1 package org.apache.maven.model.converter.plugins;
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 /**
23 * Utility class which features various methods for converting String-based property values.
24 *
25 * @author Dennis Lundberg
26 * @version $Id: PropertyUtils.java 661727 2008-05-30 14:21:49Z bentmann $
27 */
28 public class PropertyUtils
29 {
30 static String convertOnOffToBoolean( String value )
31 {
32 if ( value != null )
33 {
34 if ( "on".equalsIgnoreCase( value ) )
35 {
36 return Boolean.TRUE.toString();
37 }
38 if ( "off".equalsIgnoreCase( value ) )
39 {
40 return Boolean.FALSE.toString();
41 }
42 }
43 return null;
44 }
45
46 static String convertYesNoToBoolean( String value )
47 {
48 if ( value != null )
49 {
50 if ( "yes".equalsIgnoreCase( value ) )
51 {
52 return Boolean.TRUE.toString();
53 }
54 if ( "no".equalsIgnoreCase( value ) )
55 {
56 return Boolean.FALSE.toString();
57 }
58 }
59 return null;
60 }
61
62 static String invertBoolean( String stringValue )
63 {
64 if ( stringValue != null )
65 {
66 boolean booleanValue = Boolean.valueOf( stringValue ).booleanValue();
67 boolean invertedBooleanValue = !booleanValue;
68 return new Boolean( invertedBooleanValue ).toString();
69 }
70 return null;
71 }
72 }