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