private static String getRenameKind(IJavaElement e) { switch (e.getElementType()) { case IJavaElement.COMPILATION_UNIT: return IJavaRefactorings.RENAME_COMPILATION_UNIT; case IJavaElement.FIELD: return IJavaRefactorings.RENAME_FIELD; case IJavaElement.LOCAL_VARIABLE: return IJavaRefactorings.RENAME_LOCAL_VARIABLE; case IJavaElement.METHOD: return IJavaRefactorings.RENAME_METHOD; case IJavaElement.TYPE: return IJavaRefactorings.RENAME_TYPE; case IJavaElement.TYPE_PARAMETER: return IJavaRefactorings.RENAME_TYPE_PARAMETER; case IJavaElement.PACKAGE_FRAGMENT: return IJavaRefactorings.RENAME_PACKAGE; case IJavaElement.PACKAGE_FRAGMENT_ROOT: return IJavaRefactorings.RENAME_PACKAGE; default: throw new RuntimeException("Unexpected object `" + e.getClass() + "' to rename"); } }
public JavaRefactoringDescriptor buildEclipseDescriptor() throws Exception { System.err.println("[eclipse-rename] Building descriptor..."); IJavaElement element = location.getIJavaElement(); String kind = getRenameKind(element); // [1] BUGFIX was needed: The scripting interface didn't allow VariableDeclarationFragments as // IJavaElements // and thus had to be extended // [2] WORKAROUND for scripting interface bug (see below) if (kind.equals(IJavaRefactorings.RENAME_METHOD)) { IMethod m = (IMethod) element; if (m.isConstructor()) { // Rename the type instead (as the UI would do-- the scripting interface will only rename // the constructor, which is broken) kind = IJavaRefactorings.RENAME_TYPE; element = m.getDeclaringType(); } } System.err.println("[eclipse-rename] Kind = " + kind + ", element = " + element); // [3] Don't test for package fragments now if (kind.equals(IJavaRefactorings.RENAME_PACKAGE)) return null; // don't bother with this now if (element == null) { System.err.println("!!! ABORT: No IJavaElement to represent location"); throw new RuntimeException("!!! ABORT: No IJavaElement for location"); } if (element instanceof ILocalVariable) { System.err.println("element is of type " + element.getClass()); final ILocalVariable fLocalVariable = (ILocalVariable) element; final ISourceRange sourceRange = fLocalVariable.getNameRange(); final CompilationUnit fCompilationUnitNode = location.getCompilationUnit(); ASTNode name = NodeFinder.perform(fCompilationUnitNode, sourceRange); System.err.println("node is of type " + name.getClass()); if (name == null) System.err.println("!!! ILV doesn't have associated name!"); if (name.getParent() instanceof VariableDeclaration) System.err.println("ILV has parent : " + (VariableDeclaration) name.getParent()); else System.err.println( "!!! ILV doesn't have var declaration parent, instead " + name.getParent().getClass()); } System.err.println("Trying to rename a " + kind + ": " + element); if (element instanceof SimpleName) System.err.println(" Name = '" + ((SimpleName) element).getIdentifier() + "'"); if (kind.equals(IJavaRefactorings.RENAME_TYPE)) { System.err.println("(Possibly need a new launch configuration)"); tproject.renameClass((IType) element, new_name); } final RenameJavaElementDescriptor descriptor = (RenameJavaElementDescriptor) getDescriptor(kind); descriptor.setJavaElement(element); descriptor.setNewName(this.new_name); if (element.getElementType() == IJavaElement.TYPE || element.getElementType() == IJavaElement.PACKAGE_FRAGMENT) descriptor.setUpdateQualifiedNames(true); else descriptor.setUpdateQualifiedNames(false); descriptor.setUpdateReferences(true); descriptor.setDeprecateDelegate(false); descriptor.setRenameGetters(false); descriptor.setRenameSetters(false); descriptor.setKeepOriginal(false); descriptor.setUpdateHierarchy(false); descriptor.setUpdateSimilarDeclarations(false); // [3] Fix: Eclipse will complain if the transformation is a no-op, but we don't want that: if (element.getElementName().equals(this.new_name)) throw new NOPException(); System.err.println("[eclipse-rename] Computed descriptor."); return descriptor; }