001/* 002 * Copyright 2012-2018 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.cli.command.install; 018 019import java.util.List; 020 021import joptsimple.OptionSet; 022 023import org.springframework.boot.cli.command.Command; 024import org.springframework.boot.cli.command.OptionParsingCommand; 025import org.springframework.boot.cli.command.options.CompilerOptionHandler; 026import org.springframework.boot.cli.command.status.ExitStatus; 027import org.springframework.boot.cli.util.Log; 028import org.springframework.util.Assert; 029 030/** 031 * {@link Command} to install additional dependencies into the CLI. 032 * 033 * @author Dave Syer 034 * @author Andy Wilkinson 035 * @since 1.2.0 036 */ 037public class InstallCommand extends OptionParsingCommand { 038 039 public InstallCommand() { 040 super("install", "Install dependencies to the lib/ext directory", 041 new InstallOptionHandler()); 042 } 043 044 @Override 045 public String getUsageHelp() { 046 return "[options] <coordinates>"; 047 } 048 049 private static final class InstallOptionHandler extends CompilerOptionHandler { 050 051 @Override 052 @SuppressWarnings("unchecked") 053 protected ExitStatus run(OptionSet options) throws Exception { 054 List<String> args = (List<String>) options.nonOptionArguments(); 055 Assert.notEmpty(args, "Please specify at least one " 056 + "dependency, in the form group:artifact:version, to install"); 057 try { 058 new Installer(options, this).install(args); 059 } 060 catch (Exception ex) { 061 String message = ex.getMessage(); 062 Log.error((message != null) ? message : ex.getClass().toString()); 063 } 064 return ExitStatus.OK; 065 } 066 067 } 068 069}