/*
   * Copyright 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 javax.servlet.http;
  
  import java.io.IOException;
  
  import javax.servlet.ServletResponseWrapper;
  
  /**
   * 
   * Provides a convenient implementation of the HttpServletResponse interface that
   * can be subclassed by developers wishing to adapt the response from a Servlet.
   * This class implements the Wrapper or Decorator pattern. Methods default to
   * calling through to the wrapped response object.
   * 
   * @author 	Various
   * @version 	$Version$
    * @since	v 2.3
   *
   * @see 	javax.servlet.http.HttpServletResponse
   *
   */
  
  public class HttpServletResponseWrapper extends ServletResponseWrapper implements HttpServletResponse {
  
  
      /** 
      * Constructs a response adaptor wrapping the given response.
      * @throws java.lang.IllegalArgumentException if the response is null
      */
      public HttpServletResponseWrapper(HttpServletResponse response) {
  	    super(response);
      }
      
      private HttpServletResponse _getHttpServletResponse() {
  	return (HttpServletResponse) super.getResponse();
      }
      
      /**
       * The default behavior of this method is to call addCookie(Cookie cookie)
       * on the wrapped response object.
       */
      public void addCookie(Cookie cookie) {
  	this._getHttpServletResponse().addCookie(cookie);
      }
  
      /**
       * The default behavior of this method is to call containsHeader(String name)
       * on the wrapped response object.
       */
  
   
      public boolean containsHeader(String name) {
  	return this._getHttpServletResponse().containsHeader(name);
      }
      
      /**
       * The default behavior of this method is to call encodeURL(String url)
       * on the wrapped response object.
       */
      public String encodeURL(String url) {
  	return this._getHttpServletResponse().encodeURL(url);
      }
  
      /**
       * The default behavior of this method is to return encodeRedirectURL(String url)
       * on the wrapped response object.
       */
      public String encodeRedirectURL(String url) {
  	return this._getHttpServletResponse().encodeRedirectURL(url);
      }
  
      /**
       * The default behavior of this method is to call encodeUrl(String url)
       * on the wrapped response object.
       */
      public String encodeUrl(String url) {
  	return this._getHttpServletResponse().encodeUrl(url);
      }
      
      /**
       * The default behavior of this method is to return encodeRedirectUrl(String url)
       * on the wrapped response object.
       */
      public String encodeRedirectUrl(String url) {
  	return this._getHttpServletResponse().encodeRedirectUrl(url);
     }
     
     /**
      * The default behavior of this method is to call sendError(int sc, String msg)
      * on the wrapped response object.
      */
     public void sendError(int sc, String msg) throws IOException {
 	this._getHttpServletResponse().sendError(sc, msg);
     }
 
     /**
      * The default behavior of this method is to call sendError(int sc)
      * on the wrapped response object.
      */
 
 
     public void sendError(int sc) throws IOException {
 	this._getHttpServletResponse().sendError(sc);
     }
 
     /**
      * The default behavior of this method is to return sendRedirect(String location)
      * on the wrapped response object.
      */
     public void sendRedirect(String location) throws IOException {
 	this._getHttpServletResponse().sendRedirect(location);
     }
     
     /**
      * The default behavior of this method is to call setDateHeader(String name, long date)
      * on the wrapped response object.
      */
     public void setDateHeader(String name, long date) {
 	this._getHttpServletResponse().setDateHeader(name, date);
     }
     
     /**
      * The default behavior of this method is to call addDateHeader(String name, long date)
      * on the wrapped response object.
      */
    public void addDateHeader(String name, long date) {
 	this._getHttpServletResponse().addDateHeader(name, date);
     }
     
     /**
      * The default behavior of this method is to return setHeader(String name, String value)
      * on the wrapped response object.
      */
     public void setHeader(String name, String value) {
 	this._getHttpServletResponse().setHeader(name, value);
     }
     
     /**
      * The default behavior of this method is to return addHeader(String name, String value)
      * on the wrapped response object.
      */
      public void addHeader(String name, String value) {
 	this._getHttpServletResponse().addHeader(name, value);
     }
     
     /**
      * The default behavior of this method is to call setIntHeader(String name, int value)
      * on the wrapped response object.
      */
     public void setIntHeader(String name, int value) {
 	this._getHttpServletResponse().setIntHeader(name, value);
     }
     
     /**
      * The default behavior of this method is to call addIntHeader(String name, int value)
      * on the wrapped response object.
      */
     public void addIntHeader(String name, int value) {
 	this._getHttpServletResponse().addIntHeader(name, value);
     }
 
     /**
      * The default behavior of this method is to call setStatus(int sc)
      * on the wrapped response object.
      */
 
 
     public void setStatus(int sc) {
 	this._getHttpServletResponse().setStatus(sc);
     }
     
     /**
      * The default behavior of this method is to call setStatus(int sc, String sm)
      * on the wrapped response object.
      */
      public void setStatus(int sc, String sm) {
 	this._getHttpServletResponse().setStatus(sc, sm);
     }
 
    
 }