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 import java.util.Stack;
  12
  13 import net.sf.openrocket.aerodynamics.Warning;
  14 import net.sf.openrocket.aerodynamics.WarningSet;
  15 import net.sf.openrocket.database.Databases;
  16 import net.sf.openrocket.document.OpenRocketDocument;
  17 import net.sf.openrocket.document.Simulation;
  18 import net.sf.openrocket.document.StorageOptions;
  19 import net.sf.openrocket.document.Simulation.Status;
  20 import net.sf.openrocket.material.Material;
  21 import net.sf.openrocket.rocketcomponent.BodyComponent;
  22 import net.sf.openrocket.rocketcomponent.BodyTube;
  23 import net.sf.openrocket.rocketcomponent.Bulkhead;
  24 import net.sf.openrocket.rocketcomponent.CenteringRing;
  25 import net.sf.openrocket.rocketcomponent.ClusterConfiguration;
  26 import net.sf.openrocket.rocketcomponent.Clusterable;
  27 import net.sf.openrocket.rocketcomponent.EllipticalFinSet;
  28 import net.sf.openrocket.rocketcomponent.EngineBlock;
  29 import net.sf.openrocket.rocketcomponent.ExternalComponent;
  30 import net.sf.openrocket.rocketcomponent.FinSet;
  31 import net.sf.openrocket.rocketcomponent.FreeformFinSet;
  32 import net.sf.openrocket.rocketcomponent.InnerTube;
  33 import net.sf.openrocket.rocketcomponent.InternalComponent;
  34 import net.sf.openrocket.rocketcomponent.LaunchLug;
  35 import net.sf.openrocket.rocketcomponent.MassComponent;
  36 import net.sf.openrocket.rocketcomponent.MassObject;
  37 import net.sf.openrocket.rocketcomponent.Motor;
  38 import net.sf.openrocket.rocketcomponent.MotorMount;
  39 import net.sf.openrocket.rocketcomponent.NoseCone;
  40 import net.sf.openrocket.rocketcomponent.Parachute;
  41 import net.sf.openrocket.rocketcomponent.RadiusRingComponent;
  42 import net.sf.openrocket.rocketcomponent.RecoveryDevice;
  43 import net.sf.openrocket.rocketcomponent.ReferenceType;
  44 import net.sf.openrocket.rocketcomponent.RingComponent;
  45 import net.sf.openrocket.rocketcomponent.Rocket;
  46 import net.sf.openrocket.rocketcomponent.RocketComponent;
  47 import net.sf.openrocket.rocketcomponent.ShockCord;
  48 import net.sf.openrocket.rocketcomponent.Stage;
  49 import net.sf.openrocket.rocketcomponent.Streamer;
  50 import net.sf.openrocket.rocketcomponent.StructuralComponent;
  51 import net.sf.openrocket.rocketcomponent.SymmetricComponent;
  52 import net.sf.openrocket.rocketcomponent.ThicknessRingComponent;
  53 import net.sf.openrocket.rocketcomponent.Transition;
  54 import net.sf.openrocket.rocketcomponent.TrapezoidFinSet;
  55 import net.sf.openrocket.rocketcomponent.TubeCoupler;
  56 import net.sf.openrocket.rocketcomponent.ExternalComponent.Finish;
  57 import net.sf.openrocket.rocketcomponent.RocketComponent.Position;
  58 import net.sf.openrocket.simulation.FlightData;
  59 import net.sf.openrocket.simulation.FlightDataBranch;
  60 import net.sf.openrocket.simulation.FlightEvent;
  61 import net.sf.openrocket.simulation.SimulationConditions;
  62 import net.sf.openrocket.simulation.FlightEvent.Type;
  63 import net.sf.openrocket.unit.UnitGroup;
  64 import net.sf.openrocket.util.Coordinate;
  65 import net.sf.openrocket.util.LineStyle;
  66 import net.sf.openrocket.util.Reflection;
  67
  68 import org.xml.sax.Attributes;
  69 import org.xml.sax.InputSource;
  70 import org.xml.sax.SAXException;
  71 import org.xml.sax.XMLReader;
  72 import org.xml.sax.helpers.DefaultHandler;
  73 import org.xml.sax.helpers.XMLReaderFactory;
  74
  75
  76 /**
  77  * Class that loads a rocket definition from an OpenRocket rocket file.
  78  * <p>
  79  * This class uses SAX to read the XML file format.  The
  80  * {@link #loadFromStream(InputStream)} method simply sets the system up and
  81  * starts the parsing, while the actual logic is in the private inner class
  82  * <code>OpenRocketHandler</code>.
  83  *
  84  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  85  */
  86
  87 public class OpenRocketLoader extends RocketLoader {
  88
  89         @Override
  90         public OpenRocketDocument loadFromStream(InputStream source) throws RocketLoadException,
  91                         IOException {
  92                 InputSource xmlSource = new InputSource(source);
  93                 OpenRocketHandler handler = new OpenRocketHandler();
  94
  95                 DelegatorHandler xmlhandler = new DelegatorHandler(handler, warnings);
  96
  97                 try {
  98                         XMLReader parser = XMLReaderFactory.createXMLReader();
  99                         parser.setContentHandler(xmlhandler);
 100                         parser.setErrorHandler(xmlhandler);
 101                         parser.parse(xmlSource);
 102                 } catch (SAXException e) {
 103                         throw new RocketLoadException("Malformed XML in input.", e);
 104                 }
 105
 106
 107                 OpenRocketDocument doc = handler.getDocument();
 108                 doc.getDefaultConfiguration().setAllStages();
 109
 110                 // Deduce suitable time skip
 111                 double timeSkip = StorageOptions.SIMULATION_DATA_NONE;
 112                 for (Simulation s: doc.getSimulations()) {
 113                         if (s.getStatus() == Simulation.Status.EXTERNAL ||
 114                                         s.getStatus() == Simulation.Status.NOT_SIMULATED)
 115                                 continue;
 116                         if (s.getSimulatedData() == null)
 117                                 continue;
 118                         if (s.getSimulatedData().getBranchCount() == 0)
 119                                 continue;
 120                         FlightDataBranch branch = s.getSimulatedData().getBranch(0);
 121                         if (branch == null)
 122                                 continue;
 123                         List<Double> list = branch.get(FlightDataBranch.TYPE_TIME);
 124                         if (list == null)
 125                                 continue;
 126
 127                         double previousTime = Double.NaN;
 128                         for (double time: list) {
 129                                 if (time - previousTime < timeSkip)
 130                                         timeSkip = time-previousTime;
 131                                 previousTime = time;
 132                         }
 133                 }
 134                 // Round value
 135                 timeSkip = Math.rint(timeSkip*100)/100;
 136
 137                 doc.getDefaultStorageOptions().setSimulationTimeSkip(timeSkip);
 138                 doc.getDefaultStorageOptions().setCompressionEnabled(false); // Set by caller if compressed
 139                 doc.getDefaultStorageOptions().setExplicitlySet(false);
 140                 return doc;
 141         }
 142
 143 }
 144
 145
 146
 147 class DocumentConfig {
 148
 149         /* Remember to update OpenRocketSaver as well! */
 150         public static final String[] SUPPORTED_VERSIONS = { "0.9", "1.0" };
 151
 152
 153         ////////  Component constructors
 154         static final HashMap<String, Constructor<? extends RocketComponent>> constructors = new HashMap<String, Constructor<? extends RocketComponent>>();
 155         static {
 156                 try {
 157                         // External components
 158                         constructors.put("bodytube", BodyTube.class.getConstructor(new Class<?>[0]));
 159                         constructors.put("transition", Transition.class.getConstructor(new Class<?>[0]));
 160                         constructors.put("nosecone", NoseCone.class.getConstructor(new Class<?>[0]));
 161                         constructors.put("trapezoidfinset", TrapezoidFinSet.class.getConstructor(new Class<?>[0]));
 162                         constructors.put("ellipticalfinset", EllipticalFinSet.class.getConstructor(new Class<?>[0]));
 163                         constructors.put("freeformfinset", FreeformFinSet.class.getConstructor(new Class<?>[0]));
 164                         constructors.put("launchlug", LaunchLug.class.getConstructor(new Class<?>[0]));
 165
 166                         // Internal components
 167                         constructors.put("engineblock", EngineBlock.class.getConstructor(new Class<?>[0]));
 168                         constructors.put("innertube", InnerTube.class.getConstructor(new Class<?>[0]));
 169                         constructors.put("tubecoupler", TubeCoupler.class.getConstructor(new Class<?>[0]));
 170                         constructors.put("bulkhead", Bulkhead.class.getConstructor(new Class<?>[0]));
 171                         constructors.put("centeringring", CenteringRing.class.getConstructor(new Class<?>[0]));
 172
 173                         constructors.put("masscomponent", MassComponent.class.getConstructor(new Class<?>[0]));
 174                         constructors.put("shockcord", ShockCord.class.getConstructor(new Class<?>[0]));
 175                         constructors.put("parachute", Parachute.class.getConstructor(new Class<?>[0]));
 176                         constructors.put("streamer", Streamer.class.getConstructor(new Class<?>[0]));
 177
 178                         // Other
 179                         constructors.put("stage", Stage.class.getConstructor(new Class<?>[0]));
 180
 181                 } catch (NoSuchMethodException e) {
 182                         throw new RuntimeException(
 183                                         "Error in constructing the 'constructors' HashMap.");
 184                 }
 185         }
 186
 187
 188         ////////  Parameter setters
 189         /*
 190          * The keys are of the form Class:param, where Class is the class name and param
 191          * the element name.  Setters are searched for in descending class order.
 192          * A setter of null means setting the parameter is not allowed.
