1 /*

     2  * Copyright (c) 2011, 2019, 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  * published by the Free Software Foundation.  Oracle designates this

     7  * particular file as subject to the "Classpath" exception as provided

     8  * by Oracle in the LICENSE file that accompanied this code.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    21  * or visit www.oracle.com if you need additional information or have any

    22  * questions.

    23  */

    24 

    25 package jdk.jpackage.main;

    26 

    27 import jdk.jpackage.internal.Arguments;

    28 import jdk.jpackage.internal.Log;

    29 import jdk.jpackage.internal.CLIHelp;

    30 import java.io.PrintWriter;

    31 import java.util.ResourceBundle;

    32 import java.io.FileNotFoundException;

    33 import java.io.IOException;

    34 import java.text.MessageFormat;

    35 

    36 public class Main {

    37 

    38     private static final ResourceBundle I18N = ResourceBundle.getBundle(

    39             "jdk.jpackage.internal.resources.MainResources");

    40 

    41     /**

    42      * main(String... args)

    43      * This is the entry point for the jpackage tool.

    44      *

    45      * @param args command line arguments

    46      */

    47     public static void main(String... args) throws Exception {

    48         // Create logger with default system.out and system.err

    49         Log.setLogger(null);

    50 

    51         int status = new jdk.jpackage.main.Main().execute(args);

    52         System.exit(status);

    53     }

    54 

    55     /**

    56      * execute() - this is the entry point for the ToolProvider API.

    57      *

    58      * @param out output stream

    59      * @param err error output stream

    60      * @param args command line arguments

    61      * @return an exit code. 0 means success, non-zero means an error occurred.

    62      */

    63     public int execute(PrintWriter out, PrintWriter err, String... args) {

    64         // Create logger with provided streams

    65         Log.Logger logger = new Log.Logger();

    66         logger.setPrintWriter(out, err);

    67         Log.setLogger(logger);

    68 

    69         return execute(args);

    70     }

    71 

    72     private int execute(String... args) {

    73         Log.info(I18N.getString("warning.experimental"));

    74         try {

    75             String[] newArgs;

    76             try {

    77                 newArgs = CommandLine.parse(args);

    78             } catch (FileNotFoundException fnfe) {

    79                 Log.error(MessageFormat.format(I18N.getString(

    80                         "ERR_CannotParseOptions"), fnfe.getMessage()));

    81                 return 1;

    82             } catch (IOException ioe) {

    83                 Log.error(ioe.getMessage());

    84                 return 1;

    85             }

    86 

    87             if (newArgs.length == 0) {

    88                 CLIHelp.showHelp(true);

    89             } else if (hasHelp(newArgs)){

    90                 if (hasVersion(newArgs)) {

    91                     Log.info(System.getProperty("java.version") + "\n");

    92                 }

    93                 CLIHelp.showHelp(false);

    94             } else if (hasVersion(newArgs)) {

    95                 Log.info(System.getProperty("java.version"));

    96             } else {

    97                 Arguments arguments = new Arguments(newArgs);

    98                 if (!arguments.processArguments()) {

    99                     // processArguments() will log error message if failed.

   100                     return 1;

   101                 }

   102             }

   103             return 0;

   104         } finally {

   105             Log.flush();

   106         }

   107     }

   108 

   109     private boolean hasHelp(String[] args) {

   110         for (String a : args) {

   111             if ("--help".equals(a) || "-h".equals(a)) {

   112                 return true;

   113             }

   114         }

   115         return false;

   116     }

   117 

   118     private boolean hasVersion(String[] args) {

   119         for (String a : args) {

   120             if ("--version".equals(a)) {

   121                 return true;

   122             }

   123         }

   124         return false;

   125     }

   126 

   127 }