|
339
|
1 /*
|
|
|
2 * FileOps -- Utility class for file operations
|
|
|
3 *
|
|
|
4 * Digital Image Library servlet components
|
|
|
5 *
|
|
|
6 * Copyright (C) 2001, 2002 Robert Casties (robcast@mail.berlios.de)
|
|
|
7 *
|
|
|
8 * This program is free software; you can redistribute it and/or modify it
|
|
|
9 * under the terms of the GNU General Public License as published by the Free
|
|
|
10 * Software Foundation; either version 2 of the License, or (at your option)
|
|
|
11 * any later version.
|
|
|
12 *
|
|
|
13 * Please read license.txt for the full details. A copy of the GPL may be found
|
|
|
14 * at http://www.gnu.org/copyleft/lgpl.html
|
|
|
15 *
|
|
|
16 * You should have received a copy of the GNU General Public License along with
|
|
|
17 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
|
|
|
18 * Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
19 *
|
|
|
20 */
|
|
1
|
21
|
|
|
22 package digilib.io;
|
|
|
23
|
|
339
|
24 import java.io.File;
|
|
|
25 import java.io.FileFilter;
|
|
|
26 import java.util.ArrayList;
|
|
|
27 import java.util.Arrays;
|
|
|
28 import java.util.HashMap;
|
|
|
29 import java.util.Iterator;
|
|
|
30 import java.util.List;
|
|
|
31 import java.util.Map;
|
|
|
32 import java.util.StringTokenizer;
|
|
1
|
33
|
|
339
|
34 import org.apache.log4j.Logger;
|
|
1
|
35
|
|
|
36 public class FileOps {
|
|
|
37
|
|
339
|
38 private static Logger logger = Logger.getLogger(FileOps.class);
|
|
|
39
|
|
|
40 /**
|
|
|
41 * Array of file extensions and corresponding mime-types.
|
|
|
42 */
|
|
|
43 private static String[][] ft = { { "jpg", "image/jpeg" },
|
|
|
44 { "jpeg", "image/jpeg" }, { "jp2", "image/jp2" },
|
|
|
45 { "png", "image/png" }, { "gif", "image/gif" },
|
|
|
46 { "tif", "image/tiff" }, { "tiff", "image/tiff" },
|
|
|
47 { "txt", "text/plain" }, { "html", "text/html" },
|
|
|
48 { "htm", "text/html" }, { "xml", "text/xml" },
|
|
|
49 { "svg", "image/svg+xml" } };
|
|
|
50
|
|
|
51 public static Map fileTypes;
|
|
|
52
|
|
|
53 public static List imageExtensions;
|
|
|
54
|
|
|
55 public static List textExtensions;
|
|
|
56
|
|
|
57 public static List svgExtensions;
|
|
|
58
|
|
|
59 public static final int CLASS_NONE = -1;
|
|
|
60
|
|
|
61 public static final int CLASS_IMAGE = 0;
|
|
|
62
|
|
|
63 public static final int CLASS_TEXT = 1;
|
|
|
64
|
|
|
65 public static final int CLASS_SVG = 2;
|
|
|
66
|
|
|
67 public static final int NUM_CLASSES = 3;
|
|
1
|
68
|
|
339
|
69 public static int[] fileClasses = {};
|
|
|
70
|
|
|
71 public static int[] fcIndexes = {};
|
|
|
72
|
|
|
73 public static final Integer HINT_BASEDIRS = new Integer(1);
|
|
|
74
|
|
|
75 public static final Integer HINT_FILEEXT = new Integer(2);
|
|
|
76
|
|
|
77 public static final Integer HINT_DIRS = new Integer(3);
|
|
|
78
|
|
|
79 public static File[] baseDirs = {};
|
|
|
80
|
|
|
81 public static DocuDirCache cache;
|
|
1
|
82
|
|
339
|
83 /**
|
|
|
84 * static initializer for FileOps
|
|
|
85 */
|
|
|
86 static {
|
|
|
87 fileTypes = new HashMap();
|
|
|
88 imageExtensions = new ArrayList();
|
|
|
