lib/dojo/rpc/RpcService.js

   1 /*
   2         Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 if(!dojo._hasResource["dojo.rpc.RpcService"]){
   9 dojo._hasResource["dojo.rpc.RpcService"]=true;
  10 dojo.provide("dojo.rpc.RpcService");
  11 dojo.declare("dojo.rpc.RpcService",null,{constructor:function(_1){
  12 if(_1){
  13 if((dojo.isString(_1))||(_1 instanceof dojo._Url)){
  14 if(_1 instanceof dojo._Url){
  15 var _2=_1+"";
  16 }else{
  17 _2=_1;
  18 }
  19 var _3=dojo.xhrGet({url:_2,handleAs:"json-comment-optional",sync:true});
  20 _3.addCallback(this,"processSmd");
  21 _3.addErrback(function(){
  22 throw new Error("Unable to load SMD from "+_1);
  23 });
  24 }else{
  25 if(_1.smdStr){
  26 this.processSmd(dojo.eval("("+_1.smdStr+")"));
  27 }else{
  28 if(_1.serviceUrl){
  29 this.serviceUrl=_1.serviceUrl;
  30 }
  31 this.timeout=_1.timeout||3000;
  32 if("strictArgChecks" in _1){
  33 this.strictArgChecks=_1.strictArgChecks;
  34 }
  35 this.processSmd(_1);
  36 }
  37 }
  38 }
  39 },strictArgChecks:true,serviceUrl:"",parseResults:function(_4){
  40 return _4;
  41 },errorCallback:function(_5){
  42 return function(_6){
  43 _5.errback(_6.message);
  44 };
  45 },resultCallback:function(_7){
  46 var tf=dojo.hitch(this,function(_8){
  47 if(_8.error!=null){
  48 var _9;
  49 if(typeof _8.error=="object"){
  50 _9=new Error(_8.error.message);
  51 _9.code=_8.error.code;
  52 _9.error=_8.error.error;
  53 }else{
  54 _9=new Error(_8.error);
  55 }
  56 _9.id=_8.id;
  57 _9.errorObject=_8;
  58 _7.errback(_9);
  59 }else{
  60 _7.callback(this.parseResults(_8));
  61 }
  62 });
  63 return tf;
  64 },generateMethod:function(_a,_b,_c){
  65 return dojo.hitch(this,function(){
  66 var _d=new dojo.Deferred();
  67 if((this.strictArgChecks)&&(_b!=null)&&(arguments.length!=_b.length)){
  68 throw new Error("Invalid number of parameters for remote method.");
  69 }else{
  70 this.bind(_a,dojo._toArray(arguments),_d,_c);
  71 }
  72 return _d;
  73 });
  74 },processSmd:function(_e){
  75 if(_e.methods){
  76 dojo.forEach(_e.methods,function(m){
  77 if(m&&m.name){
  78 this[m.name]=this.generateMethod(m.name,m.parameters,m.url||m.serviceUrl||m.serviceURL);
  79 if(!dojo.isFunction(this[m.name])){
  80 throw new Error("RpcService: Failed to create"+m.name+"()");
  81 }
  82 }
  83 },this);
  84 }
  85 this.serviceUrl=_e.serviceUrl||_e.serviceURL;
  86 this.required=_e.required;
  87 this.smd=_e;
  88 }});
  89 }