ariba.util.core
Interface ReferenceReader

public interface ReferenceReader

Interface class for reading value of a parameter reference.

Method Summary

void	init(List args) Initialize this class
Object	read(Object key) read the value of a given key

Method Detail

init

void init(List args)
          throws ReferenceReaderException,
                 IOException

Initialize this class

Parameters:

args - input arguments, must be called first and only once after the implementing class is instantiated.

Throws:

IOException - if an exception is raised due to I/O error

ReferenceReaderException - raised when any errors other than I/O is encountered.

read

Object read(Object key)
            throws ReferenceReaderException

read the value of a given key

Parameters:

key - the key whose value is to be read. Must be non-null.

Returns:

the value read. null if the key does not exist.

Throws:

ReferenceReaderException - raised when any errors is encountered during this operation.