// Below is the copyright agreement for the Ptolemy II system.
//
// Copyright (c) 2015-2016 The Regents of the University of California.
// All rights reserved.
//
// Permission is hereby granted, without written agreement and without
// license or royalty fees, to use, copy, modify, and distribute this
// software and its documentation for any purpose, provided that the above
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// of this software.
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
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// ENHANCEMENTS, OR MODIFICATIONS.
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// Ptolemy II includes the work of others, to see those copyrights, follow
// the copyright link on the splash page or see copyright.htm.
/** A service discovery function for the Javascript Nashorn engine.
*
* The long term goal is to provide a discovery process based on a defined ontology
* for a particular category of services. Right now, the list of services are known a-priori
* and specified as interfaces (e.g. GSNInterface.js) that context aware accessor can include using the
* 'implement' function.
*
* The known services are obtained via the services() function which is implemented
* by the method availableServices() in the helper class.
*
* @module contextAware
* @author Anne H. Ngu
*/
// Stop extra messages from jslint. Note that there should be no
// space between the / and the * and global.
/*globals Java, console, exports */
/*jshint globalstrict: true*/
"use strict";
var ContextAwareHelper = Java
.type('ptolemy.actor.lib.jjs.modules.contextAware.ContextAwareHelper');
var helper = new ContextAwareHelper();
////////////////////////////////////////////////////////////
////Functions provided in this module.
/**
* Use a helper class to return the list of data to be extracted from the GSN service.
*/
exports.gsnServices = function () {
return Java.from(helper.getGsnOutput());
};
/**
* Use a helper class to return the list of data to be extracted from the Firebase service.
*/
exports.firebaseServices = function () {
return Java.from(helper.getFirebaseOutput());
};
/**
* Use a helper class to return the list of data to be extracted from the Paraimpu service
*/
exports.paraimpuServices = function () {
return Java.from(helper.getParaimpuOutput());
};
/**
* Use a helper class to return a list of known REST services
*/
exports.services = function () {
return Java.from(helper.availableServices());
};
/**
* Use a helper class to convert xml data format to json data format.
*/
exports.xmlToJson = function (response) {
return Java.from(helper.convertXMLtoJSON(response));
};
exports.DiscoveryOfRESTService = DiscoveryOfRESTService;
/** A function that will take a user request and query a registry or invoke a discovery
* process to find the 'best' service that the context aware accessor can use.
* This function is not used currently.
*/
function DiscoveryOfRESTService() {
var self = this;
var serviceParam;
/** Discover IoT services */
this.discoverServices = function () {
var currentService;
currentService = helper.getSelectedService();
serviceParam = helper.getSelectedServiceParameter(currentService);
console.log("Service Param :" + serviceParam);
return serviceParam;
};
}