1 /*
   2  * Copyright (c) 2012, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javafx.embed.swt;
  27 
  28 import java.nio.ByteBuffer;
  29 
  30 import javafx.beans.NamedArg;
  31 import org.eclipse.swt.dnd.ByteArrayTransfer;
  32 import org.eclipse.swt.dnd.DND;
  33 import org.eclipse.swt.dnd.TransferData;
  34 
  35 /**
  36  * @since JavaFX 2.2
  37  *
  38  * @treatAsPrivate implementation detail
  39  * @deprecated This is an internal API that is not intended for use and will be removed in the next version
  40  */
  41 @Deprecated
  42 public class CustomTransfer extends ByteArrayTransfer {
  43     private String name, mime;
  44 
  45     public CustomTransfer (@NamedArg("name") String name, @NamedArg("mime") String mime) {
  46         this.name = name;
  47         this.mime = mime;
  48     }
  49 
  50     public String getName () {
  51         return name;
  52     }
  53 
  54     public String getMime () {
  55         return mime;
  56     }
  57 
  58     public void javaToNative (Object object, TransferData transferData) {
  59         if (!checkCustom(object) || !isSupportedType(transferData)) {
  60             DND.error(DND.ERROR_INVALID_DATA);
  61         }
  62         byte [] bytes = null;
  63         if (object instanceof ByteBuffer) {
  64             bytes = ((ByteBuffer)object).array();
  65         } else {
  66             if (object instanceof byte []) bytes = (byte []) object;
  67         }
  68         if (bytes == null) DND.error(DND.ERROR_INVALID_DATA);
  69         super.javaToNative(bytes, transferData);
  70     }
  71 
  72     public Object nativeToJava(TransferData transferData){
  73         if (isSupportedType(transferData)) {
  74             return super.nativeToJava(transferData);
  75         }
  76         return null;
  77     }
  78 
  79     protected String[] getTypeNames(){
  80         return new String [] {name};
  81     }
  82 
  83     protected int[] getTypeIds(){
  84         return new int [] {registerType(name)};
  85     }
  86 
  87     boolean checkByteArray(Object object) {
  88         return (object != null && object instanceof byte[] && ((byte[])object).length > 0);
  89     }
  90 
  91     boolean checkByteBuffer(Object object) {
  92         return (object != null && object instanceof ByteBuffer && ((ByteBuffer)object).limit() > 0);
  93     }
  94 
  95     boolean checkCustom(Object object) {
  96         return checkByteArray(object) || checkByteBuffer(object);
  97     }
  98 
  99     protected boolean validate(Object object) {
 100         return checkCustom(object);
 101     }
 102 }