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

   1 package net.sf.openrocket.file.openrocket;
   2
   3 import java.awt.Color;
   4 import java.io.IOException;
   5 import java.io.InputStream;
   6 import java.lang.reflect.Constructor;
   7 import java.lang.reflect.InvocationTargetException;
   8 import java.util.ArrayList;
   9 import java.util.HashMap;
  10 import java.util.List;
  11
  12 import net.sf.openrocket.aerodynamics.Warning;
  13 import net.sf.openrocket.aerodynamics.WarningSet;
  14 import net.sf.openrocket.database.Databases;
  15 import net.sf.openrocket.document.OpenRocketDocument;
  16 import net.sf.openrocket.document.Simulation;
  17 import net.sf.openrocket.document.StorageOptions;
  18 import net.sf.openrocket.document.Simulation.Status;
  19 import net.sf.openrocket.file.RocketLoadException;
  20 import net.sf.openrocket.file.RocketLoader;
  21 import net.sf.openrocket.file.simplesax.ElementHandler;
  22 import net.sf.openrocket.file.simplesax.PlainTextHandler;
  23 import net.sf.openrocket.file.simplesax.SimpleSAX;
  24 import net.sf.openrocket.material.Material;
  25 import net.sf.openrocket.motor.Motor;
  26 import net.sf.openrocket.rocketcomponent.BodyComponent;
  27 import net.sf.openrocket.rocketcomponent.BodyTube;
  28 import net.sf.openrocket.rocketcomponent.Bulkhead;
  29 import net.sf.openrocket.rocketcomponent.CenteringRing;
  30 import net.sf.openrocket.rocketcomponent.ClusterConfiguration;
  31 import net.sf.openrocket.rocketcomponent.Clusterable;
  32 import net.sf.openrocket.rocketcomponent.EllipticalFinSet;
  33 import net.sf.openrocket.rocketcomponent.EngineBlock;
  34 import net.sf.openrocket.rocketcomponent.ExternalComponent;
  35 import net.sf.openrocket.rocketcomponent.FinSet;
  36 import net.sf.openrocket.rocketcomponent.FreeformFinSet;
  37 import net.sf.openrocket.rocketcomponent.IllegalFinPointException;
  38 import net.sf.openrocket.rocketcomponent.InnerTube;
  39 import net.sf.openrocket.rocketcomponent.InternalComponent;
  40 import net.sf.openrocket.rocketcomponent.LaunchLug;
  41 import net.sf.openrocket.rocketcomponent.MassComponent;
  42 import net.sf.openrocket.rocketcomponent.MassObject;
  43 import net.sf.openrocket.rocketcomponent.MotorMount;
  44 import net.sf.openrocket.rocketcomponent.NoseCone;
  45 import net.sf.openrocket.rocketcomponent.Parachute;
  46 import net.sf.openrocket.rocketcomponent.RadiusRingComponent;
  47 import net.sf.openrocket.rocketcomponent.RecoveryDevice;
  48 import net.sf.openrocket.rocketcomponent.ReferenceType;
  49 import net.sf.openrocket.rocketcomponent.RingComponent;
  50 import net.sf.openrocket.rocketcomponent.Rocket;
  51 import net.sf.openrocket.rocketcomponent.RocketComponent;
  52 import net.sf.openrocket.rocketcomponent.ShockCord;
  53 import net.sf.openrocket.rocketcomponent.Stage;
  54 import net.sf.openrocket.rocketcomponent.Streamer;
  55 import net.sf.openrocket.rocketcomponent.StructuralComponent;
  56 import net.sf.openrocket.rocketcomponent.SymmetricComponent;
  57 import net.sf.openrocket.rocketcomponent.ThicknessRingComponent;
  58 import net.sf.openrocket.rocketcomponent.Transition;
  59 import net.sf.openrocket.rocketcomponent.TrapezoidFinSet;
  60 import net.sf.openrocket.rocketcomponent.TubeCoupler;
  61 import net.sf.openrocket.rocketcomponent.ExternalComponent.Finish;
  62 import net.sf.openrocket.rocketcomponent.FinSet.TabRelativePosition;
  63 import net.sf.openrocket.rocketcomponent.RocketComponent.Position;
  64 import net.sf.openrocket.simulation.FlightData;
  65 import net.sf.openrocket.simulation.FlightDataBranch;
  66 import net.sf.openrocket.simulation.FlightEvent;
  67 import net.sf.openrocket.simulation.SimulationConditions;
  68 import net.sf.openrocket.simulation.FlightEvent.Type;
  69 import net.sf.openrocket.unit.UnitGroup;
  70 import net.sf.openrocket.util.BugException;
  71 import net.sf.openrocket.util.Coordinate;
  72 import net.sf.openrocket.util.LineStyle;
  73 import net.sf.openrocket.util.Reflection;
  74
  75 import org.xml.sax.InputSource;
  76 import org.xml.sax.SAXException;
  77
  78
  79 /**
  80  * Class that loads a rocket definition from an OpenRocket rocket file.
  81  * <p>
  82  * This class uses SAX to read the XML file format.  The
  83  * {@link #loadFromStream(InputStream)} method simply sets the system up and
  84  * starts the parsing, while the actual logic is in the private inner class
  85  * <code>OpenRocketHandler</code>.
  86  *
  87  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  88  */
  89
  90 public class OpenRocketLoader extends RocketLoader {
  91
  92         @Override
  93         public OpenRocketDocument loadFromStream(InputStream source) throws RocketLoadException,
  94                         IOException {
  95                 InputSource xmlSource = new InputSource(source);
  96                 OpenRocketHandler handler = new OpenRocketHandler();
  97
  98
  99                 try {
 100                         SimpleSAX.readXML(xmlSource, handler, warnings);
 101                 } catch (SAXException e) {
 102                         throw new RocketLoadException("Malformed XML in input.", e);
 103                 }
 104
 105
 106                 OpenRocketDocument doc = handler.getDocument();
 107                 doc.getDefaultConfiguration().setAllStages();
 108
 109                 // Deduce suitable time skip
 110                 double timeSkip = StorageOptions.SIMULATION_DATA_NONE;
 111                 for (Simulation s: doc.getSimulations()) {
 112                         if (s.getStatus() == Simulation.Status.EXTERNAL ||
 113                                         s.getStatus() == Simulation.Status.NOT_SIMULATED)
 114                                 continue;
 115                         if (s.getSimulatedData() == null)
 116                                 continue;
 117                         if (s.getSimulatedData().getBranchCount() == 0)
 118                                 continue;
 119                         FlightDataBranch branch = s.getSimulatedData().getBranch(0);
 120                         if (branch == null)
 121                                 continue;
 122                         List<Double> list = branch.get(FlightDataBranch.TYPE_TIME);
 123                         if (list == null)
 124                                 continue;
 125
 126                         double previousTime = Double.NaN;
 127                         for (double time: list) {
 128                                 if (time - previousTime < timeSkip)
 129                                         timeSkip = time-previousTime;
 130                                 previousTime = time;
 131                         }
 132                 }
 133                 // Round value
 134                 timeSkip = Math.rint(timeSkip*100)/100;
 135
 136                 doc.getDefaultStorageOptions().setSimulationTimeSkip(timeSkip);
 137                 doc.getDefaultStorageOptions().setCompressionEnabled(false); // Set by caller if compressed
 138                 doc.getDefaultStorageOptions().setExplicitlySet(false);
 139
 140                 doc.clearUndo();
 141                 return doc;
 142         }
 143
 144 }
 145
 146
 147
 148 class DocumentConfig {
 149
 150         /* Remember to update OpenRocketSaver as well! */
 151         public static final String[] SUPPORTED_VERSIONS = { "0.9", "1.0", "1.1" };
 152
 153
 154         ////////  Component constructors
 155         static final HashMap<String, Constructor<? extends RocketComponent>> constructors = new HashMap<String, Constructor<? extends RocketComponent>>();
 156         static {
 157                 try {
 158                         // External components
 159                         constructors.put("bodytube", BodyTube.class.getConstructor(new Class<?>[0]));
 160                         constructors.put("transition", Transition.class.getConstructor(new Class<?>[0]));
 161                         constructors.put("nosecone", NoseCone.class.getConstructor(new Class<?>[0]));
 162                         constructors.put("trapezoidfinset", TrapezoidFinSet.class.getConstructor(new Class<?>[0]));
 163                         constructors.put("ellipticalfinset", EllipticalFinSet.class.getConstructor(new Class<?>[0]));
 164                         constructors.put("freeformfinset", FreeformFinSet.class.getConstructor(new Class<?>[0]));
 165                         constructors.put("launchlug", LaunchLug.class.getConstructor(new Class<?>[0]));
 166
 167                         // Internal components
 168                         constructors.put("engineblock", EngineBlock.class.getConstructor(new Class<?>[0]));
 169                         constructors.put("innertube", InnerTube.class.getConstructor(new Class<?>[0]));
 170                         constructors.put("tubecoupler", TubeCoupler.class.getConstructor(new Class<?>[0]));
 171                         constructors.put("bulkhead", Bulkhead.class.getConstructor(new Class<?>[0]));
 172                         constructors.put("centeringring", CenteringRing.class.getConstructor(new Class<?>[0]));
 173
 174                         constructors.put("masscomponent", MassComponent.class.getConstructor(new Class<?>[0]));
 175                         constructors.put("shockcord", ShockCord.class.getConstructor(new Class<?>[0]));
 176                         constructors.put("parachute", Parachute.class.getConstructor(new Class<?>[0]));
 177                         constructors.put("streamer", Streamer.class.getConstructor(new Class<?>[0]));
 178
 179                         // Other
 180                         constructors.put("stage", Stage.class.getConstructor(new Class<?>[0]));
 181
 182                 } catch (NoSuchMethodException e) {
 183                         throw new BugException(
 184                                         "Error in constructing the 'constructors' HashMap.");
 185                 }
 186         }
 187
 188
 189         ////////  Parameter setters
 190         /*
 191          * The keys are of the form Class:param, where Class is the class name and param
 192          * the element name.  Setters are searched for in descending class order.
