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var utils = require('../utils'), |
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Base = require('../Base'); |
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/** |
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* A generic reference to a resource. |
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* |
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* @see {@link https://github.com/FamilySearch/gedcomx/blob/master/specifications/json-format-specification.md#resource-reference|GEDCOM X JSON Spec} |
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* |
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* @class |
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* @extends Base |
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* @param {Object} [json] |
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*/ |
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var ResourceReference = function(json){ |
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// Protect against forgetting the new keyword when calling the constructor |
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if(!(this instanceof ResourceReference)){ |
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return new ResourceReference(json); |
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} |
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// If the given object is already an instance then just return it. DON'T copy it. |
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if(ResourceReference.isInstance(json)){ |
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return json; |
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} |
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this.init(json); |
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}; |
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ResourceReference.prototype = Object.create(Base.prototype); |
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ResourceReference._gedxClass = ResourceReference.prototype._gedxClass = 'GedcomX.ResourceReference'; |
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ResourceReference.jsonProps = ['resource']; |
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/** |
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* Check whether the given object is an instance of this class. |
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* |
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* @param {Object} obj |
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* @returns {Boolean} |
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*/ |
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ResourceReference.isInstance = function(obj){ |
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return utils.isInstance(obj, this._gedxClass); |
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}; |
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/** |
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* Initialize from JSON |
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* |
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* @param {Object} |
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* @return {ResourceReference} this |
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*/ |
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ResourceReference.prototype.init = function(json){ |
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Base.prototype.init.call(this, json); |
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if(json){ |
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this.setResource(json.resource); |
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} |
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return this; |
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}; |
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/** |
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* Get the resource URI |
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* |
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* @returns {String} Resource |
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*/ |
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ResourceReference.prototype.getResource = function(){ |
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return this.resource; |
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}; |
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/** |
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* Set the resource URI |
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* |
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* @param {String} uri |
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* @returns {ResourceReference} this object |
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*/ |
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ResourceReference.prototype.setResource = function(uri){ |
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this.resource = uri; |
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return this; |
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}; |
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/** |
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* Check whether this reference matches the given resource. |
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* |
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* @param {Base} resource Resource or ID |
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* @return {Boolean} |
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*/ |
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ResourceReference.prototype.matches = function(resource){ |
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if(resource === undefined){ |
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return false; |
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} |
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var id = '#' + (typeof resource === 'string' ? resource : resource.getId()); |
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return this.resource === id; |
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}; |
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94
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/** |
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95
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* Export the object as JSON |
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96
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* |
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97
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* @return {Object} JSON object |
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*/ |
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ResourceReference.prototype.toJSON = function(){ |
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return this._toJSON(Base, ResourceReference.jsonProps); |
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}; |
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103
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module.exports = ResourceReference; |
rootsdev /
gedcomx-js
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