001    /*
002     * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
003     * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004     *
005     * This code is free software; you can redistribute it and/or modify it
006     * under the terms of the GNU General Public License version 2 only, as
007     * published by the Free Software Foundation.  Sun designates this
008     * particular file as subject to the "Classpath" exception as provided
009     * by Sun in the LICENSE file that accompanied this code.
010     *
011     * This code is distributed in the hope that it will be useful, but WITHOUT
012     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013     * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
014     * version 2 for more details (a copy is included in the LICENSE file that
015     * accompanied this code).
016     *
017     * You should have received a copy of the GNU General Public License version
018     * 2 along with this work; if not, write to the Free Software Foundation,
019     * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020     *
021     * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022     * CA 95054 USA or visit www.sun.com if you need additional information or
023     * have any questions.
024     */
025    
026    package com.sun.tools.javac;
027    
028    import java.io.File;
029    import java.util.prefs.Preferences;
030    import javax.swing.JFileChooser;
031    import javax.tools.JavaCompiler;
032    import javax.tools.ToolProvider;
033    
034    
035    /**
036     * <b>Unsupported</b> entry point for starting javac from an IDE.
037     *
038     * <p><b>Note:</b> this class is not available in the JDK.  It is not
039     * compiled by default and will not be in tools.jar.  It is designed
040     * to be useful when editing the compiler sources in an IDE (as part
041     * of a <em>project</em>).  Simply ensure that this class is added to
042     * the project and make it the main class of the project.</p>
043     *
044     * <p><b>This is NOT part of any API supported by Sun Microsystems.
045     * If you write code that depends on this, you do so at your own
046     * risk.  This code and its internal interfaces are subject to change
047     * or deletion without notice.</b></p>
048     *
049     * @author Peter von der Ah&eacute;
050     * @since 1.6
051     */
052    class Launcher {
053        public static void main(String... args) {
054            JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
055            JFileChooser fileChooser;
056            Preferences prefs = Preferences.userNodeForPackage(Launcher.class);
057            if (args.length > 0)
058                fileChooser = new JFileChooser(args[0]);
059            else {
060                String fileName = prefs.get("recent.file", null);
061                fileChooser = new JFileChooser();
062                if (fileName != null) {
063                    fileChooser = new JFileChooser();
064                    fileChooser.setSelectedFile(new File(fileName));
065                }
066            }
067            if (fileChooser.showOpenDialog(null) == fileChooser.APPROVE_OPTION) {
068                String fileName = fileChooser.getSelectedFile().getPath();
069                prefs.put("recent.file", fileName);
070                javac.run(System.in, null, null, "-d", "/tmp", fileName);
071            }
072        }
073    }