001/*
002 *  Copyright 2017 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.bpm.workflowsdef;
017
018import java.util.Map;
019
020import org.apache.avalon.framework.service.ServiceException;
021import org.apache.avalon.framework.service.ServiceManager;
022
023import org.ametys.core.user.CurrentUserProvider;
024import org.ametys.core.user.UserIdentity;
025import org.ametys.plugins.bpm.jcr.JCRWorkflowProcess;
026import org.ametys.plugins.workflow.AbstractWorkflowComponent;
027
028import com.opensymphony.module.propertyset.PropertySet;
029import com.opensymphony.workflow.Condition;
030import com.opensymphony.workflow.WorkflowException;
031
032/**
033 * Condition for checking if the current user is the process creator.
034 */
035public class CheckProcessCreatorCondition extends AbstractWorkflowComponent implements Condition
036{
037    private CurrentUserProvider _currentUserProvider;
038
039    @Override
040    public void service(ServiceManager manager) throws ServiceException
041    {
042        super.service(manager);
043        _currentUserProvider = (CurrentUserProvider) manager.lookup(CurrentUserProvider.ROLE);
044    }
045    
046    public boolean passesCondition(Map transientVars, Map args, PropertySet ps) throws WorkflowException
047    {
048        UserIdentity currentUser = _currentUserProvider.getUser();
049        JCRWorkflowProcess process = (JCRWorkflowProcess) transientVars.get("process");
050        
051        if (process == null)
052        {
053            throw new WorkflowException("Unable to retrieve process");
054        }
055
056        return currentUser != null && currentUser.equals(process.getCreator());
057    }
058
059}