| /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for | |
| * full list of contributors). Published under the Clear BSD license. | |
| * See http://svn.openlayers.org/trunk/openlayers/license.txt for the | |
| * full text of the license. */ | |
| /** | |
| * @requires OpenLayers/Format/XML.js | |
| */ | |
| /** | |
| * Class: OpenLayers.Format.WMSDescribeLayer | |
| * Read SLD WMS DescribeLayer response | |
| * DescribeLayer is meant to couple WMS to WFS and WCS | |
| * | |
| * Inherits from: | |
| * - <OpenLayers.Format.XML> | |
| */ | |
| OpenLayers.Format.WMSDescribeLayer = OpenLayers.Class(OpenLayers.Format.XML, { | |
| /** | |
| * APIProperty: defaultVersion | |
| * {String} Version number to assume if none found. Default is "1.1.1". | |
| */ | |
| defaultVersion: "1.1.1", | |
| /** | |
| * APIProperty: version | |
| * {String} Specify a version string if one is known. | |
| */ | |
| version: null, | |
| /** | |
| * Constructor: OpenLayers.Format.WMSDescribeLayer | |
| * Create a new parser for WMS DescribeLayer responses. | |
| * | |
| * Parameters: | |
| * options - {Object} An optional object whose properties will be set on | |
| * this instance. | |
| */ | |
| initialize: function(options) { | |
| OpenLayers.Format.XML.prototype.initialize.apply(this, [options]); | |
| this.options = options; | |
| }, | |
| /** | |
| * APIMethod: read | |
| * Read DescribeLayer data from a string, and return the response. | |
| * The OGC currently defines 2 formats which are allowed for output, | |
| * so we need to parse these 2 types | |
| * | |
| * Parameters: | |
| * data - {String} or {DOMElement} data to read/parse. | |
| * | |
| * Returns: | |
| * {Array} Array of {<LayerDescription>} objects which have: | |
| * - {String} owsType: WFS/WCS | |
| * - {String} owsURL: the online resource | |
| * - {String} typeName: the name of the typename on the service | |
| */ | |
| read: function(data) { | |
| if(typeof data == "string") { | |
| data = OpenLayers.Format.XML.prototype.read.apply(this, [data]); | |
| } | |
| var root = data.documentElement; | |
| var version = this.version; | |
| if(!version) { | |
| version = root.getAttribute("version"); | |
| if(!version) { | |
| version = this.defaultVersion; | |
| } | |
| } | |
| // these are identical to us, but some WMS use 1.1.1 and some use 1.1.0 | |
| if (version == "1.1.1" || version == "1.1.0") { | |
| version = "1.1"; | |
| } | |
| var constructor = OpenLayers.Format.WMSDescribeLayer[ | |
| "v" + version.replace(/\./g, "_") | |
| ]; | |
| if(!constructor) { | |
| throw "Can't find a WMS DescribeLayer parser for version " + | |
| version; | |
| } | |
| var parser = new constructor(this.options); | |
| var describelayer = parser.read(data); | |
| describelayer.version = version; | |
| return describelayer; | |
| }, | |
| CLASS_NAME: "OpenLayers.Format.WMSDescribeLayer" | |
| }); | |