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Java > Open Source Codes > org > apache > geronimo > interop > util > SystemUtil


1 /**
2  *
3  * Copyright 2004-2005 The Apache Software Foundation
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.apache.geronimo.interop.util;
19
20 import org.apache.geronimo.interop.properties.StringProperty;
21 import org.apache.geronimo.interop.properties.SystemProperties;
22
23
24 public class SystemUtil {
25     // properties
26
27     public static final StringProperty vmVersionProperty =
28             new StringProperty(SystemProperties.class, "java.vm.version");
29
30     // private data
31
32     private static String JavaDoc _vmVersion = vmVersionProperty.getString();
33
34     private static boolean _isJDK13 = _vmVersion.startsWith("1.3")
35                                       || _vmVersion.startsWith("CrE-ME V4.00");
36
37     private static boolean _isJDK14 = _vmVersion.startsWith("1.4");
38
39     // public methods
40
41     public static String JavaDoc getExecutableSuffix() {
42         return isWindows() ? ".exe" : "";
43     }
44
45     public static String JavaDoc getShellScriptSuffix() {
46         return isWindows() ? ".bat" : ".sh";
47     }
48
49     public static boolean isJDK13() {
50         return _isJDK13;
51     }
52
53     public static boolean isJDK14() {
54         return _isJDK14;
55     }
56
57     public static String JavaDoc getVmVersion()
58     {
59         return _vmVersion;
60     }
61
62     public static boolean isWindows() {
63         return java.io.File.separatorChar == '\\';
64     }
65 }
66
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