 193          * A setter of null means setting the parameter is not allowed.
 194          */
 195         static final HashMap<String, Setter> setters = new HashMap<String, Setter>();
 196         static {
 197                 // RocketComponent
 198                 setters.put("RocketComponent:name", new StringSetter(
 199                                 Reflection.findMethodStatic(RocketComponent.class, "setName", String.class)));
 200                 setters.put("RocketComponent:color", new ColorSetter(
 201                                 Reflection.findMethodStatic(RocketComponent.class, "setColor", Color.class)));
 202                 setters.put("RocketComponent:linestyle", new EnumSetter<LineStyle>(
 203                                 Reflection.findMethodStatic(RocketComponent.class, "setLineStyle", LineStyle.class),
 204                                 LineStyle.class));
 205                 setters.put("RocketComponent:position", new PositionSetter());
 206                 setters.put("RocketComponent:overridemass", new OverrideSetter(
 207                                 Reflection.findMethodStatic(RocketComponent.class, "setOverrideMass", double.class),
 208                                 Reflection.findMethodStatic(RocketComponent.class, "setMassOverridden", boolean.class)));
 209                 setters.put("RocketComponent:overridecg", new OverrideSetter(
 210                                 Reflection.findMethodStatic(RocketComponent.class, "setOverrideCGX", double.class),
 211                                 Reflection.findMethodStatic(RocketComponent.class, "setCGOverridden", boolean.class)));
 212                 setters.put("RocketComponent:overridesubcomponents", new BooleanSetter(
 213                                 Reflection.findMethodStatic(RocketComponent.class, "setOverrideSubcomponents", boolean.class)));
 214                 setters.put("RocketComponent:comment", new StringSetter(
 215                                 Reflection.findMethodStatic(RocketComponent.class, "setComment", String.class)));
 216
 217                 // ExternalComponent
 218                 setters.put("ExternalComponent:finish", new EnumSetter<Finish>(
 219                                 Reflection.findMethodStatic(ExternalComponent.class, "setFinish", Finish.class),
 220                                 Finish.class));
 221                 setters.put("ExternalComponent:material", new MaterialSetter(
 222                                 Reflection.findMethodStatic(ExternalComponent.class, "setMaterial", Material.class),
 223                                 Material.Type.BULK));
 224
 225                 // BodyComponent
 226                 setters.put("BodyComponent:length", new DoubleSetter(
 227                                 Reflection.findMethodStatic(BodyComponent.class, "setLength", double.class)));
 228
 229                 // SymmetricComponent
 230                 setters.put("SymmetricComponent:thickness", new DoubleSetter(
 231                                 Reflection.findMethodStatic(SymmetricComponent.class,"setThickness", double.class),
 232                                 "filled",
 233                                 Reflection.findMethodStatic(SymmetricComponent.class,"setFilled", boolean.class)));
 234
 235                 // BodyTube
 236                 setters.put("BodyTube:radius", new DoubleSetter(
 237                                 Reflection.findMethodStatic(BodyTube.class, "setRadius", double.class),
 238                                 "auto",
 239                                 Reflection.findMethodStatic(BodyTube.class,"setRadiusAutomatic", boolean.class)));
 240
 241                 // Transition
 242                 setters.put("Transition:shape", new EnumSetter<Transition.Shape>(
 243                                 Reflection.findMethodStatic(Transition.class, "setType", Transition.Shape.class),
 244                                 Transition.Shape.class));
 245                 setters.put("Transition:shapeclipped", new BooleanSetter(
 246                                 Reflection.findMethodStatic(Transition.class, "setClipped", boolean.class)));
 247                 setters.put("Transition:shapeparameter", new DoubleSetter(
 248                                 Reflection.findMethodStatic(Transition.class, "setShapeParameter", double.class)));
 249
 250                 setters.put("Transition:foreradius", new DoubleSetter(
 251                                 Reflection.findMethodStatic(Transition.class, "setForeRadius", double.class),
 252                                 "auto",
 253                                 Reflection.findMethodStatic(Transition.class, "setForeRadiusAutomatic", boolean.class)));
 254                 setters.put("Transition:aftradius", new DoubleSetter(
 255                                 Reflection.findMethodStatic(Transition.class, "setAftRadius", double.class),
 256                                 "auto",
 257                                 Reflection.findMethodStatic(Transition.class, "setAftRadiusAutomatic", boolean.class)));
 258
 259                 setters.put("Transition:foreshoulderradius", new DoubleSetter(
 260                                 Reflection.findMethodStatic(Transition.class, "setForeShoulderRadius", double.class)));
 261                 setters.put("Transition:foreshoulderlength", new DoubleSetter(
 262                                 Reflection.findMethodStatic(Transition.class, "setForeShoulderLength", double.class)));
 263                 setters.put("Transition:foreshoulderthickness", new DoubleSetter(
 264                                 Reflection.findMethodStatic(Transition.class, "setForeShoulderThickness", double.class)));
 265                 setters.put("Transition:foreshouldercapped", new BooleanSetter(
 266                                 Reflection.findMethodStatic(Transition.class, "setForeShoulderCapped", boolean.class)));
 267
 268                 setters.put("Transition:aftshoulderradius", new DoubleSetter(
 269                                 Reflection.findMethodStatic(Transition.class, "setAftShoulderRadius", double.class)));
 270                 setters.put("Transition:aftshoulderlength", new DoubleSetter(
 271                                 Reflection.findMethodStatic(Transition.class, "setAftShoulderLength", double.class)));
 272                 setters.put("Transition:aftshoulderthickness", new DoubleSetter(
 273                                 Reflection.findMethodStatic(Transition.class, "setAftShoulderThickness", double.class)));
 274                 setters.put("Transition:aftshouldercapped", new BooleanSetter(
 275                                 Reflection.findMethodStatic(Transition.class, "setAftShoulderCapped", boolean.class)));
 276
 277                 // NoseCone - disable disallowed elements
 278                 setters.put("NoseCone:foreradius", null);
 279                 setters.put("NoseCone:foreshoulderradius", null);
 280                 setters.put("NoseCone:foreshoulderlength", null);
 281                 setters.put("NoseCone:foreshoulderthickness", null);
 282                 setters.put("NoseCone:foreshouldercapped", null);
 283
 284                 // FinSet
 285                 setters.put("FinSet:fincount", new IntSetter(
 286                                 Reflection.findMethodStatic(FinSet.class, "setFinCount", int.class)));
 287                 setters.put("FinSet:rotation", new DoubleSetter(
 288                                 Reflection.findMethodStatic(FinSet.class, "setBaseRotation", double.class), Math.PI/180.0));
 289                 setters.put("FinSet:thickness", new DoubleSetter(
 290                                 Reflection.findMethodStatic(FinSet.class, "setThickness", double.class)));
 291                 setters.put("FinSet:crosssection", new EnumSetter<FinSet.CrossSection>(
 292                                 Reflection.findMethodStatic(FinSet.class, "setCrossSection", FinSet.CrossSection.class),
 293                                 FinSet.CrossSection.class));
 294                 setters.put("FinSet:cant", new DoubleSetter(
 295                                 Reflection.findMethodStatic(FinSet.class, "setCantAngle", double.class), Math.PI/180.0));
 296                 setters.put("FinSet:tabheight", new DoubleSetter(
 297                                 Reflection.findMethodStatic(FinSet.class, "setTabHeight", double.class)));
 298                 setters.put("FinSet:tablength", new DoubleSetter(
 299                                 Reflection.findMethodStatic(FinSet.class, "setTabLength", double.class)));
 300                 setters.put("FinSet:tabposition", new FinTabPositionSetter());
 301
 302                 // TrapezoidFinSet
 303                 setters.put("TrapezoidFinSet:rootchord", new DoubleSetter(
 304                                 Reflection.findMethodStatic(TrapezoidFinSet.class, "setRootChord", double.class)));
 305                 setters.put("TrapezoidFinSet:tipchord", new DoubleSetter(
 306                                 Reflection.findMethodStatic(TrapezoidFinSet.class, "setTipChord", double.class)));
 307                 setters.put("TrapezoidFinSet:sweeplength", new DoubleSetter(
 308                                 Reflection.findMethodStatic(TrapezoidFinSet.class, "setSweep", double.class)));
 309                 setters.put("TrapezoidFinSet:height", new DoubleSetter(
 310                                 Reflection.findMethodStatic(TrapezoidFinSet.class, "setHeight", double.class)));
 311
 312                 // EllipticalFinSet
 313                 setters.put("EllipticalFinSet:rootchord", new DoubleSetter(
 314                                 Reflection.findMethodStatic(EllipticalFinSet.class, "setLength", double.class)));
 315                 setters.put("EllipticalFinSet:height", new DoubleSetter(
 316                                 Reflection.findMethodStatic(EllipticalFinSet.class, "setHeight", double.class)));
 317
 318                 // FreeformFinSet points handled as a special handler
 319
 320                 // LaunchLug
 321                 setters.put("LaunchLug:radius", new DoubleSetter(
 322                                 Reflection.findMethodStatic(LaunchLug.class, "setRadius", double.class)));
 323                 setters.put("LaunchLug:length", new DoubleSetter(
 324                                 Reflection.findMethodStatic(LaunchLug.class, "setLength", double.class)));
 325                 setters.put("LaunchLug:thickness", new DoubleSetter(
 326                                 Reflection.findMethodStatic(LaunchLug.class, "setThickness", double.class)));
