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comparison servlet/src/digilib/io/FileOps.java @ 86:997ba69afb81

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New version 1.8b1. With directory and file information cache. With enhanceRGB method for color correction.
author robcast
date Sun, 09 Mar 2003 21:37:27 +0100
parents 4e6757e8ccd4
children a398fc09ba71
comparison
equal deleted inserted replaced
85:4e6757e8ccd4 86:997ba69afb81
76 if (f.isFile()) { 76 if (f.isFile()) {
77 return f; 77 return f;
78 } 78 }
79 // if fn is a directory name then open directory 79 // if fn is a directory name then open directory
80 if (f.isDirectory()) { 80 if (f.isDirectory()) {
81 File[] fl = f.listFiles(new ImgFileFilter()); 81 File[] fl = f.listFiles(new ImageFileFilter());
82 Arrays.sort(fl); 82 Arrays.sort(fl);
83 if ((n > 0) && (n <= fl.length)) { 83 if ((n > 0) && (n <= fl.length)) {
84 return fl[n - 1]; 84 return fl[n - 1];
85 } 85 }
86 } 86 }
100 if (f.isFile()) { 100 if (f.isFile()) {
101 return 1; 101 return 1;
102 } 102 }
103 // if fn is a directory name then return the number of files 103 // if fn is a directory name then return the number of files
104 if (f.isDirectory()) { 104 if (f.isDirectory()) {
105 return f.listFiles(new ImgFileFilter()).length; 105 return f.listFiles(new ImageFileFilter()).length;
106 } 106 }
107 // then fn must be something strange... 107 // then fn must be something strange...
108 return 0; 108 return 0;
109 } 109 }
110 110
159 } 159 }
160 160
161 /** 161 /**
162 * FileFilter for image types (helper class for getFile) 162 * FileFilter for image types (helper class for getFile)
163 */ 163 */
164 private class ImgFileFilter implements FileFilter { 164 static class ImageFileFilter implements FileFilter {
165 165
166 public boolean accept(File f) { 166 public boolean accept(File f) {
167 if (f.isFile()) { 167 if (f.isFile()) {
168 return (mimeForFile(f) != null); 168 return (mimeForFile(f) != null);
169 } else { 169 } else {