| /******************************************************************************* |
| * Copyright (c) 2004 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.jst.jsp.core.internal.java.search; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.jdt.core.search.IJavaSearchScope; |
| import org.eclipse.jdt.core.search.SearchDocument; |
| import org.eclipse.jdt.core.search.SearchEngine; |
| import org.eclipse.jdt.core.search.SearchParticipant; |
| import org.eclipse.jdt.core.search.SearchPattern; |
| import org.eclipse.jdt.core.search.SearchRequestor; |
| |
| /** |
| * Integration of JSP w/ java search. |
| * |
| * @author pavery |
| */ |
| public class JSPSearchParticipant extends SearchParticipant { |
| |
| // for debugging |
| private static final boolean DEBUG = calculateValue(); |
| |
| private static boolean calculateValue() { |
| String value = Platform.getDebugOption("org.eclipse.jst.jsp.core/debug/jspsearch"); //$NON-NLS-1$ |
| boolean debug = value != null && value.equalsIgnoreCase("true"); //$NON-NLS-1$ |
| return debug; |
| } |
| |
| /** |
| * Important to never return null here or else Java search participation |
| * will break. |
| */ |
| public SearchDocument getDocument(String documentPath) { |
| SearchDocument sDoc = JSPSearchSupport.getInstance().getSearchDocument(documentPath); |
| |
| if (sDoc == null) { |
| // return a dummy doc here so search participation doesn't break |
| return new NullSearchDocument(documentPath); |
| } |
| return sDoc; |
| } |
| |
| public String getDescription() { |
| return "JSP"; //$NON-NLS-1$ |
| } |
| |
| public IPath[] selectIndexes(SearchPattern pattern, IJavaSearchScope scope) { |
| JSPPathIndexer indexer = new JSPPathIndexer(); |
| return indexer.getVisibleJspPaths(pattern, scope); |
| } |
| |
| public void indexDocument(SearchDocument document, IPath indexPath) { |
| if (!(document instanceof JavaSearchDocumentDelegate)) |
| return; |
| |
| // use Java search indexing |
| SearchEngine.getDefaultSearchParticipant().indexDocument(document, indexPath); |
| } |
| |
| public void locateMatches(SearchDocument[] indexMatches, SearchPattern pattern, IJavaSearchScope scope, SearchRequestor requestor, IProgressMonitor monitor) throws CoreException { |
| |
| if (monitor != null && monitor.isCanceled()) |
| return; |
| |
| // filter out null matches |
| List filtered = new ArrayList(); |
| SearchDocument match = null; |
| for (int i = 0; i < indexMatches.length; i++) { |
| if (DEBUG) |
| System.out.println("found possible matching JavaSearchDocumentDelegate: " + indexMatches[i]); //$NON-NLS-1$ |
| match = indexMatches[i]; |
| if (match != null) { |
| // some matches may be null, or if the index is out of date, |
| // the file may not even exist |
| if (match instanceof JavaSearchDocumentDelegate && ((JavaSearchDocumentDelegate) match).getFile().exists()) |
| filtered.add(match); |
| } |
| } |
| |
| indexMatches = (SearchDocument[]) filtered.toArray(new SearchDocument[filtered.size()]); |
| SearchEngine.getDefaultSearchParticipant().locateMatches(indexMatches, pattern, scope, requestor, monitor); |
| } |
| |
| /** |
| * @see org.eclipse.jdt.core.search.SearchParticipant#getDocument(org.eclipse.core.resources.IFile) |
| */ |
| public SearchDocument getDocument(IFile file) { |
| // never gets called? |
| return null; |
| } |
| } |