 327                 setters.put("LaunchLug:radialdirection", new DoubleSetter(
 328                                 Reflection.findMethodStatic(LaunchLug.class, "setRadialDirection", double.class),
 329                                 Math.PI/180.0));
 330
 331                 // InternalComponent - nothing
 332
 333                 // StructuralComponent
 334                 setters.put("StructuralComponent:material", new MaterialSetter(
 335                                 Reflection.findMethodStatic(StructuralComponent.class, "setMaterial", Material.class),
 336                                 Material.Type.BULK));
 337
 338                 // RingComponent
 339                 setters.put("RingComponent:length", new DoubleSetter(
 340                                 Reflection.findMethodStatic(RingComponent.class, "setLength", double.class)));
 341                 setters.put("RingComponent:radialposition", new DoubleSetter(
 342                                 Reflection.findMethodStatic(RingComponent.class, "setRadialPosition", double.class)));
 343                 setters.put("RingComponent:radialdirection", new DoubleSetter(
 344                                 Reflection.findMethodStatic(RingComponent.class, "setRadialDirection", double.class),
 345                                 Math.PI / 180.0));
 346
 347                 // ThicknessRingComponent - radius on separate components due to differing automatics
 348                 setters.put("ThicknessRingComponent:thickness", new DoubleSetter(
 349                                 Reflection.findMethodStatic(ThicknessRingComponent.class, "setThickness", double.class)));
 350
 351                 // EngineBlock
 352                 setters.put("EngineBlock:outerradius", new DoubleSetter(
 353                                 Reflection.findMethodStatic(EngineBlock.class, "setOuterRadius", double.class),
 354                                 "auto",
 355                                 Reflection.findMethodStatic(EngineBlock.class, "setOuterRadiusAutomatic", boolean.class)));
 356
 357                 // TubeCoupler
 358                 setters.put("TubeCoupler:outerradius", new DoubleSetter(
 359                                 Reflection.findMethodStatic(TubeCoupler.class, "setOuterRadius", double.class),
 360                                 "auto",
 361                                 Reflection.findMethodStatic(TubeCoupler.class, "setOuterRadiusAutomatic", boolean.class)));
 362
 363                 // InnerTube
 364                 setters.put("InnerTube:outerradius", new DoubleSetter(
 365                                 Reflection.findMethodStatic(InnerTube.class, "setOuterRadius", double.class)));
 366                 setters.put("InnerTube:clusterconfiguration", new ClusterConfigurationSetter());
 367                 setters.put("InnerTube:clusterscale", new DoubleSetter(
 368                                 Reflection.findMethodStatic(InnerTube.class, "setClusterScale", double.class)));
 369                 setters.put("InnerTube:clusterrotation", new DoubleSetter(
 370                                 Reflection.findMethodStatic(InnerTube.class, "setClusterRotation", double.class),
 371                                 Math.PI / 180.0));
 372
 373                 // RadiusRingComponent
 374
 375                 // Bulkhead
 376                 setters.put("RadiusRingComponent:innerradius", new DoubleSetter(
 377                                 Reflection.findMethodStatic(RadiusRingComponent.class, "setInnerRadius", double.class)));
 378                 setters.put("Bulkhead:outerradius", new DoubleSetter(
 379                                 Reflection.findMethodStatic(Bulkhead.class, "setOuterRadius", double.class),
 380                                 "auto",
 381                                 Reflection.findMethodStatic(Bulkhead.class, "setOuterRadiusAutomatic", boolean.class)));
 382
 383                 // CenteringRing
 384                 setters.put("CenteringRing:innerradius", new DoubleSetter(
 385                                 Reflection.findMethodStatic(CenteringRing.class, "setInnerRadius", double.class),
 386                                 "auto",
 387                                 Reflection.findMethodStatic(CenteringRing.class, "setInnerRadiusAutomatic", boolean.class)));
 388                 setters.put("CenteringRing:outerradius", new DoubleSetter(
 389                                 Reflection.findMethodStatic(CenteringRing.class, "setOuterRadius", double.class),
 390                                 "auto",
 391                                 Reflection.findMethodStatic(CenteringRing.class, "setOuterRadiusAutomatic", boolean.class)));
 392
 393
 394                 // MassObject
 395                 setters.put("MassObject:packedlength", new DoubleSetter(
 396                                 Reflection.findMethodStatic(MassObject.class, "setLength", double.class)));
 397                 setters.put("MassObject:packedradius", new DoubleSetter(
 398                                 Reflection.findMethodStatic(MassObject.class, "setRadius", double.class)));
 399                 setters.put("MassObject:radialposition", new DoubleSetter(
 400                                 Reflection.findMethodStatic(MassObject.class, "setRadialPosition", double.class)));
 401                 setters.put("MassObject:radialdirection", new DoubleSetter(
 402                                 Reflection.findMethodStatic(MassObject.class, "setRadialDirection", double.class),
 403                                 Math.PI / 180.0));
 404
 405                 // MassComponent
 406                 setters.put("MassComponent:mass", new DoubleSetter(
 407                                 Reflection.findMethodStatic(MassComponent.class, "setComponentMass", double.class)));
 408
 409                 // ShockCord
 410                 setters.put("ShockCord:cordlength", new DoubleSetter(
 411                                 Reflection.findMethodStatic(ShockCord.class, "setCordLength", double.class)));
 412                 setters.put("ShockCord:material", new MaterialSetter(
 413                                 Reflection.findMethodStatic(ShockCord.class, "setMaterial", Material.class),
 414                                 Material.Type.LINE));
 415
 416                 // RecoveryDevice
 417                 setters.put("RecoveryDevice:cd", new DoubleSetter(
 418                                 Reflection.findMethodStatic(RecoveryDevice.class, "setCD", double.class),
 419                                 "auto",
 420                                 Reflection.findMethodStatic(RecoveryDevice.class, "setCDAutomatic", boolean.class)));
 421                 setters.put("RecoveryDevice:deployevent", new EnumSetter<RecoveryDevice.DeployEvent>(
 422                                 Reflection.findMethodStatic(RecoveryDevice.class, "setDeployEvent", RecoveryDevice.DeployEvent.class),
 423                                 RecoveryDevice.DeployEvent.class));
 424                 setters.put("RecoveryDevice:deployaltitude", new DoubleSetter(
 425                                 Reflection.findMethodStatic(RecoveryDevice.class, "setDeployAltitude", double.class)));
 426                 setters.put("RecoveryDevice:deploydelay", new DoubleSetter(
 427                                 Reflection.findMethodStatic(RecoveryDevice.class, "setDeployDelay", double.class)));
 428                 setters.put("RecoveryDevice:material", new MaterialSetter(
 429                                 Reflection.findMethodStatic(RecoveryDevice.class, "setMaterial", Material.class),
 430                                 Material.Type.SURFACE));
 431
 432                 // Parachute
 433                 setters.put("Parachute:diameter", new DoubleSetter(
 434                                 Reflection.findMethodStatic(Parachute.class, "setDiameter", double.class)));
 435                 setters.put("Parachute:linecount", new IntSetter(
 436                                 Reflection.findMethodStatic(Parachute.class, "setLineCount", int.class)));
 437                 setters.put("Parachute:linelength", new DoubleSetter(
 438                                 Reflection.findMethodStatic(Parachute.class, "setLineLength", double.class)));
 439                 setters.put("Parachute:linematerial", new MaterialSetter(
 440                                 Reflection.findMethodStatic(Parachute.class, "setLineMaterial", Material.class),
 441                                 Material.Type.LINE));
 442
 443                 // Streamer
 444                 setters.put("Streamer:striplength", new DoubleSetter(
 445                                 Reflection.findMethodStatic(Streamer.class, "setStripLength", double.class)));
 446                 setters.put("Streamer:stripwidth", new DoubleSetter(
 447                                 Reflection.findMethodStatic(Streamer.class, "setStripWidth", double.class)));
 448
 449                 // Rocket
 450                 // <motorconfiguration> handled by separate handler
 451                 setters.put("Rocket:referencetype", new EnumSetter<ReferenceType>(
 452                                 Reflection.findMethodStatic(Rocket.class, "setReferenceType", ReferenceType.class),
 453                                 ReferenceType.class));
 454                 setters.put("Rocket:customreference", new DoubleSetter(
 455                                 Reflection.findMethodStatic(Rocket.class, "setCustomReferenceLength", double.class)));
 456                 setters.put("Rocket:designer", new StringSetter(
 457                                 Reflection.findMethodStatic(Rocket.class, "setDesigner", String.class)));
 458                 setters.put("Rocket:revision", new StringSetter(
 459                                 Reflection.findMethodStatic(Rocket.class, "setRevision", String.class)));
 460         }
 461
 462
 463         /**
 464          * Search for a enum value that has the corresponding name as an XML value.  The current
 465          * conversion from enum name to XML value is to lowercase the name and strip out all
 466          * underscore characters.  This method returns a match to these criteria, or <code>null</code>
 467          * if no such enum exists.
 468          *
 469          * @param <T>                   then enum type.
 470          * @param name                  the XML value, null ok.
 471          * @param enumClass             the class of the enum.
 472          * @return                              the found enum value, or <code>null</code>.
