1 /* 2 * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jpackager.main; 27 28 import jdk.jpackager.internal.Arguments; 29 import jdk.jpackager.internal.Log; 30 import jdk.jpackager.internal.CLIHelp; 31 import java.io.PrintWriter; 32 import java.util.ResourceBundle; 33 34 public class Main { 35 36 private static final ResourceBundle bundle = 37 ResourceBundle.getBundle("jdk.jpackager.internal.resources.Bundle"); 38 39 private static final String version = bundle.getString("MSG_Version") 40 + " " + System.getProperty("java.version") + "\n"; 41 42 /** 43 * main(String... args) 44 * This is the entry point for the jpackager tool. 45 * 46 * @param args command line arguments 47 */ 48 public static void main(String... args) throws Exception { 49 // Create logger with default system.out and system.err 50 Log.Logger logger = new Log.Logger(false); 51 Log.setLogger(logger); 52 53 int status = run(args); 54 System.exit(status); 55 } 56 57 /** 58 * run() - this is the entry point for the ToolProvider API. 59 * 60 * @param out output stream 61 * @param err error output stream 62 * @param args command line arguments 63 * @return an exit code. 0 means success, non-zero means an error occurred. 64 */ 65 public static int run(PrintWriter out, PrintWriter err, String... args) 66 throws Exception { 67 // Create logger with provided streams 68 Log.Logger logger = new Log.Logger(false); 69 logger.setPrintWriter(out, err); 70 Log.setLogger(logger); 71 72 int status = run(args); 73 Log.flush(); 74 return status; 75 } 76 77 private static int run(String... args) throws Exception { 78 if (args.length == 0) { 79 CLIHelp.showHelp(true); 80 } else if (hasHelp(args)){ 81 CLIHelp.showHelp(false); 82 } else if (args.length == 1 && args[0].equals("--version")) { 83 Log.info(version); 84 } else { 85 try { 86 Arguments arguments = new Arguments(args); 87 if (!arguments.processArguments()) { // processArguments() should log error message 88 // if failed. 89 return -1; 90 } 91 } catch (Exception e) { 92 if (Log.isVerbose()) { 93 Log.verbose(e); 94 } else { 95 Log.error(e.getMessage()); 96 if (e.getCause() != null && e.getCause() != e) { 97 Log.error(e.getCause().getMessage()); 98 } 99 } 100 return -1; 101 } 102 } 103 104 return 0; 105 } 106 107 private static boolean hasHelp(String[] args) { 108 for (String a : args) { 109 if ("--help".equals(a) || "-h".equals(a)) { 110 return true; 111 } 112 } 113 return false; 114 } 115 116 }