/*

  * Copyright 2005-2008 The Kuali Foundation

  *

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.kew.engine;

 import org.kuali.rice.core.reflect.ObjectDefinition;

 import org.kuali.rice.core.resourceloader.GlobalResourceLoader;

 import org.kuali.rice.core.util.ClassLoaderUtils;

 import org.kuali.rice.kew.engine.node.BasicJoinEngine;

 import org.kuali.rice.kew.engine.node.DynamicNode;

 import org.kuali.rice.kew.engine.node.JoinEngine;

 import org.kuali.rice.kew.engine.node.JoinNode;

 import org.kuali.rice.kew.engine.node.Node;

 import org.kuali.rice.kew.engine.node.RequestActivationNode;

 import org.kuali.rice.kew.engine.node.RequestsNode;

 import org.kuali.rice.kew.engine.node.RouteNode;

 import org.kuali.rice.kew.engine.node.SimpleNode;

 import org.kuali.rice.kew.engine.node.SplitNode;

 import org.kuali.rice.kew.engine.node.SubProcessNode;

 /**

  * A helper class which provides some useful utilities for examining and generating nodes.

  * Provides access to the {@link JoinEngine} and the {@link RoutingNodeFactory}.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class RouteHelper {

     private JoinEngine joinEngine = new BasicJoinEngine();

     private RoutingNodeFactory nodeFactory = new RoutingNodeFactory();

     public JoinEngine getJoinEngine() {

         return joinEngine;

     }

     public RoutingNodeFactory getNodeFactory() {

         return nodeFactory;

     }

     public boolean isSimpleNode(RouteNode routeNode) {

         return ClassLoaderUtils.isInstanceOf(getNode(routeNode), SimpleNode.class);

     }

     public boolean isJoinNode(RouteNode routeNode) {

         return ClassLoaderUtils.isInstanceOf(getNode(routeNode), JoinNode.class);

     }

     public boolean isSplitNode(RouteNode routeNode) {

         return ClassLoaderUtils.isInstanceOf(getNode(routeNode), SplitNode.class);

     }

     public boolean isDynamicNode(RouteNode routeNode) {

         return ClassLoaderUtils.isInstanceOf(getNode(routeNode), DynamicNode.class);

     }

     public boolean isSubProcessNode(RouteNode routeNode) {

         return ClassLoaderUtils.isInstanceOf(getNode(routeNode), SubProcessNode.class);

     }

     public boolean isRequestActivationNode(RouteNode routeNode) {

         return ClassLoaderUtils.isInstanceOf(getNode(routeNode), RequestActivationNode.class);

     }

     public boolean isRequestsNode(RouteNode routeNode) {

         return getNode(routeNode) instanceof RequestsNode;

     }

     public Node getNode(RouteNode routeNode) {

             return (Node)GlobalResourceLoader.getObject(new ObjectDefinition(routeNode.getNodeType(), routeNode.getDocumentType().getServiceNamespace()));

     }

 }