com.nesscomputing.syslog4j.util.OSDetectUtility.java Source code

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Here is the source code for com.nesscomputing.syslog4j.util.OSDetectUtility.java

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/**
 *
 * (C) Copyright 2008-2011 syslog4j.org
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl-2.1.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */
package com.nesscomputing.syslog4j.util;

import org.apache.commons.lang3.StringUtils;

/**
* OSDetectUtility provides operating system detection used to determine
* whether Syslog4j is running on a Unix platform.
*
* <p>Syslog4j is licensed under the Lesser GNU Public License v2.1.  A copy
* of the LGPL license is available in the META-INF folder in all
* distributions of Syslog4j and in the base directory of the "doc" ZIP.</p>
*
* @author &lt;syslog4j@productivity.org&gt;
* @version $Id: OSDetectUtility.java,v 1.4 2008/11/14 04:31:59 cvs Exp $
*/
public final class OSDetectUtility {
    private final static String[] UNIX_PLATFORMS = { "Linux", "Mac OS", "Solaris", "SunOS", "MPE/iX", "HP-UX",
            "AIX", "OS/390", "FreeBSD", "Irix", "Digital Unix", "FreeBSD", "OSF1", "OpenVMS" };

    private final static String[] WINDOWS_PLATFORMS = { "Windows", "OS/2" };

    private static boolean UNIX = false;
    private static boolean WINDOWS = false;

    private OSDetectUtility() {
        //
    }

    private static boolean isMatch(String[] platforms) {
        boolean match = false;

        String osName = System.getProperty("os.name");

        if (!StringUtils.isBlank(osName)) {
            osName = osName.toLowerCase();

            for (int i = 0; i < platforms.length; i++) {
                String platform = platforms[i].toLowerCase();

                if (osName.indexOf(platform) > -1) {
                    match = true;
                    break;
                }
            }
        }

        return match;
    }

    static {
        UNIX = isMatch(UNIX_PLATFORMS);
        WINDOWS = isMatch(WINDOWS_PLATFORMS);
    }

    public static boolean isUnix() {
        return UNIX;
    }

    public static boolean isWindows() {
        return WINDOWS;
    }
}