 193          */
 194         static final HashMap<String, Setter> setters = new HashMap<String, Setter>();
 195         static {
 196                 // RocketComponent
 197                 setters.put("RocketComponent:name", new StringSetter(
 198                                 Reflection.findMethodStatic(RocketComponent.class, "setName", String.class)));
 199                 setters.put("RocketComponent:color", new ColorSetter(
 200                                 Reflection.findMethodStatic(RocketComponent.class, "setColor", Color.class)));
 201                 setters.put("RocketComponent:linestyle", new EnumSetter<LineStyle>(
 202                                 Reflection.findMethodStatic(RocketComponent.class, "setLineStyle", LineStyle.class),
 203                                 LineStyle.class));
 204                 setters.put("RocketComponent:position", new PositionSetter());
 205                 setters.put("RocketComponent:overridemass", new OverrideSetter(
 206                                 Reflection.findMethodStatic(RocketComponent.class, "setOverrideMass", double.class),
 207                                 Reflection.findMethodStatic(RocketComponent.class, "setMassOverridden", boolean.class)));
 208                 setters.put("RocketComponent:overridecg", new OverrideSetter(
 209                                 Reflection.findMethodStatic(RocketComponent.class, "setOverrideCGX", double.class),
 210                                 Reflection.findMethodStatic(RocketComponent.class, "setCGOverridden", boolean.class)));
 211                 setters.put("RocketComponent:overridesubcomponents", new BooleanSetter(
 212                                 Reflection.findMethodStatic(RocketComponent.class, "setOverrideSubcomponents", boolean.class)));
 213                 setters.put("RocketComponent:comment", new StringSetter(
 214                                 Reflection.findMethodStatic(RocketComponent.class, "setComment", String.class)));
 215
 216                 // ExternalComponent
 217                 setters.put("ExternalComponent:finish", new EnumSetter<Finish>(
 218                                 Reflection.findMethodStatic(ExternalComponent.class, "setFinish", Finish.class),
 219                                 Finish.class));
 220                 setters.put("ExternalComponent:material", new MaterialSetter(
 221                                 Reflection.findMethodStatic(ExternalComponent.class, "setMaterial", Material.class),
 222                                 Material.Type.BULK));
 223
 224                 // BodyComponent
 225                 setters.put("BodyComponent:length", new DoubleSetter(
 226                                 Reflection.findMethodStatic(BodyComponent.class, "setLength", double.class)));
 227
 228                 // SymmetricComponent
 229                 setters.put("SymmetricComponent:thickness", new DoubleSetter(
 230                                 Reflection.findMethodStatic(SymmetricComponent.class,"setThickness", double.class),
 231                                 "filled",
 232                                 Reflection.findMethodStatic(SymmetricComponent.class,"setFilled", boolean.class)));
 233
 234                 // BodyTube
 235                 setters.put("BodyTube:radius", new DoubleSetter(
 236                                 Reflection.findMethodStatic(BodyTube.class, "setRadius", double.class),
 237                                 "auto",
 238                                 Reflection.findMethodStatic(BodyTube.class,"setRadiusAutomatic", boolean.class)));
 239
 240                 // Transition
 241                 setters.put("Transition:shape", new EnumSetter<Transition.Shape>(
 242                                 Reflection.findMethodStatic(Transition.class, "setType", Transition.Shape.class),
 243                                 Transition.Shape.class));
 244                 setters.put("Transition:shapeclipped", new BooleanSetter(
 245                                 Reflection.findMethodStatic(Transition.class, "setClipped", boolean.class)));
 246                 setters.put("Transition:shapeparameter", new DoubleSetter(
 247                                 Reflection.findMethodStatic(Transition.class, "setShapeParameter", double.class)));
 248
 249                 setters.put("Transition:foreradius", new DoubleSetter(
 250                                 Reflection.findMethodStatic(Transition.class, "setForeRadius", double.class),
 251                                 "auto",
 252                                 Reflection.findMethodStatic(Transition.class, "setForeRadiusAutomatic", boolean.class)));
 253                 setters.put("Transition:aftradius", new DoubleSetter(
 254                                 Reflection.findMethodStatic(Transition.class, "setAftRadius", double.class),
 255                                 "auto",
 256                                 Reflection.findMethodStatic(Transition.class, "setAftRadiusAutomatic", boolean.class)));
 257
 258                 setters.put("Transition:foreshoulderradius", new DoubleSetter(
 259                                 Reflection.findMethodStatic(Transition.class, "setForeShoulderRadius", double.class)));
 260                 setters.put("Transition:foreshoulderlength", new DoubleSetter(
 261                                 Reflection.findMethodStatic(Transition.class, "setForeShoulderLength", double.class)));
 262                 setters.put("Transition:foreshoulderthickness", new DoubleSetter(
 263                                 Reflection.findMethodStatic(Transition.class, "setForeShoulderThickness", double.class)));
 264                 setters.put("Transition:foreshouldercapped", new BooleanSetter(
 265                                 Reflection.findMethodStatic(Transition.class, "setForeShoulderCapped", boolean.class)));
 266
 267                 setters.put("Transition:aftshoulderradius", new DoubleSetter(
 268                                 Reflection.findMethodStatic(Transition.class, "setAftShoulderRadius", double.class)));
 269                 setters.put("Transition:aftshoulderlength", new DoubleSetter(
 270                                 Reflection.findMethodStatic(Transition.class, "setAftShoulderLength", double.class)));
 271                 setters.put("Transition:aftshoulderthickness", new DoubleSetter(
 272                                 Reflection.findMethodStatic(Transition.class, "setAftShoulderThickness", double.class)));
 273                 setters.put("Transition:aftshouldercapped", new BooleanSetter(
 274                                 Reflection.findMethodStatic(Transition.class, "setAftShoulderCapped", boolean.class)));
 275
 276                 // NoseCone - disable disallowed elements
 277                 setters.put("NoseCone:foreradius", null);
 278                 setters.put("NoseCone:foreshoulderradius", null);
 279                 setters.put("NoseCone:foreshoulderlength", null);
 280                 setters.put("NoseCone:foreshoulderthickness", null);
 281                 setters.put("NoseCone:foreshouldercapped", null);
 282
 283                 // FinSet
 284                 setters.put("FinSet:fincount", new IntSetter(
 285                                 Reflection.findMethodStatic(FinSet.class, "setFinCount", int.class)));
 286                 setters.put("FinSet:rotation", new DoubleSetter(
 287                                 Reflection.findMethodStatic(FinSet.class, "setBaseRotation", double.class), Math.PI/180.0));
 288                 setters.put("FinSet:thickness", new DoubleSetter(
 289                                 Reflection.findMethodStatic(FinSet.class, "setThickness", double.class)));
 290                 setters.put("FinSet:crosssection", new EnumSetter<FinSet.CrossSection>(
 291                                 Reflection.findMethodStatic(FinSet.class, "setCrossSection", FinSet.CrossSection.class),
 292                                 FinSet.CrossSection.class));
 293                 setters.put("FinSet:cant", new DoubleSetter(
 294                                 Reflection.findMethodStatic(FinSet.class, "setCantAngle", double.class), Math.PI/180.0));
 295
 296                 // TrapezoidFinSet
 297                 setters.put("TrapezoidFinSet:rootchord", new DoubleSetter(
 298                                 Reflection.findMethodStatic(TrapezoidFinSet.class, "setRootChord", double.class)));
 299                 setters.put("TrapezoidFinSet:tipchord", new DoubleSetter(
 300                                 Reflection.findMethodStatic(TrapezoidFinSet.class, "setTipChord", double.class)));
 301                 setters.put("TrapezoidFinSet:sweeplength", new DoubleSetter(
 302                                 Reflection.findMethodStatic(TrapezoidFinSet.class, "setSweep", double.class)));
 303                 setters.put("TrapezoidFinSet:height", new DoubleSetter(
 304                                 Reflection.findMethodStatic(TrapezoidFinSet.class, "setHeight", double.class)));
 305
 306                 // EllipticalFinSet
 307                 setters.put("EllipticalFinSet:rootchord", new DoubleSetter(
 308                                 Reflection.findMethodStatic(EllipticalFinSet.class, "setLength", double.class)));
 309                 setters.put("EllipticalFinSet:height", new DoubleSetter(
 310                                 Reflection.findMethodStatic(EllipticalFinSet.class, "setHeight", double.class)));
 311
 312                 // FreeformFinSet points handled as a special handler
 313
 314                 // LaunchLug
 315                 setters.put("LaunchLug:radius", new DoubleSetter(
 316                                 Reflection.findMethodStatic(LaunchLug.class, "setRadius", double.class)));
 317                 setters.put("LaunchLug:length", new DoubleSetter(
 318                                 Reflection.findMethodStatic(LaunchLug.class, "setLength", double.class)));
 319                 setters.put("LaunchLug:thickness", new DoubleSetter(
 320                                 Reflection.findMethodStatic(LaunchLug.class, "setThickness", double.class)));
 321                 setters.put("LaunchLug:radialDirection", new DoubleSetter(
 322                                 Reflection.findMethodStatic(LaunchLug.class, "setRadialDirection", double.class),
 323                                 Math.PI/180.0));
 324
 325                 // InternalComponent - nothing
 326
 327                 // StructuralComponent
 328                 setters.put("StructuralComponent:material", new MaterialSetter(
 329                                 Reflection.findMethodStatic(StructuralComponent.class, "setMaterial", Material.class),
 330                                 Material.Type.BULK));
 331
 332                 // RingComponent
 333                 setters.put("RingComponent:length", new DoubleSetter(
 334                                 Reflection.findMethodStatic(RingComponent.class, "setLength", double.class)));
 335                 setters.put("RingComponent:radialposition", new DoubleSetter(
 336                                 Reflection.findMethodStatic(RingComponent.class, "setRadialPosition", double.class)));
 337                 setters.put("RingComponent:radialdirection", new DoubleSetter(
 338                                 Reflection.findMethodStatic(RingComponent.class, "setRadialDirection", double.class),
 339                                 Math.PI / 180.0));
 340
 341                 // ThicknessRingComponent - radius on separate components due to differing automatics
 342                 setters.put("ThicknessRingComponent:thickness", new DoubleSetter(
 343                                 Reflection.findMethodStatic(ThicknessRingComponent.class, "setThickness", double.class)));
 344
 345                 // EngineBlock
 346                 setters.put("EngineBlock:outerradius", new DoubleSetter(
 347                                 Reflection.findMethodStatic(EngineBlock.class, "setOuterRadius", double.class),
 348                                 "auto",
 349                                 Reflection.findMethodStatic(EngineBlock.class, "setOuterRadiusAutomatic", boolean.class)));
 350
 351                 // TubeCoupler
 352                 setters.put("TubeCoupler:outerradius", new DoubleSetter(
 353                                 Reflection.findMethodStatic(TubeCoupler.class, "setOuterRadius", double.class),
