Examples of sun.security.action.GetPropertyAction

sun.security.action.GetPropertyAction
A convenience class for retrieving the string value of a system property as a privileged action.
An instance of this class can be used as the argument of AccessController.doPrivileged.
The following code retrieves the value of the system property named "prop" as a privileged action:
```
 String s = java.security.AccessController.doPrivileged (new GetPropertyAction("prop")); 
```
@author Roland Schemers @see java.security.PrivilegedAction @see java.security.AccessController @since 1.2

     * from embedding host(if any).
     * @return <code>true</code>, if XEmbed is needed, <code>false</code> otherwise
     */
    public static boolean needsXEmbed() {
        String noxembed = (String) AccessController.
            doPrivileged(new GetPropertyAction("sun.awt.noxembed", "false"));
        if ("true".equals(noxembed)) {
            return false;
        }


        Toolkit tk = Toolkit.getDefaultToolkit();

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            String systemAAFonts = null;
            Toolkit tk = Toolkit.getDefaultToolkit();
            if (tk instanceof SunToolkit) {
                systemAAFonts =
                    (String)AccessController.doPrivileged(
                         new GetPropertyAction("awt.useSystemAAFontSettings"));
            }
            if (systemAAFonts != null) {
                useSystemAAFontSettings =
                    Boolean.valueOf(systemAAFonts).booleanValue();
                /* If it is anything other than "true", then it may be

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        }


        if (user == null) {
            user = "anonymous";
            String vers = java.security.AccessController.doPrivileged(
                new GetPropertyAction("java.version"));
            password = java.security.AccessController.doPrivileged(
                new GetPropertyAction("ftp.protocol.user",
                                      "Java" + vers +"@"));
        }
        try {
            if (p != null)
                ftp = new FtpClient(p);

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     * @see #setLookAndFeel
     * @see #getCrossPlatformLookAndFeelClassName
     */
    public static String getSystemLookAndFeelClassName() {
        String systemLAF = AccessController.doPrivileged(
                             new GetPropertyAction("swing.systemlaf"));
        if (systemLAF != null) {
            return systemLAF;
        }
        OSInfo.OSType osType = AccessController.doPrivileged(OSInfo.getOSTypeAction());
        if (osType == OSInfo.OSType.WINDOWS) {
            return "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
        } else {
            String desktop = AccessController.doPrivileged(new GetPropertyAction("sun.desktop"));
            Toolkit toolkit = Toolkit.getDefaultToolkit();
            if ("gnome".equals(desktop) &&
                    toolkit instanceof SunToolkit &&
                    ((SunToolkit) toolkit).isNativeGTKAvailable()) {
                // May be set on Linux and Solaris boxs.

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     * @see #setLookAndFeel
     * @see #getSystemLookAndFeelClassName
     */
    public static String getCrossPlatformLookAndFeelClassName() {
        String laf = (String)AccessController.doPrivileged(
                             new GetPropertyAction("swing.crossplatformlaf"));
        if (laf != null) {
            return laf;
        }
        return "javax.swing.plaf.metal.MetalLookAndFeel";
    }

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        /*
         * Don't use GetBooleanAction because the default value in the JRE
         * (when this is unset) has to treated as true.
         */
        String propValue = AccessController.doPrivileged(
                new GetPropertyAction("javax.security.auth.useSubjectCredsOnly",
                "true"));
        /*
         * This property has to be explicitly set to "false". Invalid
         * values should be ignored and the default "true" assumed.
         */

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        /*
         * Don't use GetBooleanAction because the default value in the JRE
         * (when this is unset) has to treated as true.
         */
        String propValue = AccessController.doPrivileged(
                new GetPropertyAction("sun.security.spnego.msinterop",
                "true"));
        /*
         * This property has to be explicitly set to "false". Invalid
         * values should be ignored and the default "true" assumed.
         */

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    }


    static void initSecurityWarning() {
        // Enable warning only for internal builds
        String runtime = AccessController.doPrivileged(
                new GetPropertyAction("java.runtime.version"));
        securityWarningEnabled = (runtime != null && runtime.contains("internal"));
    }

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        return backingStoreType;
    }


    private static void setBackingStoreType() {
        String prop = AccessController.doPrivileged(
                new GetPropertyAction("sun.awt.backingStore"));


        if (prop == null) {
            backingStoreType = XConstants.NotUseful;
            if (backingStoreLog.isLoggable(Level.CONFIG)) {
                backingStoreLog.config("The system property sun.awt.backingStore is not set" +

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        static final String temporaryDirectory = temporaryDirectory();
        static String temporaryDirectory() {
            return fs.normalize(
                AccessController.doPrivileged(
                    new GetPropertyAction("java.io.tmpdir")));
        }

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