|
1
|
/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
|
|
2
|
* full list of contributors). Published under the 2-clause BSD license.
|
|
3
|
* See license.txt in the OpenLayers distribution or repository for the
|
|
4
|
* full text of the license. */
|
|
5
|
|
|
6
|
/**
|
|
7
|
* @requires OpenLayers/Format/XML.js
|
|
8
|
* @requires OpenLayers/Format/GML/v3.js
|
|
9
|
* @requires OpenLayers/Feature/Vector.js
|
|
10
|
*/
|
|
11
|
|
|
12
|
/**
|
|
13
|
* Class: OpenLayers.Format.Atom
|
|
14
|
* Read/write Atom feeds. Create a new instance with the
|
|
15
|
* <OpenLayers.Format.AtomFeed> constructor.
|
|
16
|
*
|
|
17
|
* Inherits from:
|
|
18
|
* - <OpenLayers.Format.XML>
|
|
19
|
*/
|
|
20
|
OpenLayers.Format.Atom = OpenLayers.Class(OpenLayers.Format.XML, {
|
|
21
|
|
|
22
|
/**
|
|
23
|
* Property: namespaces
|
|
24
|
* {Object} Mapping of namespace aliases to namespace URIs. Properties
|
|
25
|
* of this object should not be set individually. Read-only. All
|
|
26
|
* XML subclasses should have their own namespaces object. Use
|
|
27
|
* <setNamespace> to add or set a namespace alias after construction.
|
|
28
|
*/
|
|
29
|
namespaces: {
|
|
30
|
atom: "http://www.w3.org/2005/Atom",
|
|
31
|
georss: "http://www.georss.org/georss"
|
|
32
|
},
|
|
33
|
|
|
34
|
/**
|
|
35
|
* APIProperty: feedTitle
|
|
36
|
* {String} Atom feed elements require a title. Default is "untitled".
|
|
37
|
*/
|
|
38
|
feedTitle: "untitled",
|
|
39
|
|
|
40
|
/**
|
|
41
|
* APIProperty: defaultEntryTitle
|
|
42
|
* {String} Atom entry elements require a title. In cases where one is
|
|
43
|
* not provided in the feature attributes, this will be used. Default
|
|
44
|
* is "untitled".
|
|
45
|
*/
|
|
46
|
defaultEntryTitle: "untitled",
|
|
47
|
|
|
48
|
/**
|
|
49
|
* Property: gmlParse
|
|
50
|
* {Object} GML Format object for parsing features
|
|
51
|
* Non-API and only created if necessary
|
|
52
|
*/
|
|
53
|
gmlParser: null,
|
|
54
|
|
|
55
|
/**
|
|
56
|
* APIProperty: xy
|
|
57
|
* {Boolean} Order of the GML coordinate: true:(x,y) or false:(y,x)
|
|
58
|
* For GeoRSS the default is (y,x), therefore: false
|
|
59
|
*/
|
|
60
|
xy: false,
|
|
61
|
|
|
62
|
/**
|
|
63
|
* Constructor: OpenLayers.Format.AtomEntry
|
|
64
|
* Create a new parser for Atom.
|
|
65
|
*
|
|
66
|
* Parameters:
|
|
67
|
* options - {Object} An optional object whose properties will be set on
|
|
68
|
* this instance.
|
|
69
|
*/
|
|
70
|
|
|
71
|
/**
|
|
72
|
* APIMethod: read
|
|
73
|
* Return a list of features from an Atom feed or entry document.
|
|
74
|
|
|
75
|
* Parameters:
|
|
76
|
* doc - {Element} or {String}
|
|
77
|
*
|
|
78
|
* Returns:
|
|
79
|
* Array({<OpenLayers.Feature.Vector>})
|
|
80
|
*/
|
|
81
|
read: function(doc) {
|
|
82
|
if (typeof doc == "string") {
|
|
83
|
doc = OpenLayers.Format.XML.prototype.read.apply(this, [doc]);
|
|
84
|
}
|
|
85
|
return this.parseFeatures(doc);
|
|
86
|
},
|
|
87
|
|
|
88
|
/**
|
|
89
|
* APIMethod: write
|
|
90
|
* Serialize or more feature nodes to Atom documents.
