|
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/OGCExceptionReport.js
|
|
9
|
*/
|
|
10
|
|
|
11
|
/**
|
|
12
|
* Class: OpenLayers.Format.WFSDescribeFeatureType
|
|
13
|
* Read WFS DescribeFeatureType response
|
|
14
|
*
|
|
15
|
* Inherits from:
|
|
16
|
* - <OpenLayers.Format.XML>
|
|
17
|
*/
|
|
18
|
OpenLayers.Format.WFSDescribeFeatureType = OpenLayers.Class(
|
|
19
|
OpenLayers.Format.XML, {
|
|
20
|
|
|
21
|
/**
|
|
22
|
* Property: regExes
|
|
23
|
* Compiled regular expressions for manipulating strings.
|
|
24
|
*/
|
|
25
|
regExes: {
|
|
26
|
trimSpace: (/^\s*|\s*$/g)
|
|
27
|
},
|
|
28
|
|
|
29
|
/**
|
|
30
|
* Property: namespaces
|
|
31
|
* {Object} Mapping of namespace aliases to namespace URIs.
|
|
32
|
*/
|
|
33
|
namespaces: {
|
|
34
|
xsd: "http://www.w3.org/2001/XMLSchema"
|
|
35
|
},
|
|
36
|
|
|
37
|
/**
|
|
38
|
* Constructor: OpenLayers.Format.WFSDescribeFeatureType
|
|
39
|
* Create a new parser for WFS DescribeFeatureType responses.
|
|
40
|
*
|
|
41
|
* Parameters:
|
|
42
|
* options - {Object} An optional object whose properties will be set on
|
|
43
|
* this instance.
|
|
44
|
*/
|
|
45
|
|
|
46
|
/**
|
|
47
|
* Property: readers
|
|
48
|
* Contains public functions, grouped by namespace prefix, that will
|
|
49
|
* be applied when a namespaced node is found matching the function
|
|
50
|
* name. The function will be applied in the scope of this parser
|
|
51
|
* with two arguments: the node being read and a context object passed
|
|
52
|
* from the parent.
|
|
53
|
*/
|
|
54
|
readers: {
|
|
55
|
"xsd": {
|
|
56
|
"schema": function(node, obj) {
|
|
57
|
var complexTypes = [];
|
|
58
|
var customTypes = {};
|
|
59
|
var schema = {
|
|
60
|
complexTypes: complexTypes,
|
|
61
|
customTypes: customTypes
|
|
62
|
};
|
|
63
|
var i, len;
|
|
64
|
|
|
65
|
this.readChildNodes(node, schema);
|
|
66
|
|
|
67
|
var attributes = node.attributes;
|
|
68
|
var attr, name;
|
|
69
|
for(i=0, len=attributes.length; i<len; ++i) {
|
|
70
|
attr = attributes[i];
|
|
71
|
name = attr.name;
|
|
72
|
if(name.indexOf("xmlns") === 0) {
|
|
73
|
this.setNamespace(name.split(":")[1] || "", attr.value);
|
|
74
|
} else {
|
|
75
|
obj[name] = attr.value;
|
|
76
|
}
|
|
77
|
}
|
|
78
|
obj.featureTypes = complexTypes;
|
|
79
|
obj.targetPrefix = this.namespaceAlias[obj.targetNamespace];
|
|
80
|
|
|
81
|
// map complexTypes to names of customTypes
|
|
82
|
var complexType, customType;
|
|
83
|
for(i=0, len=complexTypes.length; i<len; ++i) {
|
|
84
|
complexType = complexTypes[i];
|
|
85
|
customType = customTypes[complexType.typeName];
|
|
86
|
if(customTypes[complexType.typeName]) {
|
|
87
|
complexType.typeName = customType.name;
|
|
88
|
}
|
|
89
|
}
|
|
90
|
},
|
|
91
|
"complexType": function(node, obj) {
|
|
92
|
var complexType = {
|
|
93
|
// this is a temporary typeName, it will be overwritten by
|
|
94
|
// the schema reader with the metadata found in the
|
|
95
|
// customTypes hash
|
|
96
|
"typeName": node.getAttribute("name")
|
|
97
|
};
|
|
98
|
this.readChildNodes(node, complexType);
|
|
99
|
obj.complexTypes.push(complexType);
|
|
100
|
},
|
|
101
|
"complexContent": function(node, obj) {
|
|
102
|
this.readChildNodes(node, obj);
|
|
103
|
},
|
|
104
|
"extension": function(node, obj) {
|
|
105
|
this.readChildNodes(node, obj);
|
|
106
|
},
|
|
107
|
"sequence": function(node, obj) {
|
|
108
|
var sequence = {
|
|
109
|
elements: []
|
|
110
|
};
|
|
111
|
this.readChildNodes(node, sequence);
|
|
112
|
obj.properties = sequence.elements;
|
|
113
|
},
|
|
114
|
"element": function(node, obj) {
|
|
115
|
var type;
|
|
116
|
if(obj.elements) {
|
|
117
|
var element = {};
|
|
118
|
var attributes = node.attributes;
|
|
119
|
var attr;
|
|
120
