source: Dev/branches/rest-dojo-ui/client/dojox/wire/ml/XmlHandler.js @ 256

dojo.provide("dojox.wire.ml.XmlHandler");

dojo.require("dojox.wire.ml.RestHandler");
dojo.require("dojox.xml.parser");
dojo.require("dojox.wire._base");
dojo.require("dojox.wire.ml.util");


dojo.declare("dojox.wire.ml.XmlHandler", dojox.wire.ml.RestHandler, {
        //      summary:
        //              A REST service handler for XML
        //      description:
        //              This class provides XML handling for a REST service.
        contentType: "text/xml",
        handleAs: "xml",

        _getContent: function(/*String*/method, /*Array*/parameters){
                //      description:
                //              If 'method' is "POST" or "PUT", the first parameter in
                //              'parameters' is used to generate an XML content.
                //      method:
                //              A method name
                //      parameters:
                //              An array of parameters
                //      returns:
                //              A request content
                var content = null;
                if(method == "POST" || method == "PUT"){
                        var p = parameters[0];
                        if(p){
                                if(dojo.isString(p)){
                                        content = p;
                                }else{
                                        var element = p;
                                        if(element instanceof dojox.wire.ml.XmlElement){
                                                element = element.element;
                                        }else if(element.nodeType === 9 /* DOCUMENT_NODE */){
                                                element = element.documentElement;
                                        }
                                        var declaration = "<?xml version=\"1.0\"?>"; // TODO: encoding?
                                        content = declaration + dojox.xml.parser.innerXML(element);
                                }
                        }
                }
                return content;
        },

        _getResult: function(/*Document*/data){
                //      summary:
                //              Extract a result
                //      description:
                //              A response data (XML Document) is returned wrapped with
                //              XmlElement.
                //      data:
                //              A response data returned by a service
                //      returns:
                //              A result object
                if(data){
                        data = new dojox.wire.ml.XmlElement(data);
                }
                return data;
        }
});