/*
* 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: LuceneUtil.java 433543 2006-08-22 06:22:54Z crossley $
*/
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 );
}
}
}