|
for(var i=0, len=attributes.length; i<len; ++i) {
|
|
121
|
attr = attributes[i];
|
|
122
|
element[attr.name] = attr.value;
|
|
123
|
}
|
|
124
|
|
|
125
|
type = element.type;
|
|
126
|
if(!type) {
|
|
127
|
type = {};
|
|
128
|
this.readChildNodes(node, type);
|
|
129
|
element.restriction = type;
|
|
130
|
element.type = type.base;
|
|
131
|
}
|
|
132
|
var fullType = type.base || type;
|
|
133
|
element.localType = fullType.split(":").pop();
|
|
134
|
obj.elements.push(element);
|
|
135
|
this.readChildNodes(node, element);
|
|
136
|
}
|
|
137
|
|
|
138
|
if(obj.complexTypes) {
|
|
139
|
type = node.getAttribute("type");
|
|
140
|
var localType = type.split(":").pop();
|
|
141
|
obj.customTypes[localType] = {
|
|
142
|
"name": node.getAttribute("name"),
|
|
143
|
"type": type
|
|
144
|
};
|
|
145
|
}
|
|
146
|
},
|
|
147
|
"annotation": function(node, obj) {
|
|
148
|
obj.annotation = {};
|
|
149
|
this.readChildNodes(node, obj.annotation);
|
|
150
|
},
|
|
151
|
"appinfo": function(node, obj) {
|
|
152
|
if (!obj.appinfo) {
|
|
153
|
obj.appinfo = [];
|
|
154
|
}
|
|
155
|
obj.appinfo.push(this.getChildValue(node));
|
|
156
|
},
|
|
157
|
"documentation": function(node, obj) {
|
|
158
|
if (!obj.documentation) {
|
|
159
|
obj.documentation = [];
|
|
160
|
}
|
|
161
|
var value = this.getChildValue(node);
|
|
162
|
obj.documentation.push({
|
|
163
|
lang: node.getAttribute("xml:lang"),
|
|
164
|
textContent: value.replace(this.regExes.trimSpace, "")
|
|
165
|
});
|
|
166
|
},
|
|
167
|
"simpleType": function(node, obj) {
|
|
168
|
this.readChildNodes(node, obj);
|
|
169
|
},
|
|
170
|
"restriction": function(node, obj) {
|
|
171
|
obj.base = node.getAttribute("base");
|
|
172
|
this.readRestriction(node, obj);
|
|
173
|
}
|
|
174
|
}
|
|
175
|
},
|
|
176
|
|
|
177
|
/**
|
|
178
|
* Method: readRestriction
|
|
179
|
* Reads restriction defined in the child nodes of a restriction element
|
|
180
|
*
|
|
181
|
* Parameters:
|
|
182
|
* node - {DOMElement} the node to parse
|
|
183
|
* obj - {Object} the object that receives the read result
|
|
184
|
*/
|
|
185
|
readRestriction: function(node, obj) {
|
|
186
|
var children = node.childNodes;
|
|
187
|
var child, nodeName, value;
|
|
188
|
for(var i=0, len=children.length; i<len; ++i) {
|
|
189
|
child = children[i];
|
|
190
|
if(child.nodeType == 1) {
|
|
191
|
nodeName = child.nodeName.split(":").pop();
|
|
192
|
value = child.getAttribute("value");
|
|
193
|
if(!obj[nodeName]) {
|
|
194
|
obj[nodeName] = value;
|
|
195
|
} else {
|
|
196
|
if(typeof obj[nodeName] == "string") {
|
|
197
|
obj[nodeName] = [obj[nodeName]];
|
|
198
|
}
|
|
199
|
obj[nodeName].push(value);
|
|
200
|
}
|
|
201
|
}
|
|
202
|
}
|
|
203
|
},
|
|
204
|
|
|
205
|
/**
|
|
206
|
* Method: read
|
|
207
|
*
|
|
208
|
* Parameters:
|
|
209
|
* data - {DOMElement|String} A WFS DescribeFeatureType document.
|
|
210
|
*
|
|
211
|
* Returns:
|
|
212
|
* {Object} An object representing the WFS DescribeFeatureType response.
|
|
213
|
*/
|
|
214
|
read: function(data) {
|
|
215
|
if(typeof data == "string") {
|
|
216
|
data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
|
|
217
|
}
|
|
218
|
if(data && data.nodeType == 9) {
|
|
219
|
data = data.documentElement;
|
|
220
|
}
|
|
221
|
var schema = {};
|
|
222
|
if (data.nodeName.split(":").pop() === 'ExceptionReport') {
|
|
223
|
// an exception must have occurred, so parse it
|
|
224
|
var parser = new OpenLayers.Format.OGCExceptionReport();
|
|
225
|
schema.error = parser.read(data);
|
|
226
|
} else {
|
|
227
|
this.readNode(data, schema);
|
|
228
|
}
|
|
229
|
return schema;
|
|
230
|
},
|
|
231
|
|
|
232
|
CLASS_NAME: "OpenLayers.Format.WFSDescribeFeatureType"
|
|
233
|
|
|
234
|
});
|