org.glassfish.grizzly.websockets

Class SimpleWebSocket

java.lang.Object

org.glassfish.grizzly.websockets.SimpleWebSocket

All Implemented Interfaces:

WebSocket

Direct Known Subclasses:

DefaultWebSocket

public class SimpleWebSocket
extends Object
implements WebSocket

Generic WebSocket implementation. Typically used by client implementations.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	SimpleWebSocket.State

Field Summary

Fields

Modifier and Type	Field and Description
protected Broadcaster	broadcaster
protected EnumSet<SimpleWebSocket.State>	connected
protected Queue<WebSocketListener>	listeners
protected ProtocolHandler	protocolHandler
protected AtomicReference<SimpleWebSocket.State>	state

Fields inherited from interface org.glassfish.grizzly.websockets.WebSocket

ABNORMAL_CLOSE, END_POINT_GOING_DOWN, INVALID_DATA, MESSAGE_TOO_LARGE, NO_STATUS_CODE, NORMAL_CLOSURE, PROTOCOL_ERROR

Constructor Summary

Constructors

Constructor and Description
SimpleWebSocket(ProtocolHandler protocolHandler, WebSocketListener... listeners)

Method Summary

Modifier and Type	Method and Description
boolean	add(WebSocketListener listener) Adds a WebSocketListener to be notified of events of interest.
void	broadcast(Iterable<? extends WebSocket> recipients, byte[] data) Broadcasts the data to the remote end-point set.
void	broadcast(Iterable<? extends WebSocket> recipients, String data) Broadcasts the data to the remote end-point set.
void	broadcastFragment(Iterable<? extends WebSocket> recipients, byte[] data, boolean last) Broadcasts the data fragment to the remote end-point set.
void	broadcastFragment(Iterable<? extends WebSocket> recipients, String data, boolean last) Broadcasts the data fragment to the remote end-point set.
void	close() Closes this WebSocket.
void	close(int code) Closes this WebSocket using the specified status code.
void	close(int code, String reason) Closes this WebSocket using the specified status code and reason.
protected Broadcaster	getBroadcaster()
Collection<WebSocketListener>	getListeners()
boolean	isConnected() Convenience method to determine if this WebSocket is connected.
void	onClose(DataFrame frame) This callback will be invoked when the remote end-point sent a closing frame.
void	onConnect() This callback will be invoked when the opening handshake between both endpoints has been completed.
void	onFragment(boolean last, byte[] fragment) This callback will be invoked when a fragmented binary message has been received.
void	onFragment(boolean last, String fragment) This callback will be invoked when a fragmented textual message has been received.
void	onMessage(byte[] data) This callback will be invoked when a binary message has been received.
void	onMessage(String text) This callback will be invoked when a text message has been received.
void	onPing(DataFrame frame) This callback will be invoked when the remote end-point has sent a ping frame.
void	onPong(DataFrame frame) This callback will be invoked when the remote end-point has sent a pong frame.
boolean	remove(WebSocketListener listener) Removes the specified WebSocketListener as a target of event notification.
org.glassfish.grizzly.GrizzlyFuture<DataFrame>	send(byte[] data) Send a binary frame to the remote end-point.
org.glassfish.grizzly.GrizzlyFuture<DataFrame>	send(String data) Send a text frame to the remote end-point.
org.glassfish.grizzly.GrizzlyFuture<DataFrame>	sendPing(byte[] data) Sends a ping frame with the specified payload (if any).
org.glassfish.grizzly.GrizzlyFuture<DataFrame>	sendPong(byte[] data) Sends a ping frame with the specified payload (if any).
protected void	sendRaw(byte[] rawData)
protected void	setBroadcaster(Broadcaster broadcaster)
void	setClosed()
org.glassfish.grizzly.GrizzlyFuture<DataFrame>	stream(boolean last, byte[] bytes, int off, int len) Sends a fragment of a complete message.
org.glassfish.grizzly.GrizzlyFuture<DataFrame>	stream(boolean last, String fragment) Sends a fragment of a complete message.
protected byte[]	toRawData(byte[] binary)
protected byte[]	toRawData(byte[] binary, boolean last)
protected byte[]	toRawData(String text)
protected byte[]	toRawData(String fragment, boolean last)

