rabbit.proxy
Class ETagUtils

java.lang.Object
  rabbit.proxy.ETagUtils

public class ETagUtils
extends java.lang.Object

Methods dealing with etags

Author:

Robert Olofsson

Constructor Summary

ETagUtils()

Method Summary

static boolean	checkStrongEtag(java.lang.String et, java.lang.String im) Check if we have a strong etag match.
static boolean	checkWeakEtag(HttpHeader h1, HttpHeader h2) Remove any W/ prefix then check if etags are equal.
static boolean	checkWeakEtag(java.lang.String et, java.lang.String im) Remove any W/ prefix from the inputs then check if they are equal.
static boolean	isWeak(java.lang.String t) Check if the given etag is weak.

Methods inherited from class java.lang.Object

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

Constructor Detail

ETagUtils

public ETagUtils()

Method Detail

isWeak

public static boolean isWeak(java.lang.String t)

Check if the given etag is weak.

Parameters:

t - the String to check

Returns:

true if the given token starts with the weak identifier "W/"

checkStrongEtag

public static boolean checkStrongEtag(java.lang.String et,
                                      java.lang.String im)

Check if we have a strong etag match.

Parameters:

et - the current etag

im - the if-modified tag

Returns:

true if we have a strong matching

checkWeakEtag

public static boolean checkWeakEtag(HttpHeader h1,
                                    HttpHeader h2)

Remove any W/ prefix then check if etags are equal. Inputs can be in any order.

Parameters:

h1 - the first header to get an etag from

h2 - the second header to get an etag from

Returns:

true if the etags match or at least one of the etag headers do not exist.

checkWeakEtag

public static boolean checkWeakEtag(java.lang.String et,
                                    java.lang.String im)

Remove any W/ prefix from the inputs then check if they are equal. Inputs can be in any order.

Parameters:

et - an etag header

im - an if-modified header

Returns:

true if equal.