 354                                 "auto",
 355                                 Reflection.findMethodStatic(TubeCoupler.class, "setOuterRadiusAutomatic", boolean.class)));
 356
 357                 // InnerTube
 358                 setters.put("InnerTube:outerradius", new DoubleSetter(
 359                                 Reflection.findMethodStatic(InnerTube.class, "setOuterRadius", double.class)));
 360                 setters.put("InnerTube:clusterconfiguration", new ClusterConfigurationSetter());
 361                 setters.put("InnerTube:clusterscale", new DoubleSetter(
 362                                 Reflection.findMethodStatic(InnerTube.class, "setClusterScale", double.class)));
 363                 setters.put("InnerTube:clusterrotation", new DoubleSetter(
 364                                 Reflection.findMethodStatic(InnerTube.class, "setClusterRotation", double.class),
 365                                 Math.PI / 180.0));
 366
 367                 // RadiusRingComponent
 368
 369                 // Bulkhead
 370                 setters.put("RadiusRingComponent:innerradius", new DoubleSetter(
 371                                 Reflection.findMethodStatic(RadiusRingComponent.class, "setInnerRadius", double.class)));
 372                 setters.put("Bulkhead:outerradius", new DoubleSetter(
 373                                 Reflection.findMethodStatic(Bulkhead.class, "setOuterRadius", double.class),
 374                                 "auto",
 375                                 Reflection.findMethodStatic(Bulkhead.class, "setOuterRadiusAutomatic", boolean.class)));
 376
 377                 // CenteringRing
 378                 setters.put("CenteringRing:innerradius", new DoubleSetter(
 379                                 Reflection.findMethodStatic(CenteringRing.class, "setInnerRadius", double.class),
 380                                 "auto",
 381                                 Reflection.findMethodStatic(CenteringRing.class, "setInnerRadiusAutomatic", boolean.class)));
 382                 setters.put("CenteringRing:outerradius", new DoubleSetter(
 383                                 Reflection.findMethodStatic(CenteringRing.class, "setOuterRadius", double.class),
 384                                 "auto",
 385                                 Reflection.findMethodStatic(CenteringRing.class, "setOuterRadiusAutomatic", boolean.class)));
 386
 387
 388                 // MassObject
 389                 setters.put("MassObject:packedlength", new DoubleSetter(
 390                                 Reflection.findMethodStatic(MassObject.class, "setLength", double.class)));
 391                 setters.put("MassObject:packedradius", new DoubleSetter(
 392                                 Reflection.findMethodStatic(MassObject.class, "setRadius", double.class)));
 393                 setters.put("MassObject:radialposition", new DoubleSetter(
 394                                 Reflection.findMethodStatic(MassObject.class, "setRadialPosition", double.class)));
 395                 setters.put("MassObject:radialdirection", new DoubleSetter(
 396                                 Reflection.findMethodStatic(MassObject.class, "setRadialDirection", double.class),
 397                                 Math.PI / 180.0));
 398
 399                 // MassComponent
 400                 setters.put("MassComponent:mass", new DoubleSetter(
 401                                 Reflection.findMethodStatic(MassComponent.class, "setComponentMass", double.class)));
 402
 403                 // ShockCord
 404                 setters.put("ShockCord:cordlength", new DoubleSetter(
 405                                 Reflection.findMethodStatic(ShockCord.class, "setCordLength", double.class)));
 406                 setters.put("ShockCord:material", new MaterialSetter(
 407                                 Reflection.findMethodStatic(ShockCord.class, "setMaterial", Material.class),
 408                                 Material.Type.LINE));
 409
 410                 // RecoveryDevice
 411                 setters.put("RecoveryDevice:cd", new DoubleSetter(
 412                                 Reflection.findMethodStatic(RecoveryDevice.class, "setCD", double.class),
 413                                 "auto",
 414                                 Reflection.findMethodStatic(RecoveryDevice.class, "setCDAutomatic", boolean.class)));
 415                 setters.put("RecoveryDevice:deployevent", new EnumSetter<RecoveryDevice.DeployEvent>(
 416                                 Reflection.findMethodStatic(RecoveryDevice.class, "setDeployEvent", RecoveryDevice.DeployEvent.class),
 417                                 RecoveryDevice.DeployEvent.class));
 418                 setters.put("RecoveryDevice:deployaltitude", new DoubleSetter(
 419                                 Reflection.findMethodStatic(RecoveryDevice.class, "setDeployAltitude", double.class)));
 420                 setters.put("RecoveryDevice:deploydelay", new DoubleSetter(
 421                                 Reflection.findMethodStatic(RecoveryDevice.class, "setDeployDelay", double.class)));
 422                 setters.put("RecoveryDevice:material", new MaterialSetter(
 423                                 Reflection.findMethodStatic(RecoveryDevice.class, "setMaterial", Material.class),
 424                                 Material.Type.SURFACE));
 425
 426                 // Parachute
 427                 setters.put("Parachute:diameter", new DoubleSetter(
 428                                 Reflection.findMethodStatic(Parachute.class, "setDiameter", double.class)));
 429                 setters.put("Parachute:linecount", new IntSetter(
 430                                 Reflection.findMethodStatic(Parachute.class, "setLineCount", int.class)));
 431                 setters.put("Parachute:linelength", new DoubleSetter(
 432                                 Reflection.findMethodStatic(Parachute.class, "setLineLength", double.class)));
 433                 setters.put("Parachute:linematerial", new MaterialSetter(
 434                                 Reflection.findMethodStatic(Parachute.class, "setLineMaterial", Material.class),
 435                                 Material.Type.LINE));
 436
 437                 // Streamer
 438                 setters.put("Streamer:striplength", new DoubleSetter(
 439                                 Reflection.findMethodStatic(Streamer.class, "setStripLength", double.class)));
 440                 setters.put("Streamer:stripwidth", new DoubleSetter(
 441                                 Reflection.findMethodStatic(Streamer.class, "setStripWidth", double.class)));
 442
 443                 // Rocket
 444                 // <motorconfiguration> handled by separate handler
 445                 setters.put("Rocket:referencetype", new EnumSetter<ReferenceType>(
 446                                 Reflection.findMethodStatic(Rocket.class, "setReferenceType", ReferenceType.class),
 447                                 ReferenceType.class));
 448                 setters.put("Rocket:customreference", new DoubleSetter(
 449                                 Reflection.findMethodStatic(Rocket.class, "setCustomReferenceLength", double.class)));
 450                 setters.put("Rocket:designer", new StringSetter(
 451                                 Reflection.findMethodStatic(Rocket.class, "setDesigner", String.class)));
 452                 setters.put("Rocket:revision", new StringSetter(
 453                                 Reflection.findMethodStatic(Rocket.class, "setRevision", String.class)));
 454         }
 455
 456
 457         /**
 458          * Search for a enum value that has the corresponding name as an XML value.  The current
 459          * conversion from enum name to XML value is to lowercase the name and strip out all
 460          * underscore characters.  This method returns a match to these criteria, or <code>null</code>
 461          * if no such enum exists.
 462          *
 463          * @param <T>                   then enum type.
 464          * @param name                  the XML value, null ok.
 465          * @param enumClass             the class of the enum.
 466          * @return                              the found enum value, or <code>null</code>.
 467          */
 468         public static <T extends Enum<T>> Enum<T> findEnum(String name, Class<? extends Enum<T>> enumClass) {
 469
 470                 if (name == null)
 471                         return null;
 472                 name = name.trim();
 473                 for (Enum<T> e: enumClass.getEnumConstants()) {
 474                         if (e.name().toLowerCase().replace("_", "").equals(name)) {
 475                                 return e;
 476                         }
 477                 }
 478                 return null;
 479         }
 480
 481
 482         /**
 483          * Convert a string to a double including formatting specifications of the OpenRocket
 484          * file format.  This accepts all formatting that is valid for
 485          * <code>Double.parseDouble(s)</code> and a few others as well ("Inf", "-Inf").
 486          *
 487          * @param s             the string to parse.
 488          * @return              the numerical value.
 489          * @throws NumberFormatException        the the string cannot be parsed.
 490          */
 491         public static double stringToDouble(String s) throws NumberFormatException {
 492                 if (s == null)
 493                         throw new NumberFormatException("null string");
 494                 if (s.equalsIgnoreCase("NaN"))
 495                         return Double.NaN;
 496                 if (s.equalsIgnoreCase("Inf"))
 497                         return Double.POSITIVE_INFINITY;
 498                 if (s.equalsIgnoreCase("-Inf"))
 499                         return Double.NEGATIVE_INFINITY;
 500                 return Double.parseDouble(s);
 501         }
 502 }
 503
 504
 505
 506
 507 /**
 508  * The actual handler class.  Contains the necessary methods for parsing the SAX source.
 509  */
 510 class DelegatorHandler extends DefaultHandler {
 511         private final WarningSet warnings;
 512
 513         private final Stack<ElementHandler> handlerStack = new Stack<ElementHandler>();
 514         private final Stack<StringBuilder> elementData = new Stack<StringBuilder>();
 515         private final Stack<HashMap<String, String>> elementAttributes = new Stack<HashMap<String, String>>();
 516
 517
 518         // Ignore all elements as long as ignore > 0
 519         private int ignore = 0;
 520
 521
 522         public DelegatorHandler(ElementHandler initialHandler, WarningSet warnings) {
 523                 this.warnings = warnings;
 524                 handlerStack.add(initialHandler);
 525                 elementData.add(new StringBuilder()); // Just in case
 526         }
 527
 528
 529         /////////  SAX handlers
 530
 531         @Override
 532         public void startElement(String uri, String localName, String name,
 533                         Attributes attributes) throws SAXException {
 534
 535                 // Check for ignore
 536                 if (ignore > 0) {
 537                         ignore++;
 538                         return;
 539                 }
 540
 541                 // Check for unknown namespace
 542                 if (!uri.equals("")) {
 543                         warnings.add(Warning.fromString("Unknown namespace element '" + uri
 544                                         + "' encountered, ignoring."));
 545                         ignore++;
 546                         return;
 547                 }
 548
 549                 // Add layer to data stacks
 550                 elementData.push(new StringBuilder());
 551                 elementAttributes.push(copyAttributes(attributes));
 552
 553                 // Call the handler
 554                 ElementHandler h = handlerStack.peek();
 555                 h = h.openElement(localName, elementAttributes.peek(), warnings);
 556                 if (h != null) {
 557                         handlerStack.push(h);
 558                 } else {
 559                         // Start ignoring elements
 560                         ignore++;
 561                 }
 562         }
 563
 564
 565         /**
 566          * Stores encountered characters in the elementData stack.
