protected boolean checkForClassFileChanges(
      IResourceDelta binaryDelta, ClasspathMultiDirectory md, int segmentCount)
      throws CoreException {
    IResource resource = binaryDelta.getResource();
    // remember that if inclusion & exclusion patterns change then a full build is done
    boolean isExcluded =
        (md.exclusionPatterns != null || md.inclusionPatterns != null)
            && Util.isExcluded(resource, md.inclusionPatterns, md.exclusionPatterns);
    switch (resource.getType()) {
      case IResource.FOLDER:
        if (isExcluded && md.inclusionPatterns == null)
          return true; // no need to go further with this delta since its children cannot be
        // included

        IResourceDelta[] children = binaryDelta.getAffectedChildren();
        for (int i = 0, l = children.length; i < l; i++)
          if (!checkForClassFileChanges(children[i], md, segmentCount)) return false;
        return true;
      case IResource.FILE:
        if (!isExcluded
            && org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(resource.getName())) {
          // perform full build if a managed class file has been changed
          IPath typePath =
              resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
          if (this.newState.isKnownType(typePath.toString())) {
            if (JavaBuilder.DEBUG)
              System.out.println(
                  "MUST DO FULL BUILD. Found change to class file " + typePath); // $NON-NLS-1$
            return false;
          }
          return true;
        }
    }
    return true;
  }
 /**
  * Unzips the transferred file. Returns <code>true</code> if the unzip was successful, and <code>
  * false</code> otherwise. In case of failure, this method handles setting an appropriate
  * response.
  */
 private boolean completeUnzip(HttpServletRequest req, HttpServletResponse resp)
     throws ServletException {
   IPath destPath = new Path(getPath());
   try {
     ZipFile source = new ZipFile(new File(getStorageDirectory(), FILE_DATA));
     IFileStore destinationRoot = NewFileServlet.getFileStore(destPath);
     Enumeration<? extends ZipEntry> entries = source.entries();
     while (entries.hasMoreElements()) {
       ZipEntry entry = entries.nextElement();
       IFileStore destination = destinationRoot.getChild(entry.getName());
       if (entry.isDirectory()) destination.mkdir(EFS.NONE, null);
       else {
         destination.getParent().mkdir(EFS.NONE, null);
         IOUtilities.pipe(
             source.getInputStream(entry),
             destination.openOutputStream(EFS.NONE, null),
             false,
             true);
       }
     }
     source.close();
   } catch (ZipException e) {
     // zip exception implies client sent us invalid input
     String msg = NLS.bind("Failed to complete file transfer on {0}", destPath.toString());
     statusHandler.handleRequest(
         req, resp, new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, e));
     return false;
   } catch (Exception e) {
     // other failures should be considered server errors
     String msg = NLS.bind("Failed to complete file transfer on {0}", destPath.toString());
     statusHandler.handleRequest(
         req,
         resp,
         new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg, e));
     return false;
   }
   return true;
 }
 protected void removeClassFile(IPath typePath, IContainer outputFolder) throws CoreException {
   if (typePath.lastSegment().indexOf('$') == -1) { // is not a nested type
     this.newState.removeQualifiedTypeName(typePath.toString());
     // add dependents even when the type thinks it does not exist to be on the safe side
     if (JavaBuilder.DEBUG) System.out.println("Found removed type " + typePath); // $NON-NLS-1$
     addDependentsOf(
         typePath,
         true); // when member types are removed, their enclosing type is structurally changed
   }
   IFile classFile =
       outputFolder.getFile(typePath.addFileExtension(SuffixConstants.EXTENSION_class));
   if (classFile.exists()) {
     if (JavaBuilder.DEBUG)
       System.out.println("Deleting class file of removed type " + typePath); // $NON-NLS-1$
     classFile.delete(IResource.FORCE, null);
   }
 }
 /**
  * Completes a move after a file transfer. Returns <code>true</code> if the move was successful,
  * and <code>false</code> otherwise. In case of failure, this method handles setting an
  * appropriate response.
