[jboss-remoting-commits] JBoss Remoting SVN: r4125 - remoting2/branches/2.x/src/main/org/jboss/remoting/callback.

[jboss-remoting-commits at lists.jboss.org]

Author: ron.sigal at jboss.com
Date: 2008-05-07 19:29:13 -0400 (Wed, 07 May 2008)
New Revision: 4125

Added:
   remoting2/branches/2.x/src/main/org/jboss/remoting/callback/CallbackErrorHandlerWrapper.java
Log:
JBREM-977: A new wrapper for CallbackErrorHandler MBean proxies.

Added: remoting2/branches/2.x/src/main/org/jboss/remoting/callback/CallbackErrorHandlerWrapper.java
===================================================================
--- remoting2/branches/2.x/src/main/org/jboss/remoting/callback/CallbackErrorHandlerWrapper.java	                        (rev 0)
+++ remoting2/branches/2.x/src/main/org/jboss/remoting/callback/CallbackErrorHandlerWrapper.java	2008-05-07 23:29:13 UTC (rev 4125)
@@ -0,0 +1,144 @@
+
+/*
+* JBoss, Home of Professional Open Source
+* Copyright 2005, JBoss Inc., and individual contributors as indicated
+* by the @authors tag. See the copyright.txt in the distribution for a
+* full listing of individual contributors.
+*
+* This 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 software 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 software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/
+package org.jboss.remoting.callback;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.Map;
+
+import org.jboss.remoting.ServerInvoker;
+import org.jboss.remoting.util.SecurityUtility;
+
+/**
+ * A CallbackErrorHandlerWrapper is used to wrap an MBean proxy that implements
+ * org.jboss.remoting.callback.CallbackErrorHandler.  If necessary, each call
+ * will go through an AccessController.doPrivileged() call.
+ * 
+ * @author <a href="ron.sigal at jboss.com">Ron Sigal</a>
+ * @version $Revision: 1.1 $
+ * <p>
+ * Copyright May 5, 2008
+ * </p>
+ */
+public class CallbackErrorHandlerWrapper implements CallbackErrorHandler
+{
+   private CallbackErrorHandler proxy;
+   
+   public CallbackErrorHandlerWrapper(CallbackErrorHandler proxy)
+   {
+      this.proxy = proxy;
+   }
+   
+   public void handleError(final Throwable ex) throws Throwable
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+         proxy.handleError(ex);
+         return;
+      }
+      
+      try
+      {
+         AccessController.doPrivileged( new PrivilegedExceptionAction()
+         {
+            public Object run() throws Exception
+            {
+               try
+               {
+                  proxy.handleError(ex);
+                  return null;
+               }
+               catch (Throwable e)
+               {
+                  throw new Exception(ex);
+               }
+            }
+         });
+      }
+      catch (PrivilegedActionException e)
+      {
+         Throwable cause = e.getCause();
+         if (cause.getCause() == null)
+            throw cause;
+         throw cause.getCause();
+      }
+   }
+
+   public void setCallbackHandler(final ServerInvokerCallbackHandler serverInvokerCallbackHandler)
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          proxy.setCallbackHandler(serverInvokerCallbackHandler);
+          return;
+      }
+
+      AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            proxy.setCallbackHandler(serverInvokerCallbackHandler);
+            return null;
+         }
+      });
+   }
+
+   public void setConfig(final Map errorHandlerConfig)
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          proxy.setConfig(errorHandlerConfig);
+          return;
+      }
+
+      AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            proxy.setConfig(errorHandlerConfig);
+            return null;
+         }
+      });
+   }
+
+   public void setServerInvoker(final ServerInvoker owner)
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          proxy.setServerInvoker(owner);
+          return;
+      }
+
+      AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            proxy.setServerInvoker(owner);
+            return null;
+         }
+      });
+   }
+
+}
+