Package org.springframework.web.socket.sockjs.transport.session

Class PollingSockJsSession

java.lang.Object

org.springframework.web.socket.sockjs.transport.session.AbstractSockJsSession

org.springframework.web.socket.sockjs.transport.session.AbstractHttpSockJsSession

org.springframework.web.socket.sockjs.transport.session.PollingSockJsSession

All Implemented Interfaces:

Closeable, AutoCloseable, SockJsSession, WebSocketSession

public class PollingSockJsSession
extends AbstractHttpSockJsSession

A SockJS session for use with polling HTTP transports.

Since:

4.0

Author:

Rossen Stoyanchev

Field Summary

Fields inherited from class org.springframework.web.socket.sockjs.transport.session.AbstractSockJsSession

DISCONNECTED_CLIENT_LOG_CATEGORY, logger, responseLock

Constructor Summary

Constructors

Constructor	Description
PollingSockJsSession(String sessionId, SockJsServiceConfig config, WebSocketHandler wsHandler, Map<String,Object> attributes)

Method Summary

Modifier and Type	Method	Description
protected void	flushCache()	Called when the connection is active and ready to write to the response.
protected void	handleRequestInternal(ServerHttpRequest request, ServerHttpResponse response, boolean initialRequest)	Invoked when a SockJS transport request is received.
protected void	writeFrame(SockJsFrame frame)	For internal use within a TransportHandler and the (TransportHandler-specific) session class.

Methods inherited from class org.springframework.web.socket.sockjs.transport.session.AbstractHttpSockJsSession

disconnect, getAcceptedProtocol, getBinaryMessageSizeLimit, getExtensions, getHandshakeHeaders, getLocalAddress, getMessageCache, getPrincipal, getRemoteAddress, getTextMessageSizeLimit, getUri, handleInitialRequest, handleSuccessiveRequest, isActive, resetRequest, sendMessageInternal, setAcceptedProtocol, setBinaryMessageSizeLimit, setTextMessageSizeLimit, writeFrameInternal

Methods inherited from class org.springframework.web.socket.sockjs.transport.session.AbstractSockJsSession

cancelHeartbeat, close, close, delegateConnectionClosed, delegateConnectionEstablished, delegateError, delegateMessages, disableHeartbeat, getAttributes, getId, getMessageCodec, getSockJsServiceConfig, getTimeSinceLastActive, isClosed, isNew, isOpen, scheduleHeartbeat, sendHeartbeat, sendMessage, toString, tryCloseWithSockJsTransportError, updateLastActiveTime

Methods inherited from class java.lang.Object

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

Constructor Details

PollingSockJsSession

public PollingSockJsSession(String sessionId,
 SockJsServiceConfig config,
 WebSocketHandler wsHandler,
 Map<String,Object> attributes)

Method Details

handleRequestInternal

protected void handleRequestInternal(ServerHttpRequest request,
 ServerHttpResponse response,
 boolean initialRequest)
                              throws IOException

Description copied from class: AbstractHttpSockJsSession

Invoked when a SockJS transport request is received.

Specified by:

handleRequestInternal in class AbstractHttpSockJsSession

Parameters:

request - the current request

response - the current response

initialRequest - whether it is the first request for the session

Throws:

IOException

flushCache

protected void flushCache()
                   throws SockJsTransportFailureException

Description copied from class: AbstractHttpSockJsSession

Called when the connection is active and ready to write to the response. Subclasses should only call this method from a method where the "responseLock" is acquired.

Specified by:

flushCache in class AbstractHttpSockJsSession

Throws:

SockJsTransportFailureException

writeFrame

protected void writeFrame(SockJsFrame frame)
                   throws SockJsTransportFailureException

Description copied from class: AbstractSockJsSession

For internal use within a TransportHandler and the (TransportHandler-specific) session class.

Overrides:

writeFrame in class AbstractSockJsSession

Throws:

SockJsTransportFailureException