--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/Launcher.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2006 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.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 API supported by Sun Microsystems.
+ * 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);
+        }
+    }
+}