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import Logger from "../../../Utils/LoggerByDefault";
import _ from "../../../Utils/MessagesResources";
import AltiElevationRequest from "./model/AltiElevationRequest";
import AltiProfilRequest from "./model/AltiProfilRequest";
/**
* @classdesc
* Classe de gestion des requêtes de type REST sur le service altimetrique.
*
* @todo Le service Alti n'implemente pas le POST !?
* @constructor
* @alias Gp.Services.Alti.Request.AltiRequestREST
* @param {Object} options - options
* @param {Object} options.param.positions - tableau de coordonnées lon/lat
* @param {String} options.param.delimiter - '|'
* @param {Boolean} options.param.indent - false|true
* @param {String} options.param.crs - 'CRS:84'
* @param {String} options.param.sampling - 3
* @param {String} options.param.resource - 'rge_alti_corse2a_float32_zip_lamb93'
* @param {Boolean} options.param.zonly - false|true
* @param {Boolean} options.param.measures - false|true
* @param {String} options.param.format - "JSON|XML"
* @param {String} options.type - "Profil|Elevation"
* @param {String} options.method - GET|POST
*
* @example
* var options = {
* type : 'Profil', // Elevation
* method : 'GET', // par defaut
* param : {
* positions : [
* {lon:'1.11', lat:'1.11'},
* {lon:'1.10', lat:'1.10'},
* {lon:'1.12', lat:'1.12'}
* ],
* delimiter : ";", // par defaut
* indent : true, // par defaut
* crs : 'EPSG:4326', // par defaut
* format : 'json', // par defaut (only to POST)
* sampling : 3 , // par defaut (only use by Profil)
* zonly : false // par defaut (only use by Elevation)
* measures : false // par defaut (only use by Elevation)
* }
* };
*
* var result;
* try {
* var obj = new AltiRequestREST (options);
* if (! obj.processRequestString ()) {
* throw new Error("Request empty !?")
* }
* result = obj.requestString;
* } catch (e) {
* // exceptions...
* }
* @private
*/
function AltiRequestREST (options) {
this.logger = Logger.getLogger("AltiRequestREST");
this.logger.trace("[Constructeur AltiRequestREST ()]");
Iif (!(this instanceof AltiRequestREST)) {
throw new TypeError("AltiRequestREST constructor cannot be called as a function.");
}
this.options = options || {};
// existance des options
Iif (!this.options) {
throw new Error(_.getMessage("PARAM_EMPTY", "options"));
}
// type de requete : Altitude ou Profil
// (param. à determiner en fonction des parametres d'entrée)
Iif (!this.options.type) {
throw new Error(_.getMessage("PARAM_EMPTY", "type (Elevation or Profil)"));
}
// construction du modele de requête
// (test du type d'objet candidat)
this.DataObject = null;
switch (this.options.type) {
case "Elevation":
this.DataObject = new AltiElevationRequest(this.options.param);
break;
case "Profil":
this.DataObject = new AltiProfilRequest(this.options.param);
break;
default:
throw new Error(_.getMessage("PARAM_TYPE", "type (Elevation or Profil)"));
}
/**
* methode.
* Par defaut, "GET".
*/
this.method = this.options.method || "GET";
}
AltiRequestREST.prototype = {
/**
* request
* @type {String}
*/
requestString : null,
/**
* Constructeur (alias)
*/
constructor : AltiRequestREST,
/**
* Template de la requête.
*/
template : {
get : {
// FIXME on retire le param 'delimiter' : &delimiter='__DELIMITER__'
value : "lon=__LON__&lat=__LAT__&indent=__INDENT__&crs='__CRS__'&resource=__RESOURCE__&measures=__MEASURES__",
input : {
point : "&zonly=__ZONLY__",
profil : "&sampling=__SAMPLING__"
}
},
post : {
// FIXME on retire le param 'delimiter' : delimiter='__DELIMITER__'\n\
value : "lon=__LON__\n" +
"lat=__LAT__\n" +
"indent=__INDENT__\n" +
"crs='__CRS__'\n" +
"resource='__RESOURCE__'\n" +
"measures='__MEASURES__'\n",
input : {
point : "zonly=__ZONLY__\n",
profil : "sampling=__SAMPLING__"
}
}
},
/**
* Construction de la requête.
*
* @example
* // GET out : lon=0.2367,2.1570&lat=48.0551,46.6077&delimiter=,&indent=true&zonly=true&crs='CRS:84'
* // POST out : Not yet supported method POST !
* @returns {String}
*/
processRequestString : function () {
this.logger.trace("AltiRequestREST::processRequestString ()");
var template = "";
if (this.method === "POST") {
template = this.template.post.value;
} else Eif (this.method === "GET") {
template = this.template.get.value;
}
template = template.replace(/__LON__/g, this.DataObject.getLon());
template = template.replace(/__LAT__/g, this.DataObject.getLat());
// FIXME on retire le param 'delimiter'
// template = template.replace(/__DELIMITER__/g, this.DataObject.delimiter);
template = template.replace(/__INDENT__/g, this.DataObject.indent);
template = template.replace(/__CRS__/g, this.DataObject.crs);
template = template.replace(/__RESOURCE__/g, this.DataObject.resource);
template = template.replace(/__MEASURES__/g, this.DataObject.measures);
// ajout +
template = template + this.__addDataInputs();
this.logger.trace("traduction tmpl", template);
// sauvegarde
this.requestString = template;
return this.requestString;
},
/**
* Ajout de parametres spécifiques (ex. zonly)
*
* @returns {String}
*/
__addDataInputs : function () {
this.logger.trace("AltiRequestREST::addDataInput ()");
var myTemplate;
if (this.method === "POST") {
myTemplate = this.template.post;
} else Eif (this.method === "GET") {
myTemplate = this.template.get;
} else {
throw new Error("No other HTTP method supported by the service !");
}
var tmpl = null;
if (this.DataObject.CLASSNAME === "AltiElevationRequest") {
tmpl = myTemplate.input.point;
return tmpl.replace(/__ZONLY__/g, this.DataObject.zonly.toString());
} else Eif (this.DataObject.CLASSNAME === "AltiProfilRequest") {
tmpl = myTemplate.input.profil;
return tmpl.replace(/__SAMPLING__/g, this.DataObject.sampling);
} else {
throw new Error("No other object supported than elevation or profil !?");
}
}
};
export default AltiRequestREST;
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