|
590
|
1 /**
|
|
|
2 *
|
|
|
3 */
|
|
|
4 package digilib.io;
|
|
|
5
|
|
|
6 import java.io.InputStream;
|
|
|
7
|
|
|
8 import javax.imageio.stream.ImageInputStream;
|
|
|
9 import javax.imageio.stream.MemoryCacheImageInputStream;
|
|
|
10
|
|
|
11 /**
|
|
|
12 * @author casties
|
|
|
13 *
|
|
|
14 */
|
|
|
15 public class ImageCacheStream extends ImageStream {
|
|
|
16
|
|
|
17 public ImageCacheStream(InputStream stream, String mimeType) {
|
|
|
18 super(stream, mimeType);
|
|
|
19 }
|
|
|
20
|
|
|
21 /*
|
|
|
22 * (non-Javadoc)
|
|
|
23 *
|
|
|
24 * @see digilib.io.ImageInput#hasImageInputStream()
|
|
|
25 */
|
|
|
26 @Override
|
|
|
27 public boolean hasImageInputStream() {
|
|
|
28 return true;
|
|
|
29 }
|
|
|
30
|
|
|
31 /*
|
|
|
32 * (non-Javadoc)
|
|
|
33 *
|
|
|
34 * @see digilib.io.ImageInput#getImageInputStream()
|
|
|
35 */
|
|
|
36 @Override
|
|
|
37 public ImageInputStream getImageInputStream() {
|
|
|
38 /*
|
|
|
39 * TODO: which type of stream backing?
|
|
|
40 * In general, it is preferable to
|
|
|
41 * use a FileCacheImageInputStream when reading from a regular
|
|
|
42 * InputStream. This class is provided for cases where it is not
|
|
|
43 * possible to create a writable temporary file.
|
|
|
44 */
|
|
|
45 ImageInputStream iis = new MemoryCacheImageInputStream(this.stream);
|
|
|
46 return iis;
|
|
|
47 }
|
|
|
48
|
|
|
49 }
|
