public interface

Decoder

org.apache.commons.codec.Decoder
Known Indirect Subclasses

Class Overview

Provides the highest level of abstraction for Decoders. This is the sister interface of Encoder. All Decoders implement this common generic interface.

Allows a user to pass a generic Object to any Decoder implementation in the codec package.

One of the two interfaces at the center of the codec package.

Summary

Public Methods
abstract Object decode(Object pObject)
Decodes an "encoded" Object and returns a "decoded" Object.

Public Methods

public abstract Object decode (Object pObject)

Decodes an "encoded" Object and returns a "decoded" Object. Note that the implementation of this interface will try to cast the Object parameter to the specific type expected by a particular Decoder implementation. If a ClassCastException occurs this decode method will throw a DecoderException.

Parameters
pObject an object to "decode"
Returns
  • a 'decoded" object
Throws
DecoderException a decoder exception can be thrown for any number of reasons. Some good candidates are that the parameter passed to this method is null, a param cannot be cast to the appropriate type for a specific encoder.