001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.workflow;
016    
017    import com.liferay.portal.kernel.util.ListUtil;
018    import com.liferay.portal.kernel.workflow.WorkflowHandler;
019    import com.liferay.portal.kernel.workflow.WorkflowHandlerRegistry;
020    
021    import java.util.List;
022    import java.util.Map;
023    import java.util.concurrent.ConcurrentHashMap;
024    
025    /**
026     * @author Bruno Farache
027     * @author Marcellus Tavares
028     */
029    public class WorkflowHandlerRegistryImpl implements WorkflowHandlerRegistry {
030    
031            public WorkflowHandler getWorkflowHandler(String className) {
032                    return _workflowHandlerMap.get(className);
033            }
034    
035            public List<WorkflowHandler> getWorkflowHandlers() {
036                    return ListUtil.fromCollection(_workflowHandlerMap.values());
037            }
038    
039            public void register(WorkflowHandler workflowHandler) {
040                    _workflowHandlerMap.put(
041                            workflowHandler.getClassName(), workflowHandler);
042            }
043    
044            public void unregister(WorkflowHandler workflowHandler) {
045                    _workflowHandlerMap.remove(workflowHandler.getClassName());
046            }
047    
048            private Map<String, WorkflowHandler> _workflowHandlerMap =
049                    new ConcurrentHashMap<String, WorkflowHandler>();
050    
051    }