| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.search; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.ASTVisitor; |
| import org.eclipse.jdt.core.dom.AnonymousClassDeclaration; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.dom.EnumDeclaration; |
| import org.eclipse.jdt.core.dom.IMethodBinding; |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| import org.eclipse.jdt.core.dom.MethodDeclaration; |
| import org.eclipse.jdt.core.dom.Modifier; |
| import org.eclipse.jdt.core.dom.Name; |
| import org.eclipse.jdt.core.dom.NodeFinder; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| import org.eclipse.jdt.core.dom.StructuralPropertyDescriptor; |
| import org.eclipse.jdt.core.dom.Type; |
| import org.eclipse.jdt.core.dom.TypeDeclaration; |
| import org.eclipse.jdt.core.dom.TypeDeclarationStatement; |
| |
| import org.eclipse.jdt.internal.corext.dom.ASTNodes; |
| import org.eclipse.jdt.internal.corext.dom.Bindings; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels; |
| |
| |
| /** |
| * Finds all implement occurrences of an extended class or an implemented interface. |
| * |
| * @since 3.1 |
| */ |
| public class ImplementOccurrencesFinder implements IOccurrencesFinder { |
| |
| |
| public static final String ID= "ImplementOccurrencesFinder"; //$NON-NLS-1$ |
| |
| private class MethodVisitor extends ASTVisitor { |
| |
| /* |
| * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.MethodDeclaration) |
| */ |
| @Override |
| public boolean visit(MethodDeclaration node) { |
| IMethodBinding binding= node.resolveBinding(); |
| if (binding != null && !Modifier.isStatic(binding.getModifiers())) { |
| IMethodBinding method= Bindings.findOverriddenMethodInHierarchy(fSelectedType, binding); |
| if (method != null) { |
| SimpleName name= node.getName(); |
| fResult.add(new OccurrenceLocation(name.getStartPosition(), name.getLength(), 0, fDescription)); |
| } |
| } |
| return super.visit(node); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.AnonymousClassDeclaration) |
| */ |
| @Override |
| public boolean visit(AnonymousClassDeclaration node) { |
| // don't dive into anonymous type declarations. |
| return false; |
| } |
| |
| /* |
| * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.TypeDeclarationStatement) |
| */ |
| @Override |
| public boolean visit(TypeDeclarationStatement node) { |
| // don't dive into local type declarations. |
| return false; |
| } |
| } |
| |
| private CompilationUnit fASTRoot; |
| private ASTNode fStart; |
| private List<OccurrenceLocation> fResult; |
| private ASTNode fSelectedNode; |
| private ITypeBinding fSelectedType; |
| private String fDescription; |
| |
| public ImplementOccurrencesFinder() { |
| fResult= new ArrayList<OccurrenceLocation>(); |
| } |
| |
| public String initialize(CompilationUnit root, int offset, int length) { |
| return initialize(root, NodeFinder.perform(root, offset, length)); |
| } |
| |
| public String initialize(CompilationUnit root, ASTNode node) { |
| if (!(node instanceof Name)) |
| return SearchMessages.ImplementOccurrencesFinder_invalidTarget; |
| |
| fSelectedNode= ASTNodes.getNormalizedNode(node); |
| if (!(fSelectedNode instanceof Type)) |
| return SearchMessages.ImplementOccurrencesFinder_invalidTarget; |
| |
| StructuralPropertyDescriptor location= fSelectedNode.getLocationInParent(); |
| if (location != TypeDeclaration.SUPERCLASS_TYPE_PROPERTY && location != TypeDeclaration.SUPER_INTERFACE_TYPES_PROPERTY && location != EnumDeclaration.SUPER_INTERFACE_TYPES_PROPERTY) |
| return SearchMessages.ImplementOccurrencesFinder_invalidTarget; |
| |
| fSelectedType= ((Type)fSelectedNode).resolveBinding(); |
| if (fSelectedType == null) |
| return SearchMessages.ImplementOccurrencesFinder_invalidTarget; |
| |
| fStart= fSelectedNode.getParent(); // type declaration |
| fASTRoot= root; |
| fDescription= Messages.format(SearchMessages.ImplementOccurrencesFinder_occurrence_description, BasicElementLabels.getJavaElementName(fSelectedType.getName())); |
| |
| return null; |
| } |
| |
| private void performSearch() { |
| fStart.accept(new MethodVisitor()); |
| if (fSelectedNode != null) |
| fResult.add(new OccurrenceLocation(fSelectedNode.getStartPosition(), fSelectedNode.getLength(), 0, fDescription)); |
| } |
| |
| public OccurrenceLocation[] getOccurrences() { |
| performSearch(); |
| if (fResult.isEmpty()) |
| return null; |
| return fResult.toArray(new OccurrenceLocation[fResult.size()]); |
| } |
| |
| public int getSearchKind() { |
| return K_IMPLEMENTS_OCCURRENCE; |
| } |
| |
| public CompilationUnit getASTRoot() { |
| return fASTRoot; |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.search.IOccurrencesFinder#getJobLabel() |
| */ |
| public String getJobLabel() { |
| return SearchMessages.ImplementOccurrencesFinder_searchfor ; |
| } |
| |
| public String getElementName() { |
| if (fSelectedNode != null) { |
| return ASTNodes.asString(fSelectedNode); |
| } |
| return null; |
| } |
| |
| public String getUnformattedPluralLabel() { |
| return SearchMessages.ImplementOccurrencesFinder_label_plural; |
| } |
| |
| public String getUnformattedSingularLabel() { |
| return SearchMessages.ImplementOccurrencesFinder_label_singular; |
| } |
| |
| public String getID() { |
| return ID; |
| } |
| |
| } |