|
|
91
|
*
|
|
92
|
* Parameters:
|
|
93
|
* features - {<OpenLayers.Feature.Vector>} or Array({<OpenLayers.Feature.Vector>})
|
|
94
|
*
|
|
95
|
* Returns:
|
|
96
|
* {String} an Atom entry document if passed one feature node, or a feed
|
|
97
|
* document if passed an array of feature nodes.
|
|
98
|
*/
|
|
99
|
write: function(features) {
|
|
100
|
var doc;
|
|
101
|
if (OpenLayers.Util.isArray(features)) {
|
|
102
|
doc = this.createElementNSPlus("atom:feed");
|
|
103
|
doc.appendChild(
|
|
104
|
this.createElementNSPlus("atom:title", {
|
|
105
|
value: this.feedTitle
|
|
106
|
})
|
|
107
|
);
|
|
108
|
for (var i=0, ii=features.length; i<ii; i++) {
|
|
109
|
doc.appendChild(this.buildEntryNode(features[i]));
|
|
110
|
}
|
|
111
|
}
|
|
112
|
else {
|
|
113
|
doc = this.buildEntryNode(features);
|
|
114
|
}
|
|
115
|
return OpenLayers.Format.XML.prototype.write.apply(this, [doc]);
|
|
116
|
},
|
|
117
|
|
|
118
|
/**
|
|
119
|
* Method: buildContentNode
|
|
120
|
*
|
|
121
|
* Parameters:
|
|
122
|
* content - {Object}
|
|
123
|
*
|
|
124
|
* Returns:
|
|
125
|
* {DOMElement} an Atom content node.
|
|
126
|
*
|
|
127
|
* TODO: types other than text.
|
|
128
|
*/
|
|
129
|
buildContentNode: function(content) {
|
|
130
|
var node = this.createElementNSPlus("atom:content", {
|
|
131
|
attributes: {
|
|
132
|
type: content.type || null
|
|
133
|
}
|
|
134
|
});
|
|
135
|
if (content.src) {
|
|
136
|
node.setAttribute("src", content.src);
|
|
137
|
} else {
|
|
138
|
if (content.type == "text" || content.type == null) {
|
|
139
|
node.appendChild(
|
|
140
|
this.createTextNode(content.value)
|
|
141
|
);
|
|
142
|
} else if (content.type == "html") {
|
|
143
|
if (typeof content.value != "string") {
|
|
144
|
throw "HTML content must be in form of an escaped string";
|
|
145
|
}
|
|
146
|
node.appendChild(
|
|
147
|
this.createTextNode(content.value)
|
|
148
|
);
|
|
149
|
} else if (content.type == "xhtml") {
|
|
150
|
node.appendChild(content.value);
|
|
151
|
} else if (content.type == "xhtml" ||
|
|
152
|
content.type.match(/(\+|\/)xml$/)) {
|
|
153
|
node.appendChild(content.value);
|
|
154
|
}
|
|
155
|
else { // MUST be a valid Base64 encoding
|
|
156
|
node.appendChild(
|
|
157
|
this.createTextNode(content.value)
|
|
158
|
);
|
|
159
|
}
|
|
160
|
}
|
|
161
|
return node;
|
|
162
|
},
|
|
163
|
|
|
164
|
/**
|
|
165
|
* Method: buildEntryNode
|
|
166
|
* Build an Atom entry node from a feature object.
|
|
167
|
*
|
|
168
|
* Parameters:
|
|
169
|
* feature - {<OpenLayers.Feature.Vector>}
|
|
170
|
*
|
|
171
|
* Returns:
|
|
172
|
* {DOMElement} an Atom entry node.
|
|
173
|
*
|
|
174
|
* These entries are geared for publication using AtomPub.
