org.archive.wayback.replay

Class PreservingHttpHeaderProcessor

java.lang.Object

org.archive.wayback.replay.PreservingHttpHeaderProcessor

All Implemented Interfaces:

HttpHeaderProcessor

Direct Known Subclasses:

IdentityHttpHeaderProcessor, RedirectRewritingHttpHeaderProcessor, XArchiveHttpHeaderProcessor

public abstract class PreservingHttpHeaderProcessor
extends Object
implements HttpHeaderProcessor

base class for HttpHeaderProcessor that preserves original headers by prepending header name with given prefix.

use preserve(Map, String, String) for headers that should not be preserved if prefix is empty. use preserveAlways(Map, String, String) for headers that need to be preserved regardless of prefix.

Author:

Kenji Nagahashi

Field Summary

Fields

Modifier and Type	Field and Description
protected String	prefix

Fields inherited from interface org.archive.wayback.replay.HttpHeaderProcessor

HTTP_CONTENT_BASE_HEADER, HTTP_CONTENT_BASE_HEADER_UP, HTTP_CONTENT_DISP_HEADER, HTTP_CONTENT_DISP_HEADER_UP, HTTP_CONTENT_LOCATION_HEADER, HTTP_CONTENT_LOCATION_HEADER_UP, HTTP_CONTENT_RANGE_HEADER, HTTP_CONTENT_RANGE_HEADER_UP, HTTP_CONTENT_TYPE_HEADER, HTTP_CONTENT_TYPE_HEADER_UP, HTTP_LENGTH_HEADER, HTTP_LENGTH_HEADER_UP, HTTP_LOCATION_HEADER, HTTP_LOCATION_HEADER_UP, HTTP_TRANSFER_ENCODING_HEADER, HTTP_TRANSFER_ENCODING_HEADER_UP

Constructor Summary

Constructors

Constructor and Description
PreservingHttpHeaderProcessor()

Method Summary

Methods

Modifier and Type	Method and Description
String	getPrefix()
protected void	preserve(Map<String,String> output, String name, String value) add a header prefix + name with value value to output.
protected void	preserveAlways(Map<String,String> output, String name, String value) add a header prefix + name with value value to output.
void	setPrefix(String prefix) prefix prepended to the name of headers preserved.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.archive.wayback.replay.HttpHeaderProcessor

filter

Field Detail

prefix

protected String prefix

Constructor Detail

PreservingHttpHeaderProcessor

public PreservingHttpHeaderProcessor()

Method Detail

getPrefix

public String getPrefix()

setPrefix

public void setPrefix(String prefix)

prefix prepended to the name of headers preserved.

Example: "X-Archive-Orig-". Empty String is translated to null. Default value is null.

Parameters:

prefix - header name prefix

preserve

protected void preserve(Map<String,String> output,
            String name,
            String value)

add a header prefix + name with value value to output. if prefix is either null or empty, this method is no-op.

Parameters:

output - headers Map

name - header name

value - header value

preserveAlways

protected void preserveAlways(Map<String,String> output,
                  String name,
                  String value)

add a header prefix + name with value value to output. if prefix is either null or empty, header is added with original name.

Parameters:

output - headers Map

name - header name

value - header value