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 * <p>
31 * Ant <systemProperties/> tag definition.
32 */
33 public class SystemProperties
34 {
35
36 private List systemProperties = new ArrayList();
37
38 public List getSystemProperties()
39 {
40 return systemProperties;
41 }
42
43 public void addSystemProperty(Property property)
44 {
45 systemProperties.add(property);
46 }
47
48 /**
49 * Set a System.property with this value if it is not already set.
50 * @param property the property to test
51 * @return true if property has been set
52 */
53 public static boolean setIfNotSetAlready(Property property)
54 {
55 if (System.getProperty(property.getName()) == null)
56 {
57 System.setProperty(property.getName(), (property.getValue() == null ? "" : property
58 .getValue()));
59 TaskLog.log("Setting property '" + property.getName() + "' to value '"
60 + property.getValue() + "'");
61 return true;
62 }
63
64 return false;
65 }
66 }