|
|
175
|
*
|
|
176
|
* TODO: support extension elements
|
|
177
|
*/
|
|
178
|
buildEntryNode: function(feature) {
|
|
179
|
var attrib = feature.attributes;
|
|
180
|
var atomAttrib = attrib.atom || {};
|
|
181
|
var entryNode = this.createElementNSPlus("atom:entry");
|
|
182
|
|
|
183
|
// atom:author
|
|
184
|
if (atomAttrib.authors) {
|
|
185
|
var authors = OpenLayers.Util.isArray(atomAttrib.authors) ?
|
|
186
|
atomAttrib.authors : [atomAttrib.authors];
|
|
187
|
for (var i=0, ii=authors.length; i<ii; i++) {
|
|
188
|
entryNode.appendChild(
|
|
189
|
this.buildPersonConstructNode(
|
|
190
|
"author", authors[i]
|
|
191
|
)
|
|
192
|
);
|
|
193
|
}
|
|
194
|
}
|
|
195
|
|
|
196
|
// atom:category
|
|
197
|
if (atomAttrib.categories) {
|
|
198
|
var categories = OpenLayers.Util.isArray(atomAttrib.categories) ?
|
|
199
|
atomAttrib.categories : [atomAttrib.categories];
|
|
200
|
var category;
|
|
201
|
for (var i=0, ii=categories.length; i<ii; i++) {
|
|
202
|
category = categories[i];
|
|
203
|
entryNode.appendChild(
|
|
204
|
this.createElementNSPlus("atom:category", {
|
|
205
|
attributes: {
|
|
206
|
term: category.term,
|
|
207
|
scheme: category.scheme || null,
|
|
208
|
label: category.label || null
|
|
209
|
}
|
|
210
|
})
|
|
211
|
);
|
|
212
|
}
|
|
213
|
}
|
|
214
|
|
|
215
|
// atom:content
|
|
216
|
if (atomAttrib.content) {
|
|
217
|
entryNode.appendChild(this.buildContentNode(atomAttrib.content));
|
|
218
|
}
|
|
219
|
|
|
220
|
// atom:contributor
|
|
221
|
if (atomAttrib.contributors) {
|
|
222
|
var contributors = OpenLayers.Util.isArray(atomAttrib.contributors) ?
|
|
223
|
atomAttrib.contributors : [atomAttrib.contributors];
|
|
224
|
for (var i=0, ii=contributors.length; i<ii; i++) {
|
|
225
|
entryNode.appendChild(
|
|
226
|
this.buildPersonConstructNode(
|
|
227
|
"contributor",
|
|
228
|
contributors[i]
|
|
229
|
)
|
|
230
|
);
|
|
231
|
}
|
|
232
|
}
|
|
233
|
|
|
234
|
// atom:id
|
|
235
|
if (feature.fid) {
|
|
236
|
entryNode.appendChild(
|
|
237
|
this.createElementNSPlus("atom:id", {
|
|
238
|
value: feature.fid
|
|
239
|
})
|
|
240
|
);
|
|
241
|
}
|
|
242
|
|
|
243
|
// atom:link
|
|
244
|
if (atomAttrib.links) {
|
|
245
|
var links = OpenLayers.Util.isArray(atomAttrib.links) ?
