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Main.java
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Main.java
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/*
* Copyright (c) 2011, 2020, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.jpackage.main;
import jdk.jpackage.internal.Arguments;
import jdk.jpackage.internal.Log;
import jdk.jpackage.internal.CLIHelp;
import java.io.PrintWriter;
import java.util.ResourceBundle;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.text.MessageFormat;
public class Main {
private static final ResourceBundle I18N = ResourceBundle.getBundle(
"jdk.jpackage.internal.resources.MainResources");
/**
* main(String... args)
* This is the entry point for the jpackage tool.
*
* @param args command line arguments
*/
public static void main(String... args) throws Exception {
PrintWriter out = new PrintWriter(System.out);
PrintWriter err = new PrintWriter(System.err);
int status = new jdk.jpackage.main.Main().execute(out, err, args);
System.exit(status);
}
/**
* execute() - this is the entry point for the ToolProvider API.
*
* @param out output stream
* @param err error output stream
* @param args command line arguments
* @return an exit code. 0 means success, non-zero means an error occurred.
*/
public int execute(PrintWriter out, PrintWriter err, String... args) {
Log.setPrintWriter(out, err);
try {
String[] newArgs;
try {
newArgs = CommandLine.parse(args);
} catch (FileNotFoundException fnfe) {
Log.fatalError(MessageFormat.format(I18N.getString(
"ERR_CannotParseOptions"), fnfe.getMessage()));
return 1;
} catch (IOException ioe) {
Log.fatalError(ioe.getMessage());
return 1;
}
if (newArgs.length == 0) {
CLIHelp.showHelp(true);
} else if (hasHelp(newArgs)){
if (hasVersion(newArgs)) {
Log.info(System.getProperty("java.version") + "\n");
}
CLIHelp.showHelp(false);
} else if (hasVersion(newArgs)) {
Log.info(System.getProperty("java.version"));
} else {
Arguments arguments = new Arguments(newArgs);
if (!arguments.processArguments()) {
// processArguments() will log error message if failed.
return 1;
}
}
return 0;
} finally {
Log.flush();
}
}
private boolean hasHelp(String[] args) {
for (String a : args) {
if ("--help".equals(a) || "-h".equals(a)) {
return true;
}
}
return false;
}
private boolean hasVersion(String[] args) {
for (String a : args) {
if ("--version".equals(a)) {
return true;
}
}
return false;
}
}