Package com.sun.tools.javac

Source Code of com.sun.tools.javac.Launcher

/*
* Copyright (c) 2006, 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 com.sun.tools.javac;

import java.io.File;
import java.util.prefs.Preferences;
import javax.swing.JFileChooser;
import javax.tools.JavaCompiler;
import javax.tools.ToolProvider;


/**
* <b>Unsupported</b> entry point for starting javac from an IDE.
*
* <p><b>Note:</b> this class is not available in the JDK.  It is not
* compiled by default and will not be in tools.jar.  It is designed
* to be useful when editing the compiler sources in an IDE (as part
* of a <em>project</em>).  Simply ensure that this class is added to
* the project and make it the main class of the project.</p>
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own
* risk.  This code and its internal interfaces are subject to change
* or deletion without notice.</b></p>
*
* @author Peter von der Ah&eacute;
* @since 1.6
*/
class Launcher {
    public static void main(String... args) {
        JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
        JFileChooser fileChooser;
        Preferences prefs = Preferences.userNodeForPackage(Launcher.class);
        if (args.length > 0)
            fileChooser = new JFileChooser(args[0]);
        else {
            String fileName = prefs.get("recent.file", null);
            fileChooser = new JFileChooser();
            if (fileName != null) {
                fileChooser = new JFileChooser();
                fileChooser.setSelectedFile(new File(fileName));
            }
        }
        if (fileChooser.showOpenDialog(null) == fileChooser.APPROVE_OPTION) {
            String fileName = fileChooser.getSelectedFile().getPath();
            prefs.put("recent.file", fileName);
            javac.run(System.in, null, null, "-d", "/tmp", fileName);
        }
    }
}
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