Main.java revision 3688:7752e4f2a338 
1/*
2 * Copyright (c) 2012, 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
26package com.sun.tools.jdeps;
27
28import java.io.*;
29import java.util.spi.ToolProvider;
30
31/**
32 *
33 * Usage:
34 *    jdeps [options] files ...
35 * where options include:
36 *    -p package-name   restrict analysis to classes in this package
37 *                      (may be given multiple times)
38 *    -e regex          restrict analysis to packages matching pattern
39 *                      (-p and -e are exclusive)
40 *    -v                show class-level dependencies
41 *                      default: package-level dependencies
42 *    -r --recursive    transitive dependencies analysis
43 *    -classpath paths  Classpath to locate class files
44 *    -all              process all class files in the given classpath
45 */
46public class Main {
47    public static void main(String... args) throws Exception {
48        JdepsTask t = new JdepsTask();
49        int rc = t.run(args);
50        System.exit(rc);
51    }
52
53
54    /**
55     * Entry point that does <i>not</i> call System.exit.
56     *
57     * @param args command line arguments
58     * @param out output stream
59     * @return an exit code. 0 means success, non-zero means an error occurred.
60     */
61    public static int run(String[] args, PrintWriter out) {
62        JdepsTask t = new JdepsTask();
63        t.setLog(out);
64        return t.run(args);
65    }
66
67    public static class JDepsToolProvider implements ToolProvider {
68        public String name() {
69            return "jdeps";
70        }
71
72        public int run(PrintWriter out, PrintWriter err, String... args) {
73            return Main.run(args, out);
74        }
75    }
76}
77