001/*
002 *  Copyright 2022 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.web.service;
017
018import java.io.IOException;
019
020import org.apache.avalon.framework.service.ServiceException;
021import org.apache.avalon.framework.service.ServiceManager;
022import org.apache.cocoon.ProcessingException;
023import org.apache.cocoon.components.source.impl.SitemapSource;
024import org.apache.cocoon.environment.ObjectModelHelper;
025import org.apache.cocoon.environment.Request;
026import org.apache.cocoon.generation.ServiceableGenerator;
027import org.xml.sax.SAXException;
028
029import org.ametys.web.WebConstants;
030import org.ametys.web.repository.PageGeneratorHelper;
031import org.ametys.web.repository.page.ZoneItem;
032
033/**
034 * Generate a service 
035 */
036public class ServiceGenerator extends ServiceableGenerator
037{
038    /** The service extension point */
039    protected ServiceExtensionPoint _serviceEP;
040    
041    @Override
042    public void service(ServiceManager smanager) throws ServiceException
043    {
044        _serviceEP = (ServiceExtensionPoint) smanager.lookup(ServiceExtensionPoint.ROLE);
045    }
046    
047    public void generate() throws IOException, SAXException, ProcessingException
048    {
049        Request request = ObjectModelHelper.getRequest(objectModel);
050
051        SitemapSource contentSource = null;
052        try
053        {
054            ZoneItem zoneItem = (ZoneItem) request.getAttribute(WebConstants.REQUEST_ATTR_ZONEITEM);
055            String serviceId = zoneItem.getServiceId();
056            Service service = _serviceEP.getExtension(serviceId);
057            
058            contentSource = (SitemapSource) resolver.resolveURI(service.getURL(), null, PageGeneratorHelper.getParameters(service, zoneItem));
059            contentSource.toSAX(contentHandler);
060        }
061        catch (IOException e)
062        {
063            throw new SAXException(e);
064        }
065        finally
066        {
067            resolver.release(contentSource);
068        }
069    }
070}