|
|
246
|
atomAttrib.links : [atomAttrib.links];
|
|
247
|
var link;
|
|
248
|
for (var i=0, ii=links.length; i<ii; i++) {
|
|
249
|
link = links[i];
|
|
250
|
entryNode.appendChild(
|
|
251
|
this.createElementNSPlus("atom:link", {
|
|
252
|
attributes: {
|
|
253
|
href: link.href,
|
|
254
|
rel: link.rel || null,
|
|
255
|
type: link.type || null,
|
|
256
|
hreflang: link.hreflang || null,
|
|
257
|
title: link.title || null,
|
|
258
|
length: link.length || null
|
|
259
|
}
|
|
260
|
})
|
|
261
|
);
|
|
262
|
}
|
|
263
|
}
|
|
264
|
|
|
265
|
// atom:published
|
|
266
|
if (atomAttrib.published) {
|
|
267
|
entryNode.appendChild(
|
|
268
|
this.createElementNSPlus("atom:published", {
|
|
269
|
value: atomAttrib.published
|
|
270
|
})
|
|
271
|
);
|
|
272
|
}
|
|
273
|
|
|
274
|
// atom:rights
|
|
275
|
if (atomAttrib.rights) {
|
|
276
|
entryNode.appendChild(
|
|
277
|
this.createElementNSPlus("atom:rights", {
|
|
278
|
value: atomAttrib.rights
|
|
279
|
})
|
|
280
|
);
|
|
281
|
}
|
|
282
|
|
|
283
|
// atom:source not implemented
|
|
284
|
|
|
285
|
// atom:summary
|
|
286
|
if (atomAttrib.summary || attrib.description) {
|
|
287
|
entryNode.appendChild(
|
|
288
|
this.createElementNSPlus("atom:summary", {
|
|
289
|
value: atomAttrib.summary || attrib.description
|
|
290
|
})
|
|
291
|
);
|
|
292
|
}
|
|
293
|
|
|
294
|
// atom:title
|
|
295
|
entryNode.appendChild(
|
|
296
|
this.createElementNSPlus("atom:title", {
|
|
297
|
value: atomAttrib.title || attrib.title || this.defaultEntryTitle
|
|
298
|
})
|
|
299
|
);
|
|
300
|
|
|
301
|
// atom:updated
|
|
302
|
if (atomAttrib.updated) {
|
|
303
|
entryNode.appendChild(
|
|
304
|
this.createElementNSPlus("atom:updated", {
|
|
305
|
value: atomAttrib.updated
|
|
306
|
})
|
|
307
|
);
|
|
308
|
}
|
|
309
|
|
|
310
|
// georss:where
|
|
311
|
if (feature.geometry) {
|
|
312
|
var whereNode = this.createElementNSPlus("georss:where");
|
|
313
|
whereNode.appendChild(
|
|
314
|
this.buildGeometryNode(feature.geometry)
|
|
315
|
);
|
|
316
|
entryNode.appendChild(whereNode);
|
|
317
|
}
|
|
318
|
|
|
319
|
return entryNode;
|
|
320
|
},
|
|
321
|
|
|
322
|
/**
|
|
323
|
* Method: initGmlParser
|
|
324
|
* Creates a GML parser.
|
|
325
|
*/
|
|
326
|
initGmlParser: function() {
|
|
327
|
this.gmlParser = new OpenLayers.Format.GML.v3({
|
|
328
|
xy: this.xy,
|
|
329
|
featureNS: "http://example.com#feature",
|
|
330
|
internalProjection: this.internalProjection,
|
|
331
|
externalProjection: this.externalProjection
|
|
332
|
});
|
|
333
|
},
|
|
334
|
|
|
335
|
/**
|
|
336
|
* Method: buildGeometryNode
|
|
337
|
* builds a GeoRSS node with a given geometry
|
|
338
|
*
|
|
339
|
* Parameters:
|
|
340
|
* geometry - {<OpenLayers.Geometry>}
|
|
341
|
*
|
|
342
|
* Returns:
|
|
343
|
* {DOMElement} A gml node.
|
|
344
|
*/
|
|
345
|
buildGeometryNode: function(geometry) {
|
|
346
|
if (!this.gmlParser) {
|
|
347
|
this.initGmlParser();
|
|
348
|
}
|
|
349
|
var node = this.gmlParser.writeNode("feature:_geometry", geometry);
|
|
350
|
return node.firstChild;
|
|
351
|
},
|
|
352
|
|
|
353
|
/**
|
|
354
|
* Method: buildPersonConstructNode
|
|
355
|
*
|
|
356
|
* Parameters:
|
|
357
|
* name - {String}
|
|
358
|
* value - {Object}
|
|
359
|
*
|
|
360
|
* Returns:
|
|
361
|
* {DOMElement} an Atom person construct node.
