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1   /*
2    * $Id: OutboundFilterProcessor.java 7963 2007-08-21 08:53:15Z dirk.olmes $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.tools.visualizer.processor;
12  
13  import org.mule.tools.visualizer.config.ColorRegistry;
14  import org.mule.tools.visualizer.config.GraphEnvironment;
15  import org.mule.tools.visualizer.util.MuleTag;
16  
17  import com.oy.shared.lm.graph.Graph;
18  import com.oy.shared.lm.graph.GraphNode;
19  
20  import org.jdom.Element;
21  
22  public class OutboundFilterProcessor extends TagProcessor
23  {
24  
25      private GraphNode endpointNode;
26  
27      public OutboundFilterProcessor(GraphEnvironment environment, GraphNode endpointNode)
28      {
29          super(environment);
30          this.endpointNode = endpointNode;
31      }
32  
33      public void process(Graph graph, Element currentElement, GraphNode parent)
34      {
35          process(graph, currentElement, endpointNode, parent);
36      }
37  
38      /**
39       * todo doesn't currently support And/Or logic filters
40       */
41      private void process(Graph graph, Element endpoint, GraphNode endpointNode, GraphNode parent)
42      {
43          // TODO doesn't currently support And/Or logic filters
44          Element filter = endpoint.getChild(MuleTag.ELEMENT_FILTER);
45          if (filter == null)
46          {
47              filter = endpoint.getChild(MuleTag.ELEMENT_LEFT_FILTER);
48          }
49          if (filter == null)
50          {
51              filter = endpoint.getChild(MuleTag.ELEMENT_RIGHT_FILTER);
52          }
53  
54          if (filter != null)
55          {
56              GraphNode filterNode = graph.addNode();
57              filterNode.getInfo().setHeader(filter.getAttributeValue(MuleTag.ATTRIBUTE_CLASS_NAME));
58              filterNode.getInfo().setFillColor(ColorRegistry.COLOR_FILTER);
59              StringBuffer caption = new StringBuffer();
60              appendProperties(filter, caption);
61              filterNode.getInfo().setCaption(caption.toString());
62  
63              process(graph, filter, filterNode, parent);
64              addEdge(graph, filterNode, endpointNode, "out", isTwoWay(endpoint));
65  
66          }
67          else
68          {
69              addEdge(graph, parent, endpointNode, "filters on", isTwoWay(endpoint));
70          }
71      }
72  }