1 /*

     2  * Copyright (c) 2013, 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 import java.awt.datatransfer.DataFlavor;

    25 import java.awt.datatransfer.Transferable;

    26 import java.awt.datatransfer.UnsupportedFlavorException;

    27 import java.io.IOException;

    28 import java.net.URI;

    29 import java.util.List;

    30 

    31 class URIListTransferable implements Transferable {

    32 

    33     private final DataFlavor supportedFlavor;

    34 

    35     private List<URI> list;

    36 

    37     public URIListTransferable(List<URI> list) {

    38         try {

    39             this.supportedFlavor = new DataFlavor("text/uri-list;class=java.lang.String");

    40         } catch (ClassNotFoundException e) {

    41             throw new RuntimeException("FAILED: could not create a DataFlavor");

    42         }

    43         this.list = list;

    44     }

    45 

    46     public DataFlavor[] getTransferDataFlavors() {

    47         return new DataFlavor[] { supportedFlavor };

    48     }

    49 

    50     public boolean isDataFlavorSupported(DataFlavor flavor) {

    51         return supportedFlavor.equals(flavor);

    52     }

    53 

    54     public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {

    55         if (supportedFlavor.equals(flavor)) {

    56             return list.stream()

    57                     .map(URI::toASCIIString)

    58                     .collect(StringBuilder::new,

    59                              (builder, uri)-> { builder.append(uri).append("\r\n"); },

    60                              StringBuilder::append).toString();

    61         }

    62         throw new UnsupportedFlavorException(flavor);

    63     }

    64 }