context.arch.comm.language
Class ParserObject

java.lang.Object
  context.arch.comm.language.ParserObject

public class ParserObject

extends java.lang.Object

This class handles the encoding and decoding for the BaseObject class.

Field Summary

static java.lang.String	AELFRED_XML_DECODER The AELFRED SAX XML decoder class is "context.arch.comm.language.SAX_XMLDecoder".
static boolean	DEBUG Debug flag.
static java.lang.String	DEFAULT_DECODER The default decoder class to use is "context.arch.comm.language.SAX_XMLDecoder".
static java.lang.String	DEFAULT_ENCODER The default encoder class to use is "context.arch.comm.language.XMLEncoder".
static java.lang.String	XML_ENCODER The XML encoder class is "context.arch.comm.language.XMLEncoder".

Constructor Summary

ParserObject()
Basic constructor for ParserObject using the default encoder and decoder

ParserObject(java.lang.String encoderClass)
Constructor for ParserObject using the given encoder and default decoder

ParserObject(java.lang.String encoderClass, java.lang.String decoderClass)
Constructor for ParserObject using the given encoder and decoder class.

Method Summary

DataObject	decodeData(java.io.Reader message) This method tries to create a DecoderInterface object and decode the given message in the Reader.
DataObject	decodeData(java.lang.String className, java.io.Reader message) This method tries to create a DecoderInterface object using the given class name and decode the given message in the Reader.
java.lang.String	encodeData(DataObject message) This method tries to create a EncoderInterface object and encode the given message in the DataObject.
java.lang.String	encodeData(java.lang.String className, DataObject message) This method tries to create a EncoderInterface object using the given class and encode the given message in the DataObject.

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

public static boolean DEBUG

Debug flag. Set to true to see debug messages.

DEFAULT_DECODER

public static final java.lang.String DEFAULT_DECODER

The default decoder class to use is "context.arch.comm.language.SAX_XMLDecoder".

See Also:

Constant Field Values

AELFRED_XML_DECODER

public static final java.lang.String AELFRED_XML_DECODER

The AELFRED SAX XML decoder class is "context.arch.comm.language.SAX_XMLDecoder".

See Also:

Constant Field Values

DEFAULT_ENCODER

public static final java.lang.String DEFAULT_ENCODER

The default encoder class to use is "context.arch.comm.language.XMLEncoder".

See Also:

Constant Field Values

XML_ENCODER

public static final java.lang.String XML_ENCODER

The XML encoder class is "context.arch.comm.language.XMLEncoder".

See Also:

Constant Field Values

Constructor Detail

ParserObject

public ParserObject()

Basic constructor for ParserObject using the default encoder and decoder

See Also:

DEFAULT_ENCODER, DEFAULT_DECODER

ParserObject

public ParserObject(java.lang.String encoderClass)

Constructor for ParserObject using the given encoder and default decoder

Parameters:

encoderClass - class to use for encoding

See Also:

DEFAULT_DECODER

ParserObject

public ParserObject(java.lang.String encoderClass,
                    java.lang.String decoderClass)

Constructor for ParserObject using the given encoder and decoder class. If either parameter is null, the DEFAULT_ENCODER or DEFAULT_DECODER is used.

Parameters:

encoderClass - Encoder class to use for encoding

See Also:

DEFAULT_ENCODER, DEFAULT_DECODER

Method Detail

decodeData

public DataObject decodeData(java.io.Reader message)
                      throws DecodeException,
                             InvalidDecoderException

This method tries to create a DecoderInterface object and decode the given message in the Reader.

Parameters:

message - Reader containing a message to be decoded

Returns:

decoded message in a DataObject

Throws:

DecodeException - if the message can't be decoded

InvalidDecoderException - if the decoder can't be created

See Also:

DecoderInterface.decodeData(Reader)

decodeData

public DataObject decodeData(java.lang.String className,
                             java.io.Reader message)
                      throws DecodeException,
                             InvalidDecoderException

This method tries to create a DecoderInterface object using the given class name and decode the given message in the Reader.

Parameters:

className - Class to use to instantiate a decoder

message - Reader containing a message to be decoded

Returns:

decoded message in a DataObject

Throws:

DecodeException - if the message can't be decoded

InvalidDecoderException - if the decoder can't be created

See Also:

DecoderInterface.decodeData(Reader)

encodeData

public java.lang.String encodeData(DataObject message)
                            throws EncodeException,
                                   InvalidEncoderException

This method tries to create a EncoderInterface object and encode the given message in the DataObject.

Parameters:

message - DataObject containing a message to be encoded

Returns:

encoded message as a String

Throws:

EncodeException - if the message can't be encoded

InvalidEncoderException - if the encoder can't be created

See Also:

EncoderInterface.encodeData(DataObject)

encodeData

public java.lang.String encodeData(java.lang.String className,
                                   DataObject message)
                            throws EncodeException,
                                   InvalidEncoderException

This method tries to create a EncoderInterface object using the given class and encode the given message in the DataObject.

Parameters:

className - Class to use to instantiate a encoder

message - DataObject containing a message to be encoded

Returns:

encoded message as a String

Throws:

EncodeException - if the message can't be encoded

InvalidEncoderException - if the encoder can't be created

See Also:

EncoderInterface.encodeData(DataObject)