langtools/src/jdk.jdeps/share/classes/com/sun/tools/jdeps/Main.java
author jjg
Fri, 07 Oct 2016 16:49:39 -0700
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permissions -rw-r--r--
8159855: Create an SPI for tools Reviewed-by: mchung
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/*
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 * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package com.sun.tools.jdeps;
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import java.io.*;
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import java.util.spi.ToolProvider;
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/**
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 *
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 * Usage:
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 *    jdeps [options] files ...
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 * where options include:
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 *    -p package-name   restrict analysis to classes in this package
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 *                      (may be given multiple times)
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 *    -e regex          restrict analysis to packages matching pattern
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 *                      (-p and -e are exclusive)
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 *    -v                show class-level dependencies
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 *                      default: package-level dependencies
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 *    -r --recursive    transitive dependencies analysis
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 *    -classpath paths  Classpath to locate class files
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 *    -all              process all class files in the given classpath
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 */
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public class Main {
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    public static void main(String... args) throws Exception {
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        JdepsTask t = new JdepsTask();
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        int rc = t.run(args);
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        System.exit(rc);
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    }
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    /**
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     * Entry point that does <i>not</i> call System.exit.
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     *
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     * @param args command line arguments
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     * @param out output stream
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     * @return an exit code. 0 means success, non-zero means an error occurred.
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     */
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    public static int run(String[] args, PrintWriter out) {
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        JdepsTask t = new JdepsTask();
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        t.setLog(out);
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        return t.run(args);
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    }
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    public static class JDepsToolProvider implements ToolProvider {
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        public String name() {
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            return "jdeps";
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        }
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        public int run(PrintWriter out, PrintWriter err, String... args) {
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            return Main.run(args, out);
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        }
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    }
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}