org.archive.wayback.replay

Class TransparentReplayRenderer

java.lang.Object

org.archive.wayback.replay.TransparentReplayRenderer

All Implemented Interfaces:

ReplayRenderer

public class TransparentReplayRenderer
extends Object
implements ReplayRenderer

ReplayRenderer implementation which returns the archive document as pristinely as possible -- no modifications to response code, HTTP headers, or original byte-stream.

Now this class has a limited support for range requests. If the request has Range header, it tries to fulfill it by extracting requested byte range from the archived content (either 200 or 206 responses). If the Resource is not suitable for replaying the request ranges, renderResource throws RangeNotSatisfiable, so that replay process can try another capture, or take other actions.

Version:

$Date$, $Revision$

Author:

brad

Constructor Summary

Constructors

Constructor and Description
TransparentReplayRenderer(HttpHeaderProcessor httpHeaderProcessor)

Method Summary

Methods

Modifier and Type	Method and Description
void	renderResource(javax.servlet.http.HttpServletRequest httpRequest, javax.servlet.http.HttpServletResponse httpResponse, WaybackRequest wbRequest, CaptureSearchResult result, Resource httpHeadersResource, Resource payloadResource, ResultURIConverter uriConverter, CaptureSearchResults results) Generate response that replays capture archive httpHeadersResource, reading archived content (HTTP entity) from payloadResource.
void	renderResource(javax.servlet.http.HttpServletRequest httpRequest, javax.servlet.http.HttpServletResponse httpResponse, WaybackRequest wbRequest, CaptureSearchResult result, Resource resource, ResultURIConverter uriConverter, CaptureSearchResults results) Generate response that replays capture archive resource.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TransparentReplayRenderer

public TransparentReplayRenderer(HttpHeaderProcessor httpHeaderProcessor)

Method Detail

renderResource

public void renderResource(javax.servlet.http.HttpServletRequest httpRequest,
                  javax.servlet.http.HttpServletResponse httpResponse,
                  WaybackRequest wbRequest,
                  CaptureSearchResult result,
                  Resource resource,
                  ResultURIConverter uriConverter,
                  CaptureSearchResults results)
                    throws javax.servlet.ServletException,
                           IOException,
                           SpecificCaptureReplayException

Description copied from interface: ReplayRenderer

Generate response that replays capture archive resource.

Specified by:

renderResource in interface ReplayRenderer

Parameters:

httpRequest - the HttpServletRequest

httpResponse - the HttpServletResponse

wbRequest - the WaybackRequest that returned the results

result - actual CaptureSearchResult that maps to resource to replay

resource - resource to replay

uriConverter - the URI converter to use to translate matching results into replayable URLs

results - all CaptureSearchResults that were returned from the ResourceIndex, probably including other capture dates of the same URL.

Throws:

javax.servlet.ServletException - per usual

IOException - per usual

SpecificCaptureReplayException

renderResource

public void renderResource(javax.servlet.http.HttpServletRequest httpRequest,
                  javax.servlet.http.HttpServletResponse httpResponse,
                  WaybackRequest wbRequest,
                  CaptureSearchResult result,
                  Resource httpHeadersResource,
                  Resource payloadResource,
                  ResultURIConverter uriConverter,
                  CaptureSearchResults results)
                    throws javax.servlet.ServletException,
                           IOException,
                           SpecificCaptureReplayException

Description copied from interface: ReplayRenderer

Generate response that replays capture archive httpHeadersResource, reading archived content (HTTP entity) from payloadResource.

Specified by:

renderResource in interface ReplayRenderer

Parameters:

httpRequest - the HttpServletRequest

httpResponse - the HttpServletResponse

wbRequest - the WaybackRequest that returned the results

result - CaptureSearchResult that maps to resource to replay

httpHeadersResource - resource with HTTP headers to replay (typically a revisit record.)

payloadResource - resource with payload to replay

uriConverter - the URI converter to use to translate matching results into replayable URLs

results - all CaptureSearchResults that were returned from the ResourceIndex, probably including other capture dates of the same URL.

Throws:

javax.servlet.ServletException - per usual

IOException - per usual

SpecificCaptureReplayException