001/*
002 *  Copyright 2010 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.newsletter.subscribe;
017
018import java.io.IOException;
019import java.util.List;
020
021import org.apache.avalon.framework.service.ServiceException;
022import org.apache.avalon.framework.service.ServiceManager;
023import org.apache.cocoon.ProcessingException;
024import org.apache.cocoon.environment.ObjectModelHelper;
025import org.apache.cocoon.environment.Request;
026import org.apache.cocoon.generation.ServiceableGenerator;
027import org.apache.cocoon.xml.XMLUtils;
028import org.xml.sax.SAXException;
029
030import org.ametys.plugins.newsletter.daos.Subscriber;
031import org.ametys.plugins.newsletter.daos.SubscribersDAO;
032import org.ametys.runtime.parameter.ParameterHelper;
033
034/**
035 * Generates SAX events for subscribers 
036 */
037public class SubscribersGenerator extends ServiceableGenerator
038{
039    private SubscribersDAO _subscribersDao;
040    
041    @Override
042    public void service(ServiceManager smanager) throws ServiceException
043    {
044        super.service(smanager);
045        _subscribersDao = (SubscribersDAO) smanager.lookup(SubscribersDAO.ROLE);
046    }
047    
048    @Override
049    public void generate() throws IOException, SAXException, ProcessingException
050    {
051        Request request = ObjectModelHelper.getRequest(objectModel);
052
053        String siteName = request.getParameter("siteName");
054        String categoryId = request.getParameter("categoryID");
055
056        contentHandler.startDocument();
057        XMLUtils.startElement(contentHandler, "subscribers");
058        
059        List<Subscriber> subscribers;
060        if (siteName != null && categoryId != null)
061        {
062            subscribers = _subscribersDao.getSubscribers(siteName, categoryId);
063        }
064        else
065        {
066            subscribers = _subscribersDao.getSubscribers();
067        }
068        
069        for (Subscriber subscriber : subscribers)
070        {
071            XMLUtils.startElement(contentHandler, "subscriber");
072            
073            XMLUtils.createElement(contentHandler, "email", subscriber.getEmail());
074            XMLUtils.createElement(contentHandler, "siteName", subscriber.getSiteName());
075            XMLUtils.createElement(contentHandler, "category", subscriber.getCategoryId());
076            XMLUtils.createElement(contentHandler, "subscribedAt", ParameterHelper.valueToString(subscriber.getSubscribedAt()));
077            
078            XMLUtils.endElement(contentHandler, "subscriber");
079        }
080        
081        XMLUtils.endElement(contentHandler, "subscribers");
082        contentHandler.endDocument();
083    }
084
085}