflection.Method specialMethod) {
1956                 this.setMethod = set;
1957                 this.specialString = special;
1958                 this.specialMethod = specialMethod;
1959                 this.multiplier = 1.0;
1960         }
1961
1962
1963         @Override
1964         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1965                         WarningSet warnings) {
1966
1967                 s = s.trim();
1968
1969                 // Check for special case
1970                 if (specialMethod != null && s.equalsIgnoreCase(specialString)) {
1971                         specialMethod.invoke(c, true);
1972                         return;
1973                 }
1974
1975                 // Normal case
1976                 try {
1977                         double d = Double.parseDouble(s);
1978                         setMethod.invoke(c, d * multiplier);
1979                 } catch (NumberFormatException e) {
1980                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1981                 }
1982         }
1983 }
1984
1985
1986 class OverrideSetter implements Setter {
1987         private final Reflection.Method setMethod;
1988         private final Reflection.Method enabledMethod;
1989
1990         public OverrideSetter(Reflection.Method set, Reflection.Method enabledMethod) {
1991                 this.setMethod = set;
1992                 this.enabledMethod = enabledMethod;
1993         }
1994
1995         @Override
1996         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1997                         WarningSet warnings) {
1998
1999                 try {
2000                         double d = Double.parseDouble(s);
2001                         setMethod.invoke(c, d);
2002                         enabledMethod.invoke(c, true);
2003                 } catch (NumberFormatException e) {
2004                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2005                 }
2006         }
2007 }
2008
2009 ////  EnumSetter  -  sets a generic enum type
2010 class EnumSetter<T extends Enum<T>> implements Setter {
2011         private final Reflection.Method setter;
2012         private final Class<T> enumClass;
2013
2014         public EnumSetter(Reflection.Method set, Class<T> enumClass) {
2015                 this.setter = set;
2016                 this.enumClass = enumClass;
2017         }
2018
2019         @Override
2020         public void set(RocketComponent c, String name, HashMap<String, String> attributes,
2021                         WarningSet warnings) {
2022
2023                 Enum<?> setEnum = DocumentConfig.findEnum(name, enumClass);
2024                 if (setEnum == null) {
2025                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2026                         return;
2027                 }
2028
2029                 setter.invoke(c, setEnum);
2030         }
2031 }
2032
2033
2034 ////  ColorSetter  -  sets a Color value
2035 class ColorSetter implements Setter {
2036         private final Reflection.Method setMethod;
2037
2038         public ColorSetter(Reflection.Method set) {
2039                 setMethod = set;
2040         }
2041
2042         @Override
2043         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
2044                         WarningSet warnings) {
2045
2046                 String red = attributes.get("red");
2047                 String green = attributes.get("green");
2048                 String blue = attributes.get("blue");
2049
2050                 if (red == null || green == null || blue == null) {
2051                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2052                         return;
2053                 }
2054
2055                 int r, g, b;
2056                 try {
2057                         r = Integer.parseInt(red);
2058                         g = Integer.parseInt(green);
2059                         b = Integer.parseInt(blue);
2060                 } catch (NumberFormatException e) {
2061                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2062                         return;
2063                 }
2064
2065                 if (r < 0 || g < 0 || b < 0 || r > 255 || g > 255 || b > 255) {
2066                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2067                         return;
2068                 }
2069
2070                 Color color = new Color(r, g, b);
2071                 setMethod.invoke(c, color);
2072
2073                 if (!s.trim().equals("")) {
2074                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2075                 }
2076         }
2077 }
2078
2079 ////ComponentPresetSetter  -  sets a ComponentPreset value
2080 class ComponentPresetSetter implements Setter {
2081 private final Reflection.Method setMethod;
2082
2083 public ComponentPresetSetter(Reflection.Method set) {
2084         this.setMethod = set;
2085 }
2086
2087 @Override
2088 public void set(RocketComponent c, String name, HashMap<String, String> attributes,
2089                 WarningSet warnings) {
2090         String manufacturerName = attributes.get("manufacturer");
2091         if ( manufacturerName == null ) {
2092                 warnings.add(Warning.fromString("Invalid ComponentPreset for component " + c.getName() + ", no manufacturer specified.  Ignored"));
2093                 return;
2094         }
2095
2096         String productNo = attributes.get("partno");
2097         if ( productNo == null ) {
2098                 warnings.add(Warning.fromString("Invalid ComponentPreset for component " + c.getName() + ", no partno specified.  Ignored"));
2099                 return;
2100         }
2101
2102         String digest = attributes.get("digest");
2103         if ( digest == null ) {
2104                 warnings.add(Warning.fromString("Invalid ComponentPreset for component " + c.getName() + ", no digest specified."));
2105         }
2106
2107         String type = attributes.get("type");
2108         if ( type == null ) {
2109                 warnings.add(Warning.fromString("Invalid ComponentPreset for component " + c.getName() + ", no type specified."));
2110         }
2111
2112         List<ComponentPreset> presets = Application.getComponentPresetDao().find( manufacturerName, productNo );
2113
2114         ComponentPreset matchingPreset = null;
2115
2116         for( ComponentPreset preset: presets ) {
2117                 if ( digest != null && preset.getDigest().equals(digest) ) {
2118                         // Found one with matching digest.  Take it.
2119                         matchingPreset = preset;
2120                         break;
2121                 }
2122                 if ( type != null && preset.getType().name().equals(type) && matchingPreset != null) {
2123                         // Found the first one with matching type.
2124                         matchingPreset = preset;
2125                 }
2126         }
2127
2128         // Was any found?
