31 import java.io.FileNotFoundException;
32
33 public class FileImageSource extends InputStreamImageSource {
34 String imagefile;
35
36 public FileImageSource(String filename) {
37 SecurityManager security = System.getSecurityManager();
38 if (security != null) {
39 security.checkRead(filename);
40 }
41 imagefile = filename;
42 }
43
44 final boolean checkSecurity(Object context, boolean quiet) {
45 // File based images only ever need to be checked statically
46 // when the image is retrieved from the cache.
47 return true;
48 }
49
50 protected ImageDecoder getDecoder() {
51 InputStream is;
52 try {
53 is = new BufferedInputStream(new FileInputStream(imagefile));
54 } catch (FileNotFoundException e) {
55 return null;
56 }
57 // Don't believe the file suffix - many users don't know what
58 // kind of image they have and guess wrong...
59 /*
60 int suffixpos = imagefile.lastIndexOf('.');
61 if (suffixpos >= 0) {
62 String suffix = imagefile.substring(suffixpos+1).toLowerCase();
63 if (suffix.equals("gif")) {
64 return new GifImageDecoder(this, is);
65 } else if (suffix.equals("jpeg") || suffix.equals("jpg") ||
66 suffix.equals("jpe") || suffix.equals("jfif")) {
67 return new JPEGImageDecoder(this, is);
68 } else if (suffix.equals("xbm")) {
69 return new XbmImageDecoder(this, is);
70 }
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31 import java.io.FileNotFoundException;
32
33 public class FileImageSource extends InputStreamImageSource {
34 String imagefile;
35
36 public FileImageSource(String filename) {
37 SecurityManager security = System.getSecurityManager();
38 if (security != null) {
39 security.checkRead(filename);
40 }
41 imagefile = filename;
42 }
43
44 final boolean checkSecurity(Object context, boolean quiet) {
45 // File based images only ever need to be checked statically
46 // when the image is retrieved from the cache.
47 return true;
48 }
49
50 protected ImageDecoder getDecoder() {
51 if (imagefile == null) {
52 return null;
53 }
54
55 InputStream is;
56 try {
57 is = new BufferedInputStream(new FileInputStream(imagefile));
58 } catch (FileNotFoundException e) {
59 return null;
60 }
61 // Don't believe the file suffix - many users don't know what
62 // kind of image they have and guess wrong...
63 /*
64 int suffixpos = imagefile.lastIndexOf('.');
65 if (suffixpos >= 0) {
66 String suffix = imagefile.substring(suffixpos+1).toLowerCase();
67 if (suffix.equals("gif")) {
68 return new GifImageDecoder(this, is);
69 } else if (suffix.equals("jpeg") || suffix.equals("jpg") ||
70 suffix.equals("jpe") || suffix.equals("jfif")) {
71 return new JPEGImageDecoder(this, is);
72 } else if (suffix.equals("xbm")) {
73 return new XbmImageDecoder(this, is);
74 }
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