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.workspaces.repository.jcr; 017 018import java.io.IOException; 019import java.util.Set; 020 021import javax.jcr.RepositoryException; 022 023import org.apache.avalon.framework.service.ServiceException; 024import org.apache.avalon.framework.service.ServiceManager; 025import org.apache.cocoon.ProcessingException; 026import org.apache.cocoon.environment.ObjectModelHelper; 027import org.apache.cocoon.environment.Request; 028import org.apache.cocoon.xml.AttributesImpl; 029import org.apache.cocoon.xml.XMLUtils; 030import org.xml.sax.SAXException; 031 032/** 033 * Generates the session state. 034 */ 035public class SessionInformationGenerator extends AbstractRepositoryGenerator 036{ 037 038 /** The node state tracker. */ 039 protected NodeStateTracker _nodeStateTracker; 040 041 @Override 042 public void service(ServiceManager serviceManager) throws ServiceException 043 { 044 super.service(serviceManager); 045 _nodeStateTracker = (NodeStateTracker) serviceManager.lookup(NodeStateTracker.ROLE); 046 } 047 048 public void generate() throws IOException, SAXException, ProcessingException 049 { 050 Request request = ObjectModelHelper.getRequest(objectModel); 051 052 String workspaceName = parameters.getParameter("workspace", "default"); 053 054 _getRepository(request, workspaceName); 055 056 contentHandler.startDocument(); 057 058 try 059 { 060 AttributesImpl attrs = new AttributesImpl(); 061 attrs.addCDATAAttribute("hasPendingChanges", Boolean.toString(_session.hasPendingChanges())); 062 XMLUtils.startElement(contentHandler, "session", attrs); 063 064 generateNewNodes(workspaceName); 065 066 XMLUtils.endElement(contentHandler, "session"); 067 } 068 catch (RepositoryException e) 069 { 070 throw new ProcessingException(e); 071 } 072 073 contentHandler.endDocument(); 074 } 075 076 /** 077 * Generate the new nodes. 078 * @param workspaceName the workspace name 079 * @throws SAXException if an error occurred 080 */ 081 protected void generateNewNodes(String workspaceName) throws SAXException 082 { 083 Set<String> newNodes = _nodeStateTracker.getNewNodes(workspaceName); 084 085 XMLUtils.startElement(contentHandler, "new-nodes"); 086 087 for (String newNodePath : newNodes) 088 { 089 AttributesImpl attrs = new AttributesImpl(); 090 attrs.addCDATAAttribute("path", newNodePath); 091 XMLUtils.createElement(contentHandler, "node", attrs); 092 } 093 094 XMLUtils.endElement(contentHandler, "new-nodes"); 095 } 096 097}