 567          */
 568         @Override
 569         public void characters(char[] chars, int start, int length) throws SAXException {
 570                 // Check for ignore
 571                 if (ignore > 0)
 572                         return;
 573
 574                 StringBuilder sb = elementData.peek();
 575                 sb.append(chars, start, length);
 576         }
 577
 578
 579         /**
 580          * Removes the last layer from the stack.
 581          */
 582         @Override
 583         public void endElement(String uri, String localName, String name) throws SAXException {
 584
 585                 // Check for ignore
 586                 if (ignore > 0) {
 587                         ignore--;
 588                         return;
 589                 }
 590
 591                 // Remove data from stack
 592                 String data = elementData.pop().toString(); // throws on error
 593                 HashMap<String, String> attr = elementAttributes.pop();
 594
 595                 // Remove last handler and call the next one
 596                 ElementHandler h;
 597
 598                 h = handlerStack.pop();
 599                 h.endHandler(localName, attr, data, warnings);
 600
 601                 h = handlerStack.peek();
 602                 h.closeElement(localName, attr, data, warnings);
 603         }
 604
 605
 606         private static HashMap<String, String> copyAttributes(Attributes atts) {
 607                 HashMap<String, String> ret = new HashMap<String, String>();
 608                 for (int i = 0; i < atts.getLength(); i++) {
 609                         ret.put(atts.getLocalName(i), atts.getValue(i));
 610                 }
 611                 return ret;
 612         }
 613 }
 614
 615
 616
 617
 618 abstract class ElementHandler {
 619
 620         /**
 621          * Called when an opening element is encountered.  Returns the handler that will handle
 622          * the elements within that element, or <code>null</code> if the element and all of
 623          * its contents is to be ignored.
 624          *
 625          * @param element               the element name.
 626          * @param attributes    attributes of the element.
 627          * @param warnings              the warning set to store warnings in.
 628          * @return                              the handler that handles elements encountered within this element,
 629          *                                              or <code>null</code> if the element is to be ignored.
 630          */
 631         public abstract ElementHandler openElement(String element,
 632                         HashMap<String, String> attributes, WarningSet warnings);
 633
 634         /**
 635          * Called when an element is closed.  The default implementation checks whether there is
 636          * any non-space text within the element and if there exists any attributes, and adds
 637          * a warning of both.  This can be used at the and of the method to check for
 638          * spurious data.
 639          *
 640          * @param element               the element name.
 641          * @param attributes    attributes of the element.
 642          * @param content               the textual content of the element.
 643          * @param warnings              the warning set to store warnings in.
 644          */
 645         public void closeElement(String element, HashMap<String, String> attributes,
 646                         String content, WarningSet warnings) {
 647
 648                 if (!content.trim().equals("")) {
 649                         warnings.add(Warning.fromString("Unknown text in element " + element
 650                                         + ", ignoring."));
 651                 }
 652                 if (!attributes.isEmpty()) {
 653                         warnings.add(Warning.fromString("Unknown attributes in element " + element
 654                                         + ", ignoring."));
 655                 }
 656         }
 657
 658
 659         /**
 660          * Called when the element block that this handler is handling ends.
 661          * The default implementation is a no-op.
 662          *
 663          * @param warnings              the warning set to store warnings in.
 664          */
 665         public void endHandler(String element, HashMap<String, String> attributes,
 666                         String content, WarningSet warnings) {
 667                 // No-op
 668         }
 669
 670 }
 671
 672
 673 /**
 674  * The starting point of the handlers.  Accepts a single <openrocket> element and hands
 675  * the contents to be read by a OpenRocketContentsHandler.
 676  */
 677 class OpenRocketHandler extends ElementHandler {
 678         private OpenRocketContentHandler handler = null;
 679
 680         /**
 681          * Return the OpenRocketDocument read from the file, or <code>null</code> if a document
 682          * has not been read yet.
 683          *
 684          * @return      the document read, or null.
 685          */
 686         public OpenRocketDocument getDocument() {
 687                 return handler.getDocument();
 688         }
 689
 690         @Override
 691         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 692                         WarningSet warnings) {
 693
 694                 // Check for unknown elements
 695                 if (!element.equals("openrocket")) {
 696                         warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 697                         return null;
 698                 }
 699
 700                 // Check for first call
 701                 if (handler != null) {
 702                         warnings.add(Warning.fromString("Multiple document elements found, ignoring later "
 703                                                         + "ones."));
 704                         return null;
 705                 }
 706
 707                 // Check version number
 708                 String version = null;
 709                 String docVersion = attributes.remove("version");
 710                 for (String v : DocumentConfig.SUPPORTED_VERSIONS) {
 711                         if (v.equals(docVersion)) {
 712                                 version = v;
 713                                 break;
 714                         }
 715                 }
 716                 if (version == null) {
 717                         if (docVersion != null)
 718                                 warnings.add(Warning.fromString("Unsupported document version "
 719                                                 + docVersion + ", attempting to read anyway."));
 720                         else
 721                                 warnings.add(Warning.fromString("Unsupported document version, attempting to"
 722                                                                 + " read anyway."));
 723                 }
 724
 725                 handler = new OpenRocketContentHandler();
 726                 return handler;
 727         }
 728 }
 729
 730
 731 /**
 732  * Handles the content of the <openrocket> tag.
 733  */
 734 class OpenRocketContentHandler extends ElementHandler {
 735         private final OpenRocketDocument doc;
 736         private final Rocket rocket;
 737
 738         private boolean rocketDefined = false;
 739         private boolean simulationsDefined = false;
 740
 741         public OpenRocketContentHandler() {
 742                 this.rocket = new Rocket();
 743                 this.doc = new OpenRocketDocument(rocket);
 744         }
 745
 746
 747         public OpenRocketDocument getDocument() {
 748                 if (!rocketDefined)
 749                         return null;
 750                 return doc;
 751         }
 752
 753         @Override
 754         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 755                         WarningSet warnings) {
 756
 757                 if (element.equals("rocket")) {
 758                         if (rocketDefined) {
 759                                 warnings.add(Warning
 760                                                 .fromString("Multiple rocket designs within one document, "
 761                                                                 + "ignoring later ones."));
 762                                 return null;
 763                         }
 764                         rocketDefined = true;
 765                         return new ComponentParameterHandler(rocket);
 766                 }
 767
 768                 if (element.equals("simulations")) {
 769                         if (simulationsDefined) {
 770                                 warnings.add(Warning
 771                                                 .fromString("Multiple simulation definitions within one document, "
 772                                                                 + "ignoring later ones."));
 773                                 return null;
 774                         }
 775                         simulationsDefined = true;
 776                         return new SimulationsHandler(doc);
 777                 }
 778
 779                 warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 780
 781                 return null;
 782         }
 783 }
 784
 785
 786 /**
 787  * An element handler that does not allow any sub-elements.  If any are encountered
 788  * a warning is generated and they are ignored.
 789  */
 790 class PlainTextHandler extends ElementHandler {
 791         public static final PlainTextHandler INSTANCE = new PlainTextHandler();
 792
 793         private PlainTextHandler() {
 794         }
 795
 796         @Override
 797         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 798                         WarningSet warnings) {
 799                 warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 800                 return null;
 801         }
 802
 803         @Override
 804         public void closeElement(String element, HashMap<String, String> attributes,
 805                         String content, WarningSet warnings) {
 806                 // Warning from openElement is sufficient.
 807         }
 808 }
 809
 810
 811
 812 /**
 813  * A handler that creates components from the corresponding elements.  The control of the
 814  * contents is passed on to ComponentParameterHandler.
 815  */
 816 class ComponentHandler extends ElementHandler {
 817         private final RocketComponent parent;
 818
 819         public ComponentHandler(RocketComponent parent) {
 820                 this.parent = parent;
 821         }
 822
 823         @Override
 824         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 825                         WarningSet warnings) {
 826
 827                 // Attempt to construct new component
 828                 Constructor<? extends RocketComponent> constructor = DocumentConfig.constructors
 829                                 .get(element);
 830                 if (constructor == null) {
 831                         warnings.add(Warning.fromString("Unknown element " + element + ", ignoring."));
 832                         return null;
 833                 }
 834
 835                 RocketComponent c;
 836                 try {
 837                         c = constructor.newInstance();
 838                 } catch (InstantiationException e) {
 839                         throw new RuntimeException("Error constructing component.", e);
 840                 } catch (IllegalAccessException e) {
 841                         throw new RuntimeException("Error constructing component.", e);
 842                 } catch (InvocationTargetException e) {
 843                         throw new RuntimeException("Error constructing component.", e);
 844                 }
 845
 846                 parent.addChild(c);
 847
 848                 return new ComponentParameterHandler(c);
 849         }
 850 }
 851
 852
 853 /**
 854  * A handler that populates the parameters of a previously constructed rocket component.
 855  * This uses the setters, or delegates the handling to another handler for specific
 856  * elements.
