001    /*
002     * Copyright 2007-2008 Sun Microsystems, Inc.  All Rights Reserved.
003     * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004     *
005     * This code is free software; you can redistribute it and/or modify it
006     * under the terms of the GNU General Public License version 2 only, as
007     * published by the Free Software Foundation.  Sun designates this
008     * particular file as subject to the "Classpath" exception as provided
009     * by Sun in the LICENSE file that accompanied this code.
010     *
011     * This code is distributed in the hope that it will be useful, but WITHOUT
012     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013     * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
014     * version 2 for more details (a copy is included in the LICENSE file that
015     * accompanied this code).
016     *
017     * You should have received a copy of the GNU General Public License version
018     * 2 along with this work; if not, write to the Free Software Foundation,
019     * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020     *
021     * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022     * CA 95054 USA or visit www.sun.com if you need additional information or
023     * have any questions.
024     */
025    
026    package com.sun.tools.javap;
027    
028    import java.io.PrintWriter;
029    
030    /**
031     *  Main entry point.
032     *
033     *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
034     *  you write code that depends on this, you do so at your own risk.
035     *  This code and its internal interfaces are subject to change or
036     *  deletion without notice.</b>
037     */
038    public class Main {
039        /**
040         * Main entry point for the launcher.
041         * Note: This method calls System.exit.
042         * @param args command line arguments
043         */
044        public static void main(String[] args) {
045            if (args.length >= 1 && args[0].equals("-Xold")) {
046                String[] nArgs = new String[args.length - 1];
047                System.arraycopy(args, 1, nArgs, 0, nArgs.length);
048                sun.tools.javap.Main.main(args);  // calls System.exit
049                System.exit(1);
050            }
051    
052            JavapTask t = new JavapTask();
053            int rc = t.run(args);
054            System.exit(rc);
055        }
056    
057        /**
058         * Entry point that does <i>not</i> call System.exit.
059         * @param args command line arguments
060         * @param out output stream
061         * @return an exit code. 0 means success, non-zero means an error occurred.
062         */
063        public static int run(String[] args, PrintWriter out) {
064            JavapTask t = new JavapTask();
065            t.setLog(out);
066            return t.run(args);
067        }
068    }