New build scripts

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5282 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/web/scripts/ajax/dojo/src/rpc/RpcService.js

@@ -0,0 +1,122 @@
+/*
+	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.RpcService");
+dojo.require("dojo.io.*");
+dojo.require("dojo.json");
+dojo.require("dojo.lang.func");
+dojo.require("dojo.Deferred");
+
+dojo.rpc.RpcService = function(url){
+	// summary
+	// constructor for rpc base class
+	if(url){
+		this.connect(url);
+	}
+}
+
+dojo.lang.extend(dojo.rpc.RpcService, {
+
+	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
+		return obj;
+	},
+
+	errorCallback: function(/* dojo.Deferred */ deferredRequestHandler){
+		// summary
+		// create callback that calls the Deferres errback method
+		return function(type, e){
+			deferredRequestHandler.errback(new Error(e.message));
+		}
+	},
+
+	resultCallback: function(/* dojo.Deferred */ deferredRequestHandler){
+		// summary
+		// create callback that calls the Deferred's callback method
+		var tf = dojo.lang.hitch(this, 
+			function(type, obj, e){
+				if (obj["error"]!=null) {
+					var err = new Error(obj.error);
+					err.id = obj.id;
+					deferredRequestHandler.errback(err);
+				} else {
+					var results = this.parseResults(obj);
+					deferredRequestHandler.callback(results); 
+				}
+			}
+		);
+		return tf;
+	},
+
+
+	generateMethod: function(/*string*/ method, /*array*/ parameters, /*string*/ url){
+		// summary
+		// generate the local bind methods for the remote object
+		return dojo.lang.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
+				dojo.raise("Invalid number of parameters for remote method.");
+			} else {
+				this.bind(method, arguments, deferredRequestHandler, url);
+			}
+
+			return deferredRequestHandler;
+		});
+	},
+
+	processSmd: function(/*json*/ object){
+		// summary
+		// callback method for reciept of a smd object.  Parse the smd and
+		// generate functions based on the description
+		dojo.debug("RpcService: Processing returned SMD.");
+		if(object.methods){
+			dojo.lang.forEach(object.methods, function(m){
+				if(m && m["name"]){
+					dojo.debug("RpcService: Creating Method: this.", m.name, "()");
+					this[m.name] = this.generateMethod(	m.name,
+														m.parameters, 
+														m["url"]||m["serviceUrl"]||m["serviceURL"]);
+					if(dojo.lang.isFunction(this[m.name])){
+						dojo.debug("RpcService: Successfully created", m.name, "()");
+					}else{
+						dojo.debug("RpcService: Failed to create", m.name, "()");
+					}
+				}
+			}, this);
+		}
+
+		this.serviceUrl = object.serviceUrl||object.serviceURL;
+		dojo.debug("RpcService: Dojo RpcService is ready for use.");
+	},
+
+	connect: function(/*String*/ smdUrl){
+		// summary
+		// connect to a remote url and retrieve a smd object
+		dojo.debug("RpcService: Attempting to load SMD document from:", smdUrl);
+		dojo.io.bind({
+			url: smdUrl,
+			mimetype: "text/json",
+			load: dojo.lang.hitch(this, function(type, object, e){ return this.processSmd(object); }),
+			sync: true
+		});		
+	}
+});