89 textExtensions = new ArrayList();
|
|
|
90 svgExtensions = new ArrayList();
|
|
|
91 // iterate through file types in ft and fill the Map and Lists
|
|
|
92 for (int i = 0; i < ft.length; i++) {
|
|
|
93 String ext = ft[i][0];
|
|
|
94 String mt = ft[i][1];
|
|
|
95 fileTypes.put(ext, mt);
|
|
|
96 if (classForMimetype(mt) == CLASS_IMAGE) {
|
|
|
97 imageExtensions.add(ext);
|
|
|
98 } else if (classForMimetype(mt) == CLASS_TEXT) {
|
|
|
99 textExtensions.add(ext);
|
|
|
100 } else if (classForMimetype(mt) == CLASS_SVG) {
|
|
|
101 svgExtensions.add(ext);
|
|
|
102 }
|
|
|
103 }
|
|
|
104 }
|
|
1
|
105
|
|
339
|
106 /** sets the array of actually used file classes */
|
|
|
107 public static void setFileClasses(int[] fc) {
|
|
|
108 fileClasses = fc;
|
|
|
109 fcIndexes = new int[NUM_CLASSES];
|
|
|
110 for (int i = 0; i < fc.length; i++) {
|
|
|
111 fcIndexes[fc[i]] = i;
|
|
|
112 }
|
|
|
113 }
|
|
1
|
114
|
|
339
|
115 /** returns the array of actually used file classes */
|
|
|
116 public static int[] getFileClasses() {
|
|
|
117 return fileClasses;
|
|
|
118 }
|
|
|
119
|
|
|
120 /** returns an element from the array of actally used file classes */
|
|
|
121 public static int getFileClass(int idx) {
|
|
|
122 try {
|
|
|
123 return fileClasses[idx];
|
|
|
124 } catch (Exception e) {
|
|
|
125 }
|
|
|
126 return CLASS_NONE;
|
|
|
127 }
|
|
1
|
128
|
|
339
|
129 /** Returns the index number for the given file class.
|
|
|
130 * @param fc
|
|
|
131 * @return
|
|
|
132 */
|
|
|
133 public static int getFCindex(int fc) {
|
|
|
134 try {
|
|
|
135 return fcIndexes[fc];
|
|
|
136 } catch (Exception e) {
|
|
|
137 }
|
|
|
138 return -1;
|
|
|
139 }
|
|
|
140
|
|
|
141 /**
|
|
|
142 * returns the file class for a mime-type
|
|
|
143 *
|
|
|
144 * @param mt
|
|
|
145 * @return
|
|
|
146 */
|
|
|
147 public static int classForMimetype(String mt) {
|
|
|
148 if (mt == null) {
|
|
|
149 return CLASS_NONE;
|
|
|
150 }
|
|
|
151 if (mt.startsWith("image/svg")) {
|
|
|
152 return CLASS_SVG;
|
|
|
153 } else if (mt.startsWith("image")) {
|
|
|
154 return CLASS_IMAGE;
|
|
|
155 } else if (mt.startsWith("text")) {
|
|
|
156 return CLASS_TEXT;
|
|
|
157 }
|
|
|
158 return CLASS_NONE;
|
|
|
159 }
|
|
|
160
|
|
|
161 /**
|
|
|
162 * get the mime type for a file format (by extension)
|
|
|
163 */
|
|
|
164 public static String mimeForFile(File f) {
|
|
|
165 return (String) fileTypes.get(extname(f.getName().toLowerCase()));
|
|
|
166 }
|
|
|
167
|
|
|
168 /**
|
|
|
169 * get the file class for the filename (by extension)
|
|
|
170 *
|
|
|
171 * @param fn
|
|
|
172 * @return
|
|
|
173 */
|
|
|
174 public static int classForFilename(String fn) {
|
|
|
175 String mt = (String) fileTypes.get(extname(fn).toLowerCase());
|
|
|
176 return classForMimetype(mt);
|
|
|
177 }
|
|
1
|
178
|
|
339
|
179 /**
|
|
|
180 * get the file class for the file (by extension)
|
|
|
181 *
|
|
|
182 * @param fn
|
|
|
183 * @return
|
|
|
184 */
|
|
|
185 public static int classForFile(File f) {
|
|
|
186 return classForFilename(f.getName());
|
|
|
187 }
|
|
|
188
|
|
|
