415aca4763
git-svn-id: http://svn.openlayers.org/trunk/openlayers@11652 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
88 lines
2.7 KiB
JavaScript
88 lines
2.7 KiB
JavaScript
/* Copyright (c) 2006-2011 by OpenLayers Contributors (see authors.txt for
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* full list of contributors). Published under the Clear BSD license.
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* See http://svn.openlayers.org/trunk/openlayers/license.txt for the
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* full text of the license. */
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/**
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* @requires OpenLayers/Format/XML.js
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*/
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/**
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* Class: OpenLayers.Format.WMSDescribeLayer
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* Read SLD WMS DescribeLayer response
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* DescribeLayer is meant to couple WMS to WFS and WCS
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*
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* Inherits from:
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* - <OpenLayers.Format.XML>
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*/
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OpenLayers.Format.WMSDescribeLayer = OpenLayers.Class(OpenLayers.Format.XML, {
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/**
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* APIProperty: defaultVersion
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* {String} Version number to assume if none found. Default is "1.1.1".
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*/
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defaultVersion: "1.1.1",
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/**
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* APIProperty: version
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* {String} Specify a version string if one is known.
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*/
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version: null,
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/**
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* Constructor: OpenLayers.Format.WMSDescribeLayer
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* Create a new parser for WMS DescribeLayer responses.
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*
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* Parameters:
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* options - {Object} An optional object whose properties will be set on
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* this instance.
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*/
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/**
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* APIMethod: read
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* Read DescribeLayer data from a string, and return the response.
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* The OGC currently defines 2 formats which are allowed for output,
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* so we need to parse these 2 types
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*
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* Parameters:
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* data - {String} or {DOMElement} data to read/parse.
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*
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* Returns:
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* {Array} Array of {<LayerDescription>} objects which have:
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* - {String} owsType: WFS/WCS
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* - {String} owsURL: the online resource
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* - {String} typeName: the name of the typename on the service
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*/
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read: function(data) {
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if(typeof data == "string") {
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data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
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}
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var root = data.documentElement;
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var version = this.version;
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if(!version) {
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version = root.getAttribute("version");
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if(!version) {
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version = this.defaultVersion;
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}
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}
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// these are identical to us, but some WMS use 1.1.1 and some use 1.1.0
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if (version == "1.1.1" || version == "1.1.0") {
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version = "1.1";
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}
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var constructor = OpenLayers.Format.WMSDescribeLayer[
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"v" + version.replace(/\./g, "_")
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];
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if(!constructor) {
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throw "Can't find a WMS DescribeLayer parser for version " +
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version;
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}
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var parser = new constructor(this.options);
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var describelayer = parser.read(data);
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describelayer.version = version;
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return describelayer;
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},
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CLASS_NAME: "OpenLayers.Format.WMSDescribeLayer"
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});
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