ptolemy.actor.lib.jjs.modules.httpServer

Class HttpServerHelper

java.lang.Object

ptolemy.actor.lib.jjs.HelperBase

ptolemy.actor.lib.jjs.VertxHelperBase

ptolemy.actor.lib.jjs.modules.httpServer.HttpServerHelper

public class HttpServerHelper
extends VertxHelperBase

A helper class for the httpSocket module's Server object in JavaScript. Instances of this class are helpers for a server that can support multiple sockets. See the documentation of that module for instructions. This uses Vert.x for the implementation.

Since:

Ptolemy II 11.0

Version:

$Id$

Author:

Edward A. Lee amd Elizabeth Osyk

Pt.AcceptedRating:

Red (bilung)

Pt.ProposedRating:

Yellow (eal)

Nested Class Summary

Nested classes/interfaces inherited from class ptolemy.actor.lib.jjs.VertxHelperBase

VertxHelperBase.AccessorVerticle

Nested classes/interfaces inherited from class ptolemy.actor.lib.jjs.HelperBase

HelperBase.DATA_TYPE

Field Summary

Fields inherited from class ptolemy.actor.lib.jjs.VertxHelperBase

_verticle, _vertx

Fields inherited from class ptolemy.actor.lib.jjs.HelperBase

_actor, _currentObj

Method Summary

Modifier and Type	Method and Description
void	closeServer() Close the web socket server.
AWTImageToken	convertImageBody(java.lang.String body) Convert a string to an image token.
static HttpServerHelper	getOrCreateServer(java.lang.Object actor, jdk.nashorn.api.scripting.ScriptObjectMirror currentObj, java.lang.String hostInterface, int port) Create a HttpServerHelper instance to help a JavaScript HttpServer instance.
void	respond(int requestID, java.lang.String responseText, int responseCode) Respond to the request with the specified ID by sending the specified text.
void	startServer() Create and start the server and beginning listening for requests.

Methods inherited from class ptolemy.actor.lib.jjs.VertxHelperBase

_issueOrDeferResponse, _processPendingJob, _setBusy, closeVertx, getHelper, getImageTypes, reset, submit, supportedReceiveTypes, supportedSendTypes, undeploy

Methods inherited from class ptolemy.actor.lib.jjs.HelperBase

_appendNumericToBuffer, _appendToBuffer, _error, _error, _error, _error, _extractFromBuffer, _issueResponse, _removeDuplicates, _sizeOfType, _toJavaBytes, _toJSArray, getHelping

Methods inherited from class java.lang.Object

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

Method Detail

closeServer

public void closeServer()

Close the web socket server. Note that this closing happens asynchronously. The server may not be closed when this returns.

convertImageBody

public AWTImageToken convertImageBody(java.lang.String body)

Convert a string to an image token. If there is a problem then _error() is called.

Parameters:

body - The html to be converted.

Returns:

The ImageToken that is created.

getOrCreateServer

public static HttpServerHelper getOrCreateServer(java.lang.Object actor,
                                                 jdk.nashorn.api.scripting.ScriptObjectMirror currentObj,
                                                 java.lang.String hostInterface,
                                                 int port)

Create a HttpServerHelper instance to help a JavaScript HttpServer instance.

Parameters:

actor - The actor associated with this helper.

currentObj - The JavaScript HttpServer instance for which this is a helper.

hostInterface - The host interface to use, in case there the host has more than one interface (e.g. Ethernet and WiFi). This is IP address or name, and if the argument is null, then "localhost" will be used.

port - The port number that the server will use.

Returns:

A new HttpServerHelper instance.

respond

public void respond(int requestID,
                    java.lang.String responseText,
                    int responseCode)

Respond to the request with the specified ID by sending the specified text.

Parameters:

requestID - The request ID.

responseText - The text with which to respond.

responseCode - The response code

startServer

public void startServer()

Create and start the server and beginning listening for requests. When a new request is received, call the _request() function of the associated JavaScript HttpServer object.