List of usage examples for org.eclipse.jdt.internal.core.builder SourceFile SourceFile
public SourceFile(IFile resource, ClasspathMultiDirectory sourceLocation, boolean updateClassFile)
From source file:org.eclipse.jdt.internal.core.builder.IncrementalImageBuilder.java
License:Open Source License
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); }//from w ww . j a v a 2 s. co m } //$FALL-THROUGH$ 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; }