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