Package play.mvc

Class CookieDataCodec

java.lang.Object

play.mvc.CookieDataCodec

public class CookieDataCodec
extends Object

Provides operations around the encoding and decoding of Cookie data.

Field Summary

Fields

Modifier and Type	Field	Description
static Pattern	oldCookieSessionParser	Cookie session parser for cookie created by version 1.2.5 or before.

Constructor Summary

Constructors

Constructor	Description
CookieDataCodec()

Method Summary

Modifier and Type	Method	Description
static void	decode(Map<String,String> map, String data)
static String	encode(Map<String,String> map)
static boolean	safeEquals(String a, String b)	Constant time for same length String comparison, to prevent timing attacks

Methods inherited from class java.lang.Object

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

Field Details

oldCookieSessionParser

public static Pattern oldCookieSessionParser

Cookie session parser for cookie created by version 1.2.5 or before.

We need it to support old Play 1.2.5 session data encoding so that the cookie data doesn't become invalid when applications are upgraded to a newer version of Play

Constructor Details

CookieDataCodec

public CookieDataCodec()

Method Details

decode

public static void decode(Map<String,String> map,
 String data)
                   throws UnsupportedEncodingException

Parameters:

map - the map to decode data into.

data - the data to decode.

Throws:

UnsupportedEncodingException - if the encoding is not supported

encode

public static String encode(Map<String,String> map)
                     throws UnsupportedEncodingException

Parameters:

map - the data to encode.

Returns:

the encoded data.

Throws:

UnsupportedEncodingException - if the encoding is not supported

safeEquals

public static boolean safeEquals(String a,
 String b)

Constant time for same length String comparison, to prevent timing attacks

Parameters:

a - The string a

b - the string b

Returns:

true is the 2 strings are equals