/*	Copyright (c) 2004-2006, The Dojo Foundation	All Rights Reserved.	Licensed under the Academic Free License version 2.1 or above OR the	modified BSD license. For more information on Dojo licensing, see:		http://dojotoolkit.org/community/licensing.shtml*/dojo.provide("dojo.rpc.JsonService");dojo.require("dojo.rpc.RpcService");dojo.require("dojo.io.*");dojo.require("dojo.json");dojo.require("dojo.lang");dojo.rpc.JsonService = function(args){	// passing just the URL isn't terribly useful. It's expected that at	// various times folks will want to specify:	//	- just the serviceUrl (for use w/ remoteCall())	//	- the text of the SMD to evaluate	// 	- a raw SMD object	//	- the SMD URL	if(args){		if(dojo.lang.isString(args)){			// we assume it's an SMD file to be processed, since this was the			// earlier function signature			// FIXME: also accept dojo.uri.Uri objects?			this.connect(args);		}else{			// otherwise we assume it's an arguments object with the following			// (optional) properties:			//	- serviceUrl			//	- strictArgChecks			//	- smdUrl			//	- smdStr			//	- smdObj			if(args["smdUrl"]){				this.connect(args.smdUrl);			}			if(args["smdStr"]){				this.processSmd(dj_eval("("+args.smdStr+")"));			}			if(args["smdObj"]){				this.processSmd(args.smdObj);			}			if(args["serviceUrl"]){				this.serviceUrl = args.serviceUrl;			}			if(typeof args["strictArgChecks"] != "undefined"){				this.strictArgChecks = args.strictArgChecks;			}		}	}}dojo.inherits(dojo.rpc.JsonService, dojo.rpc.RpcService);dojo.lang.extend(dojo.rpc.JsonService, {	bustCache: false,		contentType: "application/json-rpc",	lastSubmissionId: 0,	callRemote: function(method, params){		var deferred = new dojo.rpc.Deferred();		this.bind(method, params, deferred);		return deferred;	},	bind: function(method, parameters, deferredRequestHandler, url){		dojo.io.bind({			url: url||this.serviceUrl,			postContent: this.createRequest(method, parameters),			method: "POST",			contentType: this.contentType,			mimetype: "text/json",			load: this.resultCallback(deferredRequestHandler),			preventCache:this.bustCache 		});	},	createRequest: function(method, params){		var req = { "params": params, "method": method, "id": ++this.lastSubmissionId };		var data = dojo.json.serialize(req);		dojo.debug("JsonService: JSON-RPC Request: " + data);		return data;	},	parseResults: function(obj){		if(!obj){ return; }		if(obj["Result"]||obj["result"]){			return obj["result"]||obj["Result"];		}else if(obj["ResultSet"]){			return obj["ResultSet"];		}else{			return obj;		}	}});