001/*
002 *  Copyright 2012 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.core.ui.system;
017
018import java.io.IOException;
019import java.util.Locale;
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.i18n.I18nUtils;
026import org.apache.cocoon.xml.XMLUtils;
027import org.xml.sax.SAXException;
028
029import org.ametys.runtime.plugins.admin.system.SystemHelper;
030
031/**
032 * Generates the system announcement
033 */
034public class SystemAnnouncementGenerator extends ServiceableGenerator
035{
036    private SystemHelper _systemHelper;
037    
038    @Override
039    public void service(ServiceManager smanager) throws ServiceException
040    {
041        super.service(smanager);
042        _systemHelper = (SystemHelper) smanager.lookup(SystemHelper.ROLE);
043    }
044    
045    @Override
046    public void generate() throws IOException, SAXException, ProcessingException
047    {
048        contentHandler.startDocument();
049        XMLUtils.startElement(contentHandler, "SystemAnnounce");
050        
051        boolean isAvailable = _systemHelper.isSystemAnnouncementAvailable();
052        
053        XMLUtils.createElement(contentHandler, "IsAvailable", String.valueOf(isAvailable));
054        if (isAvailable)
055        {
056            Locale locale = I18nUtils.findLocale(objectModel, "locale", null, Locale.getDefault(), true);
057            
058            XMLUtils.createElement(contentHandler, "LastModification", String.valueOf(_systemHelper.getSystemAnnoucementLastModificationDate())); 
059            XMLUtils.createElement(contentHandler, "Message", _systemHelper.getSystemAnnouncement(locale.getLanguage()));
060        }
061        
062        XMLUtils.endElement(contentHandler, "SystemAnnounce");
063        contentHandler.endDocument();
064    }
065}