Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
POMPropertyHelper |
|
| 3.3333333333333335;3.333 |
1 | package org.apache.maven.artifact.ant; | |
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 org.apache.tools.ant.BuildException; | |
23 | import org.apache.tools.ant.PropertyHelper; | |
24 | import org.codehaus.plexus.util.introspection.ReflectionValueExtractor; | |
25 | ||
26 | /** | |
27 | * The property intercepter that handles the calls for "pom." properties in Ant 1.6 - 1.7.1 | |
28 | */ | |
29 | class POMPropertyHelper | |
30 | extends PropertyHelper | |
31 | { | |
32 | ||
33 | protected final Pom pom; | |
34 | ||
35 | POMPropertyHelper( Pom pom ) | |
36 | 0 | { |
37 | 0 | this.pom = pom; |
38 | 0 | } |
39 | ||
40 | /** | |
41 | * The method that gets called by Ant 1.6 - 1.7.1 with every request of property | |
42 | */ | |
43 | public Object getPropertyHook( String ns, String name, boolean user ) | |
44 | { | |
45 | 0 | String prefix = this.pom.antId + "."; |
46 | ||
47 | 0 | if ( !name.startsWith( prefix ) ) |
48 | { | |
49 | // pass on to next interceptor | |
50 | 0 | return super.getPropertyHook( ns, name, user ); |
51 | } | |
52 | try | |
53 | { | |
54 | // else handle the property resolution | |
55 | 0 | String expression = name.substring( prefix.length() ); |
56 | 0 | return getPOMValue( "project." + expression ); |
57 | } | |
58 | 0 | catch ( Exception ex ) |
59 | { | |
60 | 0 | ex.printStackTrace(); |
61 | 0 | return null; |
62 | } | |
63 | } | |
64 | ||
65 | private static final String PROPERTIES_PREFIX = "project.properties."; | |
66 | ||
67 | protected Object getPOMValue( String expression ) | |
68 | { | |
69 | 0 | Object value = null; |
70 | ||
71 | try | |
72 | { | |
73 | 0 | if ( expression.startsWith( PROPERTIES_PREFIX ) ) |
74 | { | |
75 | 0 | expression = expression.substring( PROPERTIES_PREFIX.length() ); |
76 | 0 | value = pom.getMavenProject().getProperties().get( expression ); |
77 | } | |
78 | else | |
79 | { | |
80 | 0 | value = ReflectionValueExtractor.evaluate( expression, pom.getMavenProject() ); |
81 | } | |
82 | } | |
83 | 0 | catch ( Exception e ) |
84 | { | |
85 | 0 | throw new BuildException( "Error extracting expression from POM", e ); |
86 | 0 | } |
87 | ||
88 | 0 | return value; |
89 | } | |
90 | ||
91 | } |