org.apereo.spring.webflow.plugin

Interface Transcoder

All Known Implementing Classes:

EncryptedTranscoder

public interface Transcoder

Provides a strategy pattern interface for transforming an object into a byte array and vice versa. Transcoder components are used by ClientFlowExecutionRepository for producing the data stored in a ClientFlowExecutionKey.

Author:

Marvin S. Addison

See Also:

ClientFlowExecutionKey, ClientFlowExecutionRepository

Method Summary

Modifier and Type	Method and Description
Object	decode(byte[] encoded) Decodes a stream of bytes produced by encode(Object) back into the original object.
byte[]	encode(Object o) Encodes an object into a stream of bytes.

Method Detail

encode

byte[] encode(Object o)
       throws IOException

Encodes an object into a stream of bytes.

Parameters:

o - Object to encode.

Returns:

Object encoded as a byte array.

Throws:

IOException - On encoding errors.

decode

Object decode(byte[] encoded)
       throws IOException

Decodes a stream of bytes produced by encode(Object) back into the original object.

Parameters:

encoded - Encoded representation of an object.

Returns:

Object decoded from byte array.

Throws:

IOException - On decoding errors.