play.mvc

Class CookieDataCodec

java.lang.Object

play.mvc.CookieDataCodec

public class CookieDataCodec
extends java.lang.Object

Provides operations around the encoding and decoding of Cookie data.

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
CookieDataCodec()

Method Summary

Modifier and Type	Method and Description
static void	decode(java.util.Map<java.lang.String,java.lang.String> map, java.lang.String data)
static java.lang.String	encode(java.util.Map<java.lang.String,java.lang.String> map)
static boolean	safeEquals(java.lang.String a, java.lang.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 Detail

oldCookieSessionParser

public static java.util.regex.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 Detail

CookieDataCodec

public CookieDataCodec()

Method Detail

decode

public static void decode(java.util.Map<java.lang.String,java.lang.String> map,
                          java.lang.String data)
                   throws java.io.UnsupportedEncodingException

Parameters:

map - the map to decode data into.

data - the data to decode.

Throws:

java.io.UnsupportedEncodingException - if the encoding is not supported

encode

public static java.lang.String encode(java.util.Map<java.lang.String,java.lang.String> map)
                               throws java.io.UnsupportedEncodingException

Parameters:

map - the data to encode.

Returns:

the encoded data.

Throws:

java.io.UnsupportedEncodingException - if the encoding is not supported

safeEquals

public static boolean safeEquals(java.lang.String a,
                                 java.lang.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