Java tutorial
/* * Copyright (c) 2014. * * BaasBox - info@baasbox.com * * Licensed 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. */ package com.baasbox.service.scripting.js; import java.io.IOException; import jdk.nashorn.internal.runtime.ECMAErrors; import jdk.nashorn.internal.runtime.ECMAException; import org.apache.commons.lang3.exception.ExceptionUtils; import com.baasbox.BBConfiguration; import com.baasbox.commands.CommandRegistry; import com.baasbox.commands.exceptions.CommandException; import com.baasbox.db.DbHelper; import com.baasbox.service.events.EventsService; import com.baasbox.service.logging.BaasBoxLogger; import com.baasbox.service.scripting.ScriptingService; import com.baasbox.service.scripting.base.JsonCallback; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.node.ObjectNode; /** * * Created by Andrea Tortorella on 10/06/14. */ public class Api { public static String mainModule() { return ScriptingService.main(); } public static String execCommand(String commandStr, JsonCallback callback) { BaasBoxLogger.debug("Command to execute: " + commandStr); try { JsonNode node = Json.mapper().readTree(commandStr); if (!node.isObject()) { BaasBoxLogger.error("Command is not an object"); throw ECMAErrors.typeError("Invalid command"); } ObjectNode o = (ObjectNode) node; String main = mainModule(); if (main != null) { o.put("main", main); } JsonNode exec = CommandRegistry.execute(node, callback); String res = exec == null ? null : exec.toString(); BaasBoxLogger.debug("Command result: " + res); return res; } catch (IOException e) { BaasBoxLogger.error("IoError " + ExceptionUtils.getMessage(e), e); throw ECMAErrors.typeError(e, "Invalid command definition"); } catch (CommandException e) { BaasBoxLogger.error("CommandError: " + ExceptionUtils.getMessage(e), e); throw new ECMAException(ExceptionUtils.getMessage(e), e); } } public static String getBaasBoxVersion() { return BBConfiguration.getApiVersion(); } public static boolean isScriptLoggingActive() { return (EventsService.howManyScriptLoggerListener.get() > 0); } public static String currentUserName() { String currentUser = DbHelper.getCurrentHTTPUsername(); return currentUser; } public static void connectAsAdmin() { DbHelper.reconnectAsAdmin(); } public static void connectAsAuthenticatedUser() { DbHelper.reconnectAsAuthenticatedUser(); } public static Object require(String name) { return NashornEngine.getNashorn().require(name); } }