/*
* Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented
* by the Administrator of the National Aeronautics and Space Administration.
* All rights reserved.
*
* The NASAWorldWind/WebWorldWind platform is 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.
*
* NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source
* software:
*
* ES6-Promise – under MIT License
* libtess.js – SGI Free Software License B
* Proj4 – under MIT License
* JSZip – under MIT License
*
* A complete listing of 3rd Party software notices and licenses included in
* WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses
* PDF found in code directory.
*/
define([], function () {
"use strict";
/**
* This class represents abstraction for KmlAttribute. It is possible to test its existence, retrieve value and set
* value.
* @alias KmlAttribute
* @param node {Node} Node on which the attribute exists
* @param name {String} Name of the attribute
* @constructor
*/
var KmlAttribute = function(node, name) {
this.node = node;
this.name = name;
};
/**
* It returns value of the attribute. If the attribute doesn't exists it returns null.
* @returns {String|null}
*/
KmlAttribute.prototype.value = function(){
return (this.node.attributes && this.node.attributes.getNamedItem(this.name)&&
this.node.attributes.getNamedItem(this.name).value) || null;
};
/**
* It returns true if there exists attribute with given name.
* @returns {boolean}
*/
KmlAttribute.prototype.exists = function() {
return this.value() != null;
};
/**
* Value which should be set to the attribute.
* @param value {String}
*/
KmlAttribute.prototype.save = function(value) {
this.node.setAttribute(this.name, value);
};
return KmlAttribute;
});