/*
* Copyright 2015-2017 WorldWind Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @exports GeoJSONFeatureCollection
*/
define(['../../error/ArgumentError',
'./GeoJSONConstants',
'../../util/Logger'
],
function (ArgumentError,
GeoJSONConstants,
Logger) {
"use strict";
/**
* Constructs a GeoJSON FeatureCollection object. Applications typically do not call this constructor.
* It is called by {@link GeoJSON} as GeoJSON is read.
* @alias GeoJSONFeatureCollection
* @constructor
* @classdesc Contains the data associated with a GeoJSON Feature Collection Object.
* An object of type "FeatureCollection" must have a member with the name "features".
* The value corresponding to "features" is an array. Each element in the array is a feature object as
* defined in {@link GeoJSONFeature}.
* To include information on the coordinate range for feature collections, a GeoJSON object may have a member
* named "bbox".
* @param {Object} features An object containing the data associated with the GeoJSON FeatureCollection
* features.
* @param {Object} bbox An object containing the value of GeoJSON FeatureCollection bbox member.
* @throws {ArgumentError} If the specified mandatory features parameter is null or undefined.
*/
var GeoJSONFeatureCollection = function (features, bbox) {
if (!features) {
throw new ArgumentError(
Logger.logMessage(Logger.LEVEL_SEVERE, "GeoJSONFeatureCollection", "constructor",
"missingFeatures"));
}
if (Object.prototype.toString.call(features) !== '[object Array]') {
throw new ArgumentError(
Logger.logMessage(Logger.LEVEL_SEVERE, "GeoJSONFeatureCollection", "constructor",
"invalidFeatures"));
}
// Documented in defineProperties below.
this._features = features;
// Documented in defineProperties below.
this._bbox = bbox;
};
Object.defineProperties(GeoJSONFeatureCollection.prototype, {
/**
* The GeoJSON Feature Collection features as specified to this GeoJSONFeatureCollection's constructor.
* @memberof GeoJSONFeatureCollection.prototype
* @type {Object}
* @readonly
*/
features: {
get: function () {
return this._features;
}
},
/**
* The GeoJSON Collection bbox member as specified to this GeoJSONFeatureCollection's constructor.
* @memberof GeoJSONFeatureCollection.prototype
* @type {Object}
* @readonly
*/
bbox: {
get: function () {
return this._bbox;
}
}
});
return GeoJSONFeatureCollection;
}
);