001/*
002 *  Copyright 2013 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.explorer.dublincore;
017
018import java.io.IOException;
019import java.util.Set;
020
021import org.apache.avalon.framework.service.ServiceException;
022import org.apache.avalon.framework.service.ServiceManager;
023import org.apache.cocoon.ProcessingException;
024import org.apache.cocoon.generation.ServiceableGenerator;
025import org.apache.cocoon.xml.XMLUtils;
026import org.xml.sax.SAXException;
027
028/**
029 * SAX the name of enumerated DublinCore metadata
030 *
031 */
032public class EnumeratedMetadataNameGenerator extends ServiceableGenerator
033{
034    private DublinCoreMetadataProvider _dcProvider;
035    
036    @Override
037    public void service(ServiceManager smanager) throws ServiceException
038    {
039        super.service(smanager);
040        _dcProvider = (DublinCoreMetadataProvider) smanager.lookup(DublinCoreMetadataProvider.ROLE);
041    }
042    
043
044    @Override
045    public void generate() throws IOException, SAXException, ProcessingException
046    {
047        contentHandler.startDocument();
048        
049        XMLUtils.startElement(contentHandler, "enumerations");
050        
051        Set<String> metadataNames = _dcProvider.getEnumeratedMetadataNames();
052        for (String metadataName : metadataNames)
053        {
054            XMLUtils.createElement(contentHandler, "metadata", metadataName);
055        }
056        
057        XMLUtils.endElement(contentHandler, "enumerations");
058        
059        contentHandler.endDocument();
060
061    }
062
063}