Files
openlayers/src/ol/parser/ogc/gml_v2.js
2013-05-15 14:50:37 +02:00

119 lines
4.1 KiB
JavaScript

goog.provide('ol.parser.ogc.GML_v2');
goog.require('goog.array');
goog.require('goog.object');
goog.require('ol.parser.ogc.GML');
/**
* @constructor
* @param {ol.parser.GML2Options=} opt_options Optional configuration object.
* @extends {ol.parser.ogc.GML}
*/
ol.parser.ogc.GML_v2 = function(opt_options) {
this.schemaLocation = 'http://www.opengis.net/gml ' +
'http://schemas.opengis.net/gml/2.1.2/feature.xsd';
goog.base(this, opt_options);
goog.object.extend(this.readers['http://www.opengis.net/gml'], {
'outerBoundaryIs': function(node, container) {
var coordinates = [];
this.readChildNodes(node, coordinates);
container['outer'] = coordinates[0][0];
},
'innerBoundaryIs': function(node, container) {
var coordinates = [];
this.readChildNodes(node, coordinates);
container.inner.push(coordinates[0][0]);
},
'Box': function(node, container) {
var coordinates = [];
this.readChildNodes(node, coordinates);
container.bounds = [coordinates[0][0][0], coordinates[0][1][0],
coordinates[0][0][1], coordinates[0][1][1]];
}
});
goog.object.extend(this.writers['http://www.opengis.net/gml'], {
'Point': function(geometry) {
var node = this.createElementNS('gml:Point');
this.writeNode('coordinates', [geometry.getCoordinates()], null, node);
return node;
},
'coordinates': function(coordinates) {
var numCoordinates = coordinates.length;
var parts = new Array(numCoordinates);
for (var i = 0; i < numCoordinates; ++i) {
var coord = coordinates[i];
var part = goog.array.concat(coord);
if (this.axisOrientation.substr(0, 2) !== 'en') {
part[0] = coord[1];
part[1] = coord[0];
}
parts[i] = part.join(',');
}
var value = parts.join(' ');
var node = this.createElementNS('gml:coordinates');
this.setAttributeNS(node, null, 'decimal', '.');
this.setAttributeNS(node, null, 'cs', ',');
this.setAttributeNS(node, null, 'ts', ' ');
node.appendChild(this.createTextNode(value));
return node;
},
'LineString': function(geometry) {
var node = this.createElementNS('gml:LineString');
this.writeNode('coordinates', geometry.getCoordinates(), null, node);
return node;
},
'Polygon': function(geometry) {
var node = this.createElementNS('gml:Polygon');
var coordinates = geometry.getCoordinates();
this.writeNode('outerBoundaryIs', coordinates[0], null, node);
for (var i = 1; i < coordinates.length; ++i) {
this.writeNode('innerBoundaryIs', coordinates[i], null, node);
}
return node;
},
'outerBoundaryIs': function(ring) {
var node = this.createElementNS('gml:outerBoundaryIs');
this.writeNode('LinearRing', ring, null, node);
return node;
},
'innerBoundaryIs': function(ring) {
var node = this.createElementNS('gml:innerBoundaryIs');
this.writeNode('LinearRing', ring, null, node);
return node;
},
'LinearRing': function(ring) {
var node = this.createElementNS('gml:LinearRing');
this.writeNode('coordinates', ring, null, node);
return node;
},
'Box': function(extent) {
var node = this.createElementNS('gml:Box');
this.writeNode('coordinates', [[extent.minX, extent.minY],
[extent.maxX, extent.maxY]], null, node);
// srsName attribute is optional for gml:Box
if (goog.isDef(this.srsName)) {
// TODO setAttribute or this.setAttributeNS
node.setAttribute('srsName', this.srsName);
}
return node;
}
});
};
goog.inherits(ol.parser.ogc.GML_v2, ol.parser.ogc.GML);
/**
* @param {Object} obj Object structure to write out as XML.
* @return {string} An string representing the XML document.
*/
ol.parser.ogc.GML_v2.prototype.write = function(obj) {
var root = this.writeNode('FeatureCollection', obj.features,
'http://www.opengis.net/wfs');
this.setAttributeNS(
root, 'http://www.w3.org/2001/XMLSchema-instance',
'xsi:schemaLocation', this.schemaLocation);
return this.serialize(root);
};