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.swing;
27
28 import javafx.scene.input.DataFormat;
29
30 import java.io.ByteArrayOutputStream;
31 import java.util.Set;
32 import java.util.Map;
33 import java.util.List;
34 import java.util.HashMap;
35 import java.util.HashSet;
36 import java.util.Collections;
37
38 import java.awt.datatransfer.DataFlavor;
39 import java.awt.datatransfer.Transferable;
40 import java.awt.datatransfer.UnsupportedFlavorException;
41
42 import java.io.ByteArrayInputStream;
43 import java.io.File;
44 import java.io.IOException;
45 import java.io.InputStream;
46 import java.io.UnsupportedEncodingException;
47
48 import java.nio.ByteBuffer;
49
50
51 final class DataFlavorUtils {
52
53 static String getFxMimeType(final DataFlavor flavor) {
54 return flavor.getPrimaryType() + "/" + flavor.getSubType();
55 }
56
57 /**
58 * InputStream implementation backed by a ByteBuffer.
59 * It can handle byte buffers that are backed by arrays
60 * as well as operating system memory.
61 */
62 private static class ByteBufferInputStream extends InputStream {
63 private final ByteBuffer bb;
64
65 private ByteBufferInputStream(ByteBuffer bb) { this.bb = bb; }
66
67 @Override public int available() { return bb.remaining(); }
68
69 @Override public int read() throws IOException {
70 if (!bb.hasRemaining()) return -1;
71 return bb.get() & 0xFF; // Make sure the value is in [0..255]
72 }
73
74 @Override public int read(byte[] bytes, int off, int len) throws IOException {
|
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.swing;
27
28 import javafx.scene.input.DataFormat;
29
30 import java.io.ByteArrayOutputStream;
31 import java.util.Set;
32 import java.util.Map;
33 import java.util.List;
34 import java.util.HashMap;
35 import java.util.HashSet;
36 import java.util.Collections;
37 import java.util.ArrayList;
38
39 import java.awt.datatransfer.DataFlavor;
40 import java.awt.datatransfer.Transferable;
41 import java.awt.datatransfer.UnsupportedFlavorException;
42
43 import java.io.ByteArrayInputStream;
44 import java.io.File;
45 import java.io.IOException;
46 import java.io.InputStream;
47 import java.io.UnsupportedEncodingException;
48
49 import java.nio.ByteBuffer;
50
51
52 final class DataFlavorUtils {
53
54 static String getFxMimeType(final DataFlavor flavor) {
55 return flavor.getPrimaryType() + "/" + flavor.getSubType();
56 }
57
58 static DataFlavor[] getDataFlavors(String[] mimeTypes) {
59 final ArrayList<DataFlavor> flavors =
60 new ArrayList<DataFlavor>(mimeTypes.length);
61 for (String mime : mimeTypes) {
62 DataFlavor flavor = null;
63 try {
64 flavor = new DataFlavor(mime);
65 } catch (ClassNotFoundException e) {
66 // FIXME: what to do?
67 continue;
68 }
69 flavors.add(flavor);
70 }
71 return flavors.toArray(new DataFlavor[0]);
72 }
73
74 static DataFlavor getDataFlavor(final DataFormat format) {
75 DataFlavor[] flavors = getDataFlavors(format.getIdentifiers().toArray(new String[1]));
76
77 // Well, that's our best guess...
78 return flavors.length == 0 ? null : flavors[0];
79 }
80
81 static String getMimeType(final DataFormat format) {
82 // Well, that's our best guess...
83 for (String id : format.getIdentifiers()) return id;
84 return null;
85 }
86
87 static DataFormat getDataFormat(final DataFlavor flavor) {
88 String mimeType = getFxMimeType(flavor);
89 DataFormat dataFormat = DataFormat.lookupMimeType(mimeType);
90 if (dataFormat == null) {
91 dataFormat = new DataFormat(mimeType); // are we ready for this yet?
92 }
93 return dataFormat;
94 }
95
96 /**
97 * InputStream implementation backed by a ByteBuffer.
98 * It can handle byte buffers that are backed by arrays
99 * as well as operating system memory.
100 */
101 private static class ByteBufferInputStream extends InputStream {
102 private final ByteBuffer bb;
103
104 private ByteBufferInputStream(ByteBuffer bb) { this.bb = bb; }
105
106 @Override public int available() { return bb.remaining(); }
107
108 @Override public int read() throws IOException {
109 if (!bb.hasRemaining()) return -1;
110 return bb.get() & 0xFF; // Make sure the value is in [0..255]
111 }
112
113 @Override public int read(byte[] bytes, int off, int len) throws IOException {
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