info.magnolia.module.cache.util
Class GZipUtil

java.lang.Object
  info.magnolia.module.cache.util.GZipUtil

public class GZipUtil
extends Object

Provide useful methods for working with gzip'd byte[]. Code originated from net.sf.ehcache.constructs.web.PageInfo under the Apache License Version 2.0.

Version:

$Revision: $ ($Author: $)

Constructor Summary

GZipUtil()

Method Summary

static byte[]	gzip(byte[] ungzipped)
static boolean	isAcceptsGzip(javax.servlet.http.HttpServletRequest request) True if the response should be gzipped.
static boolean	isGZipMimeType(String contentType)
static boolean	isGZipped(byte[] candidate) Checks the first two bytes of the candidate byte array for the magic number 0x677a.
static byte[]	ungzip(byte[] gzipped)

Methods inherited from class java.lang.Object

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

Constructor Detail

GZipUtil

public GZipUtil()

Method Detail

gzip

public static byte[] gzip(byte[] ungzipped)
                   throws IOException

Throws:

IOException

ungzip

public static byte[] ungzip(byte[] gzipped)
                     throws IOException

Throws:

IOException

isGZipped

public static boolean isGZipped(byte[] candidate)

Checks the first two bytes of the candidate byte array for the magic number 0x677a.

isGZipMimeType

public static boolean isGZipMimeType(String contentType)

isAcceptsGzip

public static boolean isAcceptsGzip(javax.servlet.http.HttpServletRequest request)

True if the response should be gzipped. Uses the compression configuration of the cache and checks if the client accepts gzip responses.