io.socket.engineio.server.transport

Class Polling

java.lang.Object

io.socket.emitter.Emitter

io.socket.engineio.server.Transport

io.socket.engineio.server.transport.Polling

All Implemented Interfaces:

EventListener, javax.servlet.AsyncListener

public final class Polling
extends Transport
implements javax.servlet.AsyncListener

Polling transport.

Nested Class Summary

Nested classes/interfaces inherited from class io.socket.emitter.Emitter

io.socket.emitter.Emitter.Listener

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME

Fields inherited from class io.socket.engineio.server.Transport

mReadyState

Constructor Summary

Constructors

Constructor and Description
Polling(Object lockObject)

Method Summary

Modifier and Type	Method and Description
protected void	doClose() Transport specific logic for closing transport.
Map<String,List<String>>	getInitialHeaders() Get the headers of the initial HTTP request.
Map<String,String>	getInitialQuery() Get the query parameters of the initial HTTP request.
String	getName() Get the name of this transport.
boolean	isWritable() Checks whether the transport is currently writable.
protected void	onClose() Called by child to indicate closure of transport.
void	onComplete(javax.servlet.AsyncEvent asyncEvent)
protected void	onData(Object data) Called by child to indicate data received from remote client.
void	onError(javax.servlet.AsyncEvent asyncEvent)
void	onRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handle a client HTTP request.
void	onStartAsync(javax.servlet.AsyncEvent asyncEvent)
void	onTimeout(javax.servlet.AsyncEvent asyncEvent)
void	send(List<io.socket.engineio.parser.Packet<?>> packets) Send a list of packets over the transport.

Methods inherited from class io.socket.engineio.server.Transport

close, onError, onPacket

Methods inherited from class io.socket.emitter.Emitter

emit, hasListeners, listeners, off, off, off, on, once

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

Polling

public Polling(Object lockObject)

Method Detail

getInitialQuery

public Map<String,String> getInitialQuery()

Description copied from class: Transport

Get the query parameters of the initial HTTP request.

Specified by:

getInitialQuery in class Transport

Returns:

Query parameters of the initial HTTP request.

getInitialHeaders

public Map<String,List<String>> getInitialHeaders()

Description copied from class: Transport

Get the headers of the initial HTTP request.

Specified by:

getInitialHeaders in class Transport

Returns:

Headers of the initial HTTP request.

onRequest

public void onRequest(javax.servlet.http.HttpServletRequest request,
                      javax.servlet.http.HttpServletResponse response)
               throws IOException

Description copied from class: Transport

Handle a client HTTP request.

Specified by:

onRequest in class Transport

Parameters:

request - The HTTP request object.

response - The HTTP response object.

Throws:

IOException - On IO error.

send

public void send(List<io.socket.engineio.parser.Packet<?>> packets)

Description copied from class: Transport

Send a list of packets over the transport.

Specified by:

send in class Transport

Parameters:

packets - List of packets to send.

isWritable

public boolean isWritable()

Description copied from class: Transport

Checks whether the transport is currently writable.

Specified by:

isWritable in class Transport

Returns:

Boolean value indicating if transport can be written to.

getName

public String getName()

Description copied from class: Transport

Get the name of this transport.

Specified by:

getName in class Transport

Returns:

Name of transport.

doClose

protected void doClose()

Description copied from class: Transport

Transport specific logic for closing transport.

Specified by:

doClose in class Transport

onData

protected void onData(Object data)

Description copied from class: Transport

Called by child to indicate data received from remote client.

Overrides:

onData in class Transport

Parameters:

data - Encoded data received by transport.

onClose

protected void onClose()

Description copied from class: Transport

Called by child to indicate closure of transport.

Overrides:

onClose in class Transport

onStartAsync

public void onStartAsync(javax.servlet.AsyncEvent asyncEvent)

Specified by:

onStartAsync in interface javax.servlet.AsyncListener

onComplete

public void onComplete(javax.servlet.AsyncEvent asyncEvent)

Specified by:

onComplete in interface javax.servlet.AsyncListener

onTimeout

public void onTimeout(javax.servlet.AsyncEvent asyncEvent)

Specified by:

onTimeout in interface javax.servlet.AsyncListener

onError

public void onError(javax.servlet.AsyncEvent asyncEvent)

Specified by:

onError in interface javax.servlet.AsyncListener