Subversion Repositories Applications.papyrus

/*
        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) {
        if (url) {
                this.connect(url);
        }
};
dojo.lang.extend(dojo.rpc.RpcService, {strictArgChecks:true, serviceUrl:"", parseResults:function (obj) {
        return obj;
}, errorCallback:function (deferredRequestHandler) {
        return function (type, e) {
                deferredRequestHandler.errback(new Error(e.message));
        };
}, resultCallback:function (deferredRequestHandler) {
        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 (method, parameters, url) {
        return dojo.lang.hitch(this, function () {
                var deferredRequestHandler = new dojo.Deferred();
                if ((this.strictArgChecks) && (parameters != null) && (arguments.length != parameters.length)) {
                        dojo.raise("Invalid number of parameters for remote method.");
                } else {
                        this.bind(method, arguments, deferredRequestHandler, url);
                }
                return deferredRequestHandler;
        });
}, processSmd:function (object) {
        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 (smdUrl) {
        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});
}});