  */
 private boolean completeMove(HttpServletRequest req, HttpServletResponse resp)
     throws ServletException {
   IPath destPath = new Path(getPath()).append(getFileName());
   try {
     IFileStore source = EFS.getStore(new File(getStorageDirectory(), FILE_DATA).toURI());
     IFileStore destination = NewFileServlet.getFileStore(destPath);
     source.move(destination, EFS.OVERWRITE, null);
   } catch (CoreException e) {
     String msg = NLS.bind("Failed to complete file transfer on {0}", destPath.toString());
     statusHandler.handleRequest(
         req,
         resp,
         new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg, e));
     return false;
   }
   return true;
 }
 boolean filterExtraResource(IResource resource) {
   if (this.extraResourceFileFilters != null) {
     char[] name = resource.getName().toCharArray();
     for (int i = 0, l = this.extraResourceFileFilters.length; i < l; i++)
       if (CharOperation.match(this.extraResourceFileFilters[i], name, true)) return true;
   }
   if (this.extraResourceFolderFilters != null) {
     IPath path = resource.getProjectRelativePath();
     String pathName = path.toString();
     int count = path.segmentCount();
     if (resource.getType() == IResource.FILE) count--;
     for (int i = 0, l = this.extraResourceFolderFilters.length; i < l; i++)
       if (pathName.indexOf(this.extraResourceFolderFilters[i]) != -1)
         for (int j = 0; j < count; j++)
           if (this.extraResourceFolderFilters[i].equals(path.segment(j))) return true;
   }
   return false;
 }
 private boolean identifyNewDiffResource(HttpServletRequest request, HttpServletResponse response)
     throws ServletException {
   try {
     StringWriter writer = new StringWriter();
     IOUtilities.pipe(request.getReader(), writer, false, false);
     JSONObject requestObject = new JSONObject(writer.toString());
     URI u = getURI(request);
     IPath p = new Path(u.getPath());
     IPath np = new Path("/"); // $NON-NLS-1$
     for (int i = 0; i < p.segmentCount(); i++) {
       String s = p.segment(i);
       if (i == 2) {
         s += ".."; // $NON-NLS-1$
         s += GitUtils.encode(requestObject.getString(GitConstants.KEY_COMMIT_NEW));
       }
       np = np.append(s);
     }
     if (p.hasTrailingSeparator()) np = np.addTrailingSeparator();
     URI nu =
         new URI(
             u.getScheme(),
             u.getUserInfo(),
             u.getHost(),
             u.getPort(),
             np.toString(),
             u.getQuery(),
             u.getFragment());
     JSONObject result = new JSONObject();
     result.put(ProtocolConstants.KEY_LOCATION, nu.toString());
     OrionServlet.writeJSONResponse(request, response, result);
     response.setHeader(
         ProtocolConstants.HEADER_LOCATION, resovleOrionURI(request, nu).toString());
     return true;
   } catch (Exception e) {
     return statusHandler.handleRequest(
         request,
         response,
         new ServerStatus(
             IStatus.ERROR,
             HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
             "An error occured when identifying a new Diff resource.",
             e));
   }
 }
 private boolean identifyNewCommitResource(
     HttpServletRequest request, HttpServletResponse response, Repository db, String newCommit)
     throws ServletException {
   try {
     URI u = getURI(request);
     IPath p = new Path(u.getPath());
     IPath np = new Path("/"); // $NON-NLS-1$
     for (int i = 0; i < p.segmentCount(); i++) {
       String s = p.segment(i);
       if (i == 2) {
         s += ".." + newCommit; // $NON-NLS-1$
       }
       np = np.append(s);
     }
     if (p.hasTrailingSeparator()) np = np.addTrailingSeparator();
     URI nu =
         new URI(
             u.getScheme(),
             u.getUserInfo(),
             u.getHost(),
             u.getPort(),
             np.toString(),
             u.getQuery(),
             u.getFragment());
     JSONObject result = new JSONObject();
     result.put(ProtocolConstants.KEY_LOCATION, nu);
     OrionServlet.writeJSONResponse(
         request, response, result, JsonURIUnqualificationStrategy.ALL_NO_GIT);
     response.setHeader(
         ProtocolConstants.HEADER_LOCATION, resovleOrionURI(request, nu).toString());
     return true;
   } catch (Exception e) {
     return statusHandler.handleRequest(
         request,
         response,
         new ServerStatus(
             IStatus.ERROR,
             HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
             "An error occured when identifying a new Commit resource.",
             e));
   }
 }
  protected boolean findSourceFiles(
      IResourceDelta sourceDelta, ClasspathMultiDirectory md, int segmentCount)
      throws CoreException {
    // When a package becomes a type or vice versa, expect 2 deltas,
    // one on the folder & one on the source file
    IResource resource = sourceDelta.getResource();
