| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cocoon.samples; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| import org.apache.avalon.framework.context.Context; |
| import org.apache.avalon.framework.context.ContextException; |
| import org.apache.avalon.framework.context.Contextualizable; |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.avalon.framework.service.ServiceManager; |
| import org.apache.avalon.framework.service.Serviceable; |
| import org.apache.cocoon.Constants; |
| import org.apache.cocoon.ProcessingException; |
| import org.apache.cocoon.components.search.LuceneCocoonHelper; |
| import org.apache.cocoon.components.search.LuceneCocoonIndexer; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.store.Directory; |
| |
| /** |
| * This is a sample helper class that can be used from flow to |
| * create an index. |
| * @version $Id$ |
| */ |
| public class LuceneUtil |
| implements Contextualizable, Serviceable { |
| |
| private File workDir; |
| private ServiceManager manager; |
| |
| /* (non-Javadoc) |
| * @see org.apache.avalon.framework.context.Contextualizable#contextualize(org.apache.avalon.framework.context.Context) |
| */ |
| public void contextualize(Context context) throws ContextException { |
| this.workDir = (File) context.get(Constants.CONTEXT_WORK_DIR); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager) |
| */ |
| public void service(ServiceManager manager) throws ServiceException { |
| this.manager = manager; |
| } |
| |
| public void createIndex(String baseURL, boolean create) |
| throws ProcessingException { |
| LuceneCocoonIndexer lcii = null; |
| Analyzer analyzer = LuceneCocoonHelper.getAnalyzer( "org.apache.lucene.analysis.standard.StandardAnalyzer" ); |
| |
| try { |
| |
| lcii = (LuceneCocoonIndexer)this.manager.lookup( LuceneCocoonIndexer.ROLE ); |
| Directory directory = LuceneCocoonHelper.getDirectory( new File( workDir, "index" ), create ); |
| lcii.setAnalyzer( analyzer ); |
| URL base_url = new URL( baseURL ); |
| lcii.index( directory, create, base_url ); |
| } catch (MalformedURLException mue) { |
| throw new ProcessingException( "MalformedURLException in createIndex()!", mue ); |
| } catch (IOException ioe) { |
| // ignore ?? |
| throw new ProcessingException( "IOException in createIndex()!", ioe ); |
| } catch (ServiceException ce) { |
| // ignore ?? |
| throw new ProcessingException( "ServiceException in createIndex()!", ce ); |
| } finally { |
| this.manager.release( lcii ); |
| } |
| } |
| |
| } |