1 package org.apache.maven.plugin.dependency.treeSerializers ;
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22 import java.io.Writer;
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24 import org.apache.maven.shared.dependency.tree.DependencyNode;
25 import org.apache.maven.shared.dependency.tree.traversal.DependencyNodeVisitor;
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34 public class GraphmlDependencyNodeVisitor extends AbstractSerializingVisitor
35 implements DependencyNodeVisitor
36 {
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41 private static final String GRAPHML_HEADER =
42 "<?xml version=\"1.0\" encoding=\"UTF-8\"?> "
43 + "<graphml xmlns=\"http://graphml.graphdrawing.org/xmlns\" "
44 + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
45 + "xmlns:y=\"http://www.yworks.com/xml/graphml\" "
46 + "xsi:schemaLocation=\"http://graphml.graphdrawing.org/xmlns "
47 + "http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd\">\n"
48 + " <key for=\"node\" id=\"d0\" yfiles.type=\"nodegraphics\"/> \n"
49 + " <key for=\"edge\" id=\"d1\" yfiles.type=\"edgegraphics\"/> \n"
50 + "<graph id=\"dependencies\" edgedefault=\"directed\">\n";
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55 private static final String GRAPHML_FOOTER = "</graph></graphml>";
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62 public GraphmlDependencyNodeVisitor( Writer writer )
63 {
64 super( writer );
65 }
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70 public boolean endVisit( DependencyNode node )
71 {
72 if ( node.getParent() == null || node.getParent() == node )
73 {
74 writer.write( GRAPHML_FOOTER );
75 }
76 else
77 {
78 DependencyNode p = node.getParent();
79 writer.print( "<edge source=\"" + generateId( p ) + "\" target=\"" + generateId( node ) + "\">" );
80 if ( node.getArtifact().getScope() != null )
81 {
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83 writer.print( "<data key=\"d1\"><y:PolyLineEdge><y:EdgeLabel>" + node.getArtifact().getScope()
84 + "</y:EdgeLabel></y:PolyLineEdge></data>" );
85 }
86 writer.println( "</edge>" );
87 }
88 return true;
89 }
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94 public boolean visit( DependencyNode node )
95 {
96 if ( node.getParent() == null || node.getParent() == node )
97 {
98 writer.write( GRAPHML_HEADER );
99 }
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101 writer.print( "<node id=\"" + generateId( node ) + "\">" );
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103 writer.print( "<data key=\"d0\"><y:ShapeNode><y:NodeLabel>" + node.toNodeString()
104 + "</y:NodeLabel></y:ShapeNode></data>" );
105 writer.println( "</node>" );
106 return true;
107 }
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118 private static String generateId( DependencyNode node )
119 {
120 return String.valueOf( node.hashCode() );
121 }
122 }