1 /*
   2  * Copyright (c) 2007, 2016, 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 com.sun.tools.javap;
  27 
  28 import java.io.PrintWriter;
  29 import java.util.spi.ToolProvider;
  30 
  31 /**
  32  *  Main entry point.
  33  *
  34  *  <p><b>This is NOT part of any supported API.
  35  *  If you write code that depends on this, you do so at your own risk.
  36  *  This code and its internal interfaces are subject to change or
  37  *  deletion without notice.</b>
  38  */
  39 public class Main {
  40     /**
  41      * Main entry point for the launcher.
  42      * Note: This method calls System.exit.
  43      * @param args command line arguments
  44      */
  45     public static void main(String[] args) {
  46         JavapTask t = new JavapTask();
  47         int rc = t.run(args);
  48         System.exit(rc);
  49     }
  50 
  51     /**
  52      * Entry point that does <i>not</i> call System.exit.
  53      * @param args command line arguments
  54      * @param out output stream
  55      * @return an exit code. 0 means success, non-zero means an error occurred.
  56      */
  57     public static int run(String[] args, PrintWriter out) {
  58         JavapTask t = new JavapTask();
  59         t.setLog(out);
  60         return t.run(args);
  61     }
  62 
  63     public static class JavapToolProvider implements ToolProvider {
  64         public String name() {
  65             return "javap";
  66         }
  67 
  68         public int run(PrintWriter out, PrintWriter err, String... args) {
  69             return Main.run(args, out);
  70         }
  71     }
  72 }