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1   /*
2    * $Id: ShortestNotationHandler.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.GraphEnvironment;
14  import org.mule.tools.visualizer.util.MuleTag;
15  
16  import com.oy.shared.lm.graph.Graph;
17  import com.oy.shared.lm.graph.GraphNode;
18  
19  import org.jdom.Element;
20  
21  public class ShortestNotationHandler extends TagProcessor
22  {
23  
24      public ShortestNotationHandler(GraphEnvironment environment)
25      {
26          super(environment);
27      }
28  
29      public void process(Graph graph, Element currentElement, GraphNode parent)
30      {
31          String inbound = currentElement.getAttributeValue(MuleTag.ATTRIBUTE_INBOUNDENDPOINT);
32          if (inbound != null)
33          {
34              GraphNode in = getEnvironment().getEndpointRegistry().getEndpoint(inbound,
35                  parent.getInfo().getHeader());
36              if (in == null)
37              {
38                  in = graph.addNode();
39                  in.getInfo().setCaption(inbound);
40                  getEnvironment().getEndpointRegistry().addEndpoint(inbound, in);
41              }
42              addEdge(graph, in, parent, "in", isTwoWay(null));
43          }
44          String outbound = currentElement.getAttributeValue(MuleTag.ATTRIBUTE_OUTBOUNDENDPOINT);
45          if (outbound != null)
46          {
47              GraphNode out = getEnvironment().getEndpointRegistry().getEndpoint(outbound,
48                  parent.getInfo().getHeader());
49              if (out == null)
50              {
51                  out = graph.addNode();
52                  out.getInfo().setCaption(outbound);
53                  getEnvironment().getEndpointRegistry().addEndpoint(outbound, out);
54              }
55              addEdge(graph, parent, out, "out", isTwoWay(null));
56          }
57  
58          String inboundTransformers = currentElement.getAttributeValue("inboundTransformer");
59          if (inboundTransformers != null)
60          {
61              String[] transformers = inboundTransformers.split(" ");
62              StringBuffer caption = new StringBuffer();
63              for (int i = 0; i < transformers.length; i++)
64              {
65                  caption.append("transformer " + i + " : " + transformers[i] + "\n");
66              }
67              parent.getInfo().setCaption(parent.getInfo().getCaption() + "\n" + caption.toString());
68          }
69  
70          GraphNode[] virtual = getEnvironment().getEndpointRegistry().getVirtualEndpoint(
71              parent.getInfo().getHeader());
72          if (virtual.length > 0)
73          {
74              for (int i = 0; i < virtual.length; i++)
75              {
76                  addEdge(graph, parent, virtual[i], "out (dynamic)", false);
77              }
78          }
79      }
80  }