|
|
362
|
*
|
|
363
|
* Example:
|
|
364
|
* >>> buildPersonConstructNode("author", {name: "John Smith"})
|
|
365
|
* {<author><name>John Smith</name></author>}
|
|
366
|
*
|
|
367
|
* TODO: how to specify extension elements? Add to the oNames array?
|
|
368
|
*/
|
|
369
|
buildPersonConstructNode: function(name, value) {
|
|
370
|
var oNames = ["uri", "email"];
|
|
371
|
var personNode = this.createElementNSPlus("atom:" + name);
|
|
372
|
personNode.appendChild(
|
|
373
|
this.createElementNSPlus("atom:name", {
|
|
374
|
value: value.name
|
|
375
|
})
|
|
376
|
);
|
|
377
|
for (var i=0, ii=oNames.length; i<ii; i++) {
|
|
378
|
if (value[oNames[i]]) {
|
|
379
|
personNode.appendChild(
|
|
380
|
this.createElementNSPlus("atom:" + oNames[i], {
|
|
381
|
value: value[oNames[i]]
|
|
382
|
})
|
|
383
|
);
|
|
384
|
}
|
|
385
|
}
|
|
386
|
return personNode;
|
|
387
|
},
|
|
388
|
|
|
389
|
/**
|
|
390
|
* Method: getFirstChildValue
|
|
391
|
*
|
|
392
|
* Parameters:
|
|
393
|
* node - {DOMElement}
|
|
394
|
* nsuri - {String} Child node namespace uri ("*" for any).
|
|
395
|
* name - {String} Child node name.
|
|
396
|
* def - {String} Optional string default to return if no child found.
|
|
397
|
*
|
|
398
|
* Returns:
|
|
399
|
* {String} The value of the first child with the given tag name. Returns
|
|
400
|
* default value or empty string if none found.
|
|
401
|
*/
|
|
402
|
getFirstChildValue: function(node, nsuri, name, def) {
|
|
403
|
var value;
|
|
404
|
var nodes = this.getElementsByTagNameNS(node, nsuri, name);
|
|
405
|
if (nodes && nodes.length > 0) {
|
|
406
|
value = this.getChildValue(nodes[0], def);
|
|
407
|
} else {
|
|
408
|
value = def;
|
|
409
|
}
|
|
410
|
return value;
|
|
411
|
},
|
|
412
|
|
|
413
|
/**
|
|
414
|
* Method: parseFeature
|
|
415
|
* Parse feature from an Atom entry node..
|
|
416
|
*
|
|
417
|
* Parameters:
|
|
418
|
* node - {DOMElement} An Atom entry or feed node.
|
|
419
|
*
|
|
420
|
* Returns:
|
|
421
|
* {<OpenLayers.Feature.Vector>}
|
|
422
|
*/
|
|
423
|
parseFeature: function(node) {
|
|
424
|
var atomAttrib = {};
|
|
425
|
var value = null;
|
|
426
|
var nodes = null;
|
|
427
|
var attval = null;
|
|
428
|
var atomns = this.namespaces.atom;
|
|
429
|
|
|
430
|
// atomAuthor*
|
|
431
|
this.parsePersonConstructs(node, "author", atomAttrib);
|
|
432
|
|
|
433
|
// atomCategory*
|
|
434
|
nodes = this.getElementsByTagNameNS(node, atomns, "category");
|
|
435
|
if (nodes.length > 0) {
|
|
436
|
atomAttrib.categories = [];
|
|
437
|
}
|
|
438
|
for (var i=0, ii=nodes.length; i<ii; i++) {
|
|
439
|
value = {};
|
|
440
|
value.term = nodes[i].getAttribute("term");
|
|
441
|
attval = nodes[i].getAttribute("scheme");
|
|
442
|
if (attval) { value.scheme = attval; }
|
|
443
|
attval = nodes[i].getAttribute("label");
|
|
444
|
if (attval) { value.label = attval; }
|
|
445
|
atomAttrib.categories.push(value);
|
|
446
|
}
|
|
447
|
|
|
448
|
// atomContent?