    // remember that if inclusion & exclusion patterns change then a full build is done
    boolean isExcluded =
        (md.exclusionPatterns != null || md.inclusionPatterns != null)
            && Util.isExcluded(resource, md.inclusionPatterns, md.exclusionPatterns);
    switch (resource.getType()) {
      case IResource.FOLDER:
        if (isExcluded && md.inclusionPatterns == null)
          return true; // no need to go further with this delta since its children cannot be
        // included

        switch (sourceDelta.getKind()) {
          case IResourceDelta.ADDED:
            if (!isExcluded) {
              IPath addedPackagePath = resource.getFullPath().removeFirstSegments(segmentCount);
              createFolder(
                  addedPackagePath, md.binaryFolder); // ensure package exists in the output folder
              // see if any known source file is from the same package... classpath already includes
              // new package
              if (this.sourceLocations.length > 1
                  && this.newState.isKnownPackage(addedPackagePath.toString())) {
                if (JavaBuilder.DEBUG)
                  System.out.println(
                      "Skipped dependents of added package " + addedPackagePath); // $NON-NLS-1$
              } else {
                if (JavaBuilder.DEBUG)
                  System.out.println("Found added package " + addedPackagePath); // $NON-NLS-1$
                addDependentsOf(addedPackagePath, true);
              }
            }
            // $FALL-THROUGH$ collect all the source files
          case IResourceDelta.CHANGED:
            IResourceDelta[] children = sourceDelta.getAffectedChildren();
            for (int i = 0, l = children.length; i < l; i++)
              if (!findSourceFiles(children[i], md, segmentCount)) return false;
            return true;
          case IResourceDelta.REMOVED:
            if (isExcluded) {
              // since this folder is excluded then there is nothing to delete (from this md), but
              // must walk any included subfolders
              children = sourceDelta.getAffectedChildren();
              for (int i = 0, l = children.length; i < l; i++)
                if (!findSourceFiles(children[i], md, segmentCount)) return false;
              return true;
            }
            IPath removedPackagePath = resource.getFullPath().removeFirstSegments(segmentCount);
            if (this.sourceLocations.length > 1) {
              for (int i = 0, l = this.sourceLocations.length; i < l; i++) {
                if (this.sourceLocations[i].sourceFolder.getFolder(removedPackagePath).exists()) {
                  // only a package fragment was removed, same as removing multiple source files
                  createFolder(
                      removedPackagePath,
                      md.binaryFolder); // ensure package exists in the output folder
                  IResourceDelta[] removedChildren = sourceDelta.getAffectedChildren();
                  for (int j = 0, m = removedChildren.length; j < m; j++)
                    if (!findSourceFiles(removedChildren[j], md, segmentCount)) return false;
                  return true;
                }
              }
            }
            if ((sourceDelta.getFlags() & IResourceDelta.MOVED_TO) != 0) {
              // same idea as moving a source file
              // see bug 163200
              IResource movedFolder =
                  this.javaBuilder.workspaceRoot.getFolder(sourceDelta.getMovedToPath());
              JavaBuilder.removeProblemsAndTasksFor(movedFolder);
            }
            IFolder removedPackageFolder = md.binaryFolder.getFolder(removedPackagePath);
            if (removedPackageFolder.exists()) removedPackageFolder.delete(IResource.FORCE, null);
            // add dependents even when the package thinks it does not exist to be on the safe side
            if (JavaBuilder.DEBUG)
              System.out.println("Found removed package " + removedPackagePath); // $NON-NLS-1$
            addDependentsOf(removedPackagePath, true);
            this.newState.removePackage(sourceDelta);
        }
        return true;
      case IResource.FILE:
        if (isExcluded) return true;

        String resourceName = resource.getName();
        // GROOVY start
        // determine if this is a Groovy project
        final boolean isInterestingProject =
            LanguageSupportFactory.isInterestingProject(this.javaBuilder.getProject());
        // GROOVY end

        // GROOVY start
        /* old {
        if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(resourceName)) {
        } new */
        // GRECLIPSE-404 must call 'isJavaLikeFile' directly in order to make the Scala-Eclipse
        // plugin's weaving happy
        if ((!isInterestingProject
                && org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(resourceName)
