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修正WFS服务1.1.0版本的GetCapabilities信息解析问题


修正WFS服务1.1.0版本的GetCapabilities信息解析不完正的问题:

参考:http://trac.osgeo.org/openlayers/ticket/3285

/**
 * @requires OpenLayers/Format/WFSCapabilities.js
 * @requires OpenLayers/Format/OWSCommon/v1_1_0.js
 */

/**
 * Class: OpenLayers.Format.WFSCapabilities/v1_1_0
 * Read WFS Capabilities version 1.1.0.
 * 
 * Inherits from:
 *  - <OpenLayers.Format.WFSCapabilities>
 */
OpenLayers.Format.WFSCapabilities.v1_1_0 = OpenLayers.Class(
    OpenLayers.Format.OWSCommon.v1_1_0, {
    
    /**
     * Property: version
     * {String} The parser version ("1.1.0").
     */
    version: "1.1.0",

    /**
     * Property: namespaces
     * {Object} Mapping of namespace aliases to namespace URIs.
     */
    namespaces: {
        ows: "http://www.opengis.net/ows",
        wfs: "http://www.opengis.net/wfs",
        xlink: "http://www.w3.org/1999/xlink"
    },
    
    /**
     * Property: defaultPrefix
     * {String} The default namespace alias for creating element nodes.
     */
    defaultPrefix: "wfs",

    /**
     * Constructor: OpenLayers.Format.WFSCapabilities.v1_1_0
     * Create a new parser for WFS capabilities version 1.1.0.
     *
     * 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 info about the WFS.
     * 
     * Parameters: 
     * data - {String} or {DOMElement} data to read/parse.
     *
     * Returns:
     * {Object} Information about the WFS service.
     */
    read: function(data) {
        if(typeof data == "string") {
            data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
         }
        if(data && data.nodeType == 9) {
            data = data.documentElement;
        }
        var capabilities = {};
        this.readNode(data, capabilities);
        capabilities.version = this.version;
        return capabilities;
    },
    
    /**
     * Property: readers
     * Contains public functions, grouped by namespace prefix, that will
     *     be applied when a namespaced node is found matching the function
     *     name.  The function will be applied in the scope of this parser
     *     with two arguments: the node being read and a context object passed
     *     from the parent.
     */
    readers: {
        "wfs": {
            "WFS_Capabilities": function(node, obj) {
                this.readChildNodes(node, obj);
            },
            "FeatureTypeList": function(node, obj) {
                obj.featureTypeList = {};
                obj.featureTypeList.featureTypes = [];
                this.readChildNodes(node, obj.featureTypeList);
            },
            "FeatureType": function(node, obj) {
                var featureType = {
                };
                this.readChildNodes(node, featureType);
                obj.featureTypes.push(featureType);
            },
            "Name": function(node, obj) {
                var name = this.getChildValue(node);
                if (name) {
                    var parts = name.split(":");
                    obj.name = parts.pop();
                    if (parts.length > 0) {
                        obj.featureNS = this.lookupNamespaceURI(node, parts[0]);
                    }
                }
            },
            "Title": function(node, obj) {
              obj.title = this.getChildValue(node);
            },
            "FeatureNS": function(node, obj) {
              obj.featureNS = this.getChildValue(node);
            },
            "DefaultSRS": function(node, obj) {
                var defaultSRS = this.getChildValue(node);
                if (defaultSRS) {
                    obj.defaultSrs = defaultSRS;
                }
            },
            "OutputFormats": function(node, obj) {
                obj.outputFormats = [];
                this.readChildNodes(node, obj.outputFormats);
            },
            "Format": function(node, obj) {
                obj.push(this.getChildValue(node));
            }
        },
        "ows": OpenLayers.Format.OWSCommon.v1_1_0.prototype.readers["ows"]
    },
    
    CLASS_NAME: "OpenLayers.Format.WFSCapabilities.v1_1_0" 

});

 

转载自:https://blog.csdn.net/zhangjie617/article/details/6602651