Package org.medcare.igtl.network

Class MessageHandler

java.lang.Object

org.medcare.igtl.network.MessageHandler

Direct Known Subclasses:

GenericServerResponseHandler

public abstract class MessageHandler
extends Object

Perform request corresponding to the message received performRequest methods must be adapted corresponding to the need of each use User must adapt Capability list, to be able to send the right capability list and to have a correct error management for incorrect capability request

Field Summary

Fields

Modifier and Type	Field	Description
ArrayList<String>	capabilityList
ServerThread	serverThread

Constructor Summary

Constructors

Constructor	Description
MessageHandler(Header header, byte[] body, ServerThread serverThread)	Default MessageQueueManager constructor.

Method Summary

Modifier and Type	Method	Description
byte[]	getBody()
ArrayList<String>	getCapability()	** Gets the ArrayList of Types implemented in this Handler
Header	getHeader()
abstract void	manageError(String message, Exception exception, int errorCode)	manage error this method must be adapted for each use
abstract boolean	perform(String messageType)	Perform the request job this method must be adapted for each use
boolean	performRequest()	Perform the request job on the message performRequest methods must be corresponding to the need of each use
void	setBody(byte[] body)
void	setHeader(Header header)

Methods inherited from class java.lang.Object

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

Field Details

serverThread

public ServerThread serverThread

capabilityList

public ArrayList<String> capabilityList

Constructor Details

MessageHandler

public MessageHandler(Header header,
 byte[] body,
 ServerThread serverThread)

Default MessageQueueManager constructor.

Parameters:

header - of the message

body - of the message

serverThread - serverThread object

Method Details

performRequest

public boolean performRequest()
                       throws Exception

Perform the request job on the message performRequest methods must be corresponding to the need of each use

Returns:

True if response job performed successfully

Throws:

Exception - received by perform method

perform

public abstract boolean perform(String messageType)
                         throws Exception

Perform the request job this method must be adapted for each use

Parameters:

messageType - The messageType

Returns:

True if response job performed successfully

Throws:

Exception - CrcException will be thrown at crc check during message unpacking Other exceptions can be thrown

manageError

public abstract void manageError(String message,
 Exception exception,
 int errorCode)

manage error this method must be adapted for each use

Parameters:

message - The message for error datail

exception - The exception for error

errorCode - The error Code

getCapability

public ArrayList<String> getCapability()

** Gets the ArrayList of Types implemented in this Handler

setHeader

public void setHeader(Header header)

getHeader

public Header getHeader()

setBody

public void setBody(byte[] body)

getBody

public byte[] getBody()