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/*
* Copyright 1998-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.tools.extcheck;
import java.io.*;
/**
* Main program of extcheck
*/
public final class Main {
public static final String INSUFFICIENT = "Insufficient number of arguments";
public static final String MISSING = "Missing <jar file> argument";
public static final String DOES_NOT_EXIST = "Jarfile does not exist: ";
public static final String EXTRA = "Extra command line argument: ";
/**
* Terminates with one of the following codes
* 1 A newer (or same version) jar file is already installed
* 0 No newer jar file was found
* -1 An internal error occurred
*/
public static void main(String args[]) {
try {
realMain(args);
} catch (Exception ex) {
System.err.println(ex.getMessage());
System.exit(-1);
}
}
public static void realMain(String[] args) throws Exception {
if (args.length < 1) {
usage(INSUFFICIENT);
}
int argIndex = 0;
boolean verboseFlag = false;
if (args[argIndex].equals("-verbose")) {
verboseFlag = true;
argIndex++;
if (argIndex >= args.length) {
usage(MISSING);
}
}
String jarName = args[argIndex];
argIndex++;
File jarFile = new File(jarName);
if (!jarFile.exists()){
usage(DOES_NOT_EXIST + jarName);
}
if (argIndex < args.length) {
usage(EXTRA + args[argIndex]);
}
ExtCheck jt = ExtCheck.create(jarFile,verboseFlag);
boolean result = jt.checkInstalledAgainstTarget();
if (result) {
System.exit(0);
} else {
System.exit(1);
}
}
private static void usage(String msg) throws Exception {
throw new Exception(msg + "\nUsage: extcheck [-verbose] <jar file>");
}
}
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