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+define("dojo/rpc/RpcService", ["../main", "../_base/url"], function(dojo) {
+ // module:
+ // dojo/rpc/RpcService
+ // summary:
+ // TODOC
+
+
+dojo.declare("dojo.rpc.RpcService", null, {
+ constructor: function(args){
+ //summary:
+ //Take a string as a url to retrieve an smd or an object that is an smd or partial smd to use
+ //as a definition for the service
+ //
+ // args: object
+ // Takes a number of properties as kwArgs for defining the service. It also
+ // accepts a string. When passed a string, it is treated as a url from
+ // which it should synchronously retrieve an smd file. Otherwise it is a kwArgs
+ // object. It accepts serviceUrl, to manually define a url for the rpc service
+ // allowing the rpc system to be used without an smd definition. strictArgChecks
+ // forces the system to verify that the # of arguments provided in a call
+ // matches those defined in the smd. smdString allows a developer to pass
+ // a jsonString directly, which will be converted into an object or alternatively
+ // smdObject is accepts an smdObject directly.
+ //
+ if(args){
+ //if the arg is a string, we assume it is a url to retrieve an smd definition from
+ if( (dojo.isString(args)) || (args instanceof dojo._Url)){
+ if (args instanceof dojo._Url){
+ var url = args + "";
+ }else{
+ url = args;
+ }
+ var def = dojo.xhrGet({
+ url: url,
+ handleAs: "json-comment-optional",
+ sync: true
+ });
+
+ def.addCallback(this, "processSmd");
+ def.addErrback(function() {
+ throw new Error("Unable to load SMD from " + args);
+ });
+
+ }else if(args.smdStr){
+ this.processSmd(dojo.eval("("+args.smdStr+")"));
+ }else{
+ // otherwise we assume it's an arguments object with the following
+ // (optional) properties:
+ // - serviceUrl
+ // - strictArgChecks
+ // - smdStr
+ // - smdObj
+
+ if(args.serviceUrl){
+ this.serviceUrl = args.serviceUrl;
+ }
+
+ this.timeout = args.timeout || 3000;
+
+ if("strictArgChecks" in args){
+ this.strictArgChecks = args.strictArgChecks;
+ }
+
+ this.processSmd(args);
+ }
+ }
+ },
+
+ strictArgChecks: true,
+ serviceUrl: "",
+
+ parseResults: function(obj){
+ // summary:
+ // parse the results coming back from an rpc request. this
+ // base implementation, just returns the full object
+ // subclasses should parse and only return the actual results
+ // obj: Object
+ // Object that is the return results from an rpc request
+ return obj;
+ },
+
+ errorCallback: function(/* dojo.Deferred */ deferredRequestHandler){
+ // summary:
+ // create callback that calls the Deferres errback method
+ // deferredRequestHandler: Deferred
+ // The deferred object handling a request.
+ return function(data){
+ deferredRequestHandler.errback(data.message);
+ };
+ },
+
+ resultCallback: function(/* dojo.Deferred */ deferredRequestHandler){
+ // summary:
+ // create callback that calls the Deferred's callback method
+ // deferredRequestHandler: Deferred
+ // The deferred object handling a request.
+
+ return dojo.hitch(this,
+ function(obj){
+ if(obj.error!=null){
+ var err;
+ if(typeof obj.error == 'object'){
+ err = new Error(obj.error.message);
+ err.code = obj.error.code;
+ err.error = obj.error.error;
+ }else{
+ err = new Error(obj.error);
+ }
+ err.id = obj.id;
+ err.errorObject = obj;
+ deferredRequestHandler.errback(err);
+ }else{
+ deferredRequestHandler.callback(this.parseResults(obj));
+ }
+ }
+ );
+ },
+
+ generateMethod: function(/*string*/ method, /*array*/ parameters, /*string*/ url){
+ // summary:
+ // generate the local bind methods for the remote object
+ // method: string
+ // The name of the method we are generating
+ // parameters: array
+ // the array of parameters for this call.
+ // url: string
+ // the service url for this call
+
+ return dojo.hitch(this, function(){
+ var deferredRequestHandler = new dojo.Deferred();
+
+ // if params weren't specified, then we can assume it's varargs
+ if( (this.strictArgChecks) &&
+ (parameters != null) &&
+ (arguments.length != parameters.length)
+ ){
+ // put error stuff here, no enough params
+ throw new Error("Invalid number of parameters for remote method.");
+ }else{
+ this.bind(method, dojo._toArray(arguments), deferredRequestHandler, url);
+ }
+
+ return deferredRequestHandler;
+ });
+ },
+
+ processSmd: function(object){
+ // summary:
+ // callback method for reciept of a smd object. Parse the smd
+ // and generate functions based on the description
+ // object:
+ // smd object defining this service.
+
+ if(object.methods){
+ dojo.forEach(object.methods, function(m){
+ if(m && m.name){
+ this[m.name] = this.generateMethod( m.name,
+ m.parameters,
+ m.url||m.serviceUrl||m.serviceURL);
+ if(!dojo.isFunction(this[m.name])){
+ throw new Error("RpcService: Failed to create" + m.name + "()");
+ /*console.log("RpcService: Failed to create", m.name, "()");*/
+ }
+ }
+ }, this);
+ }
+
+ this.serviceUrl = object.serviceUrl||object.serviceURL;
+ this.required = object.required;
+ this.smd = object;
+ }
+});
+
+return dojo.rpc.RpcService;
+});