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/**
* @classdesc
* Standard WPS
*
* @constructor
* @alias Gp.Formats.WPS
* @param {Object} options - options
* @param {Object} options.data - objet
* @param {String} options.method - POST|GET
* @param {String} options.param.service - "WPS"
* @param {String} options.param.version - "1.0.0"
* @param {String} options.param.identifier - "gs:WPSElevation|gs:WPSLineElevation"
* @param {String} options.param.rawdataoutput - "result"
* @param {String} options.param.request - "Execute"
* @param {Function} options.onsuccess - function callback success (TODO)
* @param {Function} options.onerror - function callback error (TODO)
* @private
*/
function WPS (options) {
this.logger = Logger.getLogger();
this.logger.trace("[Constructeur WPS()]");
Iif (!(this instanceof WPS)) {
throw new TypeError("WPS constructor cannot be called as a function.");
}
this.options = options || {};
/**
* Objet DATA
*/
this.DataObject = this.options.data;
Iif (!this.DataObject) {
throw new TypeError("This data object is not defined !");
}
/**
* param service.
* Par defaut, "WPS".
*/
this.paramservice = this.options.param.service || "WPS";
/**
* param version.
* Par defaut, "1.0.0".
*/
this.paramversion = this.options.param.version || "1.0.0";
/**
* param identifier
* Par defaut, "gs:WPS"
*/
this.paramidentifier = this.options.param.identifier || "gs:WPS";
/**
* param rawdataoutput
* Par defaut, "result".
*/
this.paramrawdataoutput = this.options.param.rawdataoutput || "result";
/**
* param request
* Par defaut, "Execute".
*/
this.paramrequest = this.options.param.request || "Execute";
/**
* methode.
* Par defaut, "GET".
*/
this.method = this.options.method || "GET";
}
WPS.prototype = {
/**
* @lends module:WPS#
*/
/**
* request
* @type {String}
*/
requestString : null,
/**
* Constructeur (alias)
*/
constructor : WPS,
/**
* Template de la requête.
*/
template : {
get : {
value : "service=__SERVICE__" +
"&version=__VERSION__" +
"&rawdataoutput=__RAWDATAOUTPUT__" +
"&identifier=__IDENTIFIER__" +
"&request=__REQUEST__" +
"&datainputs=<!-- __DATAINPUTS__ -->",
input : "__KEY__=__DATA__"
},
post : {
value : "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
"<wps:__REQUEST__ version=\"__VERSION__\" service=\"__SERVICE__\" " +
"__NAMESPACE__ __SCHEMALOCATION__>" +
"<ows:Identifier>__IDENTIFIER__</ows:Identifier>" +
"<wps:DataInputs>" +
"<!-- __DATAINPUTS__ -->" +
"</wps:DataInputs>" +
"<wps:ResponseForm>" +
"<wps:RawDataOutput>" +
"<ows:Identifier>__RAWDATAOUTPUT__</ows:Identifier>" +
"</wps:RawDataOutput>" +
"</wps:ResponseForm>" +
"</wps:__REQUEST__>",
input : "<wps:Input>" +
"<ows:Identifier>__KEY__</ows:Identifier>" +
"<wps:Data>" +
"<wps:LiteralData>__DATA__</wps:LiteralData>" +
"</wps:Data>" +
"</wps:Input>"
}
},
/**
* Namespace par defaut de la requete POST.
*
* @returns {String} namespace
*/
namespaceByDefault : function () {
var ns = [
"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"",
"xmlns=\"http://www.opengis.net/wps/1.0.0\"",
"xmlns:wfs=\"http://www.opengis.net/wfs\"",
"xmlns:wps=\"http://www.opengis.net/wps/1.0.0\"",
"xmlns:ows=\"http://www.opengis.net/ows/1.1\"",
"xmlns:gml=\"http://www.opengis.net/gml\"",
"xmlns:ogc=\"http://www.opengis.net/ogc\"",
"xmlns:wcs=\"http://www.opengis.net/wcs/1.1.1\"",
"xmlns:xlink=\"http://www.w3.org/1999/xlink\""
];
return ns.join(" ");
},
/**
* Schemalocation par defaut.
*
* @returns {String} schemaLocation
*/
schemaLocationByDefault : function () {
return "xsi:schemaLocation=\"http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsAll.xsd\"";
},
/**
* Construction de la requête.
