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/*
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License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id$
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*/
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/**
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* Stores a Web Feature (WFS) Capabilities document as defined by the
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* Open Geospatial Consortium (http://opengis.org).
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*
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* @constructor
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* @author Mike Adair
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* @param modelNode The model's XML object node from the configuration document.
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* @param parent The model object that this widget belongs to.
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*/
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function WfsCapabilities(modelNode, parent) {
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// Inherit the ModelBase functions and parameters
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ModelBase.apply(this, new Array(modelNode, parent));
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this.namespace = "xmlns:wfs='http://www.opengis.net/wfs'";
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/**
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* Returns the serverUrl for the WFS request passed in with the specified
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* HTTP method from the capabilities doc.
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* @param requestName the WFS request to get the URL for
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* @param method http method for the request
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* @param feature ignored for WFS docs
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* @return URL for the specified request with the specified method
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*/
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this.getServerUrl = function(requestName, method, feature) {
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var xpath = "/wfs:WFS_Capabilities/wfs:Capability/wfs:Request/"+requestName;
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if (method.toLowerCase() == "post") {
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xpath += "/wfs:DCPType/wfs:HTTP/wfs:Post";
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} else {
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xpath += "/wfs:DCPType/wfs:HTTP/wfs:Get";
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}
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return this.doc.selectSingleNode(xpath).getAttribute("onlineResource");
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}
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/**
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* Returns the version for the WFS
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* @return the WFS version
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*/
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this.getVersion = function() {
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var xpath = "/wfs:WFS_Capabilities";
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return this.doc.selectSingleNode(xpath).getAttribute("version");
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}
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/**
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* Get HTTP method used to retreive this model
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* @return the HTTP method
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*/
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this.getMethod = function() {
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return this.method;
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}
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/**
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* Returns the featureType node with the specified name from the list of nodes
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* selected by the nodeSelectXpath from the capabilities doc.
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* @param featureName name of the featureType to look up
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* @return the featureType node with the specified name.
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*/
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this.getFeatureNode = function(featureName) {
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return this.doc.selectSingleNode(this.nodeSelectXpath+"[wfs:Name='"+featureName+"']");
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}
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}
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