001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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    }