 473          */
 474         public static <T extends Enum<T>> Enum<T> findEnum(String name,
 475                         Class<? extends Enum<T>> enumClass) {
 476
 477                 if (name == null)
 478                         return null;
 479                 name = name.trim();
 480                 for (Enum<T> e: enumClass.getEnumConstants()) {
 481                         if (e.name().toLowerCase().replace("_", "").equals(name)) {
 482                                 return e;
 483                         }
 484                 }
 485                 return null;
 486         }
 487
 488
 489         /**
 490          * Convert a string to a double including formatting specifications of the OpenRocket
 491          * file format.  This accepts all formatting that is valid for
 492          * <code>Double.parseDouble(s)</code> and a few others as well ("Inf", "-Inf").
 493          *
 494          * @param s             the string to parse.
 495          * @return              the numerical value.
 496          * @throws NumberFormatException        the the string cannot be parsed.
 497          */
 498         public static double stringToDouble(String s) throws NumberFormatException {
 499                 if (s == null)
 500                         throw new NumberFormatException("null string");
 501                 if (s.equalsIgnoreCase("NaN"))
 502                         return Double.NaN;
 503                 if (s.equalsIgnoreCase("Inf"))
 504                         return Double.POSITIVE_INFINITY;
 505                 if (s.equalsIgnoreCase("-Inf"))
 506                         return Double.NEGATIVE_INFINITY;
 507                 return Double.parseDouble(s);
 508         }
 509 }
 510
 511
 512
 513
 514
 515 /**
 516  * The starting point of the handlers.  Accepts a single <openrocket> element and hands
 517  * the contents to be read by a OpenRocketContentsHandler.
 518  */
 519 class OpenRocketHandler extends ElementHandler {
 520         private OpenRocketContentHandler handler = null;
 521
 522         /**
 523          * Return the OpenRocketDocument read from the file, or <code>null</code> if a document
 524          * has not been read yet.
 525          *
 526          * @return      the document read, or null.
 527          */
 528         public OpenRocketDocument getDocument() {
 529                 return handler.getDocument();
 530         }
 531
 532         @Override
 533         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 534                         WarningSet warnings) {
 535
 536                 // Check for unknown elements
 537                 if (!element.equals("openrocket")) {
 538                         warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 539                         return null;
 540                 }
 541
 542                 // Check for first call
 543                 if (handler != null) {
 544                         warnings.add(Warning.fromString("Multiple document elements found, ignoring later "
 545                                                         + "ones."));
 546                         return null;
 547                 }
 548
 549                 // Check version number
 550                 String version = null;
 551                 String creator = attributes.remove("creator");
 552                 String docVersion = attributes.remove("version");
 553                 for (String v : DocumentConfig.SUPPORTED_VERSIONS) {
 554                         if (v.equals(docVersion)) {
 555                                 version = v;
 556                                 break;
 557                         }
 558                 }
 559                 if (version == null) {
 560                         String str = "Unsupported document version";
 561                         if (docVersion != null)
 562                                 str += " " + docVersion;
 563                         if (creator != null && !creator.trim().equals(""))
 564                                 str += " (written using '" + creator.trim() + "')";
 565                         str += ", attempting to read file anyway.";
 566                         warnings.add(str);
 567                 }
 568
 569                 handler = new OpenRocketContentHandler();
 570                 return handler;
 571         }
 572
 573         @Override
 574         public void closeElement(String element, HashMap<String, String> attributes,
 575                         String content, WarningSet warnings) throws SAXException {
 576                 attributes.remove("version");
 577                 attributes.remove("creator");
 578                 super.closeElement(element, attributes, content, warnings);
 579         }
 580
 581
 582 }
 583
 584
 585 /**
 586  * Handles the content of the <openrocket> tag.
 587  */
 588 class OpenRocketContentHandler extends ElementHandler {
 589         private final OpenRocketDocument doc;
 590         private final Rocket rocket;
 591
 592         private boolean rocketDefined = false;
 593         private boolean simulationsDefined = false;
 594
 595         public OpenRocketContentHandler() {
 596                 this.rocket = new Rocket();
 597                 this.doc = new OpenRocketDocument(rocket);
 598         }
 599
 600
 601         public OpenRocketDocument getDocument() {
 602                 if (!rocketDefined)
 603                         return null;
 604                 return doc;
 605         }
 606
 607         @Override
 608         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 609                         WarningSet warnings) {
 610
 611                 if (element.equals("rocket")) {
 612                         if (rocketDefined) {
 613                                 warnings.add(Warning
 614                                                 .fromString("Multiple rocket designs within one document, "
 615                                                                 + "ignoring later ones."));
 616                                 return null;
 617                         }
 618                         rocketDefined = true;
 619                         return new ComponentParameterHandler(rocket);
 620                 }
 621
 622                 if (element.equals("simulations")) {
 623                         if (simulationsDefined) {
 624                                 warnings.add(Warning
 625                                                 .fromString("Multiple simulation definitions within one document, "
 626                                                                 + "ignoring later ones."));
 627                                 return null;
 628                         }
 629                         simulationsDefined = true;
 630                         return new SimulationsHandler(doc);
 631                 }
 632
 633                 warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 634
 635                 return null;
 636         }
 637 }
 638
 639
 640
 641
 642 /**
 643  * A handler that creates components from the corresponding elements.  The control of the
 644  * contents is passed on to ComponentParameterHandler.
 645  */
 646 class ComponentHandler extends ElementHandler {
 647         private final RocketComponent parent;
 648
 649         public ComponentHandler(RocketComponent parent) {
 650                 this.parent = parent;
 651         }
 652
 653         @Override
 654         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 655                         WarningSet warnings) {
 656
 657                 // Attempt to construct new component
 658                 Constructor<? extends RocketComponent> constructor = DocumentConfig.constructors
 659                                 .get(element);
 660                 if (constructor == null) {
 661                         warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 662                         return null;
 663                 }
 664
 665                 RocketComponent c;
 666                 try {
 667                         c = constructor.newInstance();
 668                 } catch (InstantiationException e) {
 669                         throw new BugException("Error constructing component.", e);
 670                 } catch (IllegalAccessException e) {
 671                         throw new BugException("Error constructing component.", e);
 672                 } catch (InvocationTargetException e) {
 673                         throw Reflection.handleWrappedException(e);
 674                 }
 675
 676                 parent.addChild(c);
 677
 678                 return new ComponentParameterHandler(c);
 679         }
 680 }
 681
 682
 683 /**
 684  * A handler that populates the parameters of a previously constructed rocket component.
 685  * This uses the setters, or delegates the handling to another handler for specific
 686  * elements.
 687  */
 688 class ComponentParameterHandler extends ElementHandler {
 689         private final RocketComponent component;
 690
 691         public ComponentParameterHandler(RocketComponent c) {
 692                 this.component = c;
 693         }
 694
 695         @Override
 696         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 697                         WarningSet warnings) {
 698
 699                 // Check for specific elements that contain other elements
 700                 if (element.equals("subcomponents")) {
 701                         return new ComponentHandler(component);
 702                 }
 703                 if (element.equals("motormount")) {
 704                         if (!(component instanceof MotorMount)) {
 705                                 warnings.add(Warning.fromString("Illegal component defined as motor mount."));
 706                                 return null;
 707                         }
 708                         return new MotorMountHandler((MotorMount)component);
 709                 }
 710                 if (element.equals("finpoints")) {
 711                         if (!(component instanceof FreeformFinSet)) {
 712                                 warnings.add(Warning.fromString("Illegal component defined for fin points."));
 713                                 return null;
 714                         }
 715                         return new FinSetPointHandler((FreeformFinSet)component);
 716                 }
 717                 if (element.equals("motorconfiguration")) {
 718                         if (!(component instanceof Rocket)) {
 719                                 warnings.add(Warning.fromString("Illegal component defined for motor configuration."));
 720                                 return null;
 721                         }
 722                         return new MotorConfigurationHandler((Rocket)component);
 723                 }
 724
 725
 726                 return PlainTextHandler.INSTANCE;
 727         }
 728
 729         @Override
 730         public void closeElement(String element, HashMap<String, String> attributes,
 731                         String content, WarningSet warnings) {
 732
 733                 if (element.equals("subcomponents") || element.equals("motormount") ||
 734                                 element.equals("finpoints") || element.equals("motorconfiguration")) {
 735                         return;
 736                 }
 737
 738                 // Search for the correct setter class
 739
 740                 Class<?> c;
 741                 for (c = component.getClass(); c != null; c = c.getSuperclass()) {
 742                         String setterKey = c.getSimpleName() + ":" + element;
 743                         Setter s = DocumentConfig.setters.get(setterKey);
 744                         if (s != null) {
 745                                 // Setter found
 746                                 System.out.println("Calling with key "+setterKey);
 747                                 s.set(component, content, attributes, warnings);
 748                                 break;
 749                         }
 750                         if (DocumentConfig.setters.containsKey(setterKey)) {
 751                                 // Key exists but is null -> invalid parameter
 752                                 c = null;
 753                                 break;
 754                         }
 755                 }
 756                 if (c == null) {
 757                         warnings.add(Warning.fromString("Unknown parameter type '" + element + "' for "
 758                                         + component.getComponentName() + ", ignoring."));
 759                 }
 760         }
 761 }
 762
 763
 764 /**
 765  * A handler that reads the <point> specifications within the freeformfinset's
 766  * <finpoints> elements.
