org.jdesktop.swingx.util.OS Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of swingx-all Show documentation
Fork of the inactive swingx-all library
There is a newer version: 1.7.2
/*
 * $Id: OS.java 4088 2011-11-17 19:53:49Z kschaefe $
 *
 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
 * Santa Clara, California 95054, U.S.A. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.jdesktop.swingx.util;

import javax.swing.UIManager;
import java.awt.Toolkit;

/**
 * Provides methods related to the runtime environment.
 */
@SuppressWarnings("nls")
public class OS {

    private static final boolean osIsMacOsX;
    private static final boolean osIsWindows;
    private static final boolean osIsWindowsXP;
    private static final boolean osIsWindows2003;
    private static final boolean osIsWindowsVista;
    private static final boolean osIsLinux;

    static {
        String os = System.getProperty("os.name");
        if (os != null)
            os = os.toLowerCase();

        osIsMacOsX = "mac os x".equals(os);
        osIsWindows = os != null && os.contains("windows");
        osIsWindowsXP = "windows xp".equals(os);
        osIsWindows2003 = "windows 2003".equals(os);
        osIsWindowsVista = "windows vista".equals(os);
        osIsLinux = os != null && os.contains("linux");
    }

    /**
     * @return true if this VM is running on Mac OS X
     */
    public static boolean isMacOSX() {
        return osIsMacOsX;
    }

    /**
     * @return true if this VM is running on Windows
     */
    public static boolean isWindows() {
        return osIsWindows;
    }

    /**
     * @return true if this VM is running on Windows XP
     */
    public static boolean isWindowsXP() {
        return osIsWindowsXP;
    }

    /**
     * @return true if this VM is running on Windows 2003
     */
    public static boolean isWindows2003() {
        return osIsWindows2003;
    }

    /**
     * @return true if this VM is running on Windows Vista
     */
    public static boolean isWindowsVista() {
        return osIsWindowsVista;
    }

    /**
     * @return true if this VM is running on a Linux distribution
     */
    public static boolean isLinux() {
        return osIsLinux;
    }

    /**
     * @return true if the VM is running Windows and the Java
     * application is rendered using XP Visual Styles.
     */
    public static boolean isUsingWindowsVisualStyles() {
        if (!isWindows()) {
            return false;
        }

        boolean xpthemeActive = Boolean.TRUE.equals(Toolkit.getDefaultToolkit().getDesktopProperty("win.xpstyle.themeActive"));
        if (!xpthemeActive) {
            return false;
        } else {
            try {
                return System.getProperty("swing.noxp") == null;
            } catch (RuntimeException e) {
                return true;
            }
        }
    }

    /**
     * Returns the name of the current Windows visual style.
     * 
     * it looks for a property name "win.xpstyle.name" in UIManager and if not found
     * 
it queries the win.xpstyle.colorName desktop property ({@link Toolkit#getDesktopProperty(String)})
     * 
     *
     * @return the name of the current Windows visual style if any.
     */
    public static String getWindowsVisualStyle() {
        String style = UIManager.getString("win.xpstyle.name");
        if (style == null) {
            // guess the name of the current XPStyle
            // (win.xpstyle.colorName property found in awt_DesktopProperties.cpp in
            // JDK source)
            style = (String) Toolkit.getDefaultToolkit().getDesktopProperty("win.xpstyle.colorName");
        }
        return style;
    }
}