org.cometd.server.transport

Class JSONPTransport

java.lang.Object

org.cometd.common.AbstractTransport

org.cometd.server.AbstractServerTransport

org.cometd.server.transport.HttpTransport

org.cometd.server.transport.LongPollingTransport

org.cometd.server.transport.JSONPTransport

All Implemented Interfaces:

ServerTransport, Transport

public class JSONPTransport
extends LongPollingTransport

Nested Class Summary

Nested classes/interfaces inherited from class org.cometd.server.AbstractServerTransport

AbstractServerTransport.OneTimeScheduler, AbstractServerTransport.Scheduler

Field Summary

Fields

Modifier and Type	Field and Description
static String	CALLBACK_PARAMETER_OPTION
static String	MIME_TYPE_OPTION
static String	NAME
static String	PREFIX

Fields inherited from class org.cometd.server.transport.LongPollingTransport

ALLOW_MULTI_SESSIONS_NO_BROWSER_OPTION, AUTOBATCH_OPTION, BROWSER_ID_OPTION, MAX_SESSIONS_PER_BROWSER_OPTION, MULTI_SESSION_INTERVAL_OPTION

Fields inherited from class org.cometd.server.transport.HttpTransport

JSON_DEBUG_OPTION, MESSAGE_PARAM

Fields inherited from class org.cometd.server.AbstractServerTransport

INTERVAL_OPTION, MAX_INTERVAL_OPTION, MAX_LAZY_TIMEOUT_OPTION, MAX_QUEUE_OPTION, META_CONNECT_DELIVERY_OPTION, RANDOMIZE_LAZY_TIMEOUT_OPTION, TIMEOUT_OPTION

Constructor Summary

Constructors

Constructor and Description
JSONPTransport(BayeuxServerImpl bayeux)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	accept(javax.servlet.http.HttpServletRequest request)
protected void	finishWrite(PrintWriter writer, ServerSessionImpl session)
String	getCallbackParameter()
protected void	init() Initialise the transport, resolving default and direct options.
protected boolean	isAlwaysFlushingAfterHandle()
protected ServerMessage.Mutable[]	parseMessages(javax.servlet.http.HttpServletRequest request)
protected PrintWriter	writeMessage(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, PrintWriter writer, ServerSessionImpl session, ServerMessage message)

Methods inherited from class org.cometd.server.transport.LongPollingTransport

bayeuxServerHandle, decBrowserId, findBrowserId, handle, handleJSONParseException, incBrowserId, metaConnectResumed, metaConnectSuspended, parseMessages, setBrowserId, sweep

Methods inherited from class org.cometd.server.transport.HttpTransport

getContext, getCurrentRequest, setCurrentRequest

Methods inherited from class org.cometd.server.AbstractServerTransport

debug, destroy, getAdvice, getBayeux, getInterval, getMaxInterval, getMaxLazyTimeout, getTimeout, isMetaConnectDeliveryOnly, parseMessages, parseMessages, setAdvice, setInterval, setMaxInterval, setMaxLazyTimeout, setMetaConnectDeliveryOnly, setTimeout

Methods inherited from class org.cometd.common.AbstractTransport

getName, getOption, getOption, getOption, getOption, getOption, getOptionNames, getOptionPrefix, setOption, setOptionPrefix

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.cometd.bayeux.Transport

getName, getOption, getOptionNames, getOptionPrefix

Field Detail

PREFIX

public static final String PREFIX

See Also:

Constant Field Values

NAME

public static final String NAME

See Also:

Constant Field Values

MIME_TYPE_OPTION

public static final String MIME_TYPE_OPTION

See Also:

Constant Field Values

CALLBACK_PARAMETER_OPTION

public static final String CALLBACK_PARAMETER_OPTION

See Also:

Constant Field Values

Constructor Detail

JSONPTransport

public JSONPTransport(BayeuxServerImpl bayeux)

Method Detail

isAlwaysFlushingAfterHandle

protected boolean isAlwaysFlushingAfterHandle()

Specified by:

isAlwaysFlushingAfterHandle in class LongPollingTransport

Returns:

true if the transport always flushes at the end of a call to LongPollingTransport.handle(HttpServletRequest, HttpServletResponse).

See Also:

LongPollingTransport.isAlwaysFlushingAfterHandle()

init

protected void init()

Description copied from class: AbstractServerTransport

Initialise the transport, resolving default and direct options.

Overrides:

init in class LongPollingTransport

See Also:

JSONTransport.init()

accept

public boolean accept(javax.servlet.http.HttpServletRequest request)

Specified by:

accept in class HttpTransport

parseMessages

protected ServerMessage.Mutable[] parseMessages(javax.servlet.http.HttpServletRequest request)
                                         throws IOException,
                                                ParseException

Specified by:

parseMessages in class LongPollingTransport

Throws:

IOException

ParseException

getCallbackParameter

public String getCallbackParameter()

writeMessage

protected PrintWriter writeMessage(javax.servlet.http.HttpServletRequest request,
                       javax.servlet.http.HttpServletResponse response,
                       PrintWriter writer,
                       ServerSessionImpl session,
                       ServerMessage message)
                            throws IOException

Specified by:

writeMessage in class LongPollingTransport

Throws:

IOException

finishWrite

protected void finishWrite(PrintWriter writer,
               ServerSessionImpl session)
                    throws IOException

Specified by:

finishWrite in class LongPollingTransport

Throws:

IOException