|
|
449
|
nodes = this.getElementsByTagNameNS(node, atomns, "content");
|
|
450
|
if (nodes.length > 0) {
|
|
451
|
value = {};
|
|
452
|
attval = nodes[0].getAttribute("type");
|
|
453
|
if (attval) {
|
|
454
|
value.type = attval;
|
|
455
|
}
|
|
456
|
attval = nodes[0].getAttribute("src");
|
|
457
|
if (attval) {
|
|
458
|
value.src = attval;
|
|
459
|
} else {
|
|
460
|
if (value.type == "text" ||
|
|
461
|
value.type == "html" ||
|
|
462
|
value.type == null ) {
|
|
463
|
value.value = this.getFirstChildValue(
|
|
464
|
node,
|
|
465
|
atomns,
|
|
466
|
"content",
|
|
467
|
null
|
|
468
|
);
|
|
469
|
} else if (value.type == "xhtml" ||
|
|
470
|
value.type.match(/(\+|\/)xml$/)) {
|
|
471
|
value.value = this.getChildEl(nodes[0]);
|
|
472
|
} else { // MUST be base64 encoded
|
|
473
|
value.value = this.getFirstChildValue(
|
|
474
|
node,
|
|
475
|
atomns,
|
|
476
|
"content",
|
|
477
|
null
|
|
478
|
);
|
|
479
|
}
|
|
480
|
atomAttrib.content = value;
|
|
481
|
}
|
|
482
|
}
|
|
483
|
|
|
484
|
// atomContributor*
|
|
485
|
this.parsePersonConstructs(node, "contributor", atomAttrib);
|
|
486
|
|
|
487
|
// atomId
|
|
488
|
atomAttrib.id = this.getFirstChildValue(node, atomns, "id", null);
|
|
489
|
|
|
490
|
// atomLink*
|
|
491
|
nodes = this.getElementsByTagNameNS(node, atomns, "link");
|
|
492
|
if (nodes.length > 0) {
|
|
493
|
atomAttrib.links = new Array(nodes.length);
|
|
494
|
}
|
|
495
|
var oAtts = ["rel", "type", "hreflang", "title", "length"];
|
|
496
|
for (var i=0, ii=nodes.length; i<ii; i++) {
|
|
497
|
value = {};
|
|
498
|
value.href = nodes[i].getAttribute("href");
|
|
499
|
for (var j=0, jj=oAtts.length; j<jj; j++) {
|
|
500
|
attval = nodes[i].getAttribute(oAtts[j]);
|
|
501
|
if (attval) {
|
|
502
|
value[oAtts[j]] = attval;
|
|
503
|
}
|
|
504
|
}
|
|
505
|
atomAttrib.links[i] = value;
|
|
506
|
}
|
|
507
|
|
|
508
|
// atomPublished?
|
|
509
|
value = this.getFirstChildValue(node, atomns, "published", null);
|
|
510
|
if (value) {
|
|
511
|
atomAttrib.published = value;
|
|
512
|
}
|
|
513
|
|
|
514
|
// atomRights?
|
|
515
|
value = this.getFirstChildValue(node, atomns, "rights", null);
|
|
516
|
if (value) {
|
|
517
|
atomAttrib.rights = value;
|
|
518
|
}
|
|
519
|
|
|
520
|
// atomSource? -- not implemented
|
|
521
|
|
|
522
|
// atomSummary?
|
|
523
|
value = this.getFirstChildValue(node, atomns, "summary", null);
|
|
524
|
if (value) {
|
|
525
|
atomAttrib.summary = value;
|
|
526
|
}
|
|
527
|
|
|
528
|
// atomTitle
|
|
529
|
atomAttrib.title = this.getFirstChildValue(
|
|
530
|
node, atomns, "title", null
|
|
531
|
);
|
|
532
|
|
|
533
|
// atomUpdated
|
|
534
|
atomAttrib.updated = this.getFirstChildValue(
|
|
535
|
node, atomns, "updated", null
|
|
536
|
);
|
|
537
|
|
|
538
|
var featureAttrib = {
|
|
539
|
title: atomAttrib.title,
|
|
540
|
description: atomAttrib.summary,
|
|
541
|
atom: atomAttrib
|
|
542
|
};
|
|
543
|
var geometry = this.parseLocations(node)[0];
|
|
544
|
var feature = new OpenLayers.Feature.Vector(geometry, featureAttrib);
|
|
545
|
feature.fid = atomAttrib.id;
|
|
546
|
return feature;
|
|
547
|
},
|
|
548
|
|
|
549
|
/**
|
|
550
|
* Method: parseFeatures
|
|
551
|
* Return features from an Atom entry or feed.