189 public static Iterator getImageExtensionIterator() {
|
|
|
190 return imageExtensions.iterator();
|
|
|
191 }
|
|
|
192
|
|
|
193 public static Iterator getTextExtensionIterator() {
|
|
|
194 return textExtensions.iterator();
|
|
|
195 }
|
|
|
196
|
|
|
197 public static Iterator getSVGExtensionIterator() {
|
|
|
198 return svgExtensions.iterator();
|
|
|
199 }
|
|
|
200
|
|
|
201 /**
|
|
|
202 * convert a string with a list of pathnames into an array of strings using
|
|
|
203 * the system's path separator string
|
|
|
204 */
|
|
|
205 public static String[] pathToArray(String paths) {
|
|
|
206 // split list into directories
|
|
|
207 StringTokenizer dirs = new StringTokenizer(paths, File.pathSeparator);
|
|
|
208 int n = dirs.countTokens();
|
|
|
209 if (n < 1) {
|
|
|
210 return null;
|
|
|
211 }
|
|
|
212 // add directories into array
|
|
|
213 String[] pathArray = new String[n];
|
|
|
214 for (int i = 0; i < n; i++) {
|
|
|
215 String s = dirs.nextToken();
|
|
|
216 // make shure the dir name ends with a directory separator
|
|
|
217 if (s.endsWith(File.separator)) {
|
|
|
218 pathArray[i] = s;
|
|
|
219 } else {
|
|
|
220 pathArray[i] = s + File.separator;
|
|
|
221 }
|
|
|
222 }
|
|
|
223 return pathArray;
|
|
|
224 }
|
|
|
225
|
|
|
226 /**
|
|
|
227 * Extract the base of a file name (sans extension).
|
|
|
228 *
|
|
|
229 * Returns the filename without the extension. The extension is the part
|
|
|
230 * behind the last dot in the filename. If the filename has no dot the full
|
|
|
231 * file name is returned.
|
|
|
232 *
|
|
|
233 * @param fn
|
|
|
234 * @return
|
|
|
235 */
|
|
|
236 public static String basename(String fn) {
|
|
|
237 if (fn == null) {
|
|
|
238 return null;
|
|
|
239 }
|
|
|
240 int i = fn.lastIndexOf('.');
|
|
|
241 if (i > 0) {
|
|
|
242 return fn.substring(0, i);
|
|
|
243 }
|
|
|
244 return fn;
|
|
|
245 }
|
|
1
|
246
|
|
339
|
247 /**
|
|
|
248 * Extract the base of a file name (sans extension).
|
|
|
249 *
|
|
|
250 * Returns the filename without the extension. The extension is the part
|
|
|
251 * behind the last dot in the filename. If the filename has no dot the full
|
|
|
252 * file name is returned.
|
|
|
253 *
|
|
|
254 * @param f
|
|
|
255 * @return
|
|
|
256 */
|
|
|
257 public static String basename(File f) {
|
|
|
258 if (f == null) {
|
|
|
259 return null;
|
|
|
260 }
|
|
|
261 return basename(f.getName());
|
|
|
262 }
|
|
|
263
|
|
|
264 /**
|
|
|
265 * Extract the extension of a file name.
|
|
|
266 *
|
|
|
267 * Returns the extension of a file name. The extension is the part behind
|
|
|
268 * the last dot in the filename. If the filename has no dot the empty string
|
|
|
269 * is returned.
|
|
|
270 *
|
|
|
271 * @param fn
|
|
|
272 * @return
|
|
|
273 */
|
|
|
274 public static String extname(String fn) {
|
|
|
275 if (fn == null) {
|
|
|
276 return null;
|
|
|
277 }
|
|
|
278 int i = fn.lastIndexOf('.');
|
|
|
279 if (i > 0) {
|
|
|
280 return fn.substring(i + 1);
|
|
|
281 }
|
|
|
282 return "";
|
|
|
283 }
|
|
1
|
284
|
|
339
|
285 /**
|
|
|
286 * Extract the parent directory of a (digilib) path name.
