/*
* 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.components.modules.input;
import java.util.Collections;
import java.util.Iterator;
import java.util.Map;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
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.components.search.Index;
import org.apache.cocoon.components.search.components.IndexManager;
import org.apache.lucene.store.FSDirectory;
/**
* This module returns the directory path of a search index given by its id,
* which normally is "pubid-area".
*/
public class IndexPathModule extends AbstractInputModule implements Serviceable {
protected ServiceManager serviceManager;
public void service(ServiceManager manager) throws ServiceException {
this.serviceManager = manager;
}
/**
* @see org.apache.cocoon.components.modules.input.InputModule#getAttribute(java.lang.String,
* org.apache.avalon.framework.configuration.Configuration, java.util.Map)
*/
public Object getAttribute(String name, Configuration modeConf, Map objectModel)
throws ConfigurationException {
String value = null;
IndexManager indexManager = null;
try {
indexManager = (IndexManager) this.serviceManager.lookup(IndexManager.ROLE);
Index index = indexManager.getIndex(name);
if (index == null) {
throw new ConfigurationException("no search index with id [" + name + "] found.");
}
value = ((FSDirectory)index.getDirectory()).getFile().getCanonicalPath();
if (getLogger().isDebugEnabled()) {
getLogger().debug("resolved search index with id [" + name + "] to directory " + value);
}
} catch (Exception e) {
throw new ConfigurationException("Resolving attribute [" + name + "] failed: ", e);
} finally {
if (indexManager != null) {
this.serviceManager.release(indexManager);
}
}
return value;
}
/**
* @see org.apache.cocoon.components.modules.input.InputModule#getAttributeNames(org.apache.avalon.framework.configuration.Configuration,
* java.util.Map)
*/
public Iterator getAttributeNames(Configuration modeConf, Map objectModel)
throws ConfigurationException {
return Collections.EMPTY_SET.iterator();
}
/**
* @see org.apache.cocoon.components.modules.input.InputModule#getAttributeValues(java.lang.String,
* org.apache.avalon.framework.configuration.Configuration, java.util.Map)
*/
public Object[] getAttributeValues(String name, Configuration modeConf, Map objectModel)
throws ConfigurationException {
Object[] objects = { getAttribute(name, modeConf, objectModel) };
return objects;
}
}