415aca4763
git-svn-id: http://svn.openlayers.org/trunk/openlayers@11652 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
90 lines
2.6 KiB
JavaScript
90 lines
2.6 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.WMSCapabilities
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* Read WMS Capabilities.
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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.WMSCapabilities = 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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* APIProperty: profile
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* {String} If provided, use a custom profile.
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*
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* Currently supported profiles:
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* - WMSC - parses vendor specific capabilities for WMS-C.
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*/
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profile: null,
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/**
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* Property: parser
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* {<OpenLayers.Format>} A cached versioned format used for reading.
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*/
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parser: null,
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/**
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* Constructor: OpenLayers.Format.WMSCapabilities
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* Create a new parser for WMS capabilities.
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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 capabilities data from a string, and return a list of layers.
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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} List of named layers.
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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 || root.getAttribute("version") || this.defaultVersion;
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var profile = this.profile ? "_" + this.profile : "";
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if(!this.parser || this.parser.version !== version) {
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var constr = OpenLayers.Format.WMSCapabilities[
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"v" + version.replace(/\./g, "_") + profile
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];
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if(!constr) {
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throw "Can't find a WMS capabilities parser for version " +
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version + profile;
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}
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this.parser = new constr(this.options);
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}
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var capabilities = this.parser.read(data);
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capabilities.version = version;
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return capabilities;
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},
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CLASS_NAME: "OpenLayers.Format.WMSCapabilities"
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});
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