Methods inherited from class java.lang.Object

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

Field Detail

listeners

protected final Queue<WebSocketListener> listeners

protocolHandler

protected final ProtocolHandler protocolHandler

broadcaster

protected Broadcaster broadcaster

connected

protected final EnumSet<SimpleWebSocket.State> connected

state

protected final AtomicReference<SimpleWebSocket.State> state

Constructor Detail

SimpleWebSocket

public SimpleWebSocket(ProtocolHandler protocolHandler,
                       WebSocketListener... listeners)

Method Detail

getListeners

public Collection<WebSocketListener> getListeners()

add

public final boolean add(WebSocketListener listener)

Description copied from interface: WebSocket

Adds a WebSocketListener to be notified of events of interest.

Specified by:

add in interface WebSocket

Parameters:

listener - the WebSocketListener to add.

Returns:

true if the listener was added, otherwise false

See Also:

WebSocketListener

remove

public final boolean remove(WebSocketListener listener)

Description copied from interface: WebSocket

Removes the specified WebSocketListener as a target of event notification.

Specified by:

remove in interface WebSocket

Parameters:

listener - the WebSocketListener to remote.

Returns:

true if the listener was removed, otherwise false

See Also:

WebSocketListener

isConnected

public boolean isConnected()

Description copied from interface: WebSocket

Convenience method to determine if this WebSocket is connected.

Specified by:

isConnected in interface WebSocket

Returns:

true if the WebSocket is connected, otherwise false

setClosed

public void setClosed()

onClose

public void onClose(DataFrame frame)

Description copied from interface: WebSocket

This callback will be invoked when the remote end-point sent a closing frame.

Specified by:

onClose in interface WebSocket

Parameters:

frame - the close frame from the remote end-point.

See Also:

DataFrame

onConnect

public void onConnect()

Description copied from interface: WebSocket

This callback will be invoked when the opening handshake between both endpoints has been completed.

Specified by:

onConnect in interface WebSocket

onFragment

public void onFragment(boolean last,
                       byte[] fragment)

Description copied from interface: WebSocket

This callback will be invoked when a fragmented binary message has been received.

Specified by:

onFragment in interface WebSocket

Parameters:

last - flag indicating whether or not the payload received is the final fragment of a message.

fragment - the binary data received from the remote end-point.

onFragment

public void onFragment(boolean last,
                       String fragment)

Description copied from interface: WebSocket

This callback will be invoked when a fragmented textual message has been received.

Specified by:

onFragment in interface WebSocket

Parameters:

last - flag indicating whether or not the payload received is the final fragment of a message.

fragment - the text received from the remote end-point.

onMessage

public void onMessage(byte[] data)

Description copied from interface: WebSocket

This callback will be invoked when a binary message has been received.

Specified by:

onMessage in interface WebSocket

Parameters:

data - the binary data received from the remote end-point.

onMessage

public void onMessage(String text)

Description copied from interface: WebSocket

This callback will be invoked when a text message has been received.

Specified by:

onMessage in interface WebSocket

Parameters:

text - the text received from the remote end-point.

onPing

public void onPing(DataFrame frame)

Description copied from interface: WebSocket

This callback will be invoked when the remote end-point has sent a ping frame.

Specified by:

onPing in interface WebSocket

Parameters:

frame - the ping frame from the remote end-point.

See Also:

DataFrame

onPong

public void onPong(DataFrame frame)

Description copied from interface: WebSocket

This callback will be invoked when the remote end-point has sent a pong frame.

Specified by:

onPong in interface WebSocket

Parameters:

frame - the pong frame from the remote end-point.

See Also:

DataFrame

close

public void close()

Description copied from interface: WebSocket

Closes this WebSocket.

Specified by:

close in interface WebSocket

close

public void close(int code)

Description copied from interface: WebSocket

Closes this WebSocket using the specified status code.

Specified by:

close in interface WebSocket

Parameters:

code - the closing status code.

close

public void close(int code,
                  String reason)

Description copied from interface: WebSocket

Closes this WebSocket using the specified status code and reason.

