01: /*
02: * File : $Source: /usr/local/cvs/opencms/src-setup/org/opencms/setup/comptest/CmsSetupTestJdkVersion.java,v $
03: * Date : $Date: 2008-02-27 12:05:32 $
04: * Version: $Revision: 1.2 $
05: *
06: * This library is part of OpenCms -
07: * the Open Source Content Management System
08: *
09: * Copyright (c) 2002 - 2008 Alkacon Software GmbH (http://www.alkacon.com)
10: *
11: * This library is free software; you can redistribute it and/or
12: * modify it under the terms of the GNU Lesser General Public
13: * License as published by the Free Software Foundation; either
14: * version 2.1 of the License, or (at your option) any later version.
15: *
16: * This library is distributed in the hope that it will be useful,
17: * but WITHOUT ANY WARRANTY; without even the implied warranty of
18: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19: * Lesser General Public License for more details.
20: *
21: * For further information about Alkacon Software GmbH, please see the
22: * company website: http://www.alkacon.com
23: *
24: * For further information about OpenCms, please see the
25: * project website: http://www.opencms.org
26: *
27: * You should have received a copy of the GNU Lesser General Public
28: * License along with this library; if not, write to the Free Software
29: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30: */
31:
32: package org.opencms.setup.comptest;
33:
34: import org.opencms.setup.CmsSetupBean;
35:
36: /**
37: * Tests the version of the JDK.<p>
38: *
39: * @author Michael Moossen
40: *
41: * @version $Revision: 1.2 $
42: *
43: * @since 6.1.8
44: */
45: public class CmsSetupTestJdkVersion implements I_CmsSetupTest {
46:
47: /** The test name. */
48: public static final String TEST_NAME = "JDK Version";
49:
50: /**
51: * @see org.opencms.setup.comptest.I_CmsSetupTest#getName()
52: */
53: public String getName() {
54:
55: return TEST_NAME;
56: }
57:
58: /**
59: * @see org.opencms.setup.comptest.I_CmsSetupTest#execute(org.opencms.setup.CmsSetupBean)
60: */
61: public CmsSetupTestResult execute(CmsSetupBean setupBean) {
62:
63: CmsSetupTestResult testResult = new CmsSetupTestResult(this );
64:
65: String requiredJDK = "1.4.0";
66: String JDKVersion = System.getProperty("java.version");
67:
68: testResult.setResult(JDKVersion);
69:
70: boolean supportedJDK = compareJDKVersions(JDKVersion,
71: requiredJDK);
72:
73: if (!supportedJDK) {
74: testResult.setRed();
75: testResult
76: .setHelp("OpenCms requires at least Java version "
77: + requiredJDK
78: + " to run. Please update your JDK");
79: } else {
80: testResult.setGreen();
81: }
82: return testResult;
83: }
84:
85: /**
86: * Checks if the used JDK is a higher version than the required JDK.<p>
87: *
88: * @param usedJDK The JDK version in use
89: * @param requiredJDK The required JDK version
90: *
91: * @return true if used JDK version is equal or higher than required JDK version, false otherwise
92: */
93: private boolean compareJDKVersions(String usedJDK,
94: String requiredJDK) {
95:
96: int compare = usedJDK.compareTo(requiredJDK);
97: return (!(compare < 0));
98: }
99: }
|