/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package javax.servlet.http;
import javax.servlet.ServletResponse;
import javax.servlet.ServletResponseWrapper;
import java.io.IOException;
import java.util.Collection;
/**
* Wraps a servlet request in another request. Filters may
* use HttpServletResponseWrapper to modify the headers passed to the servlet.
*
* <p/>The default methods just call the wrapped request methods.
*
* @since servlet 2.3
*/
public class HttpServletResponseWrapper extends ServletResponseWrapper
implements HttpServletResponse {
// The wrapped response
private HttpServletResponse response;
/**
* Creates a new Response wrapper
*
* @param response the wrapped response
*/
public HttpServletResponseWrapper(HttpServletResponse response)
{
super(response);
this.response = response;
}
/**
* Sets a response object.
*
* @param response the response object
*/
public void setResponse(ServletResponse response)
{
super.setResponse(response);
this.response = (HttpServletResponse) response;
}
/**
* Sets the HTTP status
*
* @param sc the HTTP status code
*/
public void setStatus(int sc)
{
response.setStatus(sc);
}
/**
* Sends an HTTP error page based on the status code
*
* @param sc the HTTP status code
*/
public void sendError(int sc, String msg)
throws IOException
{
response.sendError(sc, msg);
}
/**
* Sends an HTTP error page based on the status code
*
* @param sc the HTTP status code
*/
public void sendError(int sc)
throws IOException
{
response.sendError(sc);
}
/**
* Redirects the client to another page.
*
* @param location the location to redirect to.
*/
public void sendRedirect(String location)
throws IOException
{
response.sendRedirect(location);
}
/**
* Sets a header. This will override a previous header
* with the same name.
*
* @param name the header name
* @param value the header value
*/
public void setHeader(String name, String value)
{
response.setHeader(name, value);
}
/**
* Adds a header. If another header with the same name exists, both
* will be sent to the client.
*
* @param name the header name
* @param value the header value
*/
public void addHeader(String name, String value)
{
response.addHeader(name, value);
}
/**
* Returns true if the output headers include <code>name</code>
*
* @param name the header name to test
*/
public boolean containsHeader(String name)
{
return response.containsHeader(name);
}
/**
* Sets a header by converting a date to a string.
*
* <p>To set the page to expire in 15 seconds use the following:
* <pre><code>
* long now = System.currentTime();
* response.setDateHeader("Expires", now + 15000);
* </code></pre>
*
* @param name name of the header
* @param date the date in milliseconds since the epoch.
*/
public void setDateHeader(String name, long date)
{
response.setDateHeader(name, date);
}
/**
* Adds a header by converting a date to a string.
*
* @param name name of the header
* @param date the date in milliseconds since the epoch.
*/
public void addDateHeader(String name, long date)
{
response.addDateHeader(name, date);
}
/**
* Sets a header by converting an integer value to a string.
*
* @param name name of the header
* @param value the value as an integer
*/
public void setIntHeader(String name, int value)
{
response.setIntHeader(name, value);
}
/**
* Adds a header by converting an integer value to a string.
*
* @param name name of the header
* @param value the value as an integer
*/
public void addIntHeader(String name, int value)
{
response.addIntHeader(name, value);
}
/**
* Sends a new cookie to the client.
*/
public void addCookie(Cookie cookie)
{
response.addCookie(cookie);
}
/**
* Encodes session information in a URL. Calling this will enable
* sessions for users who have disabled cookies.
*
* @param url the url to encode
* @return a url with session information encoded
*/
public String encodeURL(String url)
{
return response.encodeURL(url);
}
/**
* Encodes session information in a URL suitable for
* <code>sendRedirect()</code>
*
* @param url the url to encode
* @return a url with session information encoded
*/
public String encodeRedirectURL(String name)
{
return response.encodeRedirectURL(name);
}
public void setStatus(int sc, String msg)
{
response.setStatus(sc, msg);
}
public int getStatus()
{
return response.getStatus();
}
public String getHeader(String name)
{
//XXX: test
return response.getHeader(name);
}
public Collection<String> getHeaders(String name)
{
return response.getHeaders(name);
}
public Collection<String> getHeaderNames()
{
return response.getHeaderNames();
}
/**
* @deprecated
*/
public String encodeUrl(String url)
{
return encodeURL(url);
}
/**
* @deprecated
*/
public String encodeRedirectUrl(String url)
{
return encodeRedirectURL(url);
}
}