|
|
|
287 *
|
|
|
288 * Returns the parent directory of a path name. The parent is the part
|
|
|
289 * before the last slash in the path name. If the path name has no slash the
|
|
|
290 * empty string is returned.
|
|
|
291 *
|
|
|
292 * @param fn
|
|
|
293 * @return
|
|
|
294 */
|
|
|
295 public static String dlParent(String fn) {
|
|
|
296 if (fn == null) {
|
|
|
297 return null;
|
|
|
298 }
|
|
|
299 int i = fn.lastIndexOf('/');
|
|
|
300 if (i > 0) {
|
|
|
301 return fn.substring(0, i);
|
|
|
302 }
|
|
|
303 return "";
|
|
|
304 }
|
|
1
|
305
|
|
339
|
306 /**
|
|
|
307 * Extract the dir/file name of a (digilib) path name.
|
|
|
308 *
|
|
|
309 * The file/dir name is the part after the last slash in the path name. If
|
|
|
310 * the path name has no slash the same string is returned.
|
|
|
311 *
|
|
|
312 * @param path
|
|
|
313 * @return
|
|
|
314 */
|
|
|
315 public static String dlName(String path) {
|
|
|
316 if (path == null) {
|
|
|
317 return null;
|
|
|
318 }
|
|
|
319 int i = path.lastIndexOf('/');
|
|
|
320 if (i > 0) {
|
|
|
321 return path.substring(i+1);
|
|
|
322 }
|
|
|
323 return path;
|
|
|
324 }
|
|
1
|
325
|
|
339
|
326 /**
|
|
|
327 * Normalize a path name.
|
|
|
328 *
|
|
|
329 * Removes leading and trailing slashes. Returns null if there is other
|
|
|
330 * unwanted stuff in the path name.
|
|
|
331 *
|
|
|
332 * @param pathname
|
|
|
333 * @return
|
|
|
334 */
|
|
|
335 public static String normalName(String pathname) {
|
|
|
336 if (pathname == null) {
|
|
|
337 return null;
|
|
|
338 }
|
|
|
339 // upper-dir references are unwanted
|
|
|
340 if (pathname.indexOf("../") >= 0) {
|
|
|
341 return null;
|
|
|
342 }
|
|
|
343 int a = 0;
|
|
|
344 int e = pathname.length() - 1;
|
|
|
345 if (e < 0) {
|
|
|
346 return pathname;
|
|
|
347 }
|
|
|
348 // leading and trailing "/" are removed
|
|
|
349 while ((a <= e) && (pathname.charAt(a) == '/')) {
|
|
|
350 a++;
|
|
|
351 }
|
|
|
352 while ((a < e) && (pathname.charAt(e) == '/')) {
|
|
|
353 e--;
|
|
|
354 }
|
|
|
355 return pathname.substring(a, e + 1);
|
|
|
356 }
|
|
1
|
357
|
|
339
|
358 public static StringTokenizer dlPathIterator(String path) {
|
|
|
359 return new StringTokenizer(path, "/");
|
|
|
360 }
|
|
|
361
|
|
|
362
|
|
|
363 /**
|
|
|
364 * FileFilter for general files
|
|
|
365 */
|
|
|
366 static class ReadableFileFilter implements FileFilter {
|
|
|
367
|
|
|
368 public boolean accept(File f) {
|
|
|
369 return f.canRead();
|
|
|
370 }
|
|
|
371 }
|
|
|
372
|
|
|
373 /**
|
|
|
374 * FileFilter for image types (helper class for getFile)
|
|
|
375 */
|
|
|
376 static class ImageFileFilter implements FileFilter {
|
|
|
377
|
|
|
378 public boolean accept(File f) {
|
|
|
379 return (classForFilename(f.getName()) == CLASS_IMAGE);
|
|
|
380 }
|
|
|
381 }
|
|
|
382
|
|
|
383 /**
|
|
|
384 * FileFilter for text types (helper class for getFile)
|
|
|
385 */
|
|
|
386 static class TextFileFilter implements FileFilter {
|
|
|
387
|
|
|
388 public boolean accept(File f) {
|
|
|
389 return (classForFilename(f.getName()) == CLASS_TEXT);
|
|
|
390 }
|
|
|
391 }
|
|
|
392
|
|
|
393 /**
|
|
|
394 * FileFilter for svg types (helper class for getFile).
