1/*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25  @test
26  @key headful
27  @bug 4682039
28  @summary Tests that DataTransferer.getFormatsForFlavors() does not throw
29           NullPointerException if some of given as parameter data flavors
30           are null.
31  @author gas@sparc.spb.su area=datatransfer
32  @run main NullDataFlavorTest
33*/
34
35import java.awt.*;
36import java.awt.datatransfer.Clipboard;
37import java.awt.datatransfer.DataFlavor;
38import java.awt.datatransfer.Transferable;
39import java.awt.datatransfer.UnsupportedFlavorException;
40
41public class NullDataFlavorTest {
42
43    private final static Clipboard clipboard =
44        Toolkit.getDefaultToolkit().getSystemClipboard();
45
46    public static void main(String[] args) throws Exception {
47        boolean failed = false;
48
49        try {
50            clipboard.setContents(new NullSelection("DATA1",
51                new DataFlavor[] { null, null, null }), null);
52            clipboard.setContents(new NullSelection("DATA2",
53                new DataFlavor[] { null, DataFlavor.stringFlavor, null }), null);
54            clipboard.setContents(new NullSelection("DATA3", null), null);
55        } catch (NullPointerException e) {
56            failed = true;
57            e.printStackTrace();
58        } catch (Throwable e) {
59            e.printStackTrace();
60        }
61
62        if (failed) {
63            throw new RuntimeException("test failed: NullPointerException " +
64            "has been thrown");
65        } else {
66            System.err.println("test passed");
67        }
68    }
69}
70
71class NullSelection implements Transferable {
72
73    private final DataFlavor[] flavors;
74
75    private final String data;
76
77    public NullSelection(String data, DataFlavor[] flavors) {
78        this.data = data;
79        this.flavors = flavors;
80    }
81
82    @Override
83    public DataFlavor[] getTransferDataFlavors() {
84        return flavors;
85    }
86
87    @Override
88    public boolean isDataFlavorSupported(DataFlavor flavor) {
89        for (DataFlavor fl : flavors) {
90            if (flavor.equals(fl)) {
91                return true;
92            }
93        }
94        return false;
95    }
96
97    @Override
98    public Object getTransferData(DataFlavor flavor)
99        throws UnsupportedFlavorException, java.io.IOException
100    {
101        for (DataFlavor fl : flavors) {
102            if (flavor.equals(fl)) {
103                return data;
104            }
105        }
106        throw new UnsupportedFlavorException(flavor);
107    }
108
109}
110