 857  */
 858 class ComponentParameterHandler extends ElementHandler {
 859         private final RocketComponent component;
 860
 861         public ComponentParameterHandler(RocketComponent c) {
 862                 this.component = c;
 863         }
 864
 865         @Override
 866         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 867                         WarningSet warnings) {
 868
 869                 // Check for specific elements that contain other elements
 870                 if (element.equals("subcomponents")) {
 871                         return new ComponentHandler(component);
 872                 }
 873                 if (element.equals("motormount")) {
 874                         if (!(component instanceof MotorMount)) {
 875                                 warnings.add(Warning.fromString("Illegal component defined as motor mount."));
 876                                 return null;
 877                         }
 878                         return new MotorMountHandler((MotorMount)component);
 879                 }
 880                 if (element.equals("finpoints")) {
 881                         if (!(component instanceof FreeformFinSet)) {
 882                                 warnings.add(Warning.fromString("Illegal component defined for fin points."));
 883                                 return null;
 884                         }
 885                         return new FinSetPointHandler((FreeformFinSet)component);
 886                 }
 887                 if (element.equals("motorconfiguration")) {
 888                         if (!(component instanceof Rocket)) {
 889                                 warnings.add(Warning.fromString("Illegal component defined for motor configuration."));
 890                                 return null;
 891                         }
 892                         return new MotorConfigurationHandler((Rocket)component);
 893                 }
 894
 895
 896                 return PlainTextHandler.INSTANCE;
 897         }
 898
 899         @Override
 900         public void closeElement(String element, HashMap<String, String> attributes,
 901                         String content, WarningSet warnings) {
 902
 903                 if (element.equals("subcomponents") || element.equals("motormount") ||
 904                                 element.equals("finpoints") || element.equals("motorconfiguration")) {
 905                         return;
 906                 }
 907
 908                 // Search for the correct setter class
 909
 910                 Class<?> c;
 911                 for (c = component.getClass(); c != null; c = c.getSuperclass()) {
 912                         String setterKey = c.getSimpleName() + ":" + element;
 913                         Setter s = DocumentConfig.setters.get(setterKey);
 914                         if (s != null) {
 915                                 // Setter found
 916                                 System.out.println("Calling with key "+setterKey);
 917                                 s.set(component, content, attributes, warnings);
 918                                 break;
 919                         }
 920                         if (DocumentConfig.setters.containsKey(setterKey)) {
 921                                 // Key exists but is null -> invalid parameter
 922                                 c = null;
 923                                 break;
 924                         }
 925                 }
 926                 if (c == null) {
 927                         warnings.add(Warning.fromString("Unknown parameter type " + element + " for "
 928                                         + component.getComponentName()));
 929                 }
 930         }
 931 }
 932
 933
 934 /**
 935  * A handler that reads the <point> specifications within the freeformfinset's
 936  * <finpoints> elements.
 937  */
 938 class FinSetPointHandler extends ElementHandler {
 939         private final FreeformFinSet finset;
 940         private final ArrayList<Coordinate> coordinates = new ArrayList<Coordinate>();
 941
 942         public FinSetPointHandler(FreeformFinSet finset) {
 943                 this.finset = finset;
 944         }
 945
 946         @Override
 947         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 948                         WarningSet warnings) {
 949                 return PlainTextHandler.INSTANCE;
 950         }
 951
 952
 953         @Override
 954         public void closeElement(String element, HashMap<String, String> attributes,
 955                         String content, WarningSet warnings) {
 956
 957                 String strx = attributes.remove("x");
 958                 String stry = attributes.remove("y");
 959                 if (strx == null || stry == null) {
 960                         warnings.add(Warning.fromString("Illegal fin points specification, ignoring."));
 961                         return;
 962                 }
 963                 try {
 964                         double x = Double.parseDouble(strx);
 965                         double y = Double.parseDouble(stry);
 966                         coordinates.add(new Coordinate(x,y));
 967                 } catch (NumberFormatException e) {
 968                         warnings.add(Warning.fromString("Illegal fin points specification, ignoring."));
 969                         return;
 970                 }
 971
 972                 super.closeElement(element, attributes, content, warnings);
 973         }
 974
 975         @Override
 976         public void endHandler(String element, HashMap<String, String> attributes,
 977                         String content, WarningSet warnings) {
 978                 try {
 979                         finset.setPoints(coordinates.toArray(new Coordinate[0]));
 980                 } catch (IllegalArgumentException e) {
 981                         warnings.add(Warning.fromString("Freeform fin set point definitions illegal, ignoring."));
 982                 }
 983         }
 984 }
 985
 986
 987 class MotorMountHandler extends ElementHandler {
 988         private final MotorMount mount;
 989         private MotorHandler motorHandler;
 990
 991         public MotorMountHandler(MotorMount mount) {
 992                 this.mount = mount;
 993                 mount.setMotorMount(true);
 994         }
 995
 996         @Override
 997         public ElementHandler openElement(String element, HashMap<String, String> attributes,
 998                         WarningSet warnings) {
 999
1000                 if (element.equals("motor")) {
1001                         motorHandler = new MotorHandler();
1002                         return motorHandler;
1003                 }
1004
1005                 if (element.equals("ignitionevent") ||
1006                                 element.equals("ignitiondelay") ||
1007                                 element.equals("overhang")) {
1008                         return PlainTextHandler.INSTANCE;
1009                 }
1010
1011                 warnings.add(Warning.fromString("Unknown element '"+element+"' encountered, ignoring."));
1012                 return null;
1013         }
1014
1015
1016
1017         @Override
1018         public void closeElement(String element, HashMap<String, String> attributes,
1019                         String content, WarningSet warnings) {
1020
1021                 if (element.equals("motor")) {
1022                         String id = attributes.get("configid");
1023                         if (id == null || id.equals("")) {
1024                                 warnings.add(Warning.fromString("Illegal motor specification, ignoring."));
1025                                 return;
1026                         }
1027
1028                         Motor motor = motorHandler.getMotor(warnings);
1029                         mount.setMotor(id, motor);
1030                         mount.setMotorDelay(id, motorHandler.getDelay(warnings));
1031                         return;
1032                 }
1033
1034                 if (element.equals("ignitionevent")) {
1035                         MotorMount.IgnitionEvent event = null;
1036                         for (MotorMount.IgnitionEvent e : MotorMount.IgnitionEvent.values()) {
1037                                 if (e.name().toLowerCase().replaceAll("_", "").equals(content)) {
1038                                         event = e;
1039                                         break;
1040                                 }
1041                         }
1042                         if (event == null) {
1043                                 warnings.add(Warning.fromString("Unknown ignition event type '"+content+"', ignoring."));
1044                                 return;
1045                         }
1046                         mount.setIgnitionEvent(event);
1047                         return;
1048                 }
1049
1050                 if (element.equals("ignitiondelay")) {
1051                         double d;
1052                         try {
1053                                 d = Double.parseDouble(content);
1054                         } catch (NumberFormatException nfe) {
1055                                 warnings.add(Warning.fromString("Illegal ignition delay specified, ignoring."));
1056                                 return;
1057                         }
1058                         mount.setIgnitionDelay(d);
1059                         return;
1060                 }
1061
1062                 if (element.equals("overhang")) {
1063                         double d;
1064                         try {
1065                                 d = Double.parseDouble(content);
1066                         } catch (NumberFormatException nfe) {
1067                                 warnings.add(Warning.fromString("Illegal overhang specified, ignoring."));
1068                                 return;
1069                         }
1070                         mount.setMotorOverhang(d);
1071                         return;
1072                 }
1073
1074                 super.closeElement(element, attributes, content, warnings);
1075         }
1076 }
1077
1078
1079
1080
1081 class MotorConfigurationHandler extends ElementHandler {
1082         private final Rocket rocket;
1083         private String name = null;
1084         private boolean inNameElement = false;
1085
1086         public MotorConfigurationHandler(Rocket rocket) {
1087                 this.rocket = rocket;
1088         }
1089
1090         @Override
1091         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1092                         WarningSet warnings) {
1093
1094                 if (inNameElement || !element.equals("name")) {
1095                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1096                         return null;
1097                 }
1098                 inNameElement = true;
1099
1100                 return PlainTextHandler.INSTANCE;
1101         }
1102
1103         @Override
1104         public void closeElement(String element, HashMap<String, String> attributes,
1105                         String content, WarningSet warnings) {
1106                 name = content;
1107         }
1108
1109         @Override
1110         public void endHandler(String element, HashMap<String, String> attributes,
1111                         String content, WarningSet warnings) {
1112
1113                 String configid = attributes.remove("configid");
1114                 if (configid == null || configid.equals("")) {
1115                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1116                         return;
1117                 }
1118
1119                 if (!rocket.addMotorConfigurationID(configid)) {
1120                         warnings.add("Duplicate motor configuration ID used.");
1121                         return;
1122                 }
1123
1124                 if (name != null && name.trim().length() > 0) {
1125                         rocket.setMotorConfigurationName(configid, name);
1126                 }
1127
1128                 if ("true".equals(attributes.remove("default"))) {
1129                         rocket.getDefaultConfiguration().setMotorConfigurationID(configid);
1130                 }
1131
1132                 super.closeElement(element, attributes, content, warnings);
1133         }
1134 }
1135
1136
1137 class MotorHandler extends ElementHandler {
1138         private Motor.Type type = null;
1139         private String manufacturer = null;
1140         private String designation = null;
1141         private double diameter = Double.NaN;
1142         private double length = Double.NaN;
1143         private double delay = Double.NaN;
1144
1145         @Override
1146         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1147                         WarningSet warnings) {
1148                 return PlainTextHandler.INSTANCE;
1149         }
1150
1151
1152         /**
1153          * Return the motor to use, or null.
1154          */
1155         public Motor getMotor(WarningSet warnings) {
1156                 if (designation == null) {
1157                         warnings.add(Warning.fromString("No motor specified, ignoring."));
1158                         return null;
1159                 }
1160                 Motor[] motors = Databases.findMotors(type, manufacturer, designation, diameter, length);
1161                 if (motors.length == 0) {
1162                         String str = "No motor with designation '"+designation+"'";
1163                         if (manufacturer != null)
1164                                 str += " for manufacturer '" + manufacturer + "'";
1165                         warnings.add(Warning.fromString(str + " found."));
1166                         return null;
1167                 }
1168                 if (motors.length > 1) {
1169                         String str = "Multiple motors with designation '"+designation+"'";
1170                         if (manufacturer != null)
1171                                 str += " for manufacturer '" + manufacturer + "'";
1172                         warnings.add(Warning.fromString(str + " found, one chosen arbitrarily."));
1173                 }
1174                 return motors[0];
1175         }
1176
1177
1178         /**
1179          * Return the delay to use for the motor.
