/** * $Id: $ * $Date: $ * */ package org.xmlsh.xpath; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.apache.logging.log4j.ThreadContext; import org.xmlsh.sh.shell.Shell; /* * Thread local instance of a Shell */ public class ThreadLocalShell { private static Logger mLogger = LogManager.getLogger(); static ThreadLocal<Shell> sInstance = new ThreadLocal<Shell>() { @Override protected synchronized Shell initialValue() { return null; } } ; public static Shell set( Shell shell ) { mLogger.entry(shell); Shell old = sInstance.get(); sInstance.set(shell); if( shell == null ) ThreadContext.remove("tshell" ); else ThreadContext.put( "tshell", shell.toString() ); return mLogger.exit(old); } public static Shell get() { return sInstance.get(); } } // // //Copyright (C) 2008-2014 David A. Lee. // //The contents of this file are subject to the "Simplified BSD License" (the "License"); //you may not use this file except in compliance with the License. You may obtain a copy of the //License at http://www.opensource.org/licenses/bsd-license.php // //Software distributed under the License is distributed on an "AS IS" basis, //WITHOUT WARRANTY OF ANY KIND, either express or implied. //See the License for the specific language governing rights and limitations under the License. // //The Original Code is: all this file. // //The Initial Developer of the Original Code is David A. Lee // //Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved. // //Contributor(s): none. //