More trip planner testing with colors
[busui.git] / labs / openlayers / lib / OpenLayers / Format / WMSCapabilities.js
blob:a/labs/openlayers/lib/OpenLayers/Format/WMSCapabilities.js -> blob:b/labs/openlayers/lib/OpenLayers/Format/WMSCapabilities.js
--- a/labs/openlayers/lib/OpenLayers/Format/WMSCapabilities.js
+++ b/labs/openlayers/lib/OpenLayers/Format/WMSCapabilities.js
@@ -1,1 +1,82 @@
+/* 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.WMSCapabilities
+ * Read WMS Capabilities.
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Format.XML>
+ */
+OpenLayers.Format.WMSCapabilities = 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,
+    
+    /**
+     * Property: parser
+     * {<OpenLayers.Format>} A cached versioned format used for reading.
+     */
+    parser: null,
+
+    /**
+     * Constructor: OpenLayers.Format.WMSCapabilities
+     * Create a new parser for WMS capabilities.
+     *
+     * 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 capabilities data from a string, and return a list of layers. 
+     * 
+     * Parameters: 
+     * data - {String} or {DOMElement} data to read/parse.
+     *
+     * Returns:
+     * {Array} List of named layers.
+     */
+    read: function(data) {
+        if(typeof data == "string") {
+            data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
+        }
+        var root = data.documentElement;
+        var version = this.version || root.getAttribute("version") || this.defaultVersion;
+        if(!this.parser || this.parser.version !== version) {
+            var constr = OpenLayers.Format.WMSCapabilities[
+                "v" + version.replace(/\./g, "_")
+            ];
+            if(!constr) {
+                throw "Can't find a WMS capabilities parser for version " + version;
+            }
+            this.parser = new constr(this.options);
+        }
+        var capabilities = this.parser.read(data);
+        capabilities.version = version;
+        return capabilities;
+    },
+    
+    CLASS_NAME: "OpenLayers.Format.WMSCapabilities" 
+
+});