jdk/test/java/awt/dnd/DragInterceptorAppletTest/DragInterceptorFrame.java
changeset 24563 33eb483cebec
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/dnd/DragInterceptorAppletTest/DragInterceptorFrame.java	Thu May 15 20:09:38 2014 +0400
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2007, 2014, 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.
+ *
+ * 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.
+ */
+
+import java.awt.*;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.UnsupportedFlavorException;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.awt.dnd.*;
+import java.io.IOException;
+import java.security.Permission;
+import java.security.AccessControlException;
+
+class DragInterceptorFrame extends Frame implements DropTargetListener {
+
+    private static int exitMessage = InterprocessMessages.TEST_PASSED;
+    private static boolean dataIsAccessible = false;
+    private static boolean exceptionHasBeenThrown = false;
+
+    DragInterceptorFrame(Point location) {
+        System.setSecurityManager(new ClipboardDefender());
+        initGUI(location);
+        setDropTarget(new DropTarget(this, DnDConstants.ACTION_COPY,
+                this));
+    }
+
+    private void initGUI(Point location) {
+        this.setLocation(location);
+        this.addWindowListener(new WindowAdapter() {
+            public void windowClosing(WindowEvent e) {
+                DragInterceptorFrame.this.dispose();
+            }
+        });
+        setSize (200, 200);
+        this.setVisible(true);
+    }
+
+    public void dragEnter(DropTargetDragEvent dtde) {
+        // We want to set the exception handler on EDT
+        Thread.currentThread().setUncaughtExceptionHandler (
+            new Thread.UncaughtExceptionHandler() {
+                public void uncaughtException(Thread t, Throwable e) {
+                    exceptionHasBeenThrown = true;
+                }
+            }
+        );
+        examineTransferable(dtde);
+    }
+
+    public void dragOver(DropTargetDragEvent dtde) {
+        examineTransferable(dtde);
+    }
+
+    public void dropActionChanged(DropTargetDragEvent dtde) {
+        examineTransferable(dtde);
+    }
+
+    public void dragExit(DropTargetEvent dte) {}
+
+    public void drop(DropTargetDropEvent dtde) {
+
+        if (dataIsAccessible && !exceptionHasBeenThrown) {
+            exitMessage = InterprocessMessages.DATA_WAS_INTERCEPTED_AND_EXCEPTION_HANDLER_WAS_NOT_TRIGGERED;
+        } else if (dataIsAccessible) {
+            exitMessage = InterprocessMessages.DATA_WAS_INTERCEPTED;
+        } else if (!exceptionHasBeenThrown) {
+            exitMessage = InterprocessMessages.EXCEPTION_HANDLER_WAS_NOT_TRIGGERED;
+        }
+
+        // This returns the diagnostic code from the child VM
+        System.exit(exitMessage);
+    }
+
+    Point getDropTargetPoint() {
+        return new Point((int)getLocationOnScreen().getX()+(getWidth()/2),
+                (int)getLocationOnScreen().getY()+(getHeight()/2));
+    }
+
+    private void examineTransferable(DropTargetDragEvent dtde) {
+        if (dtde.getCurrentDataFlavorsAsList().contains(DataFlavor.stringFlavor)) {
+            dtde.acceptDrag(DnDConstants.ACTION_COPY);
+            try{
+                if (null != dtde.getTransferable().getTransferData(DataFlavor.stringFlavor)) {
+                    dataIsAccessible = true;
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+                exitMessage = InterprocessMessages.UNEXPECTED_IO_EXCEPTION;
+            } catch (UnsupportedFlavorException e) {
+                e.printStackTrace();
+                exitMessage = InterprocessMessages.UNEXPECTED_UNSUPPORTED_FLAVOR_EXCEPTION;
+            }
+        }
+    }
+
+    static class ClipboardDefender extends SecurityManager {
+        public void checkPermission(Permission p) {
+           if (p instanceof java.awt.AWTPermission &&
+                   p.getName().equals("accessClipboard")) {
+               throw new AccessControlException("access denied ");
+           }
+        }
+    }
+
+    public static void main(String[] args) {
+        new DragInterceptorFrame(new Point(200,200));
+    }
+}