| /** |
| * @license |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations under the License. |
| */ |
| |
| /** |
| * @fileoverview Base OSAPI binding. |
| * This file was copied from |
| * http://svn.apache.org/repos/asf/shindig/trunk/features/src/main/javascript/features/shindig.container/osapi.js |
| * and it's slightly modified for Closure. |
| */ |
| |
| goog.provide('goog.osapi'); |
| |
| |
| // Expose osapi from container side. |
| var osapi = osapi || {}; |
| goog.exportSymbol('osapi', osapi); |
| |
| |
| /** @type {Function} */ |
| osapi.callback; |
| |
| |
| /** |
| * Dispatch a JSON-RPC batch request to services defined in the osapi namespace |
| * @param {Array<Object>} requests an array of rpc requests. |
| */ |
| goog.osapi.handleGadgetRpcMethod = function(requests) { |
| var responses = new Array(requests.length); |
| var callCount = 0; |
| var callback = osapi.callback; |
| var dummy = function(params, apiCallback) { |
| apiCallback({}); |
| }; |
| for (var i = 0; i < requests.length; i++) { |
| // Don't allow underscores in any part of the method name as a |
| // convention for restricted methods |
| var current = osapi; |
| if (requests[i]['method'].indexOf('_') == -1) { |
| var path = requests[i]['method'].split('.'); |
| for (var j = 0; j < path.length; j++) { |
| if (current.hasOwnProperty(path[j])) { |
| current = current[path[j]]; |
| } else { |
| // No matching api |
| current = dummy; |
| break; |
| } |
| } |
| } else { |
| current = dummy; |
| } |
| |
| // Execute the call and latch the rpc callback until all |
| // complete |
| current(requests[i]['params'], function(i) { |
| return function(response) { |
| // Put back in json-rpc format |
| responses[i] = {'id': requests[i].id, 'data': response}; |
| callCount++; |
| if (callCount == requests.length) { |
| callback(responses); |
| } |
| }; |
| }(i)); |
| } |
| }; |
| |
| |
| /** |
| * Initializes container side osapi binding. |
| */ |
| goog.osapi.init = function() { |
| // Container-side binding for the gadgetsrpctransport used by osapi. |
| // Containers add services to the client-side osapi implementation by |
| // defining them in the osapi namespace |
| if (gadgets && gadgets.rpc) { // Only define if gadgets rpc exists. |
| // Register the osapi RPC dispatcher. |
| gadgets.rpc.register('osapi._handleGadgetRpcMethod', |
| /** @type {!Function} */ (goog.osapi.handleGadgetRpcMethod)); |
| } |
| }; |