/*

 * 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 Ahé

 * @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) == JFileChooser.APPROVE_OPTION) {

            String fileName = fileChooser.getSelectedFile().getPath();

            prefs.put("recent.file", fileName);

            javac.run(System.in, null, null, "-d", "/tmp", fileName);

        }

    }

}