|
|
|
395 *
|
|
|
396 */
|
|
|
397 static class SVGFileFilter implements FileFilter {
|
|
1
|
398
|
|
339
|
399 public boolean accept(File f) {
|
|
|
400 return (classForFilename(f.getName()) == CLASS_SVG);
|
|
|
401 }
|
|
|
402 }
|
|
|
403
|
|
|
404 /**
|
|
|
405 * Factory for FileFilters (image or text).
|
|
|
406 *
|
|
|
407 * @param fileClass
|
|
|
408 * @return
|
|
|
409 */
|
|
|
410 public static FileFilter filterForClass(int fileClass) {
|
|
|
411 if (fileClass == CLASS_IMAGE) {
|
|
|
412 return new ImageFileFilter();
|
|
|
413 }
|
|
|
414 if (fileClass == CLASS_TEXT) {
|
|
|
415 return new TextFileFilter();
|
|
|
416 }
|
|
|
417 if (fileClass == CLASS_SVG) {
|
|
|
418 return new SVGFileFilter();
|
|
|
419 }
|
|
|
420 return null;
|
|
|
421 }
|
|
1
|
422
|
|
339
|
423 /**
|
|
|
424 * Factory for DocuDirents based on file class.
|
|
|
425 *
|
|
|
426 * Returns an ImageFileset, TextFile or SVGFile.
|
|
|
427 *
|
|
|
428 * @param fileClass
|
|
|
429 * @param file
|
|
|
430 * @param parent
|
|
|
431 * @param hints
|
|
|
432 * optional additional parameters
|
|
|
433 * @return
|
|
|
434 */
|
|
|
435 public static DigiDirent fileForClass(int fileClass, File file,
|
|
|
436 DigiDirectory parent, Map hints) {
|
|
|
437 // what class of file do we have?
|
|
|
438 if (fileClass == CLASS_IMAGE) {
|
|
|
439 // image file
|
|
|
440 return new ImageFileset(file, parent, hints);
|
|
|
441 } else if (fileClass == CLASS_TEXT) {
|
|
|
442 // text file
|
|
|
443 return new TextFile(file, parent);
|
|
|
444 } else if (fileClass == CLASS_SVG) {
|
|
|
445 // text file
|
|
|
446 return new SVGFile(file, parent);
|
|
|
447 }
|
|
|
448 // anything else is a generic dir or file
|
|
|
449 if (file.isDirectory()) {
|
|
|
450 return getCachedDirectory(file, null, parent);
|
|
|
451 }
|
|
|
452 return new DigiDirent(file.getName(), parent);
|
|
|
453 }
|
|
|
454
|
|
|
455 /**
|
|
|
456 * Filters a list of Files through a FileFilter.
|
|
|
457 *
|
|
|
458 * @param files
|
|
|
459 * @param filter
|
|
|
460 * @return
|
|
|
461 */
|
|
|
462 public static File[] listFiles(File[] files, FileFilter filter) {
|
|
|
463 if (files == null) {
|
|
|
464 return null;
|
|
|
465 }
|
|
|
466 File[] ff = new File[files.length];
|
|
|
467 int ffi = 0;
|
|
|
468 for (int i = 0; i < files.length; i++) {
|
|
|
469 if (filter.accept(files[i])) {
|
|
|
470 ff[ffi] = files[i];
|
|
|
471 ffi++;
|
|
|
472 }
|
|
|
473 }
|
|
|
474 File[] fff = new File[ffi];
|
|
|
475 System.arraycopy(ff, 0, fff, 0, ffi);
|
|
|
476 return fff;
|
|
|
477 }
|
|
1
|
478
|
|
339
|
479 /**
|
|
|
480 * Returns the closest matching file out of an array.
|
|
|
481 *
|
|
|
482 * Compares the files sans extensions if no direct match is found. Returns
|
|
|
483 * null if no match is found.
