rootsdev / gedcomx-js

var utils = require('../utils'),

    Base = require('../Base');

/**

 * A set of data that supports extension elements.

 * 

 * @class

 * @extends Base

 * @param {Object} [json]

 */

var ExtensibleData = function(json){

  // Protect against forgetting the new keyword when calling the constructor

  if(!(this instanceof ExtensibleData)){

    return new ExtensibleData(json);

  }

  // If the given object is already an instance then just return it. DON'T copy it.

  if(ExtensibleData.isInstance(json)){

    return json;

  }

};

ExtensibleData.prototype = Object.create(Base.prototype);

ExtensibleData._gedxClass = ExtensibleData.prototype._gedxClass = 'GedcomX.ExtensibleData';

ExtensibleData.jsonProps = ['id'];

/**

 * Check whether the given object is an instance of this class.

 * 

 * @param {Object} obj

 * @returns {Boolean}

 */

ExtensibleData.isInstance = function(obj){

  return utils.isInstance(obj, this._gedxClass);

};

/**

 * Initialize from JSON

 * 

 * @return {ExtensibleData} this

 */

ExtensibleData.prototype.init = function(json){

  Base.prototype.init.call(this, json);

  if(json){

    this.setId(json.id);

  }

  return this;

};

/**

 * Get the object's id.

 * 

 * @returns {String} Id 

 */

ExtensibleData.prototype.getId = function(){

  return this.id;

};

/**

 * Set the object's id.

 * 

 * @param {String} id

 * @return {ExtensibleData} This object, for chaining.

 */

ExtensibleData.prototype.setId = function(id){

  this.id = id;

  return this;

};

/**

 * Export the object as JSON

 * 

 * @return {Object} JSON object

 */

ExtensibleData.prototype.toJSON = function(){

  return this._toJSON(Base, ExtensibleData.jsonProps);

};

module.exports = ExtensibleData;