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

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