1180          */
1181         public double getDelay(WarningSet warnings) {
1182                 if (Double.isNaN(delay)) {
1183                         warnings.add(Warning.fromString("Motor delay not specified, assuming no ejection charge."));
1184                         return Motor.PLUGGED;
1185                 }
1186                 return delay;
1187         }
1188
1189
1190         @Override
1191         public void closeElement(String element, HashMap<String, String> attributes,
1192                         String content, WarningSet warnings) {
1193
1194                 content = content.trim();
1195
1196                 if (element.equals("type")) {
1197
1198                         // Motor type
1199                         type = null;
1200                         for (Motor.Type t: Motor.Type.values()) {
1201                                 if (t.name().toLowerCase().equals(content)) {
1202                                         type = t;
1203                                         break;
1204                                 }
1205                         }
1206                         if (type == null) {
1207                                 warnings.add(Warning.fromString("Unknown motor type '"+content+"', ignoring."));
1208                         }
1209
1210                 } else if (element.equals("manufacturer")) {
1211
1212                         // Manufacturer
1213                         manufacturer = content;
1214
1215                 } else if (element.equals("designation")) {
1216
1217                         // Designation
1218                         designation = content;
1219
1220                 } else if (element.equals("diameter")) {
1221
1222                         // Diameter
1223                         diameter = Double.NaN;
1224                         try {
1225                                 diameter = Double.parseDouble(content);
1226                         } catch (NumberFormatException e) {
1227                                 // Ignore
1228                         }
1229                         if (Double.isNaN(diameter)) {
1230                                 warnings.add(Warning.fromString("Illegal motor diameter specified, ignoring."));
1231                         }
1232
1233                 } else if (element.equals("length")) {
1234
1235                         // Length
1236                         length = Double.NaN;
1237                         try {
1238                                 length = Double.parseDouble(content);
1239                         } catch (NumberFormatException ignore) { }
1240
1241                         if (Double.isNaN(length)) {
1242                                 warnings.add(Warning.fromString("Illegal motor diameter specified, ignoring."));
1243                         }
1244
1245                 } else if (element.equals("delay")) {
1246
1247                         // Delay
1248                         delay = Double.NaN;
1249                         if (content.equals("none")) {
1250                                 delay = Motor.PLUGGED;
1251                         } else {
1252                                 try {
1253                                         delay = Double.parseDouble(content);
1254                                 } catch (NumberFormatException ignore) { }
1255
1256                                 if (Double.isNaN(delay)) {
1257                                         warnings.add(Warning.fromString("Illegal motor delay specified, ignoring."));
1258                                 }
1259
1260                         }
1261
1262                 } else {
1263                         super.closeElement(element, attributes, content, warnings);
1264                 }
1265         }
1266
1267 }
1268
1269
1270
1271 class SimulationsHandler extends ElementHandler {
1272         private final OpenRocketDocument doc;
1273         private SingleSimulationHandler handler;
1274
1275         public SimulationsHandler(OpenRocketDocument doc) {
1276                 this.doc = doc;
1277         }
1278
1279         @Override
1280         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1281                         WarningSet warnings) {
1282
1283                 if (!element.equals("simulation")) {
1284                         warnings.add("Unknown element '"+element+"', ignoring.");
1285                         return null;
1286                 }
1287
1288                 handler = new SingleSimulationHandler(doc);
1289                 return handler;
1290         }
1291 }
1292
1293 class SingleSimulationHandler extends ElementHandler {
1294
1295         private final OpenRocketDocument doc;
1296
1297         private String name;
1298
1299         private SimulationConditionsHandler conditionHandler;
1300         private FlightDataHandler dataHandler;
1301
1302         private final List<String> listeners = new ArrayList<String>();
1303
1304         public SingleSimulationHandler(OpenRocketDocument doc) {
1305                 this.doc = doc;
1306         }
1307
1308
1309
1310         @Override
1311         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1312                         WarningSet warnings) {
1313
1314                 if (element.equals("name") || element.equals("simulator") ||
1315                                 element.equals("calculator") || element.equals("listener")) {
1316                         return PlainTextHandler.INSTANCE;
1317                 } else if (element.equals("conditions")) {
1318                         conditionHandler = new SimulationConditionsHandler(doc.getRocket());
1319                         return conditionHandler;
1320                 } else if (element.equals("flightdata")) {
1321                         dataHandler = new FlightDataHandler();
1322                         return dataHandler;
1323                 } else {
1324                         warnings.add("Unknown element '"+element+"', ignoring.");
1325                         return null;
1326                 }
1327         }
1328
1329         @Override
1330         public void closeElement(String element, HashMap<String, String> attributes,
1331                         String content, WarningSet warnings) {
1332
1333                 if (element.equals("name")) {
1334                         name = content;
1335                 } else if (element.equals("simulator")) {
1336                         if (!content.equals("RK4Simulator")) {
1337                                 warnings.add("Unknown simulator specified, ignoring.");
1338                         }
1339                 } else if (element.equals("calculator")) {
1340                         if (!content.equals("BarrowmanSimulator")) {
1341                                 warnings.add("Unknown calculator specified, ignoring.");
1342                         }
1343                 } else if (element.equals("listener") && content.trim().length() > 0) {
1344                         listeners.add(content.trim());
1345                 }
1346
1347         }
1348
1349         @Override
1350         public void endHandler(String element, HashMap<String, String> attributes,
1351                         String content, WarningSet warnings) {
1352
1353                 String s = attributes.get("status");
1354                 Simulation.Status status = (Status) DocumentConfig.findEnum(s, Simulation.Status.class);
1355                 if (status == null) {
1356                         warnings.add("Simulation status unknown, assuming outdated.");
1357                         status = Simulation.Status.OUTDATED;
1358                 }
1359
1360                 SimulationConditions conditions;
1361                 if (conditionHandler != null) {
1362                         conditions = conditionHandler.getConditions();
1363                 } else {
1364                         warnings.add("Simulation conditions not defined, using defaults.");
1365                         conditions = new SimulationConditions(doc.getRocket());
1366                 }
1367
1368                 if (name == null)
1369                         name = "Simulation";
1370
1371                 FlightData data;
1372                 if (dataHandler == null)
1373                         data = null;
1374                 else
1375                         data = dataHandler.getFlightData();
1376
1377                 Simulation simulation = new Simulation(doc.getRocket(), status, name,
1378                                 conditions, listeners, data);
1379
1380                 doc.addSimulation(simulation);
1381         }
1382 }
1383
1384
1385
1386 class SimulationConditionsHandler extends ElementHandler {
1387         private SimulationConditions conditions;
1388         private AtmosphereHandler atmosphereHandler;
1389
1390         public SimulationConditionsHandler(Rocket rocket) {
1391                 conditions = new SimulationConditions(rocket);
1392         }
1393
1394         public SimulationConditions getConditions() {
1395                 return conditions;
1396         }
1397
1398         @Override
1399         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1400                         WarningSet warnings) {
1401                 if (element.equals("atmosphere")) {
1402                         atmosphereHandler = new AtmosphereHandler(attributes.get("model"));
1403                         return atmosphereHandler;
1404                 }
1405                 return PlainTextHandler.INSTANCE;
1406         }
1407
1408         @Override
1409         public void closeElement(String element, HashMap<String, String> attributes,
1410                         String content, WarningSet warnings) {
1411
1412                 double d = Double.NaN;
1413                 try {
1414                         d = Double.parseDouble(content);
1415                 } catch (NumberFormatException ignore) { }
1416
1417
1418                 if (element.equals("configid")) {
1419                         if (content.equals("")) {
1420                                 conditions.setMotorConfigurationID(null);
1421                         } else {
1422                                 conditions.setMotorConfigurationID(content);
1423                         }
1424                 } else if (element.equals("launchrodlength")) {
1425                         if (Double.isNaN(d)) {
1426                                 warnings.add("Illegal launch rod length defined, ignoring.");
1427                         } else {
1428                                 conditions.setLaunchRodLength(d);
1429                         }
1430                 } else if (element.equals("launchrodangle")) {
1431                         if (Double.isNaN(d)) {
1432                                 warnings.add("Illegal launch rod angle defined, ignoring.");
1433                         } else {
1434                                 conditions.setLaunchRodAngle(d*Math.PI/180);
1435                         }
1436                 } else if (element.equals("launchroddirection")) {
1437                         if (Double.isNaN(d)) {
1438                                 warnings.add("Illegal launch rod direction defined, ignoring.");
1439                         } else {
1440                                 conditions.setLaunchRodDirection(d*Math.PI/180);
1441                         }
1442                 } else if (element.equals("windaverage")) {
1443                         if (Double.isNaN(d)) {
1444                                 warnings.add("Illegal average windspeed defined, ignoring.");
1445                         } else {
1446                                 conditions.setWindSpeedAverage(d);
1447                         }
1448                 } else if (element.equals("windturbulence")) {
1449                         if (Double.isNaN(d)) {
1450                                 warnings.add("Illegal wind turbulence intensity defined, ignoring.");
1451                         } else {
1452                                 conditions.setWindTurbulenceIntensity(d);
1453                         }
1454                 } else if (element.equals("launchaltitude")) {
1455                         if (Double.isNaN(d)) {
1456                                 warnings.add("Illegal launch altitude defined, ignoring.");
1457                         } else {
1458                                 conditions.setLaunchAltitude(d);
1459                         }
1460                 } else if (element.equals("launchlatitude")) {
1461                         if (Double.isNaN(d)) {
