/*
 * Copyright 1999,2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */



package org.jboss.remoting.transport.coyote;

import java.io.IOException;
import java.io.OutputStream;

/**
 * Coyote implementation of the servlet output stream.
 *
 * @author Costin Manolache
 * @author Remy Maucherat
 */
public class CoyoteOutputStream
      extends OutputStream
{

   // ----------------------------------------------------- Instance Variables


   protected OutputBuffer ob;

   // ----------------------------------------------------------- Constructors


   protected CoyoteOutputStream(OutputBuffer ob)
   {
      this.ob = ob;
   }

   // --------------------------------------------------------- Public Methods


   /**
    * Prevent cloning the facade.
    */
   protected Object clone()
         throws CloneNotSupportedException
   {
      throw new CloneNotSupportedException();
   }

   // -------------------------------------------------------- Package Methods


   /**
    * Clear facade.
    */
   void clear()
   {
      ob = null;
   }

   // --------------------------------------------------- OutputStream Methods


   public void write(int i)
         throws IOException
   {
      ob.writeByte(i);
   }


   public void write(byte[] b)
         throws IOException
   {
      write(b, 0, b.length);
   }


   public void write(byte[] b, int off, int len)
         throws IOException
   {
      ob.write(b, off, len);
   }


   /**
    * Will send the buffer to the client.
    */
   public void flush()
         throws IOException
   {
      // Disabled
   }


   public void close()
         throws IOException
   {
      ob.close();
   }

   // -------------------------------------------- ServletOutputStream Methods


   public void print(String s)
         throws IOException
   {
      ob.write(s);
   }


}

