1
|
|
|
var utils = require('../utils'), |
2
|
|
|
Base = require('../Base'); |
3
|
|
|
|
4
|
|
|
/** |
5
|
|
|
* A generic reference to a resource. |
6
|
|
|
* |
7
|
|
|
* @see {@link https://github.com/FamilySearch/gedcomx/blob/master/specifications/json-format-specification.md#resource-reference|GEDCOM X JSON Spec} |
8
|
|
|
* |
9
|
|
|
* @class |
10
|
|
|
* @extends Base |
11
|
|
|
* @param {Object} [json] |
|
|
|
|
12
|
|
|
*/ |
13
|
|
|
var ResourceReference = function(json){ |
14
|
|
|
|
15
|
|
|
// Protect against forgetting the new keyword when calling the constructor |
16
|
|
|
if(!(this instanceof ResourceReference)){ |
17
|
|
|
return new ResourceReference(json); |
18
|
|
|
} |
19
|
|
|
|
20
|
|
|
// If the given object is already an instance then just return it. DON'T copy it. |
21
|
|
|
if(ResourceReference.isInstance(json)){ |
22
|
|
|
return json; |
23
|
|
|
} |
24
|
|
|
|
25
|
|
|
this.init(json); |
|
|
|
|
26
|
|
|
}; |
27
|
|
|
|
28
|
|
|
ResourceReference.prototype = Object.create(Base.prototype); |
29
|
|
|
|
30
|
|
|
ResourceReference._gedxClass = ResourceReference.prototype._gedxClass = 'GedcomX.ResourceReference'; |
31
|
|
|
|
32
|
|
|
ResourceReference.jsonProps = ['resource']; |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* Check whether the given object is an instance of this class. |
36
|
|
|
* |
37
|
|
|
* @param {Object} obj |
38
|
|
|
* @returns {Boolean} |
39
|
|
|
*/ |
40
|
|
|
ResourceReference.isInstance = function(obj){ |
41
|
|
|
return utils.isInstance(obj, this._gedxClass); |
42
|
|
|
}; |
43
|
|
|
|
44
|
|
|
/** |
45
|
|
|
* Initialize from JSON |
46
|
|
|
* |
47
|
|
|
* @param {Object} |
|
|
|
|
48
|
|
|
* @return {ResourceReference} this |
49
|
|
|
*/ |
50
|
|
|
ResourceReference.prototype.init = function(json){ |
51
|
|
|
|
52
|
|
|
Base.prototype.init.call(this, json); |
53
|
|
|
|
54
|
|
|
if(json){ |
55
|
|
|
this.setResource(json.resource); |
56
|
|
|
} |
57
|
|
|
return this; |
58
|
|
|
}; |
59
|
|
|
|
60
|
|
|
/** |
61
|
|
|
* Get the resource URI |
62
|
|
|
* |
63
|
|
|
* @returns {String} Resource |
64
|
|
|
*/ |
65
|
|
|
ResourceReference.prototype.getResource = function(){ |
66
|
|
|
return this.resource; |
67
|
|
|
}; |
68
|
|
|
|
69
|
|
|
/** |
70
|
|
|
* Set the resource URI |
71
|
|
|
* |
72
|
|
|
* @param {String} uri |
73
|
|
|
* @returns {ResourceReference} this object |
74
|
|
|
*/ |
75
|
|
|
ResourceReference.prototype.setResource = function(uri){ |
76
|
|
|
this.resource = uri; |
77
|
|
|
return this; |
78
|
|
|
}; |
79
|
|
|
|
80
|
|
|
/** |
81
|
|
|
* Check whether this reference matches the given resource. |
82
|
|
|
* |
83
|
|
|
* @param {Base} resource Resource or ID |
84
|
|
|
* @return {Boolean} |
85
|
|
|
*/ |
86
|
|
|
ResourceReference.prototype.matches = function(resource){ |
87
|
|
|
if(resource === undefined){ |
88
|
|
|
return false; |
89
|
|
|
} |
90
|
|
|
var id = '#' + (typeof resource === 'string' ? resource : resource.getId()); |
91
|
|
|
return this.resource === id; |
92
|
|
|
}; |
93
|
|
|
|
94
|
|
|
/** |
95
|
|
|
* Export the object as JSON |
96
|
|
|
* |
97
|
|
|
* @return {Object} JSON object |
98
|
|
|
*/ |
99
|
|
|
ResourceReference.prototype.toJSON = function(){ |
100
|
|
|
return this._toJSON(Base, ResourceReference.jsonProps); |
101
|
|
|
}; |
102
|
|
|
|
103
|
|
|
module.exports = ResourceReference; |