 767  */
 768 class FinSetPointHandler extends ElementHandler {
 769         private final FreeformFinSet finset;
 770         private final ArrayList<Coordinate> coordinates = new ArrayList<Coordinate>();
 771
 772         public FinSetPointHandler(FreeformFinSet finset) {
 773                 this.finset = finset;
 774         }
 775
 776         @Override
 777         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 778                         WarningSet warnings) {
 779                 return PlainTextHandler.INSTANCE;
 780         }
 781
 782
 783         @Override
 784         public void closeElement(String element, HashMap<String, String> attributes,
 785                         String content, WarningSet warnings) throws SAXException {
 786
 787                 String strx = attributes.remove("x");
 788                 String stry = attributes.remove("y");
 789                 if (strx == null || stry == null) {
 790                         warnings.add(Warning.fromString("Illegal fin points specification, ignoring."));
 791                         return;
 792                 }
 793                 try {
 794                         double x = Double.parseDouble(strx);
 795                         double y = Double.parseDouble(stry);
 796                         coordinates.add(new Coordinate(x,y));
 797                 } catch (NumberFormatException e) {
 798                         warnings.add(Warning.fromString("Illegal fin points specification, ignoring."));
 799                         return;
 800                 }
 801
 802                 super.closeElement(element, attributes, content, warnings);
 803         }
 804
 805         @Override
 806         public void endHandler(String element, HashMap<String, String> attributes,
 807                         String content, WarningSet warnings) {
 808                 try {
 809                         finset.setPoints(coordinates.toArray(new Coordinate[0]));
 810                 } catch (IllegalFinPointException e) {
 811                         warnings.add(Warning.fromString("Freeform fin set point definitions illegal, ignoring."));
 812                 }
 813         }
 814 }
 815
 816
 817 class MotorMountHandler extends ElementHandler {
 818         private final MotorMount mount;
 819         private MotorHandler motorHandler;
 820
 821         public MotorMountHandler(MotorMount mount) {
 822                 this.mount = mount;
 823                 mount.setMotorMount(true);
 824         }
 825
 826         @Override
 827         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 828                         WarningSet warnings) {
 829
 830                 if (element.equals("motor")) {
 831                         motorHandler = new MotorHandler();
 832                         return motorHandler;
 833                 }
 834
 835                 if (element.equals("ignitionevent") ||
 836                                 element.equals("ignitiondelay") ||
 837                                 element.equals("overhang")) {
 838                         return PlainTextHandler.INSTANCE;
 839                 }
 840
 841                 warnings.add(Warning.fromString("Unknown element '"+element+"' encountered, ignoring."));
 842                 return null;
 843         }
 844
 845
 846
 847         @Override
 848         public void closeElement(String element, HashMap<String, String> attributes,
 849                         String content, WarningSet warnings) throws SAXException {
 850
 851                 if (element.equals("motor")) {
 852                         String id = attributes.get("configid");
 853                         if (id == null || id.equals("")) {
 854                                 warnings.add(Warning.fromString("Illegal motor specification, ignoring."));
 855                                 return;
 856                         }
 857
 858                         Motor motor = motorHandler.getMotor(warnings);
 859                         mount.setMotor(id, motor);
 860                         mount.setMotorDelay(id, motorHandler.getDelay(warnings));
 861                         return;
 862                 }
 863
 864                 if (element.equals("ignitionevent")) {
 865                         MotorMount.IgnitionEvent event = null;
 866                         for (MotorMount.IgnitionEvent e : MotorMount.IgnitionEvent.values()) {
 867                                 if (e.name().toLowerCase().replaceAll("_", "").equals(content)) {
 868                                         event = e;
 869                                         break;
 870                                 }
 871                         }
 872                         if (event == null) {
 873                                 warnings.add(Warning.fromString("Unknown ignition event type '"+content+"', ignoring."));
 874                                 return;
 875                         }
 876                         mount.setIgnitionEvent(event);
 877                         return;
 878                 }
 879
 880                 if (element.equals("ignitiondelay")) {
 881                         double d;
 882                         try {
 883                                 d = Double.parseDouble(content);
 884                         } catch (NumberFormatException nfe) {
 885                                 warnings.add(Warning.fromString("Illegal ignition delay specified, ignoring."));
 886                                 return;
 887                         }
 888                         mount.setIgnitionDelay(d);
 889                         return;
 890                 }
 891
 892                 if (element.equals("overhang")) {
 893                         double d;
 894                         try {
 895                                 d = Double.parseDouble(content);
 896                         } catch (NumberFormatException nfe) {
 897                                 warnings.add(Warning.fromString("Illegal overhang specified, ignoring."));
 898                                 return;
 899                         }
 900                         mount.setMotorOverhang(d);
 901                         return;
 902                 }
 903
 904                 super.closeElement(element, attributes, content, warnings);
 905         }
 906 }
 907
 908
 909
 910
 911 class MotorConfigurationHandler extends ElementHandler {
 912         private final Rocket rocket;
 913         private String name = null;
 914         private boolean inNameElement = false;
 915
 916         public MotorConfigurationHandler(Rocket rocket) {
 917                 this.rocket = rocket;
 918         }
 919
 920         @Override
 921         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 922                         WarningSet warnings) {
 923
 924                 if (inNameElement || !element.equals("name")) {
 925                         warnings.add(Warning.FILE_INVALID_PARAMETER);
 926                         return null;
 927                 }
 928                 inNameElement = true;
 929
 930                 return PlainTextHandler.INSTANCE;
 931         }
 932
 933         @Override
 934         public void closeElement(String element, HashMap<String, String> attributes,
 935                         String content, WarningSet warnings) {
 936                 name = content;
 937         }
 938
 939         @Override
 940         public void endHandler(String element, HashMap<String, String> attributes,
 941                         String content, WarningSet warnings) throws SAXException {
 942
 943                 String configid = attributes.remove("configid");
 944                 if (configid == null || configid.equals("")) {
 945                         warnings.add(Warning.FILE_INVALID_PARAMETER);
 946                         return;
 947                 }
 948
 949                 if (!rocket.addMotorConfigurationID(configid)) {
 950                         warnings.add("Duplicate motor configuration ID used.");
 951                         return;
 952                 }
 953
 954                 if (name != null && name.trim().length() > 0) {
 955                         rocket.setMotorConfigurationName(configid, name);
 956                 }
 957
 958                 if ("true".equals(attributes.remove("default"))) {
 959                         rocket.getDefaultConfiguration().setMotorConfigurationID(configid);
 960                 }
 961
 962                 super.closeElement(element, attributes, content, warnings);
 963         }
 964 }
 965
 966
 967 class MotorHandler extends ElementHandler {
 968         private Motor.Type type = null;
 969         private String manufacturer = null;
 970         private String designation = null;
 971         private double diameter = Double.NaN;
 972         private double length = Double.NaN;
 973         private double delay = Double.NaN;
 974
 975         @Override
 976         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 977                         WarningSet warnings) {
 978                 return PlainTextHandler.INSTANCE;
 979         }
 980
 981
 982         /**
 983          * Return the motor to use, or null.
 984          */
 985         public Motor getMotor(WarningSet warnings) {
 986                 if (designation == null) {
 987                         warnings.add(Warning.fromString("No motor specified, ignoring."));
 988                         return null;
 989                 }
 990                 Motor[] motors = Databases.findMotors(type, manufacturer, designation, diameter, length);
 991                 if (motors.length == 0) {
 992                         String str = "No motor with designation '"+designation+"'";
 993                         if (manufacturer != null)
 994                                 str += " for manufacturer '" + manufacturer + "'";
 995                         warnings.add(Warning.fromString(str + " found."));
 996                         return null;
 997                 }
 998                 if (motors.length > 1) {
 999                         String str = "Multiple motors with designation '"+designation+"'";
1000                         if (manufacturer != null)
1001                                 str += " for manufacturer '" + manufacturer + "'";
1002                         warnings.add(Warning.fromString(str + " found, one chosen arbitrarily."));
1003                 }
1004                 return motors[0];
1005         }
1006
1007
1008         /**
1009          * Return the delay to use for the motor.
