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.forms.workflow; 017 018import java.io.IOException; 019import java.util.Map; 020 021import javax.jcr.Node; 022import javax.jcr.RepositoryException; 023import javax.jcr.lock.Lock; 024import javax.jcr.lock.LockManager; 025 026import org.apache.avalon.framework.service.ServiceException; 027import org.apache.avalon.framework.service.ServiceManager; 028import org.xml.sax.SAXException; 029 030import org.ametys.cms.repository.Content; 031import org.ametys.cms.repository.WorkflowAwareContent; 032import org.ametys.cms.workflow.AbstractContentWorkflowComponent; 033import org.ametys.core.user.UserIdentity; 034import org.ametys.plugins.forms.content.FormManager; 035import org.ametys.plugins.repository.AmetysRepositoryException; 036import org.ametys.plugins.repository.RepositoryConstants; 037import org.ametys.plugins.repository.jcr.JCRAmetysObject; 038import org.ametys.plugins.repository.lock.LockHelper; 039import org.ametys.plugins.repository.lock.LockableAmetysObject; 040 041import com.opensymphony.module.propertyset.PropertySet; 042import com.opensymphony.workflow.FunctionProvider; 043import com.opensymphony.workflow.WorkflowException; 044 045/** 046 * Post function handling form data after creating and editing it. 047 */ 048public class FormEditionFunction extends AbstractContentWorkflowComponent implements FunctionProvider 049{ 050 /** Form properties manager. */ 051 protected FormManager _formManager; 052 053 @Override 054 public void service(ServiceManager manager) throws ServiceException 055 { 056 super.service(manager); 057 _formManager = (FormManager) manager.lookup(FormManager.ROLE); 058 } 059 060 @Override 061 public void execute(Map transientVars, Map args, PropertySet ps) throws WorkflowException 062 { 063 _logger.info("Performing form processing workflow function"); 064 065 // Retrieve current content 066 WorkflowAwareContent content = getContent(transientVars); 067 UserIdentity user = getUser(transientVars); 068 069 try 070 { 071 LockableAmetysObject lockableContent = (LockableAmetysObject) content; 072 if (lockableContent.isLocked() && !LockHelper.isLockOwner(lockableContent, user)) 073 { 074 throw new WorkflowException("User '" + user + "' try to save content '" + content.getName() + "' but it is locked by another user"); 075 } 076 077 _checkLock (content); 078 _formManager.processContentForms(content); 079 } 080 catch (RepositoryException e) 081 { 082 throw new WorkflowException("Unable to check lock for content " + content.getName() + "", e); 083 } 084 catch (AmetysRepositoryException e) 085 { 086 throw new WorkflowException("Unable to edit content " + content.getName() + " from the repository", e); 087 } 088 catch (SAXException e) 089 { 090 _logger.error("An exception occured while parsing the form", e); 091 } 092 catch (IOException e) 093 { 094 _logger.error("An exception occured while parsing the form", e); 095 } 096 } 097 098 private void _checkLock(Content content) throws RepositoryException 099 { 100 if (content instanceof JCRAmetysObject) 101 { 102 Node node = ((JCRAmetysObject) content).getNode(); 103 104 if (node.isLocked()) 105 { 106 LockManager lockManager = node.getSession().getWorkspace().getLockManager(); 107 Lock lock = lockManager.getLock(node.getPath()); 108 Node lockHolder = lock.getNode(); 109 110 lockManager.addLockToken(lockHolder.getProperty(RepositoryConstants.METADATA_LOCKTOKEN).getString()); 111 } 112 } 113 } 114 115}