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Java > Open Source Codes > org > apache > jetspeed > util > ant > OverwritePropertiesTask


1 /*
2  * Copyright 2000-2001,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.jetspeed.util.ant;
18
19 import java.io.File JavaDoc;
20
21 import org.apache.tools.ant.Task;
22 import org.apache.tools.ant.BuildException;
23
24 import org.apache.jetspeed.util.OverwriteProperties;
25
26 /**
27  * <code>OverwritePropertiesTask</code> is the task definition for an Ant
28  * interface to the <code>OverwriteProperties</code>.
29  *
30  * @created January 29, 2003
31  * @author Eric Pugh
32  * @version $Revision: 1.3 $
33  * @see org.apache.tools.ant.Task
34  */
35
36 public class OverwritePropertiesTask extends Task
37 {
38     /** File to merge properties into */
39     private File JavaDoc mergeBaseProperties;
40
41     /** File to merge properties from */
42     private File JavaDoc mergeProperties;
43
44     /** Directory to look for includes in */
45     private File JavaDoc includesDir;
46
47     /** Fail on error flag */
48     private boolean failonerror = true;
49
50     /**
51      * Sets the File to merge properties into
52      *
53      * @param mergeBaseProperties
54      * File to merge properties into
55      */
56
57     public void setMergeBaseProperties(File JavaDoc mergeBaseProperties)
58     {
59         this.mergeBaseProperties = mergeBaseProperties;
60     }
61
62     /**
63      * Sets the File to merge properties from
64      *
65      * @param mergeProperties File to merge properties from
66      */
67
68     public void setMergeProperties(File JavaDoc mergeProperties)
69     {
70         this.mergeProperties = mergeProperties;
71     }
72
73     /**
74      * Sets the Directory to look for includes in
75      *
76      * @param includesDir Directory to look for includes in
77      */
78     public void setIncludesDir(File JavaDoc includesDir)
79     {
80
81         this.includesDir = includesDir;
82     }
83
84     /**
85      * If false, note errors to the output but keep going.
86      * @param failonerror true or false
87      */
88      public void setFailOnError(boolean failonerror)
89      {
90          this.failonerror = failonerror;
91      }
92
93     /**
94      * Gets the File to merge properties into
95      *
96      * @return File to merge properties into
97      */
98     public File JavaDoc getMergeBaseProperties()
99     {
100
101         return mergeBaseProperties;
102     }
103
104     /**
105      * Gets the File to merge properties from
106      *
107      * @return File to merge properties from
108      */
109     public File JavaDoc getMergeProperties()
110     {
111
112         return mergeProperties;
113     }
114
115     /**
116      * Gets the Directory to look for includes in
117      *
118      * @return Directory to look for includes in
119      */
120     public File JavaDoc getIncludesDir()
121     {
122
123         return includesDir;
124     }
125
126     /**
127      * Load the step and then execute it
128      *
129      * @exception BuildException
130      * Description of the Exception
131      */
132     public void execute() throws BuildException
133     {
134
135         try
136         {
137             OverwriteProperties overwriteProperties = new OverwriteProperties();
138             overwriteProperties.setBaseProperties(getMergeBaseProperties());
139             overwriteProperties.setProperties(getMergeProperties());
140             overwriteProperties.setIncludeRoot(getIncludesDir());
141
142             overwriteProperties.execute();
143         }
144         catch (Exception JavaDoc e)
145         {
146             if (!this.failonerror)
147             {
148                 log(e.toString());
149             }
150             else
151             {
152                 throw new BuildException(e.toString());
153             }
154         }
155     }
156 }
157
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