org.apache.mina.example.imagine.step3.server

Class ImageServerIoHandler

java.lang.Object

org.apache.mina.core.service.IoHandlerAdapter

org.apache.mina.example.imagine.step3.server.ImageServerIoHandler

All Implemented Interfaces:

IoHandler

public class ImageServerIoHandler
extends IoHandlerAdapter

server-side IoHandler

Author:

Apache MINA Project

Field Summary

Fields

Modifier and Type	Field and Description
static String	INDEX_KEY

Constructor Summary

Constructors

Constructor and Description
ImageServerIoHandler(MBeanServer mBeanServer) Creates a new instance of ImageServerIoHandler.

Method Summary

Modifier and Type	Method and Description
void	exceptionCaught(IoSession session, Throwable cause) This method will be called whenever an exception occurs.
void	messageReceived(IoSession session, Object message) Handle incoming messages.
void	sessionCreated(IoSession session) This method is called first when a new connection to the server is made.
void	sessionOpened(IoSession session) Called when the session is opened, which will come after the session created.

Methods inherited from class org.apache.mina.core.service.IoHandlerAdapter

inputClosed, messageSent, sessionClosed, sessionIdle

Methods inherited from class java.lang.Object

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

Field Detail

INDEX_KEY

public static final String INDEX_KEY

Constructor Detail

ImageServerIoHandler

public ImageServerIoHandler(MBeanServer mBeanServer)

Creates a new instance of ImageServerIoHandler. For this step, we pass in a reference to the MBeanServer. This instance will be used to register new IoSession objects so that the JMX subsystem can report statistics on the sessions.

Parameters:

mBeanServer - The JMX MBeanServer that will register the sessions

Method Detail

sessionCreated

public void sessionCreated(IoSession session)
                    throws Exception

This method is called first when a new connection to the server is made. In here we will set up the JMX session MBean.

Specified by:

sessionCreated in interface IoHandler

Overrides:

sessionCreated in class IoHandlerAdapter

Parameters:

session - The session being created

Throws:

Exception - If we get an exception while processing the create event

See Also:

IoHandlerAdapter.sessionCreated(org.apache.mina.core.session.IoSession)

sessionOpened

public void sessionOpened(IoSession session)
                   throws Exception

Called when the session is opened, which will come after the session created.

Specified by:

sessionOpened in interface IoHandler

Overrides:

sessionOpened in class IoHandlerAdapter

Parameters:

session - The session being opened

Throws:

Exception - If we get an exception while processing the open event

See Also:

IoHandlerAdapter.sessionOpened(org.apache.mina.core.session.IoSession)

exceptionCaught

public void exceptionCaught(IoSession session,
                            Throwable cause)
                     throws Exception

This method will be called whenever an exception occurs. For this handler, the logger will generate a warning message.

Specified by:

exceptionCaught in interface IoHandler

Overrides:

exceptionCaught in class IoHandlerAdapter

Parameters:

session - The session for which we have got an exception

cause - The exception that has been caught

Throws:

Exception - If we get an exception while processing the caught exception

See Also:

IoHandlerAdapter.exceptionCaught(org.apache.mina.core.session.IoSession, java.lang.Throwable)

messageReceived

public void messageReceived(IoSession session,
                            Object message)
                     throws Exception

Handle incoming messages.

Specified by:

messageReceived in interface IoHandler

Overrides:

messageReceived in class IoHandlerAdapter

Parameters:

session - The session that is receiving a message

message - The received message

Throws:

Exception - If we get an exception while processing the received message

See Also:

IoHandlerAdapter.messageReceived(org.apache.mina.core.session.IoSession, java.lang.Object)