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alexandre_ |
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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dojo.provide("dojo.rpc.RpcService");
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dojo.require("dojo.io.*");
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dojo.require("dojo.json");
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dojo.require("dojo.lang.func");
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dojo.require("dojo.Deferred");
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dojo.rpc.RpcService = function (url) {
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if (url) {
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this.connect(url);
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}
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};
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dojo.lang.extend(dojo.rpc.RpcService, {strictArgChecks:true, serviceUrl:"", parseResults:function (obj) {
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return obj;
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}, errorCallback:function (deferredRequestHandler) {
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return function (type, e) {
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deferredRequestHandler.errback(new Error(e.message));
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};
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}, resultCallback:function (deferredRequestHandler) {
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var tf = dojo.lang.hitch(this, function (type, obj, e) {
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if (obj["error"] != null) {
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var err = new Error(obj.error);
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err.id = obj.id;
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deferredRequestHandler.errback(err);
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} else {
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var results = this.parseResults(obj);
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deferredRequestHandler.callback(results);
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}
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});
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return tf;
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}, generateMethod:function (method, parameters, url) {
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return dojo.lang.hitch(this, function () {
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var deferredRequestHandler = new dojo.Deferred();
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if ((this.strictArgChecks) && (parameters != null) && (arguments.length != parameters.length)) {
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dojo.raise("Invalid number of parameters for remote method.");
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} else {
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this.bind(method, arguments, deferredRequestHandler, url);
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}
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return deferredRequestHandler;
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});
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}, processSmd:function (object) {
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dojo.debug("RpcService: Processing returned SMD.");
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if (object.methods) {
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dojo.lang.forEach(object.methods, function (m) {
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if (m && m["name"]) {
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dojo.debug("RpcService: Creating Method: this.", m.name, "()");
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this[m.name] = this.generateMethod(m.name, m.parameters, m["url"] || m["serviceUrl"] || m["serviceURL"]);
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if (dojo.lang.isFunction(this[m.name])) {
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dojo.debug("RpcService: Successfully created", m.name, "()");
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} else {
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dojo.debug("RpcService: Failed to create", m.name, "()");
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}
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}
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}, this);
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}
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this.serviceUrl = object.serviceUrl || object.serviceURL;
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dojo.debug("RpcService: Dojo RpcService is ready for use.");
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}, connect:function (smdUrl) {
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dojo.debug("RpcService: Attempting to load SMD document from:", smdUrl);
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dojo.io.bind({url:smdUrl, mimetype:"text/json", load:dojo.lang.hitch(this, function (type, object, e) {
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return this.processSmd(object);
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}), sync:true});
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}});
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