| /******************************************************************************* |
| * 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. |
| *******************************************************************************/ |
| package org.apache.ofbiz.base.start; |
| |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| /** |
| * OFBiz startup class. |
| * |
| * <p> |
| * This class implements a thread-safe state machine. The design is critical |
| * for reliable starting and stopping of the server. |
| * </p> |
| * <p> |
| * The machine's current state and state changes must be encapsulated in this |
| * class. Client code may query the current state, but it may not change it. |
| * </p> |
| * <p> |
| * This class uses a singleton pattern to guarantee that only one server instance |
| * is running in the VM. Client code retrieves the instance by using the |
| * <tt>getInstance()</tt> static method. |
| * </p> |
| */ |
| public final class Start { |
| |
| private Config config = null; |
| private final AtomicReference<ServerState> serverState = new AtomicReference<ServerState>(ServerState.STARTING); |
| |
| // Singleton, do not change |
| private static final Start instance = new Start(); |
| private Start() { |
| } |
| |
| /** |
| * main is the entry point to execute high level OFBiz commands |
| * such as starting, stopping or checking the status of the server. |
| * |
| * @param args: The commands for OFBiz |
| */ |
| public static void main(String[] args) { |
| List<StartupCommand> ofbizCommands = null; |
| try { |
| ofbizCommands = StartupCommandUtil.parseOfbizCommands(args); |
| } catch (StartupException e) { |
| // incorrect arguments passed to the command line |
| StartupCommandUtil.highlightAndPrintErrorMessage(e.getMessage()); |
| StartupCommandUtil.printOfbizStartupHelp(System.err); |
| System.exit(1); |
| } |
| |
| CommandType commandType = determineCommandType(ofbizCommands); |
| if(!commandType.equals(CommandType.HELP)) { |
| instance.config = StartupControlPanel.init(ofbizCommands); |
| } |
| switch (commandType) { |
| case HELP: |
| StartupCommandUtil.printOfbizStartupHelp(System.out); |
| break; |
| case STATUS: |
| System.out.println("Current Status : " + AdminClient.requestStatus(instance.config)); |
| break; |
| case SHUTDOWN: |
| System.out.println("Shutting down server : " + AdminClient.requestShutdown(instance.config)); |
| break; |
| case START: |
| try { |
| StartupControlPanel.start(instance.config, instance.serverState, ofbizCommands); |
| } catch (StartupException e) { |
| StartupControlPanel.fullyTerminateSystem(e); |
| } |
| break; |
| } |
| } |
| |
| /** |
| * Returns the <code>Start</code> instance. |
| */ |
| public static Start getInstance() { |
| return instance; |
| } |
| |
| /** |
| * Returns the server's main configuration. |
| */ |
| public Config getConfig() { |
| return this.config; |
| } |
| |
| /** |
| * Returns the server's current state. |
| */ |
| public ServerState getCurrentState() { |
| return serverState.get(); |
| } |
| |
| /** |
| * This enum contains the possible OFBiz server states. |
| */ |
| public enum ServerState { |
| STARTING, RUNNING, STOPPING; |
| |
| @Override |
| public String toString() { |
| return name().charAt(0) + name().substring(1).toLowerCase(); |
| } |
| } |
| |
| private static CommandType determineCommandType(List<StartupCommand> ofbizCommands) { |
| if (ofbizCommands.stream().anyMatch( |
| command -> command.getName().equals(StartupCommandUtil.StartupOption.HELP.getName()))) { |
| return CommandType.HELP; |
| } else if (ofbizCommands.stream().anyMatch( |
| command -> command.getName().equals(StartupCommandUtil.StartupOption.STATUS.getName()))) { |
| return CommandType.STATUS; |
| } else if (ofbizCommands.stream().anyMatch( |
| command -> command.getName().equals(StartupCommandUtil.StartupOption.SHUTDOWN.getName()))) { |
| return CommandType.SHUTDOWN; |
| } else { |
| return CommandType.START; |
| } |
| } |
| |
| private enum CommandType { |
| HELP, STATUS, SHUTDOWN, START |
| } |
| } |