1462                                 warnings.add("Illegal launch latitude defined, ignoring.");
1463                         } else {
1464                                 conditions.setLaunchLatitude(d);
1465                         }
1466                 } else if (element.equals("atmosphere")) {
1467                         atmosphereHandler.storeSettings(conditions, warnings);
1468                 } else if (element.equals("timestep")) {
1469                         if (Double.isNaN(d)) {
1470                                 warnings.add("Illegal time step defined, ignoring.");
1471                         } else {
1472                                 conditions.setTimeStep(d);
1473                         }
1474                 }
1475         }
1476 }
1477
1478
1479 class AtmosphereHandler extends ElementHandler {
1480         private final String model;
1481         private double temperature = Double.NaN;
1482         private double pressure = Double.NaN;
1483
1484         public AtmosphereHandler(String model) {
1485                 this.model = model;
1486         }
1487
1488         @Override
1489         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1490                         WarningSet warnings) {
1491                 return PlainTextHandler.INSTANCE;
1492         }
1493
1494         @Override
1495         public void closeElement(String element, HashMap<String, String> attributes,
1496                         String content, WarningSet warnings) {
1497
1498                 double d = Double.NaN;
1499                 try {
1500                         d = Double.parseDouble(content);
1501                 } catch (NumberFormatException ignore) { }
1502
1503                 if (element.equals("basetemperature")) {
1504                         if (Double.isNaN(d)) {
1505                                 warnings.add("Illegal base temperature specified, ignoring.");
1506                         }
1507                         temperature = d;
1508                 } else if (element.equals("basepressure")) {
1509                         if (Double.isNaN(d)) {
1510                                 warnings.add("Illegal base pressure specified, ignoring.");
1511                         }
1512                         pressure = d;
1513                 } else {
1514                         super.closeElement(element, attributes, content, warnings);
1515                 }
1516         }
1517
1518
1519         public void storeSettings(SimulationConditions cond, WarningSet warnings) {
1520                 if (!Double.isNaN(pressure)) {
1521                         cond.setLaunchPressure(pressure);
1522                 }
1523                 if (!Double.isNaN(temperature)) {
1524                         cond.setLaunchTemperature(temperature);
1525                 }
1526
1527                 if ("isa".equals(model)) {
1528                         cond.setISAAtmosphere(true);
1529                 } else if ("extendedisa".equals(model)){
1530                         cond.setISAAtmosphere(false);
1531                 } else {
1532                         cond.setISAAtmosphere(true);
1533                         warnings.add("Unknown atmospheric model, using ISA.");
1534                 }
1535         }
1536
1537 }
1538
1539
1540 class FlightDataHandler extends ElementHandler {
1541
1542         private FlightDataBranchHandler dataHandler;
1543         private WarningSet warningSet = new WarningSet();
1544         private List<FlightDataBranch> branches = new ArrayList<FlightDataBranch>();
1545
1546         private FlightData data;
1547
1548         public FlightData getFlightData() {
1549                 return data;
1550         }
1551
1552         @Override
1553         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1554                         WarningSet warnings) {
1555
1556                 if (element.equals("warning")) {
1557                         return PlainTextHandler.INSTANCE;
1558                 }
1559                 if (element.equals("databranch")) {
1560                         if (attributes.get("name") == null || attributes.get("types")==null) {
1561                                 warnings.add("Illegal flight data definition, ignoring.");
1562                                 return null;
1563                         }
1564                         dataHandler =  new FlightDataBranchHandler(attributes.get("name"),
1565                                         attributes.get("types"));
1566                         return dataHandler;
1567                 }
1568
1569                 warnings.add("Unknown element '"+element+"' encountered, ignoring.");
1570                 return null;
1571         }
1572
1573
1574         @Override
1575         public void closeElement(String element, HashMap<String, String> attributes,
1576                         String content, WarningSet warnings) {
1577
1578                 if (element.equals("databranch")) {
1579                         FlightDataBranch branch = dataHandler.getBranch();
1580                         if (branch.getLength() > 0) {
1581                                 branches.add(branch);
1582                         }
1583                 } else if (element.equals("warning")) {
1584                         warningSet.add(Warning.fromString(content));
1585                 }
1586         }
1587
1588
1589         @Override
1590         public void endHandler(String element, HashMap<String, String> attributes,
1591                         String content, WarningSet warnings) {
1592
1593                 if (branches.size() > 0) {
1594                         data = new FlightData(branches.toArray(new FlightDataBranch[0]));
1595                 } else {
1596                         double maxAltitude = Double.NaN;
1597                         double maxVelocity = Double.NaN;
1598                         double maxAcceleration = Double.NaN;
1599                         double maxMach = Double.NaN;
1600                         double timeToApogee = Double.NaN;
1601                         double flightTime = Double.NaN;
1602                         double groundHitVelocity = Double.NaN;
1603
1604                         try {
1605                                 maxAltitude = DocumentConfig.stringToDouble(attributes.get("maxaltitude"));
1606                         } catch (NumberFormatException ignore) { }
1607                         try {
1608                                 maxVelocity = DocumentConfig.stringToDouble(attributes.get("maxvelocity"));
1609                         } catch (NumberFormatException ignore) { }
1610                         try {
1611                                 maxAcceleration = DocumentConfig.stringToDouble(attributes.get("maxacceleration"));
1612                         } catch (NumberFormatException ignore) { }
1613                         try {
1614                                 maxMach = DocumentConfig.stringToDouble(attributes.get("maxmach"));
1615                         } catch (NumberFormatException ignore) { }
1616                         try {
1617                                 timeToApogee = DocumentConfig.stringToDouble(attributes.get("timetoapogee"));
1618                         } catch (NumberFormatException ignore) { }
1619                         try {
1620                                 flightTime = DocumentConfig.stringToDouble(attributes.get("flighttime"));
1621                         } catch (NumberFormatException ignore) { }
1622                         try {
1623                                 groundHitVelocity =
1624                                         DocumentConfig.stringToDouble(attributes.get("groundhitvelocity"));
1625                         } catch (NumberFormatException ignore) { }
1626
1627                         data = new FlightData(maxAltitude, maxVelocity, maxAcceleration, maxMach,
1628                                         timeToApogee, flightTime, groundHitVelocity);
1629                 }
1630
1631                 data.getWarningSet().addAll(warningSet);
1632         }
1633
1634
1635 }
1636
1637
1638 class FlightDataBranchHandler extends ElementHandler {
1639         private final FlightDataBranch.Type[] types;
1640         private final FlightDataBranch branch;
1641
1642         public FlightDataBranchHandler(String name, String typeList) {
1643                 String[] split = typeList.split(",");
1644                 types = new FlightDataBranch.Type[split.length];
1645                 for (int i=0; i < split.length; i++) {
1646                         types[i] = FlightDataBranch.getType(split[i], UnitGroup.UNITS_NONE);
1647                 }
1648
1649                 // TODO: LOW: May throw an IllegalArgumentException
1650                 branch = new FlightDataBranch(name, types);
1651         }
1652
1653         public FlightDataBranch getBranch() {
1654                 branch.immute();
1655                 return branch;
1656         }
1657
1658         @Override
1659         public ElementHandler openElement(String element, HashMap<String, String> attributes,
1660                         WarningSet warnings) {
1661
1662                 if (element.equals("datapoint"))
1663                         return PlainTextHandler.INSTANCE;
1664                 if (element.equals("event"))
1665                         return PlainTextHandler.INSTANCE;
1666
1667                 warnings.add("Unknown element '"+element+"' encountered, ignoring.");
1668                 return null;
1669         }
1670
1671
1672         @Override
1673         public void closeElement(String element, HashMap<String, String> attributes,
1674                         String content, WarningSet warnings) {
1675
1676                 if (element.equals("event")) {
1677                         double time;
1678                         FlightEvent.Type type;
1679
1680                         try {
1681                                 time = DocumentConfig.stringToDouble(attributes.get("time"));
1682                         } catch (NumberFormatException e) {
1683                                 warnings.add("Illegal event specification, ignoring.");
1684                                 return;
1685                         }
1686
1687                         type = (Type) DocumentConfig.findEnum(attributes.get("type"), FlightEvent.Type.class);
1688                         if (type == null) {
1689                                 warnings.add("Illegal event specification, ignoring.");
1690                                 return;
1691                         }
1692
1693                         branch.addEvent(time, new FlightEvent(type, time));
1694                         return;
1695                 }
1696
1697                 if (!element.equals("datapoint")) {
1698                         warnings.add("Unknown element '"+element+"' encountered, ignoring.");
1699                         return;
1700                 }
1701
1702                 // element == "datapoint"
1703
1704
1705                 // Check line format
1706                 String[] split = content.split(",");
1707                 if (split.length != types.length) {
1708                         warnings.add("Data point did not contain correct amount of values, ignoring point.");
1709                         return;
1710                 }
1711
1712                 // Parse the doubles
1713                 double[] values = new double[split.length];
1714                 for (int i=0; i < values.length; i++) {
1715                         try {
1716                                 values[i] = DocumentConfig.stringToDouble(split[i]);
1717                         } catch (NumberFormatException e) {
1718                                 warnings.add("Data point format error, ignoring point.");
1719                                 return;
1720                         }
1721                 }
1722
1723                 // Add point to branch
1724                 branch.addPoint();
1725                 for (int i=0; i < types.length; i++) {
1726                         branch.setValue(types[i], values[i]);
1727                 }
1728         }
1729 }
1730
1731
1732
1733
1734
1735
1736 /////////////////    Setters implementation
1737
1738
1739 ////  Interface
1740 interface Setter {
1741         /**
1742          * Set the specified value to the given component.
1743          *
1744          * @param component             the component to which to set.
1745          * @param value                 the value within the element.
1746          * @param attributes    attributes for the element.
1747          * @param warnings              the warning set to use.