1010          */
1011         public double getDelay(WarningSet warnings) {
1012                 if (Double.isNaN(delay)) {
1013                         warnings.add(Warning.fromString("Motor delay not specified, assuming no ejection charge."));
1014                         return Motor.PLUGGED;
1015                 }
1016                 return delay;
1017         }
1018
1019
1020         @Override
1021         public void closeElement(String element, HashMap<String, String> attributes,
1022                         String content, WarningSet warnings) throws SAXException {
1023
1024                 content = content.trim();
1025
1026                 if (element.equals("type")) {
1027
1028                         // Motor type
1029                         type = null;
1030                         for (Motor.Type t: Motor.Type.values()) {
1031                                 if (t.name().toLowerCase().equals(content)) {
1032                                         type = t;
1033                                         break;
1034                                 }
1035                         }
1036                         if (type == null) {
1037                                 warnings.add(Warning.fromString("Unknown motor type '"+content+"', ignoring."));
1038                         }
1039
1040                 } else if (element.equals("manufacturer")) {
1041
1042                         // Manufacturer
1043                         manufacturer = content;
1044
1045                 } else if (element.equals("designation")) {
1046
1047                         // Designation
1048                         designation = content;
1049
1050                 } else if (element.equals("diameter")) {
1051
1052                         // Diameter
1053                         diameter = Double.NaN;
1054                         try {
1055                                 diameter = Double.parseDouble(content);
1056                         } catch (NumberFormatException e) {
1057                                 // Ignore
1058                         }
1059                         if (Double.isNaN(diameter)) {
1060                                 warnings.add(Warning.fromString("Illegal motor diameter specified, ignoring."));
1061                         }
1062
1063                 } else if (element.equals("length")) {
1064
1065                         // Length
1066                         length = Double.NaN;
1067                         try {
1068                                 length = Double.parseDouble(content);
1069                         } catch (NumberFormatException ignore) { }
1070
1071                         if (Double.isNaN(length)) {
1072                                 warnings.add(Warning.fromString("Illegal motor diameter specified, ignoring."));
1073                         }
1074
1075                 } else if (element.equals("delay")) {
1076
1077                         // Delay
1078                         delay = Double.NaN;
1079                         if (content.equals("none")) {
1080                                 delay = Motor.PLUGGED;
1081                         } else {
1082                                 try {
1083                                         delay = Double.parseDouble(content);
1084                                 } catch (NumberFormatException ignore) { }
1085
1086                                 if (Double.isNaN(delay)) {
1087                                         warnings.add(Warning.fromString("Illegal motor delay specified, ignoring."));
1088                                 }
1089
1090                         }
1091
1092                 } else {
1093                         super.closeElement(element, attributes, content, warnings);
1094                 }
1095         }
1096
1097 }
1098
1099
1100
1101 class SimulationsHandler extends ElementHandler {
1102         private final OpenRocketDocument doc;
1103         private SingleSimulationHandler handler;
1104
1105         public SimulationsHandler(OpenRocketDocument doc) {
1106                 this.doc = doc;
1107         }
1108
1109         @Override
1110         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1111                         WarningSet warnings) {
1112
1113                 if (!element.equals("simulation")) {
1114                         warnings.add("Unknown element '"+element+"', ignoring.");
1115                         return null;
1116                 }
1117
1118                 handler = new SingleSimulationHandler(doc);
1119                 return handler;
1120         }
1121
1122         @Override
1123         public void closeElement(String element, HashMap<String, String> attributes,
1124                         String content, WarningSet warnings) throws SAXException {
1125                 attributes.remove("status");
1126                 super.closeElement(element, attributes, content, warnings);
1127         }
1128
1129
1130 }
1131
1132 class SingleSimulationHandler extends ElementHandler {
1133
1134         private final OpenRocketDocument doc;
1135
1136         private String name;
1137
1138         private SimulationConditionsHandler conditionHandler;
1139         private FlightDataHandler dataHandler;
1140
1141         private final List<String> listeners = new ArrayList<String>();
1142
1143         public SingleSimulationHandler(OpenRocketDocument doc) {
1144                 this.doc = doc;
1145         }
1146
1147
1148
1149         @Override
1150         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1151                         WarningSet warnings) {
1152
1153                 if (element.equals("name") || element.equals("simulator") ||
1154                                 element.equals("calculator") || element.equals("listener")) {
1155                         return PlainTextHandler.INSTANCE;
1156                 } else if (element.equals("conditions")) {
1157                         conditionHandler = new SimulationConditionsHandler(doc.getRocket());
1158                         return conditionHandler;
1159                 } else if (element.equals("flightdata")) {
1160                         dataHandler = new FlightDataHandler();
1161                         return dataHandler;
1162                 } else {
1163                         warnings.add("Unknown element '"+element+"', ignoring.");
1164                         return null;
1165                 }
1166         }
1167
1168         @Override
1169         public void closeElement(String element, HashMap<String, String> attributes,
1170                         String content, WarningSet warnings) {
1171
1172                 if (element.equals("name")) {
1173                         name = content;
1174                 } else if (element.equals("simulator")) {
1175                         if (!content.trim().equals("RK4Simulator")) {
1176                                 warnings.add("Unknown simulator '" + content.trim() + "' specified, ignoring.");
1177                         }
1178                 } else if (element.equals("calculator")) {
1179                         if (!content.trim().equals("BarrowmanCalculator")) {
1180                                 warnings.add("Unknown calculator '" + content.trim() + "' specified, ignoring.");
1181                         }
1182                 } else if (element.equals("listener") && content.trim().length() > 0) {
1183                         listeners.add(content.trim());
1184                 }
1185
1186         }
1187
1188         @Override
1189         public void endHandler(String element, HashMap<String, String> attributes,
1190                         String content, WarningSet warnings) {
1191
1192                 String s = attributes.get("status");
1193                 Simulation.Status status = (Status) DocumentConfig.findEnum(s, Simulation.Status.class);
1194                 if (status == null) {
1195                         warnings.add("Simulation status unknown, assuming outdated.");
1196                         status = Simulation.Status.OUTDATED;
1197                 }
1198
1199                 SimulationConditions conditions;
1200                 if (conditionHandler != null) {
1201                         conditions = conditionHandler.getConditions();
1202                 } else {
1203                         warnings.add("Simulation conditions not defined, using defaults.");
1204                         conditions = new SimulationConditions(doc.getRocket());
1205                 }
1206
1207                 if (name == null)
1208                         name = "Simulation";
1209
1210                 FlightData data;
1211                 if (dataHandler == null)
1212                         data = null;
1213                 else
1214                         data = dataHandler.getFlightData();
1215
1216                 Simulation simulation = new Simulation(doc.getRocket(), status, name,
1217                                 conditions, listeners, data);
1218
1219                 doc.addSimulation(simulation);
1220         }
1221 }
1222
1223
1224
1225 class SimulationConditionsHandler extends ElementHandler {
1226         private SimulationConditions conditions;
1227         private AtmosphereHandler atmosphereHandler;
1228
1229         public SimulationConditionsHandler(Rocket rocket) {
1230                 conditions = new SimulationConditions(rocket);
1231         }
1232
1233         public SimulationConditions getConditions() {
1234                 return conditions;
1235         }
1236
1237         @Override
1238         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1239                         WarningSet warnings) {
1240                 if (element.equals("atmosphere")) {
1241                         atmosphereHandler = new AtmosphereHandler(attributes.get("model"));
1242                         return atmosphereHandler;
1243                 }
1244                 return PlainTextHandler.INSTANCE;
1245         }
1246
1247         @Override
1248         public void closeElement(String element, HashMap<String, String> attributes,
1249                         String content, WarningSet warnings) {
1250
1251                 double d = Double.NaN;
1252                 try {
1253                         d = Double.parseDouble(content);
1254                 } catch (NumberFormatException ignore) { }
1255
1256
1257                 if (element.equals("configid")) {
1258                         if (content.equals("")) {
1259                                 conditions.setMotorConfigurationID(null);
1260                         } else {
1261                                 conditions.setMotorConfigurationID(content);
1262                         }
1263                 } else if (element.equals("launchrodlength")) {
1264                         if (Double.isNaN(d)) {
1265                                 warnings.add("Illegal launch rod length defined, ignoring.");
1266                         } else {
1267                                 conditions.setLaunchRodLength(d);
1268                         }
1269                 } else if (element.equals("launchrodangle")) {
1270                         if (Double.isNaN(d)) {
1271                                 warnings.add("Illegal launch rod angle defined, ignoring.");
1272                         } else {
1273                                 conditions.setLaunchRodAngle(d*Math.PI/180);
1274                         }
1275                 } else if (element.equals("launchroddirection")) {
1276                         if (Double.isNaN(d)) {
1277                                 warnings.add("Illegal launch rod direction defined, ignoring.");
1278                         } else {
1279                                 conditions.setLaunchRodDirection(d*Math.PI/180);
1280                         }
1281                 } else if (element.equals("windaverage")) {
1282                         if (Double.isNaN(d)) {
1283                                 warnings.add("Illegal average windspeed defined, ignoring.");
1284                         } else {
1285                                 conditions.setWindSpeedAverage(d);
1286                         }
1287                 } else if (element.equals("windturbulence")) {
1288                         if (Double.isNaN(d)) {
1289                                 warnings.add("Illegal wind turbulence intensity defined, ignoring.");
1290                         } else {
1291                                 conditions.setWindTurbulenceIntensity(d);
1292                         }
1293                 } else if (element.equals("launchaltitude")) {
1294                         if (Double.isNaN(d)) {
1295                                 warnings.add("Illegal launch altitude defined, ignoring.");
1296                         } else {
1297                                 conditions.setLaunchAltitude(d);
1298                         }
1299                 } else if (element.equals("launchlatitude")) {
1300                         if (Double.isNaN(d)) {
1301                                 warnings.add("Illegal launch latitude defined, ignoring.");
1302                         } else {
1303                                 conditions.setLaunchLatitude(d);
1304                         }
1305                 } else if (element.equals("atmosphere")) {
1306                         atmosphereHandler.storeSettings(conditions, warnings);
1307                 } else if (element.equals("timestep")) {
1308                         if (Double.isNaN(d)) {
1309                                 warnings.add("Illegal time step defined, ignoring.");
1310                         } else {
1311                                 conditions.setTimeStep(d);
1312                         }
1313                 }
1314         }
1315 }
1316
1317
1318 class AtmosphereHandler extends ElementHandler {
1319         private final String model;
1320         private double temperature = Double.NaN;
1321         private double pressure = Double.NaN;
1322
