/*

  @test

  @bug 4932376

  @summary verifies that data transfer within one JVM works correctly if

           the transfer data was created with a custom class loader.

  @author das@sparc.spb.su area=datatransfer

  @library ../../regtesthelpers

  @build TransferableList AnotherInterface CopyClassFile CustomClassLoaderTransferTest

  @run main CopyClassFile -r ListInterface subdir/

  @run main CopyClassFile -r TransferableList subdir/

  @run main CustomClassLoaderTransferTest

*/

import java.awt.*;

import java.awt.datatransfer.*;

import java.io.*;

import java.net.URL;

import java.net.URLClassLoader;

public class CustomClassLoaderTransferTest {

    public static class DFTransferable implements Transferable {

        private final DataFlavor df;

        private final Object obj;

        public DFTransferable(DataFlavor df, Object obj) {

            this.df = df;

            this.obj = obj;

        }

        @Override

        public Object getTransferData(DataFlavor flavor)

          throws UnsupportedFlavorException, IOException {

            if (df.equals(flavor)) {

                return obj;

            } else {

                throw new UnsupportedFlavorException(flavor);

            }

        }

        @Override

        public DataFlavor[] getTransferDataFlavors(){

            return new DataFlavor[] { df };

        }

        @Override

        public boolean isDataFlavorSupported(DataFlavor flavor) {

            return df.equals(flavor);

        }

    }

    public static void main(String[] args) throws Exception {

        Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();

        URL url = new File("./subdir/").toURL();

        ClassLoader classLoader = new URLClassLoader(new URL[] { url },

                CustomClassLoaderTransferTest.class.getClassLoader());

        Class clazz = Class.forName("TransferableList", true, classLoader);

        DataFlavor df = new DataFlavor(clazz, "Transferable List");

        Object obj = clazz.newInstance();

        Transferable t = new DFTransferable(df, obj);

        c.setContents(t, null);

        Transferable ct = c.getContents(null);

        ct.getTransferData(df);

    }

}