1748          */
1749         public void set(RocketComponent component, String value,
1750                         HashMap<String, String> attributes, WarningSet warnings);
1751 }
1752
1753
1754 ////  StringSetter - sets the value to the contained String
1755 class StringSetter implements Setter {
1756         private final Reflection.Method setMethod;
1757
1758         public StringSetter(Reflection.Method set) {
1759                 setMethod = set;
1760         }
1761
1762         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1763                         WarningSet warnings) {
1764                 setMethod.invoke(c, s);
1765         }
1766 }
1767
1768 ////  IntSetter - set an integer value
1769 class IntSetter implements Setter {
1770         private final Reflection.Method setMethod;
1771
1772         public IntSetter(Reflection.Method set) {
1773                 setMethod = set;
1774         }
1775
1776         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1777                         WarningSet warnings) {
1778                 try {
1779                         int n = Integer.parseInt(s);
1780                         setMethod.invoke(c, n);
1781                 } catch (NumberFormatException e) {
1782                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1783                 }
1784         }
1785 }
1786
1787
1788 //// BooleanSetter - set a boolean value
1789 class BooleanSetter implements Setter {
1790         private final Reflection.Method setMethod;
1791
1792         public BooleanSetter(Reflection.Method set) {
1793                 setMethod = set;
1794         }
1795
1796         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1797                         WarningSet warnings) {
1798
1799                 s = s.trim();
1800                 if (s.equalsIgnoreCase("true")) {
1801                         setMethod.invoke(c, true);
1802                 } else if (s.equalsIgnoreCase("false")) {
1803                         setMethod.invoke(c, false);
1804                 } else {
1805                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1806                 }
1807         }
1808 }
1809
1810
1811
1812 ////  DoubleSetter - sets a double value or (alternatively) if a specific string is encountered
1813 ////  calls a setXXX(boolean) method.
1814 class DoubleSetter implements Setter {
1815         private final Reflection.Method setMethod;
1816         private final String specialString;
1817         private final Reflection.Method specialMethod;
1818         private final double multiplier;
1819
1820         /**
1821          * Set only the double value.
1822          * @param set   set method for the double value.
1823          */
1824         public DoubleSetter(Reflection.Method set) {
1825                 this.setMethod = set;
1826                 this.specialString = null;
1827                 this.specialMethod = null;
1828                 this.multiplier = 1.0;
1829         }
1830
1831         /**
1832          * Multiply with the given multiplier and set the double value.
1833          * @param set   set method for the double value.
1834          * @param mul   multiplier.
1835          */
1836         public DoubleSetter(Reflection.Method set, double mul) {
1837                 this.setMethod = set;
1838                 this.specialString = null;
1839                 this.specialMethod = null;
1840                 this.multiplier = mul;
1841         }
1842
1843         /**
1844          * Set the double value, or if the value equals the special string, use the
1845          * special setter and set it to true.
1846          *
1847          * @param set                   double setter.
1848          * @param special               special string
1849          * @param specialMethod boolean setter.
1850          */
1851         public DoubleSetter(Reflection.Method set, String special,
1852                         Reflection.Method specialMethod) {
1853                 this.setMethod = set;
1854                 this.specialString = special;
1855                 this.specialMethod = specialMethod;
1856                 this.multiplier = 1.0;
1857         }
1858
1859
1860         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1861                         WarningSet warnings) {
1862
1863                 s = s.trim();
1864
1865                 // Check for special case
1866                 if (specialMethod != null && s.equalsIgnoreCase(specialString)) {
1867                         specialMethod.invoke(c, true);
1868                         return;
1869                 }
1870
1871                 // Normal case
1872                 try {
1873                         double d = Double.parseDouble(s);
1874                         setMethod.invoke(c, d * multiplier);
1875                 } catch (NumberFormatException e) {
1876                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1877                 }
1878         }
1879 }
1880
1881
1882 class OverrideSetter implements Setter {
1883         private final Reflection.Method setMethod;
1884         private final Reflection.Method enabledMethod;
1885
1886         public OverrideSetter(Reflection.Method set, Reflection.Method enabledMethod) {
1887                 this.setMethod = set;
1888                 this.enabledMethod = enabledMethod;
1889         }
1890
1891         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1892                         WarningSet warnings) {
1893
1894                 try {
1895                         double d = Double.parseDouble(s);
1896                         setMethod.invoke(c, d);
1897                         enabledMethod.invoke(c, true);
1898                 } catch (NumberFormatException e) {
1899                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1900                 }
1901         }
1902 }
1903
1904 ////  EnumSetter  -  sets a generic enum type
1905 class EnumSetter<T extends Enum<T>> implements Setter {
1906         private final Reflection.Method setter;
1907         private final Class<T> enumClass;
1908
1909         public EnumSetter(Reflection.Method set, Class<T> enumClass) {
1910                 this.setter = set;
1911                 this.enumClass = enumClass;
1912         }
1913
1914         @Override
1915         public void set(RocketComponent c, String name, HashMap<String, String> attributes,
1916                         WarningSet warnings) {
1917
1918                 Enum<?> setEnum = DocumentConfig.findEnum(name, enumClass);
1919                 if (setEnum == null) {
1920                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1921                         return;
1922                 }
1923
1924                 setter.invoke(c, setEnum);
1925         }
1926 }
1927
1928
1929 ////  ColorSetter  -  sets a Color value
1930 class ColorSetter implements Setter {
1931         private final Reflection.Method setMethod;
1932
1933         public ColorSetter(Reflection.Method set) {
1934                 setMethod = set;
1935         }
1936
1937         public void set(RocketComponent c, String s, HashMap<String, String> attributes,
1938                         WarningSet warnings) {
1939
1940                 String red = attributes.get("red");
1941                 String green = attributes.get("green");
1942                 String blue = attributes.get("blue");
1943
1944                 if (red == null || green == null || blue == null) {
1945                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1946                         return;
1947                 }
1948
1949                 int r, g, b;
1950                 try {
1951                         r = Integer.parseInt(red);
1952                         g = Integer.parseInt(green);
1953                         b = Integer.parseInt(blue);
1954                 } catch (NumberFormatException e) {
1955                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1956                         return;
1957                 }
1958
1959                 if (r < 0 || g < 0 || b < 0 || r > 255 || g > 255 || b > 255) {
1960                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1961                         return;
1962                 }
1963
1964                 Color color = new Color(r, g, b);
1965                 setMethod.invoke(c, color);
1966
1967                 if (!s.trim().equals("")) {
1968                         warnings.add(Warning.FILE_INVALID_PARAMETER);
1969                 }
1970         }
1971 }
1972
1973
1974
1975 class MaterialSetter implements Setter {
1976         private final Reflection.Method setMethod;
1977         private final Material.Type type;
1978
1979         public MaterialSetter(Reflection.Method set, Material.Type type) {
1980                 this.setMethod = set;
1981                 this.type = type;
1982         }
1983
1984         public void set(RocketComponent c, String name, HashMap<String, String> attributes,
1985                         WarningSet warnings) {
1986
1987                 Material mat;
1988
1989                 // Check name != ""
1990                 name = name.trim();
1991                 if (name.equals("")) {
1992                         warnings.add(Warning.fromString("Illegal material specification, ignoring."));
1993                         return;
1994                 }
1995
1996                 // Parse density
1997                 double density;
1998                 String str;
1999                 str = attributes.remove("density");
2000                 if (str == null) {
2001                         warnings.add(Warning.fromString("Illegal material specification, ignoring."));
2002                         return;
2003                 }
2004                 try {
2005                         density = Double.parseDouble(str);
2006                 } catch (NumberFormatException e) {
2007                         warnings.add(Warning.fromString("Illegal material specification, ignoring."));
2008                         return;
2009                 }
2010
2011                 // Parse thickness
2012 //              double thickness = 0;
2013 //              str = attributes.remove("thickness");
2014 //              try {
2015 //                      if (str != null)
2016 //                              thickness = Double.parseDouble(str);
2017 //              } catch (NumberFormatException e){
2018 //                      warnings.add(Warning.fromString("Illegal material specification, ignoring."));
2019 //                      return;
2020 //              }
2021
2022                 // Check type if specified
2023                 str = attributes.remove("type");
2024                 if (str != null  &&  !type.name().toLowerCase().equals(str)) {
2025                         warnings.add(Warning.fromString("Illegal material type specified, ignoring."));
2026                         return;
2027                 }
2028
2029                 mat = Material.newMaterial(type, name, density);
2030
2031                 setMethod.invoke(c, mat);
2032         }
2033 }
2034
2035
2036
2037
2038 class PositionSetter implements Setter {
2039
2040         public void set(RocketComponent c, String value, HashMap<String, String> attributes,
2041                         WarningSet warnings) {
2042
2043                 RocketComponent.Position type = (Position) DocumentConfig.findEnum(attributes.get("type"),
2044                                 RocketComponent.Position.class);
2045                 if (type == null) {
2046                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2047                         return;
2048                 }
2049
2050                 double pos;
2051                 try {
2052                         pos = Double.parseDouble(value);
2053                 } catch (NumberFormatException e) {
2054                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2055                         return;
2056                 }
2057
2058                 if (c instanceof FinSet) {
2059                         ((FinSet)c).setRelativePosition(type);
2060                         c.setPositionValue(pos);
2061                 } else if (c instanceof LaunchLug) {
2062                         ((LaunchLug)c).setRelativePosition(type);
2063                         c.setPositionValue(pos);
2064                 } else if (c instanceof InternalComponent) {
2065                         ((InternalComponent)c).setRelativePosition(type);
2066                         c.setPositionValue(pos);
2067                 } else {
2068                         warnings.add(Warning.FILE_INVALID_PARAMETER);
2069                 }
2070
2071         }
2072 }
2073
2074
2075
2076 class ClusterConfigurationSetter implements Setter {
2077
2078         public void set(RocketComponent component, String value, HashMap<String, String> attributes,
2079                         WarningSet warnings) {
2080
2081                 if (!(component instanceof Clusterable)) {
2082                         warnings.add("Illegal component defined as cluster.");
2083                         return;
2084                 }
2085
2086                 ClusterConfiguration config = null;
2087                 for (ClusterConfiguration c: ClusterConfiguration.CONFIGURATIONS) {
2088                         if (c.getXMLName().equals(value)) {
2089                                 config = c;
2090                                 break;
2091                         }
2092                 }
2093
2094                 if (config == null) {
2095                         warnings.add("Illegal cluster configuration specified.");
2096                         return;
2097                 }
2098
2099                 ((Clusterable)component).setClusterConfiguration(config);
2100         }
2101 }
2102
2103