|
|
552
|
*
|
|
553
|
* Parameters:
|
|
554
|
* node - {DOMElement} An Atom entry or feed node.
|
|
555
|
*
|
|
556
|
* Returns:
|
|
557
|
* Array({<OpenLayers.Feature.Vector>})
|
|
558
|
*/
|
|
559
|
parseFeatures: function(node) {
|
|
560
|
var features = [];
|
|
561
|
var entries = this.getElementsByTagNameNS(
|
|
562
|
node, this.namespaces.atom, "entry"
|
|
563
|
);
|
|
564
|
if (entries.length == 0) {
|
|
565
|
entries = [node];
|
|
566
|
}
|
|
567
|
for (var i=0, ii=entries.length; i<ii; i++) {
|
|
568
|
features.push(this.parseFeature(entries[i]));
|
|
569
|
}
|
|
570
|
return features;
|
|
571
|
},
|
|
572
|
|
|
573
|
/**
|
|
574
|
* Method: parseLocations
|
|
575
|
* Parse the locations from an Atom entry or feed.
|
|
576
|
*
|
|
577
|
* Parameters:
|
|
578
|
* node - {DOMElement} An Atom entry or feed node.
|
|
579
|
*
|
|
580
|
* Returns:
|
|
581
|
* Array({<OpenLayers.Geometry>})
|
|
582
|
*/
|
|
583
|
parseLocations: function(node) {
|
|
584
|
var georssns = this.namespaces.georss;
|
|
585
|
|
|
586
|
var locations = {components: []};
|
|
587
|
var where = this.getElementsByTagNameNS(node, georssns, "where");
|
|
588
|
if (where && where.length > 0) {
|
|
589
|
if (!this.gmlParser) {
|
|
590
|
this.initGmlParser();
|
|
591
|
}
|
|
592
|
for (var i=0, ii=where.length; i<ii; i++) {
|
|
593
|
this.gmlParser.readChildNodes(where[i], locations);
|
|
594
|
}
|
|
595
|
}
|
|
596
|
|
|
597
|
var components = locations.components;
|
|
598
|
var point = this.getElementsByTagNameNS(node, georssns, "point");
|
|
599
|
if (point && point.length > 0) {
|
|
600
|
for (var i=0, ii=point.length; i<ii; i++) {
|
|
601
|
var xy = OpenLayers.String.trim(
|
|
602
|
point[i].firstChild.nodeValue
|
|
603
|
).split(/\s+/);
|
|
604
|
if (xy.length !=2) {
|
|
605
|
xy = OpenLayers.String.trim(
|
|
606
|
point[i].firstChild.nodeValue
|
|
607
|
).split(/\s*,\s*/);
|
|
608
|
}
|
|
609
|
components.push(new OpenLayers.Geometry.Point(xy[1], xy[0]));
|
|
610
|
}
|
|
611
|
}
|
|
612
|
|
|
613
|
var line = this.getElementsByTagNameNS(node, georssns, "line");
|
|
614
|
if (line && line.length > 0) {
|
|
615
|
var coords;
|
|
616
|
var p;
|
|
617
|
var points;
|
|
618
|
for (var i=0, ii=line.length; i<ii; i++) {
|
|
619
|
coords = OpenLayers.String.trim(
|
|
620
|
line[i].firstChild.nodeValue
|
|
621
|
).split(/\s+/);
|
|
622
|
points = [];
|
|
623
|
for (var j=0, jj=coords.length; j<jj; j+=2) {
|
|
624
|
p = new OpenLayers.Geometry.Point(coords[j+1], coords[j]);
|
|
625
|
points.push(p);
|
|
626
|
}
|
|
627
|
components.push(
|
|
