org.owasp.esapi.codecs

Class UnixCodec

java.lang.Object

org.owasp.esapi.codecs.Codec

org.owasp.esapi.codecs.UnixCodec

public class UnixCodec
extends Codec

Implementation of the Codec interface for '\' encoding from Unix command shell.

Since:

June 1, 2007

Author:

Jeff Williams (jeff.williams .at. aspectsecurity.com) Aspect Security

See Also:

Encoder

Constructor Summary

Constructors

Constructor and Description
UnixCodec()

Method Summary

Methods

Modifier and Type	Method and Description
Character	decodeCharacter(PushbackString input) Returns the decoded version of the next character from the input string and advances the current character in the PushbackString.
String	encodeCharacter(char[] immune, Character c) Default implementation that should be overridden in specific codecs.

Methods inherited from class org.owasp.esapi.codecs.Codec

containsCharacter, decode, encode, getHexForNonAlphanumeric, toHex, toOctal

Methods inherited from class java.lang.Object

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

Constructor Detail

UnixCodec

public UnixCodec()

Method Detail

encodeCharacter

public String encodeCharacter(char[] immune,
                     Character c)

Default implementation that should be overridden in specific codecs. Returns backslash-encoded character

Overrides:

encodeCharacter in class Codec

Parameters:

immune -

c - the Character to encode

Returns:

the encoded Character

decodeCharacter

public Character decodeCharacter(PushbackString input)

Returns the decoded version of the next character from the input string and advances the current character in the PushbackString. If the current character is not encoded, this method MUST reset the PushbackString. Returns the decoded version of the character starting at index, or null if no decoding is possible.

Formats all are legal both upper/lower case: \x - all special characters

Overrides:

decodeCharacter in class Codec

Parameters:

input - the Character to decode

Returns:

the decoded Character