                && !LanguageSupportFactory.isInterestingSourceFile(resourceName))
            || (isInterestingProject
                && LanguageSupportFactory.isSourceFile(resourceName, isInterestingProject))) {
          // GROOVY end
          IPath typePath =
              resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
          String typeLocator = resource.getProjectRelativePath().toString();
          switch (sourceDelta.getKind()) {
            case IResourceDelta.ADDED:
              if (JavaBuilder.DEBUG)
                System.out.println("Compile this added source file " + typeLocator); // $NON-NLS-1$
              this.sourceFiles.add(new SourceFile((IFile) resource, md, true));
              String typeName = typePath.toString();
              if (!this.newState.isDuplicateLocator(
                  typeName, typeLocator)) { // adding dependents results in 2 duplicate errors
                if (JavaBuilder.DEBUG)
                  System.out.println("Found added source file " + typeName); // $NON-NLS-1$
                addDependentsOf(typePath, true);
              }
              return true;
            case IResourceDelta.REMOVED:
              char[][] definedTypeNames = this.newState.getDefinedTypeNamesFor(typeLocator);
              if (definedTypeNames == null) { // defined a single type matching typePath
                removeClassFile(typePath, md.binaryFolder);
                if ((sourceDelta.getFlags() & IResourceDelta.MOVED_TO) != 0) {
                  // remove problems and tasks for a compilation unit that is being moved (to
                  // another package or renamed)
                  // if the target file is a compilation unit, the new cu will be recompiled
                  // if the target file is a non-java resource, then markers are removed
                  // see bug 2857
                  IResource movedFile =
                      this.javaBuilder.workspaceRoot.getFile(sourceDelta.getMovedToPath());
                  JavaBuilder.removeProblemsAndTasksFor(movedFile);
                }
              } else {
                if (JavaBuilder.DEBUG)
                  System.out.println(
                      "Found removed source file " + typePath.toString()); // $NON-NLS-1$
                addDependentsOf(
                    typePath,
                    true); // add dependents of the source file since it may be involved in a name
                // collision
                if (definedTypeNames.length
                    > 0) { // skip it if it failed to successfully define a type
                  IPath packagePath = typePath.removeLastSegments(1);
                  for (int i = 0, l = definedTypeNames.length; i < l; i++)
                    removeClassFile(
                        packagePath.append(new String(definedTypeNames[i])), md.binaryFolder);
                }
              }
              this.newState.removeLocator(typeLocator);
              return true;
            case IResourceDelta.CHANGED:
              if ((sourceDelta.getFlags() & IResourceDelta.CONTENT) == 0
                  && (sourceDelta.getFlags() & IResourceDelta.ENCODING) == 0)
                return true; // skip it since it really isn't changed
              if (JavaBuilder.DEBUG)
                System.out.println(
                    "Compile this changed source file " + typeLocator); // $NON-NLS-1$
              this.sourceFiles.add(new SourceFile((IFile) resource, md, true));
          }
          return true;
        } else if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(resourceName)) {
          // perform full build if a managed class file has been changed
          if (this.makeOutputFolderConsistent) {
            IPath typePath =
                resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
            if (this.newState.isKnownType(typePath.toString())) {
              if (JavaBuilder.DEBUG)
                System.out.println(
                    "MUST DO FULL BUILD. Found change to class file " + typePath); // $NON-NLS-1$
              return false;
            }
          }
          return true;
        } else if (md.hasIndependentOutputFolder) {
          if (this.javaBuilder.filterExtraResource(resource)) return true;

          // copy all other resource deltas to the output folder
          IPath resourcePath = resource.getFullPath().removeFirstSegments(segmentCount);
          IResource outputFile = md.binaryFolder.getFile(resourcePath);
          switch (sourceDelta.getKind()) {
            case IResourceDelta.ADDED:
              if (outputFile.exists()) {
                if (JavaBuilder.DEBUG)
                  System.out.println("Deleting existing file " + resourcePath); // $NON-NLS-1$
                outputFile.delete(IResource.FORCE, null);
              }
              if (JavaBuilder.DEBUG)
                System.out.println("Copying added file " + resourcePath); // $NON-NLS-1$