628
|
new OpenLayers.Geometry.LineString(points)
|
|
629
|
);
|
|
630
|
}
|
|
631
|
}
|
|
632
|
|
|
633
|
var polygon = this.getElementsByTagNameNS(node, georssns, "polygon");
|
|
634
|
if (polygon && polygon.length > 0) {
|
|
635
|
var coords;
|
|
636
|
var p;
|
|
637
|
var points;
|
|
638
|
for (var i=0, ii=polygon.length; i<ii; i++) {
|
|
639
|
coords = OpenLayers.String.trim(
|
|
640
|
polygon[i].firstChild.nodeValue
|
|
641
|
).split(/\s+/);
|
|
642
|
points = [];
|
|
643
|
for (var j=0, jj=coords.length; j<jj; j+=2) {
|
|
644
|
p = new OpenLayers.Geometry.Point(coords[j+1], coords[j]);
|
|
645
|
points.push(p);
|
|
646
|
}
|
|
647
|
components.push(
|
|
648
|
new OpenLayers.Geometry.Polygon(
|
|
649
|
[new OpenLayers.Geometry.LinearRing(points)]
|
|
650
|
)
|
|
651
|
);
|
|
652
|
}
|
|
653
|
}
|
|
654
|
|
|
655
|
if (this.internalProjection && this.externalProjection) {
|
|
656
|
for (var i=0, ii=components.length; i<ii; i++) {
|
|
657
|
if (components[i]) {
|
|
658
|
components[i].transform(
|
|
659
|
this.externalProjection,
|
|
660
|
this.internalProjection
|
|
661
|
);
|
|
662
|
}
|
|
663
|
}
|
|
664
|
}
|
|
665
|
|
|
666
|
return components;
|
|
667
|
},
|
|
668
|
|
|
669
|
/**
|
|
670
|
* Method: parsePersonConstruct
|
|
671
|
* Parse Atom person constructs from an Atom entry node.
|
|
672
|
*
|
|
673
|
* Parameters:
|
|
674
|
* node - {DOMElement} An Atom entry or feed node.
|
|
675
|
* name - {String} Construcy name ("author" or "contributor")
|
|
676
|
* data = {Object} Object in which to put parsed persons.
|
|
677
|
*
|
|
678
|
* Returns:
|
|
679
|
* An {Object}.
|
|
680
|
*/
|
|
681
|
parsePersonConstructs: function(node, name, data) {
|
|
682
|
var persons = [];
|
|
683
|
var atomns = this.namespaces.atom;
|
|
684
|
var nodes = this.getElementsByTagNameNS(node, atomns, name);
|
|
685
|
var oAtts = ["uri", "email"];
|
|
686
|
for (var i=0, ii=nodes.length; i<ii; i++) {
|
|
687
|
var value = {};
|
|
688
|
value.name = this.getFirstChildValue(
|
|
689
|
nodes[i],
|
|
690
|
atomns,
|
|
691
|
"name",
|
|
692
|
null
|
|
693
|
);
|
|
694
|
for (var j=0, jj=oAtts.length; j<jj; j++) {
|
|
695
|
var attval = this.getFirstChildValue(
|
|
696
|
nodes[i],
|
|
697
|
atomns,
|
|
698
|
oAtts[j],
|
|
699
|
null);
|
|
700
|
if (attval) {
|
|
701
|
value[oAtts[j]] = attval;
|
|
702
|
}
|
|
703
|
}
|
|
704
|
persons.push(value);
|
|
705
|
}
|
|
706
|
if (persons.length > 0) {
|
|
707
|
data[name + "s"] = persons;
|
|
708
|
}
|
|
709
|
},
|
|
710
|
|
|
711
|
CLASS_NAME: "OpenLayers.Format.Atom"
|
|
712
|
});
|