[jboss-remoting-commits] JBoss Remoting SVN: r4520 - remoting2/branches/2.x/src/main/org/jboss/remoting/serialization/impl/java.

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

Author: ron.sigal at jboss.com
Date: 2008-08-30 02:21:08 -0400 (Sat, 30 Aug 2008)
New Revision: 4520

Added:
   remoting2/branches/2.x/src/main/org/jboss/remoting/serialization/impl/java/ClearableObjectOutputStream.java
Log:
JBREM-1028: Extends ObjectOutputStream and exposes clear().

Added: remoting2/branches/2.x/src/main/org/jboss/remoting/serialization/impl/java/ClearableObjectOutputStream.java
===================================================================
--- remoting2/branches/2.x/src/main/org/jboss/remoting/serialization/impl/java/ClearableObjectOutputStream.java	                        (rev 0)
+++ remoting2/branches/2.x/src/main/org/jboss/remoting/serialization/impl/java/ClearableObjectOutputStream.java	2008-08-30 06:21:08 UTC (rev 4520)
@@ -0,0 +1,78 @@
+
+/*
+* 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.serialization.impl.java;
+
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.io.OutputStream;
+import java.lang.reflect.Method;
+
+import org.jboss.logging.Logger;
+import org.jboss.remoting.util.SecurityUtility;
+
+/**
+ * @author <a href="ron.sigal at jboss.com">Ron Sigal</a>
+ * @version $Revision: 1.1 $
+ * <p>
+ * Copyright Aug 27, 2008
+ * </p>
+ */
+public class ClearableObjectOutputStream extends ObjectOutputStream
+{
+   protected static Logger log = Logger.getLogger(ClearableObjectOutputStream.class);
+   protected static Method clearMethod;
+   
+   static
+   {
+      try
+      {
+         clearMethod = SecurityUtility.getDeclaredMethod(ObjectOutputStream.class, "clear", new Class[]{});
+      }
+      catch (SecurityException e)
+      {
+         log.error(e.getMessage(), e);
+      }
+      catch (NoSuchMethodException e)
+      {
+         log.error(e.getMessage(), e);
+      }
+   }
+   
+   public ClearableObjectOutputStream(OutputStream out) throws IOException
+   {
+      super(out);  
+   }
+   
+   public void clear()
+   {
+      try
+      {
+          clearMethod.invoke(this, new Object[]{});
+      }
+      catch (Throwable e)
+      {
+          log.error(e.getMessage(), e);
+      }
+   }
+}
+