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diff --git a/simple/simple-http/src/main/java/org/simpleframework/http/core/EmptyEncoder.java b/simple/simple-http/src/main/java/org/simpleframework/http/core/EmptyEncoder.java
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+++ b/simple/simple-http/src/main/java/org/simpleframework/http/core/EmptyEncoder.java
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+/*
+ * EmptyEncoder.java February 2007
+ *
+ * Copyright (C) 2001, Niall Gallagher <niallg@users.sf.net>
+ *
+ * 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.simpleframework.http.core;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+import org.simpleframework.transport.ByteWriter;
+
+/**
+ * The <code>EmptyEncoder</code> object is a producer used if there
+ * is not response body to be delivered. Typically this is used when
+ * the HTTP request method is HEAD or if there is some status code
+ * sent to the client that does not require a response body.
+ *
+ * @author Niall Gallagher
+ */  
+class EmptyEncoder implements BodyEncoder {
+   
+   /**
+    * This is the observer that is used to process the pipeline.
+    */
+   private final BodyObserver observer;
+   
+   /**
+    * This is the writer that is passed to the monitor when ready.
+    */
+   private final ByteWriter writer;
+   
+   /**
+    * Constructor for the <code>EmptyEncoder</code> object. Once 
+    * created this producer will signal the kernel the the next
+    * request is ready to read from the HTTP pipeline as there is
+    * no content to be delivered with this producer object.
+    *
+    * @param writer this is used to send to the underlying transport
+    * @param observer this is used to deliver signals to the kernel   
+    */         
+   public EmptyEncoder(BodyObserver observer, ByteWriter writer) {    
+      this.observer = observer;
+      this.writer = writer;
+   }
+  
+   /**
+    * This method performs no operation. Because this producer is
+    * not required to generate a response body this will ignore all
+    * data that is provided to sent to the underlying transport.
+    *
+    * @param array this is the array of bytes to send to the client
+    */  
+   public void encode(byte[] array) throws IOException {
+      return;
+   }
+  
+   /**
+    * This method performs no operation. Because this producer is
+    * not required to generate a response body this will ignore all
+    * data that is provided to sent to the underlying transport.
+    *
+    * @param array this is the array of bytes to send to the client
+    * @param off this is the offset within the array to send from
+    * @param size this is the number of bytes that are to be sent    
+    */     
+   public void encode(byte[] array, int off, int size) throws IOException {
+      return;
+   }
+   
+   /**
+    * This method is used to encode the provided buffer of bytes in
+    * a HTTP/1.1 compliant format and sent it to the client. Once
+    * the data has been encoded it is handed to the transport layer
+    * within the server, which may choose to buffer the data if the
+    * content is too small to send efficiently or if the socket is
+    * not write ready.
+    *
+    * @param buffer this is the buffer of bytes to send to the client
+    */         
+   public void encode(ByteBuffer buffer) throws IOException {
+      return;
+   }
+
+   /**
+    * This method is used to encode the provided buffer of bytes in
+    * a HTTP/1.1 compliant format and sent it to the client. Once
+    * the data has been encoded it is handed to the transport layer
+    * within the server, which may choose to buffer the data if the
+    * content is too small to send efficiently or if the socket is
+    * not write ready.
+    *
+    * @param buffer this is the buffer of bytes to send to the client
+    * @param off this is the offset within the buffer to send from
+    * @param size this is the number of bytes that are to be sent
+    */          
+   public void encode(ByteBuffer buffer, int off, int size) throws IOException {
+      return;
+   }
+   
+   /**
+    * This method performs no operation. Because this producer is
+    * not required to generate a response body this will ignore all
+    * data that is provided to sent to the underlying transport.
+    */   
+   public void flush() throws IOException {
+      return;
+   }
+ 
+   /**
+    * This method performs no operation. Because this producer is
+    * not required to generate a response body this will ignore all
+    * data that is provided to sent to the underlying transport.
+    */   
+   public void close() throws IOException {
+      observer.ready(writer);
+   }
+}
+