|
1
7
8 package com.sun.imageio.spi;
9
10 import java.io.File  ;
11 import java.util.Locale ;
12 import javax.imageio.spi.ImageInputStreamSpi ;
13 import javax.imageio.stream.ImageInputStream ;
14 import javax.imageio.stream.FileImageInputStream ;
15
16 public class FileImageInputStreamSpi extends ImageInputStreamSpi {
17
18 private static final String vendorName = "Sun Microsystems, Inc.";
19
20 private static final String version = "1.0";
21
22 private static final Class inputClass = File .class;
23
24 public FileImageInputStreamSpi() {
25 super(vendorName, version, inputClass);
26 }
27
28 public String getDescription(Locale locale) {
29 return "Service provider that instantiates a FileImageInputStream from a File";
30 }
31
32 public ImageInputStream createInputStreamInstance(Object input,
33 boolean useCache,
34 File cacheDir) {
35 if (input instanceof File ) {
36 try {
37 return new FileImageInputStream ((File )input);
38 } catch (Exception e) {
39 return null;
40 }
41 } else {
42 throw new IllegalArgumentException ();
43 }
44 }
45 }
46 |
Popular Tags |
Java API By Example, From Geeks To Geeks.