74 lines
2.3 KiB
Java
74 lines
2.3 KiB
Java
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/*
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The contents of this file are subject to the THDL Open Community License
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Version 1.0 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License on the THDL web site
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(http://www.thdl.org/).
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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License for the specific terms governing rights and limitations under the
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License.
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The Initial Developer of this software is the Tibetan and Himalayan Digital
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Library (THDL). Portions created by the THDL are Copyright 2001 THDL.
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All Rights Reserved.
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Contributor(s): ______________________________________.
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*/
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package org.thdl.util;
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/** This class contains our operating-system-specific code. This
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* class is not instantiable.
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*/
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public class OperatingSystemUtils {
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/** This means that, because of security restrictions or the like,
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* we cannot determine the OS. */
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public static final int UNKNOWN = 0;
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/** Not WIN32, not MAC -- maybe a *nix box. */
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public static final int OTHER = 1;
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/** Windows 9x, Me, 200*, or XP */
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public static final int WIN32 = 2;
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/** Mac (OS X or otherwise) */
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public static final int MAC = 3;
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/** Do not instantiate this class. */
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private OperatingSystemUtils() { }
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/** cached result of {@link #getOSName()} */
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private static String OSName = null;
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/** Returns the lowercase name of the operating system, or
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* "unknown" if the operating system's identity cannot be
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* determined. */
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public static String getOSName() {
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if (null == OSName) {
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try {
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OSName = System.getProperty("os.name").toLowerCase();
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} catch (SecurityException e) {
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OSName = null;
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}
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if (null == OSName) {
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OSName = "unknown";
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}
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}
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return OSName;
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}
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/** Returns either {@link #UNKNOWN}, {@link #WIN32}, {@link #MAC},
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* or {@link #OTHER}. */
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public static int getOSType() {
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String os = getOSName();
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if (os.startsWith("mac")) {
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return MAC;
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} else if (os.startsWith("win")) {
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return WIN32;
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} else if (os.equals("unknown")) {
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return UNKNOWN;
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} else {
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return OTHER;
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}
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}
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}
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