2129         if ( matchingPreset == null ) {
2130                 warnings.add(Warning.fromString("No matching ComponentPreset for component " + c.getName() + " found matching " + manufacturerName + " " + productNo));
2131                 return;
2132         }
2133
2134         if ( digest != null && !matchingPreset.getDigest().equals(digest) ) {
2135                 warnings.add(Warning.fromString("ComponentPreset for component " + c.getName() + " has wrong digest"));
2136         }
2137
2138         setMethod.invoke(c, matchingPreset);
2139 }
2140 }
2141
2142
2143 ////MaterialSetter  -  sets a Material value
2144 class MaterialSetter implements Setter {
2145 private final Reflection.Method setMethod;
2146 private final Material.Type type;
2147
2148 public MaterialSetter(Reflection.Method set, Material.Type type) {
2149         this.setMethod = set;
2150         this.type = type;
2151 }
2152
2153 @Override
2154 public void set(RocketComponent c, String name, HashMap<String, String> attributes,
2155                 WarningSet warnings) {
2156
2157         Material mat;
2158
2159         // Check name != ""
2160         name = name.trim();
2161         if (name.equals("")) {
2162                 warnings.add(Warning.fromString("Illegal material specification, ignoring."));
2163                 return;
2164         }
2165
2166         // Parse density
2167         double density;
2168         String str;
2169         str = attributes.remove("density");
2170         if (str == null) {
2171                 warnings.add(Warning.fromString("Illegal material specification, ignoring."));
2172                 return;
2173         }
2174         try {
2175                 density = Double.parseDouble(str);
2176         } catch (NumberFormatException e) {
2177                 warnings.add(Warning.fromString("Illegal material specification, ignoring."));
2178                 return;
2179         }
2180
2181         // Parse thickness
2182         //              double thickness = 0;
2183         //              str = attributes.remove("thickness");
2184         //              try {
2185         //                      if (str != null)
2186         //                              thickness = Double.parseDouble(str);
2187         //              } catch (NumberFormatException e){
2188         //                      warnings.add(Warning.fromString("Illegal material specification, ignoring."));
2189         //                      return;
2190         //              }
2191
2192         // Check type if specified
2193         str = attributes.remove("type");
2194         if (str != null && !type.name().toLowerCase(Locale.ENGLISH).equals(str)) {
2195                 warnings.add(Warning.fromString("Illegal material type specified, ignoring."));
2196                 return;
2197         }
2198
2199         String key = attributes.remove("key");
2200
2201         mat = Databases.findMaterial(type, key, name, density);
2202
2203         setMethod.invoke(c, mat);
2204 }
2205 }
2206
2207
2208
2209
2210
2211 class PositionSetter implements Setter {
2212
2213         @Override
2214         public void set(RocketComponent c, String value, HashMap<String, String> attributes,
2215                         WarningSet warnings) {
2216
2217                 RocketComponent.Position type = (Position) DocumentConfig.findEnum(attributes.get("type"),
2218                                 RocketComponent.Position.class);
2219                 if (type == null) {
2220                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2221                         return;
2222                 }
2223
2224                 double pos;
2225                 try {
2226                         pos = Double.parseDouble(value);
2227                 } catch (NumberFormatException e) {
2228                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2229                         return;
2230                 }
2231
2232                 if (c instanceof FinSet) {
2233                         ((FinSet) c).setRelativePosition(type);
2234                         c.setPositionValue(pos);
2235                 } else if (c instanceof LaunchLug) {
2236                         ((LaunchLug) c).setRelativePosition(type);
2237                         c.setPositionValue(pos);
2238                 } else if (c instanceof InternalComponent) {
2239                         ((InternalComponent) c).setRelativePosition(type);
2240                         c.setPositionValue(pos);
2241                 } else {
2242                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2243                 }
2244
2245         }
2246 }
2247
2248
2249 class FinTabPositionSetter extends DoubleSetter {
2250
2251         public FinTabPositionSetter() {
2252                 super(Reflection.findMethod(FinSet.class, "setTabShift", double.class));
2253         }
2254
2255         @Override
2256         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
2257                         WarningSet warnings) {
2258
2259                 if (!(c instanceof FinSet)) {
2260                         throw new IllegalStateException("FinTabPositionSetter called for component " + c);
2261                 }
2262
2263                 String relative = attributes.get("relativeto");
2264                 FinSet.TabRelativePosition position =
2265                                 (TabRelativePosition) DocumentConfig.findEnum(relative,
2266                                                 FinSet.TabRelativePosition.class);
2267
2268                 if (position != null) {
2269
2270                         ((FinSet) c).setTabRelativePosition(position);
2271
2272                 } else {
2273                         if (relative == null) {
2274                                 warnings.add("Required attribute 'relativeto' not found for fin tab position.");
2275                         } else {
2276                                 warnings.add("Illegal attribute value '" + relative + "' encountered.");
2277                         }
2278                 }
2279
2280                 super.set(c, s, attributes, warnings);
2281         }
2282
2283
2284 }
2285
2286
2287 class ClusterConfigurationSetter implements Setter {
2288
2289         @Override
2290         public void set(RocketComponent component, String value, HashMap<String, String> attributes,
2291                         WarningSet warnings) {
2292
2293                 if (!(component instanceof Clusterable)) {
2294                         warnings.add("Illegal component defined as cluster.");
2295                         return;
2296                 }
2297
2298                 ClusterConfiguration config = null;
2299                 for (ClusterConfiguration c : ClusterConfiguration.CONFIGURATIONS) {
2300                         if (c.getXMLName().equals(value)) {
2301                                 config = c;
2302                                 break;
2303                         }
2304                 }
2305
2306                 if (config == null) {
2307                         warnings.add("Illegal cluster configuration specified.");
2308                         return;
2309                 }
2310
2311                 ((Clusterable) component).setClusterConfiguration(config);
2312         }
2313 }