[jboss-remoting-commits] JBoss Remoting SVN: r4126 - 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 19:29:45 -0400 (Wed, 07 May 2008)
New Revision: 4126

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

Added: remoting2/branches/2.x/src/main/org/jboss/remoting/callback/CallbackStoreWrapper.java
===================================================================
--- remoting2/branches/2.x/src/main/org/jboss/remoting/callback/CallbackStoreWrapper.java	                        (rev 0)
+++ remoting2/branches/2.x/src/main/org/jboss/remoting/callback/CallbackStoreWrapper.java	2008-05-07 23:29:45 UTC (rev 4126)
@@ -0,0 +1,276 @@
+
+/*
+* 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.io.IOException;
+import java.io.Serializable;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.Map;
+
+import org.jboss.remoting.SerializableStore;
+import org.jboss.remoting.util.SecurityUtility;
+
+/**
+ * A CallbackStoreWrapper is used to wrap an MBean proxy that implements
+ * org.jboss.remoting.SerializableStore.  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 CallbackStoreWrapper implements SerializableStore
+{
+   private SerializableStore proxy;
+
+
+   public CallbackStoreWrapper(SerializableStore proxy)
+   {
+      this.proxy = proxy;
+   }
+   
+   public void add(final Serializable object) throws IOException
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+         proxy.add(object);
+         return;
+      }
+      
+      try
+      {
+         AccessController.doPrivileged( new PrivilegedExceptionAction()
+         {
+            public Object run() throws IOException
+            {
+               proxy.add(object);
+               return null;
+            }
+         });
+      }
+      catch (PrivilegedActionException e)
+      {
+         throw (IOException) e.getCause();
+      }
+   }
+
+   public void create() throws Exception
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+         proxy.create();
+         return;
+      }
+      
+      try
+      {
+         AccessController.doPrivileged( new PrivilegedExceptionAction()
+         {
+            public Object run() throws Exception
+            {
+               proxy.create();
+               return null;
+            }
+         });
+      }
+      catch (PrivilegedActionException e)
+      {
+         throw (Exception) e.getCause();
+      }
+   }
+
+   public void destroy()
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          proxy.destroy();
+          return;
+      }
+
+      AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            proxy.destroy();
+            return null;
+         }
+      });
+   }
+
+   public Object getNext() throws IOException
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+         return proxy.getNext();
+      }
+      
+      try
+      {
+         return AccessController.doPrivileged( new PrivilegedExceptionAction()
+         {
+            public Object run() throws IOException
+            {
+               return proxy.getNext();
+            }
+         });
+      }
+      catch (PrivilegedActionException e)
+      {
+         throw (IOException) e.getCause();
+      }
+   }
+
+   public boolean getPurgeOnShutdown()
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          return proxy.getPurgeOnShutdown();
+      }
+
+      return ((Boolean) AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            return new Boolean(proxy.getPurgeOnShutdown());
+         }
+      })).booleanValue();
+   }
+
+   public void purgeFiles()
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          proxy.purgeFiles();
+          return;
+      }
+
+      AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            proxy.purgeFiles();
+            return null;
+         }
+      });
+   }
+
+   public void setConfig(final Map config)
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          proxy.setConfig(config);
+          return;
+      }
+
+      AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            proxy.setConfig(config);
+            return null;
+         }
+      });
+   }
+
+   public void setPurgeOnShutdown(final boolean purgeOnShutdown)
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          proxy.setPurgeOnShutdown(purgeOnShutdown);
+          return;
+      }
+
+      AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            proxy.setPurgeOnShutdown(purgeOnShutdown);
+            return null;
+         }
+      });
+   }
+
+   public int size()
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          return proxy.size();
+      }
+
+      return ((Integer) AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            return new Integer(proxy.size());
+         }
+      })).intValue();
+   }
+
+   public void start() throws Exception
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          proxy.start();
+          return;
+      }
+
+      try
+      {
+         AccessController.doPrivileged( new PrivilegedExceptionAction()
+         {
+            public Object run() throws Exception
+            {
+               proxy.start();
+               return null;
+            }
+         });
+      }
+      catch (PrivilegedActionException e)
+      {
+         throw (Exception) e.getCause();
+      }
+   }
+
+   public void stop()
+   {
+      if (SecurityUtility.skipAccessControl())
+      {
+          proxy.stop();
+          return;
+      }
+
+      AccessController.doPrivileged( new PrivilegedAction()
+      {
+         public Object run()
+         {
+            proxy.stop();
+            return null;
+         }
+      });
+   }
+}
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