/*
   * 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 javax.servlet.ServletRequestWrapper;
  import java.util.Enumeration;
  
  /**
   * 
   * Provides a convenient implementation of the HttpServletRequest interface that
   * can be subclassed by developers wishing to adapt the request to a Servlet.
   * This class implements the Wrapper or Decorator pattern. Methods default to
   * calling through to the wrapped request object.
   * 
   *
   * @see 	javax.servlet.http.HttpServletRequest
    * @since	v 2.3
   *
   */
  
  
  public class HttpServletRequestWrapper extends ServletRequestWrapper implements HttpServletRequest {
  
  	/** 
  	* Constructs a request object wrapping the given request.
  	* @throws java.lang.IllegalArgumentException if the request is null
  	*/
      public HttpServletRequestWrapper(HttpServletRequest request) {
  	    super(request);
      }
      
      private HttpServletRequest _getHttpServletRequest() {
  	return (HttpServletRequest) super.getRequest();
      }
  
      /**
       * The default behavior of this method is to return getAuthType()
       * on the wrapped request object.
       */
  
      public String getAuthType() {
  	return this._getHttpServletRequest().getAuthType();
      }
     
      /**
       * The default behavior of this method is to return getCookies()
       * on the wrapped request object.
       */
      public Cookie[] getCookies() {
  	return this._getHttpServletRequest().getCookies();
      }
  
      /**
       * The default behavior of this method is to return getDateHeader(String name)
       * on the wrapped request object.
       */
      public long getDateHeader(String name) {
  	return this._getHttpServletRequest().getDateHeader(name);
      }
          	
      /**
       * The default behavior of this method is to return getHeader(String name)
       * on the wrapped request object.
       */
      public String getHeader(String name) {
  	return this._getHttpServletRequest().getHeader(name);
      }
      
      /**
       * The default behavior of this method is to return getHeaders(String name)
       * on the wrapped request object.
       */
      public Enumeration getHeaders(String name) {
  	return this._getHttpServletRequest().getHeaders(name);
      }  
  
      /**
       * The default behavior of this method is to return getHeaderNames()
       * on the wrapped request object.
       */
    
      public Enumeration getHeaderNames() {
  	return this._getHttpServletRequest().getHeaderNames();
      }
      
      /**
      * The default behavior of this method is to return getIntHeader(String name)
      * on the wrapped request object.
      */
 
      public int getIntHeader(String name) {
 	return this._getHttpServletRequest().getIntHeader(name);
     }
     
     /**
      * The default behavior of this method is to return getMethod()
      * on the wrapped request object.
      */
     public String getMethod() {
 	return this._getHttpServletRequest().getMethod();
     }
     
     /**
      * The default behavior of this method is to return getPathInfo()
      * on the wrapped request object.
      */
     public String getPathInfo() {
 	return this._getHttpServletRequest().getPathInfo();
     }
 
     /**
      * The default behavior of this method is to return getPathTranslated()
      * on the wrapped request object.
      */
 
      public String getPathTranslated() {
 	return this._getHttpServletRequest().getPathTranslated();
     }
 
     /**
      * The default behavior of this method is to return getContextPath()
      * on the wrapped request object.
      */
     public String getContextPath() {
 	return this._getHttpServletRequest().getContextPath();
     }
     
     /**
      * The default behavior of this method is to return getQueryString()
      * on the wrapped request object.
      */
     public String getQueryString() {
 	return this._getHttpServletRequest().getQueryString();
     }
     
     /**
      * The default behavior of this method is to return getRemoteUser()
      * on the wrapped request object.
      */
     public String getRemoteUser() {
 	return this._getHttpServletRequest().getRemoteUser();
     }
     
  
     /**
      * The default behavior of this method is to return isUserInRole(String role)
      * on the wrapped request object.
      */
     public boolean isUserInRole(String role) {
 	return this._getHttpServletRequest().isUserInRole(role);
     }
     
     
     
     /**
      * The default behavior of this method is to return getUserPrincipal()
      * on the wrapped request object.
      */
     public java.security.Principal getUserPrincipal() {
 	return this._getHttpServletRequest().getUserPrincipal();
     }
     
    
     /**
      * The default behavior of this method is to return getRequestedSessionId()
      * on the wrapped request object.
      */
     public String getRequestedSessionId() {
 	return this._getHttpServletRequest().getRequestedSessionId();
     }
     
     /**
      * The default behavior of this method is to return getRequestURI()
      * on the wrapped request object.
      */
     public String getRequestURI() {
 	return this._getHttpServletRequest().getRequestURI();
     }
 	/**
      * The default behavior of this method is to return getRequestURL()
      * on the wrapped request object.
      */
     public StringBuffer getRequestURL() {
 	return this._getHttpServletRequest().getRequestURL();
     }
 	
     
     /**
      * The default behavior of this method is to return getServletPath()
      * on the wrapped request object.
      */
     public String getServletPath() {
 	return this._getHttpServletRequest().getServletPath();
     }
     
     
     /**
      * The default behavior of this method is to return getSession(boolean create)
      * on the wrapped request object.
      */
     public HttpSession getSession(boolean create) {
 	return this._getHttpServletRequest().getSession(create);
     }
     
     /**
      * The default behavior of this method is to return getSession()
      * on the wrapped request object.
      */
     public HttpSession getSession() {
 	return this._getHttpServletRequest().getSession();
     }
     
     /**
      * The default behavior of this method is to return isRequestedSessionIdValid()
      * on the wrapped request object.
      */ 
 
     public boolean isRequestedSessionIdValid() {
 	return this._getHttpServletRequest().isRequestedSessionIdValid();
     }
      
     
     /**
      * The default behavior of this method is to return isRequestedSessionIdFromCookie()
      * on the wrapped request object.
      */
     public boolean isRequestedSessionIdFromCookie() {
 	return this._getHttpServletRequest().isRequestedSessionIdFromCookie();
     }
     
     	  /**
      * The default behavior of this method is to return isRequestedSessionIdFromURL()
      * on the wrapped request object.
      */ 
     public boolean isRequestedSessionIdFromURL() {
 	return this._getHttpServletRequest().isRequestedSessionIdFromURL();
     }
     
     /**
      * The default behavior of this method is to return isRequestedSessionIdFromUrl()
      * on the wrapped request object.
      */
     public boolean isRequestedSessionIdFromUrl() {
 	return this._getHttpServletRequest().isRequestedSessionIdFromUrl();
     }
 
 
     
 }