protected boolean findSourceFiles(IResourceDelta delta) throws CoreException { ArrayList visited = this.makeOutputFolderConsistent ? new ArrayList(this.sourceLocations.length) : null; for (int i = 0, l = this.sourceLocations.length; i < l; i++) { ClasspathMultiDirectory md = this.sourceLocations[i]; if (this.makeOutputFolderConsistent && md.hasIndependentOutputFolder && !visited.contains(md.binaryFolder)) { // even a project which acts as its own source folder can have an independent/nested output // folder visited.add(md.binaryFolder); IResourceDelta binaryDelta = delta.findMember(md.binaryFolder.getProjectRelativePath()); if (binaryDelta != null) { int segmentCount = binaryDelta.getFullPath().segmentCount(); IResourceDelta[] children = binaryDelta.getAffectedChildren(); for (int j = 0, m = children.length; j < m; j++) if (!checkForClassFileChanges(children[j], md, segmentCount)) return false; } } if (md.sourceFolder.equals(this.javaBuilder.currentProject)) { // skip nested source & output folders when the project is a source folder int segmentCount = delta.getFullPath().segmentCount(); IResourceDelta[] children = delta.getAffectedChildren(); for (int j = 0, m = children.length; j < m; j++) if (!isExcludedFromProject(children[j].getFullPath())) if (!findSourceFiles(children[j], md, segmentCount)) return false; } else { IResourceDelta sourceDelta = delta.findMember(md.sourceFolder.getProjectRelativePath()); if (sourceDelta != null) { if (sourceDelta.getKind() == IResourceDelta.REMOVED) { if (JavaBuilder.DEBUG) System.out.println( "ABORTING incremental build... found removed source folder"); //$NON-NLS-1$ return false; // removed source folder should not make it here, but handle anyways // (ADDED is supported) } int segmentCount = sourceDelta.getFullPath().segmentCount(); IResourceDelta[] children = sourceDelta.getAffectedChildren(); try { for (int j = 0, m = children.length; j < m; j++) if (!findSourceFiles(children[j], md, segmentCount)) return false; } catch (CoreException e) { // catch the case that a package has been renamed and collides on disk with an // as-yet-to-be-deleted package if (e.getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) { if (JavaBuilder.DEBUG) System.out.println( "ABORTING incremental build... found renamed package"); //$NON-NLS-1$ return false; } throw e; // rethrow } } } this.notifier.checkCancel(); } return true; }
/** * @see * org.eclipse.jdt.internal.core.builder.AbstractImageBuilder#writeClassFileContents(org.eclipse.jdt.internal.compiler.ClassFile, * org.eclipse.core.resources.IFile, java.lang.String, boolean, * org.eclipse.jdt.internal.core.builder.SourceFile) */ protected void writeClassFileContents( ClassFile classfile, IFile file, String qualifiedFileName, boolean isTopLevelType, SourceFile compilationUnit) throws CoreException { // Before writing out the class file, compare it to the previous file // If structural changes occurred then add dependent source files byte[] bytes = classfile.getBytes(); if (file.exists()) { if (writeClassFileCheck(file, qualifiedFileName, bytes) || compilationUnit.updateClassFile) { // see 46093 if (JavaBuilder.DEBUG) System.out.println("Writing changed class file " + file.getName()); // $NON-NLS-1$ if (!file.isDerived()) file.setDerived(true, null); file.setContents(new ByteArrayInputStream(bytes), true, false, null); } else if (JavaBuilder.DEBUG) { System.out.println("Skipped over unchanged class file " + file.getName()); // $NON-NLS-1$ } } else { if (isTopLevelType) addDependentsOf(new Path(qualifiedFileName), true); // new type if (JavaBuilder.DEBUG) System.out.println("Writing new class file " + file.getName()); // $NON-NLS-1$ try { file.create(new ByteArrayInputStream(bytes), IResource.FORCE | IResource.DERIVED, null); } catch (CoreException e) { if (e.getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) { IStatus status = e.getStatus(); if (status instanceof IResourceStatus) { IPath oldFilePath = ((IResourceStatus) status).getPath(); char[] oldTypeName = oldFilePath.removeFileExtension().lastSegment().toCharArray(); char[][] previousTypeNames = this.newState.getDefinedTypeNamesFor(compilationUnit.typeLocator()); boolean fromSameFile = false; if (previousTypeNames == null) { fromSameFile = CharOperation.equals(compilationUnit.getMainTypeName(), oldTypeName); } else { for (int i = 0, l = previousTypeNames.length; i < l; i++) { if (CharOperation.equals(previousTypeNames[i], oldTypeName)) { fromSameFile = true; break; } } } if (fromSameFile) { // file is defined by the same compilationUnit, but won't be deleted until later so do // it now IFile collision = file.getParent().getFile(new Path(oldFilePath.lastSegment())); collision.delete(true, false, null); boolean success = false; try { file.create( new ByteArrayInputStream(bytes), IResource.FORCE | IResource.DERIVED, null); success = true; } catch (CoreException ignored) { // ignore the second exception } if (success) return; } } // catch the case that a type has been renamed and collides on disk with an // as-yet-to-be-deleted type throw new AbortCompilation(true, new AbortIncrementalBuildException(qualifiedFileName)); } throw e; // rethrow } } }