*
* @example
* // GET out :
* // service=__SERVICE__
* // &version=__VERSION__
* // &rawdataoutput=__RAWDATAOUTPUT__
* // &identifier=__IDENTIFIER__
* // &request=__REQUEST__
* // &datainputs="__DATAINPUTS__"
* // avec __DATAINPUTS__ = __KEY__=__DATA__;...
*
* // POST out :
* // <?xml version=\"1.0\" encoding=\"UTF-8\"?>
* // <wps:__REQUEST__ version=\"__VERSION__\" service=\"__SERVICE__\"
* // __NAMESPACE__ __SCHEMALOCATION__>
* // <ows:Identifier>__IDENTIFIER__</ows:Identifier>
* // <wps:DataInputs>
* // <!-- __DATAINPUTS__ -->
* // </wps:DataInputs>
* // <wps:ResponseForm>
* // <wps:RawDataOutput>
* // <ows:Identifier>__RAWDATAOUTPUT__</ows:Identifier>
* // </wps:RawDataOutput>
* // </wps:ResponseForm>
* // </wps:__REQUEST__>",
* // avec __DATAINPUTS__
* // <wps:Input>
* // <ows:Identifier>__KEY__</ows:Identifier>
* // <wps:Data>
* // <wps:LiteralData>__DATA__</wps:LiteralData>
* // </wps:Data>
* // </wps:Input>
*
* @returns {Boolean} validation de la construction de la requete
*/
processRequestString : function () {
this.logger.trace("WPS::processRequestString ()");
var template = "";
if (this.method === "POST") {
template = this.template.post.value;
} else Eif (this.method === "GET") {
template = this.template.get.value;
} else {
this.logger.error("No other method supported by the service !");
return false;
}
template = template.replace(/__SERVICE__/g, this.paramservice);
template = template.replace(/__VERSION__/g, this.paramversion);
template = template.replace(/__RAWDATAOUTPUT__/g, this.paramrawdataoutput);
template = template.replace(/__IDENTIFIER__/g, this.paramidentifier);
template = template.replace(/__REQUEST__/g, this.paramrequest);
// ajout +
if (this.method === "POST") {
template = template.replace(/__NAMESPACE__/g, this.namespaceByDefault);
template = template.replace(/__SCHEMALOCATION__/g, this.schemaLocationByDefault);
}
// ajout des datainputs
template = template.replace(/<!-- __DATAINPUTS__ -->/g, this.__addDataInputs());
Iif (!template) {
this.logger.warn("traduction tmpl : empty request !?");
return false;
}
this.requestString = template;
this.logger.trace("traduction tmpl", template);
return true;
},
/**
* Ajout des données
*
* @returns {String} Données concaténées dans une chaine
*/
__addDataInputs : function () {
this.logger.trace("WPS::__addDataInputs ()");
// c'est un peu grossier...
var tmpl = this.method === "GET" ? this.template.get.input : this.template.post.input;
var sep = this.method === "GET" ? ";" : "";
var result = "";
var that = this;
var map = this.DataObject.getData();
for (var i = 0; i < map.length; i++) {
// FIXME closure ?
(function (j) {
if (sep) {
sep = (j === map.length - 1) ? "" : ";";
}
result = result.concat(that.__addDataInput(tmpl, map[j].k, map[j].v), sep);
})(i);
}
return result;
},
/**
* Ajout d'une donnée.
*
* @param {String} tmpl - template
* @param {String} key - clef
* @param {String} data - valeur
* @returns {String} chaine avec les substitutions clef/valeur
*/
__addDataInput : function (tmpl, key, data) {
var tmp = tmpl;
tmp = tmp.replace(/__KEY__/g, key);
tmp = tmp.replace(/__DATA__/g, data);
return tmp;
},
/**
* Definir le mode de requête
*
* @param {String} method - GET|POST
*/
setMethod : function (method) {
if (method === "GET" || method === "POST") {
this.method = method;
} else {
this.logger.warn("support only GET and POST method !");
}
},
/**
* Retourne le mode de requete (GET|POST).
*
* @returns {AltiRequest.options.mode|String} methode (GET|POST)
*/
getMethod : function () {
return this.method;
}
};
export default WPS;
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