|
|
|
484 *
|
|
|
485 * @param fn
|
|
|
486 * @param files
|
|
|
487 * @return
|
|
|
488 */
|
|
|
489 public static File findFile(File fn, File[] files) {
|
|
|
490 // try the same filename as the original
|
|
|
491 int fileIdx = Arrays.binarySearch(files, fn);
|
|
|
492 if (fileIdx >= 0) {
|
|
|
493 return files[fileIdx];
|
|
|
494 } else {
|
|
|
495 // try closest matches without extension
|
|
|
496 String fb = FileOps.basename(fn);
|
|
|
497 fileIdx = -fileIdx - 1;
|
|
|
498 if ((fileIdx < files.length)
|
|
|
499 && (FileOps.basename(files[fileIdx]).equals(fb))) {
|
|
|
500 // idx ok
|
|
|
501 return files[fileIdx];
|
|
|
502 } else if ((fileIdx > 0)
|
|
|
503 && (FileOps.basename(files[fileIdx - 1]).equals(fb))) {
|
|
|
504 // idx-1 ok
|
|
|
505 return files[fileIdx - 1];
|
|
|
506 } else if ((fileIdx + 1 < files.length)
|
|
|
507 && (FileOps.basename(files[fileIdx + 1]).equals(fb))) {
|
|
|
508 // idx+1 ok
|
|
|
509 return files[fileIdx + 1];
|
|
|
510 }
|
|
|
511 }
|
|
|
512 // unknown
|
|
|
513 return null;
|
|
|
514 }
|
|
1
|
515
|
|
339
|
516 /**
|
|
|
517 * Returns the closest matching file out of an array.
|
|
|
518 *
|
|
|
519 * Compares the files sans extensions if no direct match is found. Returns
|
|
|
520 * null if no match is found.
|
|
|
521 *
|
|
|
522 * @param fn
|
|
|
523 * @param files
|
|
|
524 * @return
|
|
|
525 */
|
|
|
526 public static String findFilename(String fn, String[] files) {
|
|
|
527 // try the same filename as the original
|
|
|
528 int fileIdx = Arrays.binarySearch(files, fn);
|
|
|
529 if (fileIdx >= 0) {
|
|
|
530 return files[fileIdx];
|
|
|
531 } else {
|
|
|
532 // try closest matches without extension
|
|
|
533 String fb = FileOps.basename(fn);
|
|
|
534 fileIdx = -fileIdx - 1;
|
|
|
535 if ((fileIdx < files.length)
|
|
|
536 && (FileOps.basename(files[fileIdx]).equals(fb))) {
|
|
|
537 // idx ok
|
|
|
538 return files[fileIdx];
|
|
|
539 } else if ((fileIdx > 0)
|
|
|
540 && (FileOps.basename(files[fileIdx - 1]).equals(fb))) {
|
|
|
541 // idx-1 ok
|
|
|
542 return files[fileIdx - 1];
|
|
|
543 } else if ((fileIdx + 1 < files.length)
|
|
|
544 && (FileOps.basename(files[fileIdx + 1]).equals(fb))) {
|
|
|
545 // idx+1 ok
|
|
|
546 return files[fileIdx + 1];
|
|
|
547 }
|
|
|
548 }
|
|
|
549 // unknown
|
|
|
550 return null;
|
|
|
551 }
|
|
|
552 /**
|
|
|
553 * Returns a File for a base directory and a digilib-path.
|
|
|
554 *
|
|
|
555 * @param basedir
|
|
|
556 * @param dlpath
|
|
|
557 * @return
|
|
|
558 */
|
|
|
559 public static File getRealFile(File basedir, String dlpath) {
|
|
|
560 // does this work on all platforms??
|
|
|
561 return new File(basedir, dlpath);
|
|
|
562 }
|
|
|
563
|
|
|
564 /** Returns a File for a digilib-path.
|
|
|
565 *
|
|
|
566 * The file is assumed to be in the first base directory.
|
|
|
567 *
|
|
|
568 * @param dlpath
|
|
|
569 * @return
|
|
|
570 */
|
|
|
571 public static File getRealFile(String dlpath) {
|
|
|
572 // does this work on all platforms??
|
|
|
573 return new File(baseDirs[0], dlpath);
|
|
|
574 }
|
|
1
|
575
|
|
339
|
576 /**
|
|
|
577 * Creates a new empty hints Map.
