| /* |
| * 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.fluo.command; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Optional; |
| |
| import com.beust.jcommander.JCommander; |
| import com.beust.jcommander.ParameterException; |
| import com.google.common.collect.Iterables; |
| |
| public class FluoProgram { |
| |
| public static void main(String[] args) { |
| List<FluoCommand> fluoCommands = Arrays.asList(new FluoConfig(), new FluoExec(), |
| new FluoGetJars(), new FluoInit(), new FluoList(), new FluoOracle(), new FluoRemove(), |
| new FluoScan(), new FluoStatus(), new FluoWait(), new FluoWorker()); |
| try { |
| runFluoCommand(fluoCommands, args); |
| } catch (FluoCommandException | ParameterException e) { |
| System.exit(1); |
| } |
| } |
| |
| public static void runFluoCommand(List<FluoCommand> fluoCommands, String[] args) { |
| JCommander.Builder jCommanderBuilder = JCommander.newBuilder(); |
| fluoCommands.forEach(jCommanderBuilder::addCommand); |
| JCommander jcommand = jCommanderBuilder.build(); |
| |
| try { |
| jcommand.parse(args); |
| } catch (ParameterException e) { |
| System.err.println(e.getMessage()); |
| String commandName = Optional.ofNullable(jcommand.getParsedCommand()).orElse(""); |
| JCommander parsedJCommandOrProgram = |
| Optional.ofNullable(jcommand.findCommandByAlias(commandName)).orElse(jcommand); |
| parsedJCommandOrProgram.setProgramName(String.format("fluo %s", commandName)); |
| parsedJCommandOrProgram.usage(); |
| throw e; |
| } |
| |
| String parsedCommandType = jcommand.getParsedCommand(); |
| JCommander parsedJCommand = jcommand.findCommandByAlias(parsedCommandType); |
| String programName = String.format("fluo %s", parsedCommandType); |
| parsedJCommand.setProgramName(programName); |
| FluoCommand parsedFluoCommand = |
| (FluoCommand) Iterables.getOnlyElement(parsedJCommand.getObjects()); |
| |
| if (parsedFluoCommand.isHelp()) { |
| parsedJCommand.usage(); |
| return; |
| } |
| |
| try { |
| parsedFluoCommand.execute(); |
| } catch (FluoCommandException e) { |
| System.err.println(String.format("%s failed - %s", programName, e.getMessage())); |
| throw e; |
| } |
| } |
| } |