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1
8 package org.codehaus.loom.components.util;
9
10 import java.util.Map  ;
11 import org.codehaus.spice.configkit.PropertyExpander;
12 import org.codehaus.dna.Configuration;
13 import org.codehaus.dna.ConfigurationException;
14 import org.codehaus.dna.impl.DefaultConfiguration;
15
16
20 public class ConfigUtil
21 {
22 public static Configuration expandValues( final Configuration input,
23 final Map data )
24 throws Exception
25 {
26 final PropertyExpander expander = new PropertyExpander();
27 return expandValues( expander, input, data );
28 }
29
30 private static Configuration expandValues( final PropertyExpander expander,
31 final Configuration input,
32 final Map data )
33 throws Exception
34 {
35 final DefaultConfiguration output =
36 new DefaultConfiguration( input.getName(),
37 input.getPath(),
38 input.getLocation() );
39 final String [] names = input.getAttributeNames();
40 for( int i = 0; i < names.length; i++ )
41 {
42 final String name = names[ i ];
43 final String value = input.getAttribute( name );
44 final String newValue = expander.expandValues( value, data );
45 output.setAttribute( name, newValue );
46 }
47
48 final Configuration[] children = input.getChildren();
49 for( int i = 0; i < children.length; i++ )
50 {
51 final Configuration child =
52 expandValues( expander, children[ i ], data );
53 output.addChild( child );
54 }
55
56 final String content = input.getValue( null );
57 if( null != content )
58 {
59 final String newValue =
60 expander.expandValues( content, data );
61 output.setValue( newValue );
62 }
63
64 return output;
65 }
66
67 public static void copy( final DefaultConfiguration newConfiguration,
68 final Configuration configuration )
69 throws ConfigurationException
70 {
71 final Configuration[] children = configuration.getChildren();
72 for( int i = 0; i < children.length; i++ )
73 {
74 newConfiguration.addChild( children[ i ] );
75 }
76 final String [] names = configuration.getAttributeNames();
77 for( int i = 0; i < names.length; i++ )
78 {
79 final String name = names[ i ];
80 final String value = configuration.getAttribute( name );
81 newConfiguration.setAttribute( name, value );
82 }
83 final String content = configuration.getValue( null );
84 if( null != content )
85 {
86 newConfiguration.setValue( content );
87 }
88 }
89 }
90 |
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