1323         public AtmosphereHandler(String model) {
1324                 this.model = model;
1325         }
1326
1327         @Override
1328         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1329                         WarningSet warnings) {
1330                 return PlainTextHandler.INSTANCE;
1331         }
1332
1333         @Override
1334         public void closeElement(String element, HashMap<String, String> attributes,
1335                         String content, WarningSet warnings) throws SAXException {
1336
1337                 double d = Double.NaN;
1338                 try {
1339                         d = Double.parseDouble(content);
1340                 } catch (NumberFormatException ignore) { }
1341
1342                 if (element.equals("basetemperature")) {
1343                         if (Double.isNaN(d)) {
1344                                 warnings.add("Illegal base temperature specified, ignoring.");
1345                         }
1346                         temperature = d;
1347                 } else if (element.equals("basepressure")) {
1348                         if (Double.isNaN(d)) {
1349                                 warnings.add("Illegal base pressure specified, ignoring.");
1350                         }
1351                         pressure = d;
1352                 } else {
1353                         super.closeElement(element, attributes, content, warnings);
1354                 }
1355         }
1356
1357
1358         public void storeSettings(SimulationConditions cond, WarningSet warnings) {
1359                 if (!Double.isNaN(pressure)) {
1360                         cond.setLaunchPressure(pressure);
1361                 }
1362                 if (!Double.isNaN(temperature)) {
1363                         cond.setLaunchTemperature(temperature);
1364                 }
1365
1366                 if ("isa".equals(model)) {
1367                         cond.setISAAtmosphere(true);
1368                 } else if ("extendedisa".equals(model)){
1369                         cond.setISAAtmosphere(false);
1370                 } else {
1371                         cond.setISAAtmosphere(true);
1372                         warnings.add("Unknown atmospheric model, using ISA.");
1373                 }
1374         }
1375
1376 }
1377
1378
1379 class FlightDataHandler extends ElementHandler {
1380
1381         private FlightDataBranchHandler dataHandler;
1382         private WarningSet warningSet = new WarningSet();
1383         private List<FlightDataBranch> branches = new ArrayList<FlightDataBranch>();
1384
1385         private FlightData data;
1386
1387         public FlightData getFlightData() {
1388                 return data;
1389         }
1390
1391         @Override
1392         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1393                         WarningSet warnings) {
1394
1395                 if (element.equals("warning")) {
1396                         return PlainTextHandler.INSTANCE;
1397                 }
1398                 if (element.equals("databranch")) {
1399                         if (attributes.get("name") == null || attributes.get("types")==null) {
1400                                 warnings.add("Illegal flight data definition, ignoring.");
1401                                 return null;
1402                         }
1403                         dataHandler =  new FlightDataBranchHandler(attributes.get("name"),
1404                                         attributes.get("types"));
1405                         return dataHandler;
1406                 }
1407
1408                 warnings.add("Unknown element '"+element+"' encountered, ignoring.");
1409                 return null;
1410         }
1411
1412
1413         @Override
1414         public void closeElement(String element, HashMap<String, String> attributes,
1415                         String content, WarningSet warnings) {
1416
1417                 if (element.equals("databranch")) {
1418                         FlightDataBranch branch = dataHandler.getBranch();
1419                         if (branch.getLength() > 0) {
1420                                 branches.add(branch);
1421                         }
1422                 } else if (element.equals("warning")) {
1423                         warningSet.add(Warning.fromString(content));
1424                 }
1425         }
1426
1427
1428         @Override
1429         public void endHandler(String element, HashMap<String, String> attributes,
1430                         String content, WarningSet warnings) {
1431
1432                 if (branches.size() > 0) {
1433                         data = new FlightData(branches.toArray(new FlightDataBranch[0]));
1434                 } else {
1435                         double maxAltitude = Double.NaN;
1436                         double maxVelocity = Double.NaN;
1437                         double maxAcceleration = Double.NaN;
1438                         double maxMach = Double.NaN;
1439                         double timeToApogee = Double.NaN;
1440                         double flightTime = Double.NaN;
1441                         double groundHitVelocity = Double.NaN;
1442
1443                         try {
1444                                 maxAltitude = DocumentConfig.stringToDouble(attributes.get("maxaltitude"));
1445                         } catch (NumberFormatException ignore) { }
1446                         try {
1447                                 maxVelocity = DocumentConfig.stringToDouble(attributes.get("maxvelocity"));
1448                         } catch (NumberFormatException ignore) { }
1449                         try {
1450                                 maxAcceleration = DocumentConfig.stringToDouble(attributes.get("maxacceleration"));
1451                         } catch (NumberFormatException ignore) { }
1452                         try {
1453                                 maxMach = DocumentConfig.stringToDouble(attributes.get("maxmach"));
1454                         } catch (NumberFormatException ignore) { }
1455                         try {
1456                                 timeToApogee = DocumentConfig.stringToDouble(attributes.get("timetoapogee"));
1457                         } catch (NumberFormatException ignore) { }
1458                         try {
1459                                 flightTime = DocumentConfig.stringToDouble(attributes.get("flighttime"));
1460                         } catch (NumberFormatException ignore) { }
1461                         try {
1462                                 groundHitVelocity =
1463                                         DocumentConfig.stringToDouble(attributes.get("groundhitvelocity"));
1464                         } catch (NumberFormatException ignore) { }
1465
1466                         data = new FlightData(maxAltitude, maxVelocity, maxAcceleration, maxMach,
1467                                         timeToApogee, flightTime, groundHitVelocity);
1468                 }
1469
1470                 data.getWarningSet().addAll(warningSet);
1471         }
1472
1473
1474 }
1475
1476
1477 class FlightDataBranchHandler extends ElementHandler {
1478         private final FlightDataBranch.Type[] types;
1479         private final FlightDataBranch branch;
1480
1481         public FlightDataBranchHandler(String name, String typeList) {
1482                 String[] split = typeList.split(",");
1483                 types = new FlightDataBranch.Type[split.length];
1484                 for (int i=0; i < split.length; i++) {
1485                         types[i] = FlightDataBranch.getType(split[i], UnitGroup.UNITS_NONE);
1486                 }
1487
1488                 // TODO: LOW: May throw an IllegalArgumentException
1489                 branch = new FlightDataBranch(name, types);
1490         }
1491
1492         public FlightDataBranch getBranch() {
1493                 branch.immute();
1494                 return branch;
1495         }
1496
1497         @Override
1498         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1499                         WarningSet warnings) {
1500
1501                 if (element.equals("datapoint"))
1502                         return PlainTextHandler.INSTANCE;
1503                 if (element.equals("event"))
1504                         return PlainTextHandler.INSTANCE;
1505
1506                 warnings.add("Unknown element '"+element+"' encountered, ignoring.");
1507                 return null;
1508         }
1509
1510
1511         @Override
1512         public void closeElement(String element, HashMap<String, String> attributes,
1513                         String content, WarningSet warnings) {
1514
1515                 if (element.equals("event")) {
1516                         double time;
1517                         FlightEvent.Type type;
1518
1519                         try {
1520                                 time = DocumentConfig.stringToDouble(attributes.get("time"));
1521                         } catch (NumberFormatException e) {
1522                                 warnings.add("Illegal event specification, ignoring.");
1523                                 return;
1524                         }
1525
1526                         type = (Type) DocumentConfig.findEnum(attributes.get("type"), FlightEvent.Type.class);
1527                         if (type == null) {
1528                                 warnings.add("Illegal event specification, ignoring.");
1529                                 return;
1530                         }
1531
1532                         branch.addEvent(time, new FlightEvent(type, time));
1533                         return;
1534                 }
1535
1536                 if (!element.equals("datapoint")) {
1537                         warnings.add("Unknown element '"+element+"' encountered, ignoring.");
1538                         return;
1539                 }
1540
1541                 // element == "datapoint"
1542
1543
1544                 // Check line format
1545                 String[] split = content.split(",");
1546                 if (split.length != types.length) {
1547                         warnings.add("Data point did not contain correct amount of values, ignoring point.");
1548                         return;
1549                 }
1550
1551                 // Parse the doubles
1552                 double[] values = new double[split.length];
1553                 for (int i=0; i < values.length; i++) {
1554                         try {
1555                                 values[i] = DocumentConfig.stringToDouble(split[i]);
1556                         } catch (NumberFormatException e) {
1557                                 warnings.add("Data point format error, ignoring point.");
1558                                 return;
1559                         }
1560                 }
1561
1562                 // Add point to branch
1563                 branch.addPoint();
1564                 for (int i=0; i < types.length; i++) {
1565                         branch.setValue(types[i], values[i]);
1566                 }
1567         }
1568 }
1569
1570
1571
1572
1573
1574
1575 /////////////////    Setters implementation
1576
1577
1578 ////  Interface
1579 interface Setter {
1580         /**
1581          * Set the specified value to the given component.
1582          *
1583          * @param component             the component to which to set.
1584          * @param value                 the value within the element.
1585          * @param attributes    attributes for the element.
1586          * @param warnings              the warning set to use.
1587          */
1588         public void set(RocketComponent component, String value,
1589                         HashMap<String, String> attributes, WarningSet warnings);
1590 }
1591
1592
1593 ////  StringSetter - sets the value to the contained String
1594 class StringSetter implements Setter {
1595         private final Reflection.Method setMethod;
1596
1597         public StringSetter(Reflection.Method set) {
1598                 setMethod = set;
1599         }
1600
1601         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1602                         WarningSet warnings) {
1603                 setMethod.invoke(c, s);
1604         }
1605 }
1606
1607 ////  IntSetter - set an integer value
1608 class IntSetter implements Setter {
1609         private final Reflection.Method setMethod;
1610
1611         public IntSetter(Reflection.Method set) {
1612                 setMethod = set;
1613         }
1614
1615         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1616                         WarningSet warnings) {
1617                 try {
1618                         int n = Integer.parseInt(s);
1619                         setMethod.invoke(c, n);
1620                 } catch (NumberFormatException e) {
1621                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1622                 }
1623         }
1624 }
1625
1626
1627 //// BooleanSetter - set a boolean value
1628 class BooleanSetter implements Setter {
1629         private final Reflection.Method setMethod;
1630
1631         public BooleanSetter(Reflection.Method set) {
1632                 setMethod = set;
1633         }
1634
1635         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1636                         WarningSet warnings) {
1637
1638                 s = s.trim();
1639                 if (s.equalsIgnoreCase("true")) {
1640                         setMethod.invoke(c, true);
1641                 } else if (s.equalsIgnoreCase("false")) {
1642                         setMethod.invoke(c, false);
1643                 } else {
1644                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1645                 }
1646         }
1647 }
1648
1649
1650
1651 ////  DoubleSetter - sets a double value or (alternatively) if a specific string is encountered
1652 ////  calls a setXXX(boolean) method.