Specified by:

close in interface WebSocket

Parameters:

code - the closing status code.

reason - the reason, if any.

send

public org.glassfish.grizzly.GrizzlyFuture<DataFrame> send(byte[] data)

Description copied from interface: WebSocket

Send a binary frame to the remote end-point.

Specified by:

send in interface WebSocket

Returns:

GrizzlyFuture which could be used to control/check the sending completion state.

send

public org.glassfish.grizzly.GrizzlyFuture<DataFrame> send(String data)

Description copied from interface: WebSocket

Send a text frame to the remote end-point.

Specified by:

send in interface WebSocket

Returns:

GrizzlyFuture which could be used to control/check the sending completion state.

broadcast

public void broadcast(Iterable<? extends WebSocket> recipients,
                      String data)

Description copied from interface: WebSocket

Broadcasts the data to the remote end-point set.

Specified by:

broadcast in interface WebSocket

broadcast

public void broadcast(Iterable<? extends WebSocket> recipients,
                      byte[] data)

Description copied from interface: WebSocket

Broadcasts the data to the remote end-point set.

Specified by:

broadcast in interface WebSocket

broadcastFragment

public void broadcastFragment(Iterable<? extends WebSocket> recipients,
                              String data,
                              boolean last)

Description copied from interface: WebSocket

Broadcasts the data fragment to the remote end-point set.

Specified by:

broadcastFragment in interface WebSocket

broadcastFragment

public void broadcastFragment(Iterable<? extends WebSocket> recipients,
                              byte[] data,
                              boolean last)

Description copied from interface: WebSocket

Broadcasts the data fragment to the remote end-point set.

Specified by:

broadcastFragment in interface WebSocket

sendPing

public org.glassfish.grizzly.GrizzlyFuture<DataFrame> sendPing(byte[] data)

Sends a ping frame with the specified payload (if any).

Specified by:

sendPing in interface WebSocket

Parameters:

data - optional payload. Note that payload length is restricted to 125 bytes or less.

Returns:

GrizzlyFuture which could be used to control/check the sending completion state.

sendPong

public org.glassfish.grizzly.GrizzlyFuture<DataFrame> sendPong(byte[] data)

Sends a ping frame with the specified payload (if any).

It may seem odd to send a pong frame, however, RFC-6455 states:

"A Pong frame MAY be sent unsolicited. This serves as a unidirectional heartbeat. A response to an unsolicited Pong frame is not expected."

Specified by:

sendPong in interface WebSocket

Parameters:

data - optional payload. Note that payload length is restricted to 125 bytes or less.

Returns:

GrizzlyFuture which could be used to control/check the sending completion state.

stream

public org.glassfish.grizzly.GrizzlyFuture<DataFrame> stream(boolean last,
                                                             String fragment)

Description copied from interface: WebSocket

Sends a fragment of a complete message.

Specified by:

stream in interface WebSocket

Parameters:

last - boolean indicating if this message fragment is the last.

fragment - the textual fragment to send.

Returns:

GrizzlyFuture which could be used to control/check the sending completion state.

stream

public org.glassfish.grizzly.GrizzlyFuture<DataFrame> stream(boolean last,
                                                             byte[] bytes,
                                                             int off,
                                                             int len)

Description copied from interface: WebSocket

Sends a fragment of a complete message.

Specified by:

stream in interface WebSocket

Parameters:

last - boolean indicating if this message fragment is the last.

bytes - the binary fragment to send.

off - the offset within the fragment to send.

len - the number of bytes of the fragment to send.

Returns:

GrizzlyFuture which could be used to control/check the sending completion state.

toRawData

protected byte[] toRawData(String text)

toRawData

protected byte[] toRawData(byte[] binary)

toRawData

protected byte[] toRawData(String fragment,
                           boolean last)

toRawData

protected byte[] toRawData(byte[] binary,
                           boolean last)

sendRaw

protected void sendRaw(byte[] rawData)

getBroadcaster

protected Broadcaster getBroadcaster()

setBroadcaster

protected void setBroadcaster(Broadcaster broadcaster)