1 //
2 // ========================================================================
3 // Copyright (c) 1995-2012 Sabre Holdings.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19
20 package org.eclipse.jetty.ant.types;
21
22 import java.util.ArrayList;
23 import java.util.List;
24
25 import org.apache.tools.ant.taskdefs.Property;
26 import org.eclipse.jetty.ant.utils.TaskLog;
27
28 /**
29 * SystemProperties
30 *
31 * Ant <systemProperties/> tag definition.
32 *
33 */
34 public class SystemProperties
35 {
36
37 private List systemProperties = new ArrayList();
38
39 public List getSystemProperties()
40 {
41 return systemProperties;
42 }
43
44 public void addSystemProperty(Property property)
45 {
46 systemProperties.add(property);
47 }
48
49 /**
50 * Set a System.property with this value if it is not already set.
51 *
52 * @returns true if property has been set
53 */
54 public static boolean setIfNotSetAlready(Property property)
55 {
56 if (System.getProperty(property.getName()) == null)
57 {
58 System.setProperty(property.getName(), (property.getValue() == null ? "" : property
59 .getValue()));
60 TaskLog.log("Setting property '" + property.getName() + "' to value '"
61 + property.getValue() + "'");
62 return true;
63 }
64
65 return false;
66 }
67 }