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.web.workflow;
017
018import java.util.Map;
019
020import javax.jcr.RepositoryException;
021
022import org.ametys.cms.repository.ModifiableContent;
023import org.ametys.cms.repository.WorkflowAwareContent;
024import org.ametys.cms.workflow.AbstractContentWorkflowComponent;
025import org.ametys.plugins.repository.AmetysRepositoryException;
026
027import com.opensymphony.module.propertyset.PropertySet;
028import com.opensymphony.workflow.FunctionProvider;
029import com.opensymphony.workflow.WorkflowException;
030
031/**
032 * OSWorkflow function for deleting a content.
033 */
034public class DeleteContentFunction extends AbstractContentWorkflowComponent implements FunctionProvider
035{
036    @Override
037    public void execute(Map transientVars, Map args, PropertySet ps) throws WorkflowException
038    {
039        _logger.info("Performing content deletion");
040        
041        try
042        {
043            WorkflowAwareContent content = getContent(transientVars);
044            if (!(content instanceof ModifiableContent))
045            {
046                throw new IllegalArgumentException("The provided content " + content.getId() + " is not a ModifiableWorkflowAwareContent.");
047            }
048            
049            _removeContent((ModifiableContent) content);
050        }
051        catch (RepositoryException e)
052        {
053            throw new WorkflowException("Unable to link the workflow to the content", e);
054        }
055        catch (AmetysRepositoryException e)
056        {
057            throw new WorkflowException("Unable to delete the content", e);
058        }
059    }
060
061    /**
062     * Deletes the content.
063     * @param content the content.
064     * @throws WorkflowException if an error occurs.
065     * @throws RepositoryException if an error occurs.
066     */
067    protected void _removeContent(ModifiableContent content) throws WorkflowException, RepositoryException
068    {
069        content.remove();
070        content.saveChanges();
071    }
072}