| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| |
| import org.eclipse.search.ui.text.Match; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.ASTVisitor; |
| import org.eclipse.jdt.core.dom.AbstractTypeDeclaration; |
| import org.eclipse.jdt.core.dom.AnonymousClassDeclaration; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| 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.Name; |
| import org.eclipse.jdt.core.dom.Type; |
| 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.dom.NodeFinder; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| |
| /** |
| * Finds all implement occurrences of an extended class or an implemented interface. |
| * |
| * @since 3.1 |
| */ |
| public class ImplementOccurrencesFinder implements org.eclipse.jdt.internal.ui.search.IOccurrencesFinder { |
| |
| |
| private class MethodVisitor extends ASTVisitor { |
| |
| /* |
| * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.MethodDeclaration) |
| */ |
| public boolean visit(MethodDeclaration node) { |
| IMethodBinding binding= node.resolveBinding(); |
| if (binding != null) { |
| IMethodBinding method= Bindings.findMethodInHierarchy(fSelectedType, binding.getName(), binding.getParameterTypes()); |
| if (method != null) |
| fResult.add(node.getName()); |
| } |
| return super.visit(node); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.AnonymousClassDeclaration) |
| */ |
| 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) |
| */ |
| public boolean visit(TypeDeclarationStatement node) { |
| // don't dive into local type declarations. |
| return false; |
| } |
| } |
| |
| |
| private ASTNode fStart; |
| private List fResult; |
| private ASTNode fSelectedNode; |
| private ITypeBinding fSelectedType; |
| |
| public ImplementOccurrencesFinder() { |
| fResult= new ArrayList(); |
| } |
| |
| public String initialize(CompilationUnit root, int offset, int length) { |
| ASTNode node= NodeFinder.perform(root, offset, length); |
| if (!(node instanceof Name)) |
| return SearchMessages.ImplementOccurrencesFinder_invalidTarget; |
| |
| fSelectedNode= ASTNodes.getNormalizedNode(node); |
| if (!(fSelectedNode instanceof Type)) |
| return SearchMessages.ImplementOccurrencesFinder_invalidTarget; |
| |
| ASTNode typeDeclaration= fSelectedNode.getParent(); |
| if (!(typeDeclaration instanceof AbstractTypeDeclaration)) |
| return SearchMessages.ImplementOccurrencesFinder_invalidTarget; |
| |
| fSelectedType= ((Type)fSelectedNode).resolveBinding(); |
| if (fSelectedType == null) |
| return SearchMessages.ImplementOccurrencesFinder_invalidTarget; |
| |
| fStart= typeDeclaration; |
| return null; |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.search.IOccurrencesFinder#perform() |
| */ |
| public List perform() { |
| fStart.accept(new MethodVisitor()); |
| if (fSelectedNode != null) |
| fResult.add(fSelectedNode); |
| |
| return fResult; |
| } |
| |
| public void collectOccurrenceMatches(IJavaElement element, IDocument document, Collection resultingMatches) { |
| for (Iterator iter= fResult.iterator(); iter.hasNext();) { |
| ASTNode node= (ASTNode) iter.next(); |
| int startPosition= node.getStartPosition(); |
| int length= node.getLength(); |
| try { |
| int line= document.getLineOfOffset(startPosition); |
| IRegion region= document.getLineInformation(line); |
| String lineContents= document.get(region.getOffset(), region.getLength()).trim(); |
| JavaElementLine groupKey= new JavaElementLine(element, line, lineContents); |
| resultingMatches.add(new Match(groupKey, startPosition, length)); |
| } catch (BadLocationException e) { |
| //nothing |
| } |
| } |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.search.IOccurrencesFinder#getJobLabel() |
| */ |
| public String getJobLabel() { |
| return SearchMessages.ImplementOccurrencesFinder_searchfor ; |
| } |
| |
| public String getPluralLabel(String elementName) { |
| String[] args= new String[] {ASTNodes.asString(fSelectedNode), "{0}", elementName}; //$NON-NLS-1$ |
| return Messages.format(SearchMessages.ImplementOccurrencesFinder_label_plural, args); |
| } |
| |
| public String getSingularLabel(String elementName) { |
| String[] args= new String[] {ASTNodes.asString(fSelectedNode), elementName}; //$NON-NLS-1$ |
| return Messages.format(SearchMessages.ImplementOccurrencesFinder_label_singular, args); |
| } |
| |
| public void releaseAST() { |
| fStart= null; |
| fSelectedType= null; |
| } |
| |
| } |