[Jnode-svn-commits] SF.net SVN: jnode: [3199] trunk/core/src/openjdk

[<ls...@us...>]

Revision: 3199
          http://jnode.svn.sourceforge.net/jnode/?rev=3199&view=rev
Author:   lsantha
Date:     2007-05-13 10:10:31 -0700 (Sun, 13 May 2007)

Log Message:
-----------
First merges of OpenJDK.

Added Paths:
-----------
    trunk/core/src/openjdk/sun/
    trunk/core/src/openjdk/sun/sun/
    trunk/core/src/openjdk/sun/sun/security/
    trunk/core/src/openjdk/sun/sun/security/action/
    trunk/core/src/openjdk/sun/sun/security/action/GetPropertyAction.java

Added: trunk/core/src/openjdk/sun/sun/security/action/GetPropertyAction.java
===================================================================
--- trunk/core/src/openjdk/sun/sun/security/action/GetPropertyAction.java	                        (rev 0)
+++ trunk/core/src/openjdk/sun/sun/security/action/GetPropertyAction.java	2007-05-13 17:10:31 UTC (rev 3199)
@@ -0,0 +1,88 @@
+/*
+ * Copyright 1998-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.security.action;
+
+/**
+ * A convenience class for retrieving the string value of a system
+ * property as a privileged action.
+ *
+ * <p>An instance of this class can be used as the argument of
+ * <code>AccessController.doPrivileged</code>.
+ *
+ * <p>The following code retrieves the value of the system
+ * property named <code>"prop"</code> as a privileged action: <p>
+ *
+ * <pre>
+ * String s = java.security.AccessController.doPrivileged
+ *			(new GetPropertyAction("prop"));
+ * </pre>
+ *
+ * @author Roland Schemers
+ * @version 1.18, 05/05/07
+ * @see java.security.PrivilegedAction
+ * @see java.security.AccessController
+ * @since 1.2
+ */
+
+public class GetPropertyAction
+	implements java.security.PrivilegedAction<String> {
+    private String theProp;
+    private String defaultVal;
+
+    /**
+     * Constructor that takes the name of the system property whose
+     * string value needs to be determined.
+     *
+     * @param theProp the name of the system property.
+     */
+    public GetPropertyAction(String theProp) {
+	this.theProp = theProp;
+    }
+
+    /**
+     * Constructor that takes the name of the system property and the default
+     * value of that property.
+     *
+     * @param theProp the name of the system property.
+     * @param defaulVal the default value.
+     */
+    public GetPropertyAction(String theProp, String defaultVal) {
+	this.theProp = theProp;
+	this.defaultVal = defaultVal;
+    }
+
+    /**
+     * Determines the string value of the system property whose
+     * name was specified in the constructor.
+     *
+     * @return the string value of the system property,
+     *         or the default value if there is no property with that key.
+     */
+    public String run() {
+	String value = System.getProperty(theProp);
+	return (value == null) ? defaultVal : value;
+    }
+}


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