001/*
002 *  Copyright 2011 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.cms.workflow;
017
018import java.io.IOException;
019import java.util.Map;
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.AttributesImpl;
026import org.apache.cocoon.xml.XMLUtils;
027import org.xml.sax.SAXException;
028
029import org.ametys.cms.workflow.WorkflowTasksComponent.Task;
030
031/**
032 * Generates the tasks list
033 *
034 */
035public class TasksGenerator extends ServiceableGenerator
036{
037    /** The workflow task component */
038    protected WorkflowTasksComponent _tasksManager;
039    
040    @Override
041    public void service(ServiceManager serviceManager) throws ServiceException
042    {
043        super.service(serviceManager);
044        _tasksManager = (WorkflowTasksComponent) serviceManager.lookup(WorkflowTasksComponent.ROLE);
045    }
046    
047    @Override
048    public void generate() throws IOException, SAXException, ProcessingException
049    {
050        contentHandler.startDocument();
051        XMLUtils.startElement(contentHandler, "tasks");
052        
053        Map<String, Task> tasks = _tasksManager.getTasks();
054        
055        for (Task task : tasks.values())
056        {
057            AttributesImpl attrs = new AttributesImpl();
058            attrs.addCDATAAttribute("id", task.getId());
059            attrs.addCDATAAttribute("length", String.valueOf(task.getLength()));
060            XMLUtils.startElement(contentHandler, "task", attrs);
061            task.getLabel().toSAX(contentHandler);
062            XMLUtils.endElement(contentHandler, "task");
063        }
064        
065        XMLUtils.endElement(contentHandler, "tasks");
066        contentHandler.endDocument();
067    }
068
069}