Package org.springframework.web.socket.adapter.standard

Class StandardWebSocketSession

java.lang.Object

org.springframework.web.socket.adapter.AbstractWebSocketSession<Session>

org.springframework.web.socket.adapter.standard.StandardWebSocketSession

All Implemented Interfaces:

Closeable, AutoCloseable, NativeWebSocketSession, WebSocketSession

public class StandardWebSocketSession
extends AbstractWebSocketSession<Session>

A WebSocketSession for use with the standard WebSocket for Java API.

Since:

4.0

Author:

Rossen Stoyanchev

Field Summary

Fields inherited from class org.springframework.web.socket.adapter.AbstractWebSocketSession

idGenerator, logger

Constructor Summary

Constructors

Constructor	Description
StandardWebSocketSession(HttpHeaders headers, Map<String,Object> attributes, InetSocketAddress localAddress, InetSocketAddress remoteAddress)	Constructor for a standard WebSocket session.
StandardWebSocketSession(HttpHeaders headers, Map<String,Object> attributes, InetSocketAddress localAddress, InetSocketAddress remoteAddress, Principal user)	Constructor that associates a user with the WebSocket session.

Method Summary

Modifier and Type	Method	Description
protected void	closeInternal(CloseStatus status)
String	getAcceptedProtocol()	Return the negotiated sub-protocol.
int	getBinaryMessageSizeLimit()	Get the configured maximum size for an incoming binary message.
List<WebSocketExtension>	getExtensions()	Determine the negotiated extensions.
HttpHeaders	getHandshakeHeaders()	Return the headers used in the handshake request (never null).
String	getId()	Return a unique session identifier.
InetSocketAddress	getLocalAddress()	Return the address on which the request was received.
Principal	getPrincipal()	Return a Principal instance containing the name of the authenticated user.
InetSocketAddress	getRemoteAddress()	Return the address of the remote client.
int	getTextMessageSizeLimit()	Get the configured maximum size for an incoming text message.
URI	getUri()	Return the URI used to open the WebSocket connection.
void	initializeNativeSession(Session session)
boolean	isOpen()	Whether the underlying connection is open.
protected void	sendBinaryMessage(BinaryMessage message)
protected void	sendPingMessage(PingMessage message)
protected void	sendPongMessage(PongMessage message)
protected void	sendTextMessage(TextMessage message)
void	setBinaryMessageSizeLimit(int messageSizeLimit)	Configure the maximum size for an incoming binary message.
void	setTextMessageSizeLimit(int messageSizeLimit)	Configure the maximum size for an incoming text message.

Methods inherited from class org.springframework.web.socket.adapter.AbstractWebSocketSession

checkNativeSessionInitialized, close, close, getAttributes, getNativeSession, getNativeSession, sendMessage, toString

Methods inherited from class java.lang.Object

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

Constructor Details

StandardWebSocketSession

public StandardWebSocketSession(@Nullable
 HttpHeaders headers,
 @Nullable
 Map<String,Object> attributes,
 @Nullable
 InetSocketAddress localAddress,
 @Nullable
 InetSocketAddress remoteAddress)

Constructor for a standard WebSocket session.

Parameters:

headers - the headers of the handshake request

attributes - the attributes from the HTTP handshake to associate with the WebSocket session; the provided attributes are copied, the original map is not used.

localAddress - the address on which the request was received

remoteAddress - the address of the remote client

StandardWebSocketSession

public StandardWebSocketSession(@Nullable
 HttpHeaders headers,
 @Nullable
 Map<String,Object> attributes,
 @Nullable
 InetSocketAddress localAddress,
 @Nullable
 InetSocketAddress remoteAddress,
 @Nullable
 Principal user)

Constructor that associates a user with the WebSocket session.

Parameters:

headers - the headers of the handshake request

attributes - the attributes from the HTTP handshake to associate with the WebSocket session

localAddress - the address on which the request was received

remoteAddress - the address of the remote client

user - the user associated with the session; if null we'll fall back on the user available in the underlying WebSocket session

Method Details

getId

public String getId()

Description copied from interface: WebSocketSession

Return a unique session identifier.

getUri

@Nullable
public URI getUri()

Description copied from interface: WebSocketSession

Return the URI used to open the WebSocket connection.

getHandshakeHeaders

public HttpHeaders getHandshakeHeaders()

Description copied from interface: WebSocketSession

Return the headers used in the handshake request (never null).

getAcceptedProtocol

@Nullable
public String getAcceptedProtocol()

Description copied from interface: WebSocketSession

Return the negotiated sub-protocol.

Returns:

the protocol identifier, or null if no protocol was specified or negotiated successfully

getExtensions

public List<WebSocketExtension> getExtensions()

Description copied from interface: WebSocketSession

Determine the negotiated extensions.

Returns:

the list of extensions, or an empty list if no extension was specified or negotiated successfully

getPrincipal

@Nullable
public Principal getPrincipal()

Description copied from interface: WebSocketSession

Return a Principal instance containing the name of the authenticated user.

If the user has not been authenticated, the method returns null.

getLocalAddress

@Nullable
public InetSocketAddress getLocalAddress()

Description copied from interface: WebSocketSession

Return the address on which the request was received.

getRemoteAddress

@Nullable
public InetSocketAddress getRemoteAddress()

Description copied from interface: WebSocketSession

Return the address of the remote client.

setTextMessageSizeLimit

public void setTextMessageSizeLimit(int messageSizeLimit)

Description copied from interface: WebSocketSession

Configure the maximum size for an incoming text message.

getTextMessageSizeLimit

public int getTextMessageSizeLimit()

Description copied from interface: WebSocketSession

Get the configured maximum size for an incoming text message.

setBinaryMessageSizeLimit

public void setBinaryMessageSizeLimit(int messageSizeLimit)

Description copied from interface: WebSocketSession

Configure the maximum size for an incoming binary message.

getBinaryMessageSizeLimit

public int getBinaryMessageSizeLimit()

Description copied from interface: WebSocketSession

Get the configured maximum size for an incoming binary message.

isOpen

public boolean isOpen()

Description copied from interface: WebSocketSession

Whether the underlying connection is open.

initializeNativeSession

public void initializeNativeSession(Session session)

Overrides:

initializeNativeSession in class AbstractWebSocketSession<Session>

sendTextMessage

protected void sendTextMessage(TextMessage message)
                        throws IOException

Specified by:

sendTextMessage in class AbstractWebSocketSession<Session>

Throws:

IOException

sendBinaryMessage

protected void sendBinaryMessage(BinaryMessage message)
                          throws IOException

Specified by:

sendBinaryMessage in class AbstractWebSocketSession<Session>

Throws:

IOException

sendPingMessage

protected void sendPingMessage(PingMessage message)
                        throws IOException

Specified by:

sendPingMessage in class AbstractWebSocketSession<Session>

Throws:

IOException

sendPongMessage

protected void sendPongMessage(PongMessage message)
                        throws IOException

Specified by:

sendPongMessage in class AbstractWebSocketSession<Session>

Throws:

IOException

closeInternal

protected void closeInternal(CloseStatus status)
                      throws IOException

Specified by:

closeInternal in class AbstractWebSocketSession<Session>

Throws:

IOException