91 lines
3.0 KiB
Java
91 lines
3.0 KiB
Java
/*
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* Copyright (c) 1998, 2008, 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.extcheck;
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import java.io.*;
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/**
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* Main program of extcheck
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*/
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public final class Main {
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public static final String INSUFFICIENT = "Insufficient number of arguments";
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public static final String MISSING = "Missing <jar file> argument";
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public static final String DOES_NOT_EXIST = "Jarfile does not exist: ";
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public static final String EXTRA = "Extra command line argument: ";
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/**
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* Terminates with one of the following codes
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* 1 A newer (or same version) jar file is already installed
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* 0 No newer jar file was found
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* -1 An internal error occurred
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*/
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public static void main(String args[]) {
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try {
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realMain(args);
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} catch (Exception ex) {
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System.err.println(ex.getMessage());
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System.exit(-1);
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}
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}
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public static void realMain(String[] args) throws Exception {
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if (args.length < 1) {
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usage(INSUFFICIENT);
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}
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int argIndex = 0;
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boolean verboseFlag = false;
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if (args[argIndex].equals("-verbose")) {
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verboseFlag = true;
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argIndex++;
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if (argIndex >= args.length) {
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usage(MISSING);
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}
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}
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String jarName = args[argIndex];
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argIndex++;
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File jarFile = new File(jarName);
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if (!jarFile.exists()){
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usage(DOES_NOT_EXIST + jarName);
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}
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if (argIndex < args.length) {
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usage(EXTRA + args[argIndex]);
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}
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ExtCheck jt = ExtCheck.create(jarFile,verboseFlag);
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boolean result = jt.checkInstalledAgainstTarget();
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if (result) {
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System.exit(0);
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} else {
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System.exit(1);
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}
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}
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private static void usage(String msg) throws Exception {
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throw new Exception(msg + "\nUsage: extcheck [-verbose] <jar file>");
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}
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}
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