Coverage Report - org.apache.maven.plugin.dependency.treeSerializers.GraphmlDependencyNodeVisitor
 
Classes in this File Line Coverage Branch Coverage Complexity
GraphmlDependencyNodeVisitor
0%
0/17
0%
0/10
2.25
 
 1   
 package org.apache.maven.plugin.dependency.treeSerializers ;
 2   
 
 3   
 /*
 4   
  * Licensed to the Apache Software Foundation (ASF) under one
 5   
  * or more contributor license agreements.  See the NOTICE file
 6   
  * distributed with this work for additional information
 7   
  * regarding copyright ownership.  The ASF licenses this file
 8   
  * to you under the Apache License, Version 2.0 (the
 9   
  * "License"); you may not use this file except in compliance
 10   
  * with the License.  You may obtain a copy of the License at
 11   
  *
 12   
  *  http://www.apache.org/licenses/LICENSE-2.0
 13   
  *
 14   
  * Unless required by applicable law or agreed to in writing,
 15   
  * software distributed under the License is distributed on an
 16   
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17   
  * KIND, either express or implied.  See the License for the
 18   
  * specific language governing permissions and limitations
 19   
  * under the License.
 20   
  */
 21   
 
 22   
 import java.io.Writer;
 23   
 
 24   
 import org.apache.maven.shared.dependency.graph.DependencyNode;
 25   
 import org.apache.maven.shared.dependency.graph.traversal.DependencyNodeVisitor;
 26   
 
 27   
 /**
 28   
  * A dependency node visitor that serializes visited nodes to a writer using the graphml format.
 29   
  * {@link http://graphml.graphdrawing.org/}
 30   
  *
 31   
  * @author <a href="mailto:jerome.creignou@gmail.com">Jerome Creignou</a>
 32   
  * @since 2.1
 33   
  */
 34   
 public class GraphmlDependencyNodeVisitor
 35   
     extends AbstractSerializingVisitor
 36   
     implements DependencyNodeVisitor
 37   
 {
 38   
 
 39   
     /**
 40   
      * Graphml xml file header. Define Schema and root element. We also define 2 key as meta data.
 41   
      */
 42   
     private static final String GRAPHML_HEADER =
 43   
         "<?xml version=\"1.0\" encoding=\"UTF-8\"?> "
 44   
             + "<graphml xmlns=\"http://graphml.graphdrawing.org/xmlns\" "
 45   
             + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
 46   
             + "xmlns:y=\"http://www.yworks.com/xml/graphml\" "
 47   
             + "xsi:schemaLocation=\"http://graphml.graphdrawing.org/xmlns "
 48   
             + "http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd\">\n"
 49   
             + "  <key for=\"node\" id=\"d0\" yfiles.type=\"nodegraphics\"/> \n"
 50   
             + "  <key for=\"edge\" id=\"d1\" yfiles.type=\"edgegraphics\"/> \n"
 51   
             + "<graph id=\"dependencies\" edgedefault=\"directed\">\n";
 52   
 
 53   
     /**
 54   
      * Graphml xml file footer.
 55   
      */
 56   
     private static final String GRAPHML_FOOTER = "</graph></graphml>";
 57   
 
 58   
     /**
 59   
      * Constructor.
 60   
      *
 61   
      * @param writer the writer to write to.
 62   
      */
 63   
     public GraphmlDependencyNodeVisitor( Writer writer )
 64   
     {
 65  0 
         super( writer );
 66  0 
     }
 67   
 
 68   
     /**
 69   
      * {@inheritDoc}
 70   
      */
 71   
     public boolean endVisit( DependencyNode node )
 72   
     {
 73  0 
         if ( node.getParent() == null || node.getParent() == node )
 74   
         {
 75  0 
             writer.write( GRAPHML_FOOTER );
 76   
         }
 77   
         else
 78   
         {
 79  0 
             DependencyNode p = node.getParent();
 80  0 
             writer.print( "<edge source=\"" + generateId( p ) + "\" target=\"" + generateId( node ) + "\">" );
 81  0 
             if ( node.getArtifact().getScope() != null )
 82   
             {
 83   
                 // add Edge label
 84  0 
                 writer.print( "<data key=\"d1\"><y:PolyLineEdge><y:EdgeLabel>" + node.getArtifact().getScope()
 85   
                     + "</y:EdgeLabel></y:PolyLineEdge></data>" );
 86   
             }
 87  0 
             writer.println( "</edge>" );
 88   
         }
 89  0 
         return true;
 90   
     }
 91   
 
 92   
     /**
 93   
      * {@inheritDoc}
 94   
      */
 95   
     public boolean visit( DependencyNode node )
 96   
     {
 97  0 
         if ( node.getParent() == null || node.getParent() == node )
 98   
         {
 99  0 
             writer.write( GRAPHML_HEADER );
 100   
         }
 101   
         // write node
 102  0 
         writer.print( "<node id=\"" + generateId( node ) + "\">" );
 103   
         // add node label
 104  0 
         writer.print( "<data key=\"d0\"><y:ShapeNode><y:NodeLabel>" + node.toNodeString()
 105   
             + "</y:NodeLabel></y:ShapeNode></data>" );
 106  0 
         writer.println( "</node>" );
 107  0 
         return true;
 108   
     }
 109   
 
 110   
     /**
 111   
      * Generate a unique id from a DependencyNode.
 112   
      * <p>
 113   
      * Current implementation is rather simple and uses hashcode.
 114   
      * </p>
 115   
      *
 116   
      * @param node the DependencyNode to use.
 117   
      * @return the unique id.
 118   
      */
 119   
     private static String generateId( DependencyNode node )
 120   
     {
 121  0 
         return String.valueOf( node.hashCode() );
 122   
     }
 123   
 }
Report generated by Cobertura 1.9.4.1 on 10/28/12 11:04 PM.