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