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Re: Redirect Request in FileResource?

From: Benoit Mahe <Benoit.Mahe@sophia.inria.fr>
Date: Thu, 09 Oct 1997 17:37:28 +0200
Message-Id: <199710091537.RAA29885@www43.inria.fr>
To: pazandak@OBJS.com
cc: www-jigsaw@w3.org, Benoit.Mahe@sophia.inria.fr
> In a subclass of FileResource I may determine that I want to redirect the request to
> another file -- is this possible?  Yes, I can change the filename & return the content of the
> other file, but this would bypass security & any file processing that may be done earlier in
> the request process.
> 
> What is the proper way to redirect an HTTP request (in Jigsaw)?
> 
> Paul.
> --
> 
> ********************************************************************
> Paul Pazandak                                      pazandak@objs.com
> Object Services and Consulting, Inc.             http://www.objs.com
> Minneapolis, Minnesota 55420-5409                       612-881-6498
> ********************************************************************
>  
> 

 If you want to make a HTTP redirect with the MOVED_TEMPORARILY or 
 MOVED_PERMANENTLY reply code, look at w3c.jigsaw.resources.RelocateResource
 otherwise the way to do an internal redirect could be :

 public Reply perform(Request request)
    throws HTTPException, ClientException
  {
    Reply        reply  = null;
    httpd        server = getServer();
    String target = "/foo/bar/toto.html"; //the resource to redirect the 
request
    request.setReferer(getURLPath());

    try {
      request.setURL( new URL(server.getURL(), target));
    } catch (MalformedURLException ex) {
      Reply error = request.makeReply(HTTP.INTERNAL_SERVER_ERROR);
      error.setContent("<html><head><title>Server Error</title>"+
		       "</head><body><h1>Server misconfigured</h1>"+
		       "<p>The resource <b>"+getIdentifier()+"</b>"+
		       "has an invalid target attribute : <p><b>"+
		       getTarget()+"</b></body></html>");      
      throw new HTTPException (error);
    }
    return server.perform(request);
  }

 
 

- Benoît Mahé -------------------------------------------------------
World Wide Web Consortium         bmahe@w3.org, bmahe@sophia.inria.fr 
Architecture domain - Jigsaw Team               tel : 04 93 65 79 89
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Received on Thursday, 9 October 1997 11:40:15 GMT

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