protected void compile(
     SourceFile[] units, SourceFile[] additionalUnits, boolean compilingFirstGroup) {
   if (compilingFirstGroup && additionalUnits != null) {
     // add any source file from additionalUnits to units if it defines secondary types
     // otherwise its possible during testing with MAX_AT_ONCE == 1 that a secondary type
     // can cause an infinite loop as it alternates between not found and defined, see bug 146324
     ArrayList extras = null;
     for (int i = 0, l = additionalUnits.length; i < l; i++) {
       SourceFile unit = additionalUnits[i];
       if (unit != null && this.newState.getDefinedTypeNamesFor(unit.typeLocator()) != null) {
         if (JavaBuilder.DEBUG)
           System.out.println(
               "About to compile file with secondary types " + unit.typeLocator()); // $NON-NLS-1$
         if (extras == null) extras = new ArrayList(3);
         extras.add(unit);
       }
     }
     if (extras != null) {
       int oldLength = units.length;
       int toAdd = extras.size();
       System.arraycopy(units, 0, units = new SourceFile[oldLength + toAdd], 0, oldLength);
       for (int i = 0; i < toAdd; i++) units[oldLength++] = (SourceFile) extras.get(i);
     }
   }
   super.compile(units, additionalUnits, compilingFirstGroup);
 }
  protected void finishedWith(
      String sourceLocator,
      CompilationResult result,
      char[] mainTypeName,
      ArrayList definedTypeNames,
      ArrayList duplicateTypeNames) {
    char[][] previousTypeNames = this.newState.getDefinedTypeNamesFor(sourceLocator);
    if (previousTypeNames == null) previousTypeNames = new char[][] {mainTypeName};
    IPath packagePath = null;
    next:
    for (int i = 0, l = previousTypeNames.length; i < l; i++) {
      char[] previous = previousTypeNames[i];
      for (int j = 0, m = definedTypeNames.size(); j < m; j++)
        if (CharOperation.equals(previous, (char[]) definedTypeNames.get(j))) continue next;

      SourceFile sourceFile = (SourceFile) result.getCompilationUnit();
      if (packagePath == null) {
        int count = sourceFile.sourceLocation.sourceFolder.getFullPath().segmentCount();
        packagePath =
            sourceFile.resource.getFullPath().removeFirstSegments(count).removeLastSegments(1);
      }
      if (this.secondaryTypesToRemove == null)
        this.secondaryTypesToRemove = new SimpleLookupTable();
      ArrayList types =
          (ArrayList) this.secondaryTypesToRemove.get(sourceFile.sourceLocation.binaryFolder);
      if (types == null) types = new ArrayList(definedTypeNames.size());
      types.add(packagePath.append(new String(previous)));
      this.secondaryTypesToRemove.put(sourceFile.sourceLocation.binaryFolder, types);
    }
    super.finishedWith(sourceLocator, result, mainTypeName, definedTypeNames, duplicateTypeNames);
  }
 protected void removeSecondaryTypes() throws CoreException {
   if (this.secondaryTypesToRemove
       != null) { // delayed deleting secondary types until the end of the compile loop
     Object[] keyTable = this.secondaryTypesToRemove.keyTable;
     Object[] valueTable = this.secondaryTypesToRemove.valueTable;
     for (int i = 0, l = keyTable.length; i < l; i++) {
       IContainer outputFolder = (IContainer) keyTable[i];
       if (outputFolder != null) {
         ArrayList paths = (ArrayList) valueTable[i];
         for (int j = 0, m = paths.size(); j < m; j++)
           removeClassFile((IPath) paths.get(j), outputFolder);
       }
     }
     this.secondaryTypesToRemove = null;
     if (this.previousSourceFiles != null)
       this.previousSourceFiles =
           null; // cannot optimize recompile case when a secondary type is deleted, see 181269
   }
 }
  private boolean resourceExists(String location) {
    String bundleJar = null;
    IPath path = new Path(location);
    if ("platform:".equals(path.getDevice()) && path.segmentCount() > 2) { // $NON-NLS-1$
      if ("plugin".equals(path.segment(0))) { // $NON-NLS-1$
        String id = path.segment(1);
        IMonitorModelBase model = MonitorRegistry.findModel(id);
        if (model != null && model.isEnabled()) {
          path = path.setDevice(null).removeFirstSegments(2);
          String bundleLocation = model.getInstallLocation();
          if (bundleLocation.endsWith(".jar")) { // $NON-NLS-1$
            bundleJar = bundleLocation;
          } else {
            path = new Path(model.getInstallLocation()).append(path);
          }
          location = path.toString();
        }
      }
    } else if (path.getDevice() == null
        && path.segmentCount() > 3
        && "platform:".equals(path.segment(0))) { // $NON-NLS-1$
      if ("plugin".equals(path.segment(1))) { // $NON-NLS-1$
        String id = path.segment(2);
        IMonitorModelBase model = MonitorRegistry.findModel(id);
        if (model != null && model.isEnabled()) {
          path = path.removeFirstSegments(3);
          String bundleLocation = model.getInstallLocation();
          if (bundleLocation.endsWith(".jar")) { // $NON-NLS-1$
            bundleJar = bundleLocation;
          } else {
            path = new Path(model.getInstallLocation()).append(path);
          }
          location = path.toString();
        }
      }
    }

    ArrayList paths = new ArrayList();
    if (location.indexOf("$nl$") != -1) { // $NON-NLS-1$
      StringTokenizer tokenizer = new StringTokenizer(TargetPlatform.getNL(), "_"); // $NON-NLS-1$
      String language = tokenizer.hasMoreTokens() ? tokenizer.nextToken() : null;
      String country = tokenizer.hasMoreTokens() ? tokenizer.nextToken() : null;
      if (language != null && country != null)
        paths.add(
            location.replaceAll(
                "\\$nl\\$",
                "nl"
                    + IPath.SEPARATOR
                    + language
                    + IPath.SEPARATOR
                    + country)); //$NON-NLS-1$ //$NON-NLS-2$
      if (language != null)
        paths.add(
            location.replaceAll(
                "\\$nl\\$", "nl" + IPath.SEPARATOR + language)); // $NON-NLS-1$ //$NON-NLS-2$
      paths.add(location.replaceAll("\\$nl\\$", "")); // $NON-NLS-1$ //$NON-NLS-2$
    } else {
      paths.add(location);
    }

    for (int i = 0; i < paths.size(); i++) {
      if (bundleJar == null) {
        IPath currPath = new Path(paths.get(i).toString());
        if (currPath.isAbsolute() && currPath.toFile().exists()) return true;
        if (PDEProject.getBundleRoot(fFile.getProject()).findMember(currPath) != null) return true;
        if (fBuildModel != null
            && fBuildModel.getEntry("source." + paths.get(i)) != null) // $NON-NLS-1$
        return true;
      } else {
        if (CoreUtility.jarContainsResource(new File(bundleJar), paths.get(i).toString(), false))
          return true;
      }
    }

    return false;
  }