1653 class DoubleSetter implements Setter {
1654         private final Reflection.Method setMethod;
1655         private final String specialString;
1656         private final Reflection.Method specialMethod;
1657         private final double multiplier;
1658
1659         /**
1660          * Set only the double value.
1661          * @param set   set method for the double value.
1662          */
1663         public DoubleSetter(Reflection.Method set) {
1664                 this.setMethod = set;
1665                 this.specialString = null;
1666                 this.specialMethod = null;
1667                 this.multiplier = 1.0;
1668         }
1669
1670         /**
1671          * Multiply with the given multiplier and set the double value.
1672          * @param set   set method for the double value.
1673          * @param mul   multiplier.
1674          */
1675         public DoubleSetter(Reflection.Method set, double mul) {
1676                 this.setMethod = set;
1677                 this.specialString = null;
1678                 this.specialMethod = null;
1679                 this.multiplier = mul;
1680         }
1681
1682         /**
1683          * Set the double value, or if the value equals the special string, use the
1684          * special setter and set it to true.
1685          *
1686          * @param set                   double setter.
1687          * @param special               special string
1688          * @param specialMethod boolean setter.
1689          */
1690         public DoubleSetter(Reflection.Method set, String special,
1691                         Reflection.Method specialMethod) {
1692                 this.setMethod = set;
1693                 this.specialString = special;
1694                 this.specialMethod = specialMethod;
1695                 this.multiplier = 1.0;
1696         }
1697
1698
1699         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1700                         WarningSet warnings) {
1701
1702                 s = s.trim();
1703
1704                 // Check for special case
1705                 if (specialMethod != null && s.equalsIgnoreCase(specialString)) {
1706                         specialMethod.invoke(c, true);
1707                         return;
1708                 }
1709
1710                 // Normal case
1711                 try {
1712                         double d = Double.parseDouble(s);
1713                         setMethod.invoke(c, d * multiplier);
1714                 } catch (NumberFormatException e) {
1715                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1716                 }
1717         }
1718 }
1719
1720
1721 class OverrideSetter implements Setter {
1722         private final Reflection.Method setMethod;
1723         private final Reflection.Method enabledMethod;
1724
1725         public OverrideSetter(Reflection.Method set, Reflection.Method enabledMethod) {
1726                 this.setMethod = set;
1727                 this.enabledMethod = enabledMethod;
1728         }
1729
1730         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1731                         WarningSet warnings) {
1732
1733                 try {
1734                         double d = Double.parseDouble(s);
1735                         setMethod.invoke(c, d);
1736                         enabledMethod.invoke(c, true);
1737                 } catch (NumberFormatException e) {
1738                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1739                 }
1740         }
1741 }
1742
1743 ////  EnumSetter  -  sets a generic enum type
1744 class EnumSetter<T extends Enum<T>> implements Setter {
1745         private final Reflection.Method setter;
1746         private final Class<T> enumClass;
1747
1748         public EnumSetter(Reflection.Method set, Class<T> enumClass) {
1749                 this.setter = set;
1750                 this.enumClass = enumClass;
1751         }
1752
1753         @Override
1754         public void set(RocketComponent c, String name, HashMap<String, String> attributes,
1755                         WarningSet warnings) {
1756
1757                 Enum<?> setEnum = DocumentConfig.findEnum(name, enumClass);
1758                 if (setEnum == null) {
1759                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1760                         return;
1761                 }
1762
1763                 setter.invoke(c, setEnum);
1764         }
1765 }
1766
1767
1768 ////  ColorSetter  -  sets a Color value
1769 class ColorSetter implements Setter {
1770         private final Reflection.Method setMethod;
1771
1772         public ColorSetter(Reflection.Method set) {
1773                 setMethod = set;
1774         }
1775
1776         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1777                         WarningSet warnings) {
1778
1779                 String red = attributes.get("red");
1780                 String green = attributes.get("green");
1781                 String blue = attributes.get("blue");
1782
1783                 if (red == null || green == null || blue == null) {
1784                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1785                         return;
1786                 }
1787
1788                 int r, g, b;
1789                 try {
1790                         r = Integer.parseInt(red);
1791                         g = Integer.parseInt(green);
1792                         b = Integer.parseInt(blue);
1793                 } catch (NumberFormatException e) {
1794                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1795                         return;
1796                 }
1797
1798                 if (r < 0 || g < 0 || b < 0 || r > 255 || g > 255 || b > 255) {
1799                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1800                         return;
1801                 }
1802
1803                 Color color = new Color(r, g, b);
1804                 setMethod.invoke(c, color);
1805
1806                 if (!s.trim().equals("")) {
1807                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1808                 }
1809         }
1810 }
1811
1812
1813
1814 class MaterialSetter implements Setter {
1815         private final Reflection.Method setMethod;
1816         private final Material.Type type;
1817
1818         public MaterialSetter(Reflection.Method set, Material.Type type) {
1819                 this.setMethod = set;
1820                 this.type = type;
1821         }
1822
1823         public void set(RocketComponent c, String name, HashMap<String, String> attributes,
1824                         WarningSet warnings) {
1825
1826                 Material mat;
1827
1828                 // Check name != ""
1829                 name = name.trim();
1830                 if (name.equals("")) {
1831                         warnings.add(Warning.fromString("Illegal material specification, ignoring."));
1832                         return;
1833                 }
1834
1835                 // Parse density
1836                 double density;
1837                 String str;
1838                 str = attributes.remove("density");
1839                 if (str == null) {
1840                         warnings.add(Warning.fromString("Illegal material specification, ignoring."));
1841                         return;
1842                 }
1843                 try {
1844                         density = Double.parseDouble(str);
1845                 } catch (NumberFormatException e) {
1846                         warnings.add(Warning.fromString("Illegal material specification, ignoring."));
1847                         return;
1848                 }
1849
1850                 // Parse thickness
1851 //              double thickness = 0;
1852 //              str = attributes.remove("thickness");
1853 //              try {
1854 //                      if (str != null)
1855 //                              thickness = Double.parseDouble(str);
1856 //              } catch (NumberFormatException e){
1857 //                      warnings.add(Warning.fromString("Illegal material specification, ignoring."));
1858 //                      return;
1859 //              }
1860
1861                 // Check type if specified
1862                 str = attributes.remove("type");
1863                 if (str != null  &&  !type.name().toLowerCase().equals(str)) {
1864                         warnings.add(Warning.fromString("Illegal material type specified, ignoring."));
1865                         return;
1866                 }
1867
1868                 mat = Databases.findMaterial(type, name, density, false);
1869
1870                 setMethod.invoke(c, mat);
1871         }
1872 }
1873
1874
1875
1876
1877 class PositionSetter implements Setter {
1878
1879         public void set(RocketComponent c, String value, HashMap<String, String> attributes,
1880                         WarningSet warnings) {
1881
1882                 RocketComponent.Position type = (Position) DocumentConfig.findEnum(attributes.get("type"),
1883                                 RocketComponent.Position.class);
1884                 if (type == null) {
1885                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1886                         return;
1887                 }
1888
1889                 double pos;
1890                 try {
1891                         pos = Double.parseDouble(value);
1892                 } catch (NumberFormatException e) {
1893                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1894                         return;
1895                 }
1896
1897                 if (c instanceof FinSet) {
1898                         ((FinSet)c).setRelativePosition(type);
1899                         c.setPositionValue(pos);
1900                 } else if (c instanceof LaunchLug) {
1901                         ((LaunchLug)c).setRelativePosition(type);
1902                         c.setPositionValue(pos);
1903                 } else if (c instanceof InternalComponent) {
1904                         ((InternalComponent)c).setRelativePosition(type);
1905                         c.setPositionValue(pos);
1906                 } else {
1907                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1908                 }
1909
1910         }
1911 }
1912
1913
1914 class FinTabPositionSetter extends DoubleSetter {
1915
1916         public FinTabPositionSetter() {
1917                 super(Reflection.findMethodStatic(FinSet.class, "setTabShift", double.class));
1918         }
1919
1920         @Override
1921         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1922                         WarningSet warnings) {
1923
1924                 if (!(c instanceof FinSet)) {
1925                         throw new IllegalStateException("FinTabPositionSetter called for component " + c);
1926                 }
1927
1928                 String relative = attributes.get("relativeto");
1929                 FinSet.TabRelativePosition position =
1930                         (TabRelativePosition) DocumentConfig.findEnum(relative,
1931                                         FinSet.TabRelativePosition.class);
1932
1933                 if (position != null) {
1934
1935                         ((FinSet)c).setTabRelativePosition(position);
1936
1937                 } else {
1938                         if (relative == null) {
1939                                 warnings.add("Required attribute 'relativeto' not found for fin tab position.");
1940                         } else {
1941                                 warnings.add("Illegal attribute value '" + relative + "' encountered.");
1942                         }
1943                 }
1944
1945                 super.set(c, s, attributes, warnings);
1946         }
1947
1948
1949 }
1950
1951
1952 class ClusterConfigurationSetter implements Setter {
1953
1954         public void set(RocketComponent component, String value, HashMap<String, String> attributes,
1955                         WarningSet warnings) {
1956
1957                 if (!(component instanceof Clusterable)) {
1958                         warnings.add("Illegal component defined as cluster.");
1959                         return;
1960                 }
1961
1962                 ClusterConfiguration config = null;
1963                 for (ClusterConfiguration c: ClusterConfiguration.CONFIGURATIONS) {
1964                         if (c.getXMLName().equals(value)) {
1965                                 config = c;
1966                                 break;
1967                         }
1968                 }
1969
1970                 if (config == null) {
1971                         warnings.add("Illegal cluster configuration specified.");
1972                         return;
1973                 }
1974
1975                 ((Clusterable)component).setClusterConfiguration(config);
1976         }
1977 }
1978
1979