KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > edu > rice > cs > drjava > platform > PlatformFactory


1 /*BEGIN_COPYRIGHT_BLOCK
2  *
3  * This file is part of DrJava. Download the current version of this project from http://www.drjava.org/
4  * or http://sourceforge.net/projects/drjava/
5  *
6  * DrJava Open Source License
7  *
8  * Copyright (C) 2001-2005 JavaPLT group at Rice University (javaplt@rice.edu). All rights reserved.
9  *
10  * Developed by: Java Programming Languages Team, Rice University, http://www.cs.rice.edu/~javaplt/
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
13  * documentation files (the "Software"), to deal with the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
15  * to permit persons to whom the Software is furnished to do so, subject to the following conditions:
16  *
17  * - Redistributions of source code must retain the above copyright notice, this list of conditions and the
18  * following disclaimers.
19  * - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
20  * following disclaimers in the documentation and/or other materials provided with the distribution.
21  * - Neither the names of DrJava, the JavaPLT, Rice University, nor the names of its contributors may be used to
22  * endorse or promote products derived from this Software without specific prior written permission.
23  * - Products derived from this software may not be called "DrJava" nor use the term "DrJava" as part of their
24  * names without prior written permission from the JavaPLT group. For permission, write to javaplt@rice.edu.
25  *
26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
27  * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
28  * CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
29  * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30  * WITH THE SOFTWARE.
31  *
32  *END_COPYRIGHT_BLOCK*/

33
34 package edu.rice.cs.drjava.platform;
35
36 /**
37  * Factory class for accessing the appropriate platform-specific implementation
38  * of the PlatformSupport interface.
39  * @version $Id: PlatformFactory.java 3900 2006-06-29 13:16:38Z rcartwright $
40  * @see PlatformSupport
41  */

42 public class PlatformFactory {
43   
44   /** A platform-appropriate implementation of the PlatformSupport interface
45    * Singleton field populated by the static factory method.
46    */

47   public static final PlatformSupport ONLY = getPlatformSupport();
48   
49   /** Static factory method.
50    * @return a platform-appropriate implementation of PlatformSupport
51    */

52   private static PlatformSupport getPlatformSupport() {
53     
54     // Get OS name string; we expect one of "windows xp", "mac os x", etc.
55
String JavaDoc os = System.getProperty("os.name").toLowerCase();
56     
57     if (os.startsWith("mac os x")) return MacPlatform.ONLY;
58     else if (os.startsWith("windows")) return WindowsPlatform.ONLY;
59     else return DefaultPlatform.ONLY;
60   }
61 }
62
Popular Tags