|
|
|
578 *
|
|
|
579 * @return
|
|
|
580 */
|
|
|
581 public static Map newHints() {
|
|
|
582 Map m = new HashMap();
|
|
|
583 return m;
|
|
|
584 }
|
|
|
585
|
|
|
586 /**
|
|
|
587 * Creates a new hints Map with the given first element.
|
|
|
588 *
|
|
|
589 * @param type
|
|
|
590 * @param value
|
|
|
591 * @return
|
|
|
592 */
|
|
|
593 public static Map newHints(Integer type, Object value) {
|
|
|
594 Map m = new HashMap();
|
|
|
595 if (type != null) {
|
|
|
596 m.put(type, value);
|
|
|
597 }
|
|
|
598 return m;
|
|
|
599 }
|
|
|
600
|
|
|
601 /**
|
|
|
602 * @return Returns the baseDirs.
|
|
|
603 */
|
|
|
604 public static File[] getBaseDirs() {
|
|
|
605 return baseDirs;
|
|
|
606 }
|
|
|
607
|
|
|
608 /**
|
|
|
609 * @param baseDirs
|
|
|
610 * The baseDirs to set.
|
|
|
611 */
|
|
|
612 public static void setBaseDirs(File[] baseDirs) {
|
|
|
613 FileOps.baseDirs = baseDirs;
|
|
|
614 }
|
|
1
|
615
|
|
339
|
616
|
|
|
617 /**
|
|
|
618 * Returns a DigiDirectory instance that is guaranteed to be unique in the
|
|
|
619 * cache.
|
|
|
620 *
|
|
|
621 * @param dir
|
|
|
622 * @param parent
|
|
|
623 * @return
|
|
|
624 */
|
|
|
625 public static DigiDirectory getCachedDirectory(File dir, String dlpath, DigiDirectory parent) {
|
|
|
626 if (dir == null) {
|
|
|
627 dir = FileOps.getRealFile(dlpath);
|
|
|
628 }
|
|
|
629 DigiDirectory dd = null;
|
|
|
630 if (parent == null) {
|
|
|
631 // create a new parent by starting at the root
|
|
|
632 StringBuffer ps = new StringBuffer();
|
|
|
633 DigiDirectory p = cache.getRootDir();
|
|
|
634 // walk the path
|
|
|
635 for (StringTokenizer i = dlPathIterator(dlpath); i.hasMoreTokens();) {
|
|
|
636 p.check();
|
|
|
637 String dn = i.nextToken();
|
|
|
638 ps.append("/");
|
|
|
639 ps.append(dn);
|
|
|
640 DigiDirectory d = cache.get(dn);
|
|
|
641 if (d == null) {
|
|
|
642 dd = new DigiDirectory(FileOps.getRealFile(dn), ps.toString(), p);
|
|
|
643 }
|
|
|
644 if (d.getParent() != p) {
|
|
|
645 logger.warn("digidirectory "+d.getDLPath()+" has wrong parent: "+p.getDLPath());
|
|
|
646 }
|
|
|
647 p = d;
|
|
|
648 }
|
|
|
649 } else {
|
|
|
650 if (dlpath == null) {
|
|
|
651 dlpath = parent.getDLPath() + "/" + dir.getName();
|
|
|
652 }
|
|
|
653 dd = cache.get(dlpath);
|
|
|
654 if (dd == null) {
|
|
|
655 dd = new DigiDirectory(dir, dlpath, parent);
|
|
|
656 } else {
|
|
|
657 logger.debug("reusing directory:" + dlpath);
|
|
|
658 }
|
|
|
659 }
|
|
|
660 return dd;
|
|
|
661 }
|
|
|
662
|
|
|
663 /**
|
|
|
664 * @return Returns the cache.
|
|
|
665 */
|
|
|
666 public static DocuDirCache getCache() {
|
|
|
667 return cache;
|
|
|
668 }
|
|
|
669 /**
|
|
|
670 * @param cache The cache to set.
|
|
|
671 */
|
|
|
672 public static void setCache(DocuDirCache cache) {
|
|
|
673 FileOps.cache = cache;
|
|
|
674 }
|
|
1
|
675 }
|
