adding a format to parsing OGC service exceptions (WMS 1.1 WMS 1.3 WFS 1.0 and OWSCommon 1.0 and 1.1) and hooking it up into the GetCapabilities parsers, r=tschaub (closes #2234)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@12074 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2011-06-08 14:39:12 +00:00
parent 9d5ab38fc0
commit 2b04fd6c34
15 changed files with 505 additions and 17 deletions
@@ -0,0 +1,91 @@
+/* Copyright (c) 2006-2011 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.OWSCommon
+ * Read OWSCommon. Create a new instance with the <OpenLayers.Format.OWSCommon>
+ *     constructor.
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Format.XML>
+ */
+OpenLayers.Format.OWSCommon = OpenLayers.Class(OpenLayers.Format.XML, {
+    
+    /**
+     * APIProperty: defaultVersion
+     * {String} Version number to assume if none found.  Default is "1.0.0".
+     */
+    defaultVersion: "1.0.0",
+    
+    /**
+     * APIProperty: version
+     * {String} Specify a version string if one is known.
+     */
+    version: null,
+    
+    /**
+     * Property: parser
+     * {Object} Instance of the versioned parser.  Cached for multiple read and
+     *     write calls of the same version.
+     */
+    parser: null,
+
+    /**
+     * Constructor: OpenLayers.Format.OWSCommon
+     * Create a new parser for OWSCommon.
+     *
+     * Parameters:
+     * options - {Object} An optional object whose properties will be set on
+     *     this instance.
+     */
+
+    /**
+     * APIMethod: read
+     * Read an OWSCommon document and return an object.
+     *
+     * Parameters:
+     * data - {String | DOMElement} Data to read.
+     * options - {Object} Options for the reader.
+     *
+     * Returns:
+     * {Object} An object representing the structure of the document.
+     */
+    read: function(data, options) {
+        if(typeof data == "string") {
+            data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
+        }
+        var root = data.documentElement;
+        var version = this.version;
+        if(!version) {
+            // remember version does not correspond to the OWS version
+            // it corresponds to the WMS/WFS/WCS etc. request version
+            var uri = root.getAttribute("xmlns:ows");
+            if (uri.substring(uri.lastIndexOf("/")+1) === "1.1") {
+                version ="1.1.0";
+            } 
+            if(!version) {
+                version = this.defaultVersion;
+            }
+        }
+        if(!this.parser || this.parser.VERSION != version) {
+            var format = OpenLayers.Format.OWSCommon[
+                "v" + version.replace(/\./g, "_")
+            ];
+            if(!format) {
+                throw "Can't find a OWSCommon parser for version " +
+                      version;
+            }
+            this.parser = new format(this.options);
+        }
+        var ows = this.parser.read(data, options);
+        return ows;
+    },
+
+    CLASS_NAME: "OpenLayers.Format.OWSCommon" 
+});