              createFolder(
                  resourcePath.removeLastSegments(1),
                  md.binaryFolder); // ensure package exists in the output folder
              copyResource(resource, outputFile);
              return true;
            case IResourceDelta.REMOVED:
              if (outputFile.exists()) {
                if (JavaBuilder.DEBUG)
                  System.out.println("Deleting removed file " + resourcePath); // $NON-NLS-1$
                outputFile.delete(IResource.FORCE, null);
              }
              return true;
            case IResourceDelta.CHANGED:
              if ((sourceDelta.getFlags() & IResourceDelta.CONTENT) == 0
                  && (sourceDelta.getFlags() & IResourceDelta.ENCODING) == 0)
                return true; // skip it since it really isn't changed
              if (outputFile.exists()) {
                if (JavaBuilder.DEBUG)
                  System.out.println("Deleting existing file " + resourcePath); // $NON-NLS-1$
                outputFile.delete(IResource.FORCE, null);
              }
              if (JavaBuilder.DEBUG)
                System.out.println("Copying changed file " + resourcePath); // $NON-NLS-1$
              createFolder(
                  resourcePath.removeLastSegments(1),
                  md.binaryFolder); // ensure package exists in the output folder
              copyResource(resource, outputFile);
          }
          return true;
        }
    }
    return true;
  }
 protected void findAffectedSourceFiles(
     IResourceDelta binaryDelta, int segmentCount, StringSet structurallyChangedTypes) {
   // When a package becomes a type or vice versa, expect 2 deltas,
   // one on the folder & one on the class file
   IResource resource = binaryDelta.getResource();
   switch (resource.getType()) {
     case IResource.FOLDER:
       switch (binaryDelta.getKind()) {
         case IResourceDelta.ADDED:
         case IResourceDelta.REMOVED:
           IPath packagePath = resource.getFullPath().removeFirstSegments(segmentCount);
           String packageName = packagePath.toString();
           if (binaryDelta.getKind() == IResourceDelta.ADDED) {
             // see if any known source file is from the same package... classpath already includes
             // new package
             if (!this.newState.isKnownPackage(packageName)) {
               if (JavaBuilder.DEBUG)
                 System.out.println("Found added package " + packageName); // $NON-NLS-1$
               addDependentsOf(packagePath, false);
               return;
             }
             if (JavaBuilder.DEBUG)
               System.out.println(
                   "Skipped dependents of added package " + packageName); // $NON-NLS-1$
           } else {
             // see if the package still exists on the classpath
             if (!this.nameEnvironment.isPackage(packageName)) {
               if (JavaBuilder.DEBUG)
                 System.out.println("Found removed package " + packageName); // $NON-NLS-1$
               addDependentsOf(packagePath, false);
               return;
             }
             if (JavaBuilder.DEBUG)
               System.out.println(
                   "Skipped dependents of removed package " + packageName); // $NON-NLS-1$
           }
           // $FALL-THROUGH$ traverse the sub-packages and .class files
         case IResourceDelta.CHANGED:
           IResourceDelta[] children = binaryDelta.getAffectedChildren();
           for (int i = 0, l = children.length; i < l; i++)
             findAffectedSourceFiles(children[i], segmentCount, structurallyChangedTypes);
       }
       return;
     case IResource.FILE:
       if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(resource.getName())) {
         IPath typePath =
             resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
         switch (binaryDelta.getKind()) {
           case IResourceDelta.ADDED:
           case IResourceDelta.REMOVED:
             if (JavaBuilder.DEBUG)
               System.out.println("Found added/removed class file " + typePath); // $NON-NLS-1$
             addDependentsOf(typePath, false);
             return;
           case IResourceDelta.CHANGED:
             if ((binaryDelta.getFlags() & IResourceDelta.CONTENT) == 0)
               return; // skip it since it really isn't changed
             if (structurallyChangedTypes != null
                 && !structurallyChangedTypes.includes(typePath.toString()))
               return; // skip since it wasn't a structural change
             if (JavaBuilder.DEBUG)
               System.out.println("Found changed class file " + typePath); // $NON-NLS-1$
             addDependentsOf(typePath, false);
         }
         return;
       }
   }
 }
 /** Sets the path of the file in the workspace once the import completes. */
 public void setPath(IPath path) {
   props.put(KEY_PATH, path.toString());
 }