1 files changed, 148 insertions, 0 deletions
diff --git a/js/dojo/dojox/wire/ml/RestHandler.js b/js/dojo/dojox/wire/ml/RestHandler.js
new file mode 100644
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+++ b/js/dojo/dojox/wire/ml/RestHandler.js
@@ -0,0 +1,148 @@
+//>>built
+// wrapped by build app
+define("dojox/wire/ml/RestHandler", ["dijit","dojo","dojox","dojo/require!dojox/wire/_base,dojox/wire/ml/util"], function(dijit,dojo,dojox){
+dojo.provide("dojox.wire.ml.RestHandler");
+
+dojo.require("dojox.wire._base");
+dojo.require("dojox.wire.ml.util");
+
+dojo.declare("dojox.wire.ml.RestHandler", null, {
+	//	summary:
+	//		A REST service handler
+	//	description:
+	//		This class serves as a base REST service.
+	//		Sub-classes may override _getContent() and _getResult() to handle
+	//		specific content types.
+	contentType: "text/plain",
+	handleAs: "text",
+
+	bind: function(method, parameters, deferred, url){
+		//	summary:
+		//		Call a service method with parameters.
+		//	description:
+		//		A service is called with a URL generated by _getUrl() and
+		//		an HTTP method specified with 'method'.
+		//		For "POST" and "PUT", a content is generated by _getContent().
+		//		When data is loaded, _getResult() is used to pass the result to
+		//		Deferred.callback().
+		//	method:
+		//		A method name
+		//	parameters:
+		//		An array of parameters
+		//	deferred:
+		//		'Deferred'
+		//	url:
+		//		A URL for the method
+		method = method.toUpperCase();
+		var self = this;
+		var args = {
+			url: this._getUrl(method, parameters, url),
+			contentType: this.contentType,
+			handleAs: this.handleAs,
+			headers: this.headers,
+			preventCache: this.preventCache
+		};
+		var d = null;
+		if(method == "POST"){
+			args.postData = this._getContent(method, parameters);
+			d = dojo.rawXhrPost(args);
+		}else if(method == "PUT"){
+			args.putData = this._getContent(method, parameters);
+			d = dojo.rawXhrPut(args);
+		}else if(method == "DELETE"){
+			d = dojo.xhrDelete(args);
+		}else{ // "GET"
+			d = dojo.xhrGet(args);
+		}
+		d.addCallbacks(function(result){
+			deferred.callback(self._getResult(result));
+		}, function(error){
+			deferred.errback(error);
+		});
+	},
+
+	_getUrl: function(/*String*/method, /*Array*/parameters, /*String*/url){
+		//	summary:
+		//		Generate a URL
+		//	description:
+		//		If 'method' is "GET" or "DELETE", a query string is generated
+		//		from a query object specified to the first parameter in
+		//		'parameters' and appended to 'url'.
+		//		If 'url' contains variable seguments ("{parameter_name}"),
+		//		they are replaced with corresponding parameter values, instead.
+		//	method:
+		//		A method name
+		//	parameters:
+		//		An array of parameters
+		//	url:
+		//		A base URL
+		//	returns:
+		//		A URL
+		var query;
+		if(method == "GET" || method == "DELETE"){
+			if(parameters.length > 0){
+				query = parameters[0];
+			}
+		}else{ // "POST" || "PUT"
+			if(parameters.length > 1){
+				query = parameters[1];
+			}
+		}
+		if(query){
+			var queryString = "";
+			for(var name in query){
+				var value = query[name];
+				if(value){
+					value = encodeURIComponent(value);
+					var variable = "{" + name + "}";
+					var index = url.indexOf(variable);
+					if(index >= 0){ // encode in path
+						url = url.substring(0, index) + value + url.substring(index + variable.length);
+					}else{ // encode as query string
+						if(queryString){
+							queryString += "&";
+						}
+						queryString += (name + "=" + value);
+					}
+				}
+			}
+			if(queryString){
+				url += "?" + queryString;
+			}
+		}
+		return url; //String
+	},
+
+	_getContent: function(/*String*/method, /*Array*/parameters){
+		//	summary:
+		//		Generate a request content
+		//	description:
+		//		If 'method' is "POST" or "PUT", the first parameter in
+		//		'parameters' is returned.
+		//	method:
+		//		A method name
+		//	parameters:
+		//		An array of parameters
+		//	returns:
+		//		A request content
+		if(method == "POST" || method == "PUT"){
+			return (parameters ? parameters[0] : null); //anything
+		}else{
+			return null; //null
+		}
+	},
+
+	_getResult: function(/*anything*/data){
+		//	summary:
+		//		Extract a result
+		//	description:
+		//		A response data is returned as is.
+		//	data:
+		//		A response data returned by a service
+		//	returns:
+		//		A result object
+		return data; //anything
+	}
+});
+
+});