| /******************************************************************************* |
| * 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.help.internal.search.federated; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.help.internal.base.*; |
| import org.eclipse.help.internal.search.*; |
| import org.eclipse.help.internal.workingset.WorkingSet; |
| import org.eclipse.help.search.*; |
| |
| /** |
| * Local Help search engine participant in the federated search. |
| */ |
| public class LocalHelp implements ISearchEngine2 { |
| private static final int MAX_HITS = 500; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.help.internal.search.federated.ISearchEngine#run(java.lang.String, |
| * org.eclipse.help.internal.search.ISearchScope, |
| * org.eclipse.help.internal.search.federated.ISearchEngineResultCollector, |
| * org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public void run(String query, ISearchScope scope, |
| final ISearchEngineResultCollector collector, |
| IProgressMonitor monitor) throws CoreException { |
| |
| SearchQuery searchQuery = new SearchQuery(); |
| searchQuery.setSearchWord(query); |
| WorkingSet[] workingSets = null; |
| LocalHelpScope localScope = (LocalHelpScope) scope; |
| if (localScope.getWorkingSet() != null) |
| workingSets = new WorkingSet[] { localScope.getWorkingSet() }; |
| SearchResults localResults = new SearchResults(workingSets, MAX_HITS, |
| Platform.getNL()); |
| // If the indexer has been started and is currently running, |
| // wait for it to finish. |
| try { |
| Platform.getJobManager().join(IndexerJob.FAMILY, monitor); |
| } catch (InterruptedException e) { |
| // TODO we may need to do something here |
| } |
| BaseHelpSystem.getSearchManager().search(searchQuery, localResults, |
| monitor); |
| postResults(localResults, collector, localScope.getCapabilityFiltered()); |
| } |
| |
| private void postResults(SearchResults results, |
| ISearchEngineResultCollector collector, boolean activityFiltering) { |
| SearchHit[] searchHits = results.getSearchHits(); |
| if (!activityFiltering) { |
| collector.accept(searchHits); |
| return; |
| } |
| // Filtering of results by activities |
| ArrayList enabledHits = new ArrayList(); |
| for (int i = 0; i < searchHits.length; i++) { |
| SearchHit hit = searchHits[i]; |
| if (hit.getParticipantId()!=null) { |
| // hit comes from a search participant |
| if (HelpBasePlugin.getActivitySupport().isEnabled(hit.getHref())) |
| enabledHits.add(hit); |
| } |
| else if (HelpBasePlugin.getActivitySupport().isEnabledTopic( |
| hit.getHref(), Platform.getNL())) { |
| enabledHits.add(hit); |
| } |
| } |
| collector.accept((SearchHit[]) enabledHits |
| .toArray(new SearchHit[enabledHits.size()])); |
| } |
| |
| public String toAbsoluteHref(String href, boolean frames) { |
| return null; |
| } |
| |
| |
| public boolean open(String id) { |
| int sep = id.indexOf('/'); |
| if (sep== -1) |
| return false; |
| String participantId = id.substring(0, sep); |
| id = id.substring(sep+1); |
| LuceneSearchParticipant participant = BaseHelpSystem.getSearchManager().getGlobalParticipant(participantId); |
| if (participant==null) |
| return false; |
| return participant.open(id); |
| } |
| } |