Stuart McCulloch | 26e7a5a | 2011-10-17 10:31:43 +0000 | [diff] [blame] | 1 | package aQute.lib.osgi; |
| 2 | |
| 3 | import static aQute.lib.io.IO.*; |
| 4 | |
| 5 | import java.io.*; |
| 6 | import java.security.*; |
| 7 | import java.util.*; |
| 8 | import java.util.jar.*; |
| 9 | import java.util.regex.*; |
| 10 | import java.util.zip.*; |
| 11 | |
| 12 | import aQute.lib.base64.*; |
| 13 | import aQute.libg.reporter.*; |
| 14 | |
| 15 | public class Jar implements Closeable { |
| 16 | public static final Object[] EMPTY_ARRAY = new Jar[0]; |
| 17 | Map<String, Resource> resources = new TreeMap<String, Resource>(); |
| 18 | Map<String, Map<String, Resource>> directories = new TreeMap<String, Map<String, Resource>>(); |
| 19 | Manifest manifest; |
| 20 | boolean manifestFirst; |
| 21 | String name; |
| 22 | File source; |
| 23 | ZipFile zipFile; |
| 24 | long lastModified; |
| 25 | String lastModifiedReason; |
| 26 | Reporter reporter; |
| 27 | boolean doNotTouchManifest; |
| 28 | boolean nomanifest; |
| 29 | |
| 30 | public Jar(String name) { |
| 31 | this.name = name; |
| 32 | } |
| 33 | |
| 34 | public Jar(String name, File dirOrFile, Pattern doNotCopy) throws ZipException, IOException { |
| 35 | this(name); |
| 36 | source = dirOrFile; |
| 37 | if (dirOrFile.isDirectory()) |
| 38 | FileResource.build(this, dirOrFile, doNotCopy); |
| 39 | else if (dirOrFile.isFile()) { |
| 40 | zipFile = ZipResource.build(this, dirOrFile); |
| 41 | } else { |
| 42 | throw new IllegalArgumentException("A Jar can only accept a valid file or directory: " |
| 43 | + dirOrFile); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | public Jar(String name, InputStream in, long lastModified) throws IOException { |
| 48 | this(name); |
| 49 | EmbeddedResource.build(this, in, lastModified); |
| 50 | } |
| 51 | |
| 52 | public Jar(String name, String path) throws IOException { |
| 53 | this(name); |
| 54 | File f = new File(path); |
| 55 | InputStream in = new FileInputStream(f); |
| 56 | EmbeddedResource.build(this, in, f.lastModified()); |
| 57 | in.close(); |
| 58 | } |
| 59 | |
| 60 | public Jar(File f) throws IOException { |
| 61 | this(getName(f), f, null); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Make the JAR file name the project name if we get a src or bin directory. |
| 66 | * |
| 67 | * @param f |
| 68 | * @return |
| 69 | */ |
| 70 | private static String getName(File f) { |
| 71 | f = f.getAbsoluteFile(); |
| 72 | String name = f.getName(); |
| 73 | if (name.equals("bin") || name.equals("src")) |
| 74 | return f.getParentFile().getName(); |
| 75 | else { |
| 76 | if (name.endsWith(".jar")) |
| 77 | name = name.substring(0, name.length() - 4); |
| 78 | return name; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | public Jar(String string, InputStream resourceAsStream) throws IOException { |
| 83 | this(string, resourceAsStream, 0); |
| 84 | } |
| 85 | |
| 86 | public Jar(String string, File file) throws ZipException, IOException { |
| 87 | this(string, file, Pattern.compile(Constants.DEFAULT_DO_NOT_COPY)); |
| 88 | } |
| 89 | |
| 90 | public void setName(String name) { |
| 91 | this.name = name; |
| 92 | } |
| 93 | |
| 94 | public String toString() { |
| 95 | return "Jar:" + name; |
| 96 | } |
| 97 | |
| 98 | public boolean putResource(String path, Resource resource) { |
| 99 | return putResource(path, resource, true); |
| 100 | } |
| 101 | |
| 102 | public boolean putResource(String path, Resource resource, boolean overwrite) { |
| 103 | updateModified(resource.lastModified(), path); |
| 104 | while (path.startsWith("/")) |
| 105 | path = path.substring(1); |
| 106 | |
| 107 | if (path.equals("META-INF/MANIFEST.MF")) { |
| 108 | manifest = null; |
| 109 | if (resources.isEmpty()) |
| 110 | manifestFirst = true; |
| 111 | } |
| 112 | String dir = getDirectory(path); |
| 113 | Map<String, Resource> s = directories.get(dir); |
| 114 | if (s == null) { |
| 115 | s = new TreeMap<String, Resource>(); |
| 116 | directories.put(dir, s); |
| 117 | int n = dir.lastIndexOf('/'); |
| 118 | while (n > 0) { |
| 119 | String dd = dir.substring(0, n); |
| 120 | if (directories.containsKey(dd)) |
| 121 | break; |
| 122 | directories.put(dd, null); |
| 123 | n = dd.lastIndexOf('/'); |
| 124 | } |
| 125 | } |
| 126 | boolean duplicate = s.containsKey(path); |
| 127 | if (!duplicate || overwrite) { |
| 128 | resources.put(path, resource); |
| 129 | s.put(path, resource); |
| 130 | } |
| 131 | return duplicate; |
| 132 | } |
| 133 | |
| 134 | public Resource getResource(String path) { |
| 135 | return resources.get(path); |
| 136 | } |
| 137 | |
| 138 | private String getDirectory(String path) { |
| 139 | int n = path.lastIndexOf('/'); |
| 140 | if (n < 0) |
| 141 | return ""; |
| 142 | |
| 143 | return path.substring(0, n); |
| 144 | } |
| 145 | |
| 146 | public Map<String, Map<String, Resource>> getDirectories() { |
| 147 | return directories; |
| 148 | } |
| 149 | |
| 150 | public Map<String, Resource> getResources() { |
| 151 | return resources; |
| 152 | } |
| 153 | |
| 154 | public boolean addDirectory(Map<String, Resource> directory, boolean overwrite) { |
| 155 | boolean duplicates = false; |
| 156 | if (directory == null) |
| 157 | return false; |
| 158 | |
| 159 | for (Map.Entry<String, Resource> entry : directory.entrySet()) { |
| 160 | String key = entry.getKey(); |
| 161 | if (!key.endsWith(".java")) { |
| 162 | duplicates |= putResource(key, (Resource) entry.getValue(), overwrite); |
| 163 | } |
| 164 | } |
| 165 | return duplicates; |
| 166 | } |
| 167 | |
| 168 | public Manifest getManifest() throws Exception { |
| 169 | if (manifest == null) { |
| 170 | Resource manifestResource = getResource("META-INF/MANIFEST.MF"); |
| 171 | if (manifestResource != null) { |
| 172 | InputStream in = manifestResource.openInputStream(); |
| 173 | manifest = new Manifest(in); |
| 174 | in.close(); |
| 175 | } |
| 176 | } |
| 177 | return manifest; |
| 178 | } |
| 179 | |
| 180 | public boolean exists(String path) { |
| 181 | return resources.containsKey(path); |
| 182 | } |
| 183 | |
| 184 | public void setManifest(Manifest manifest) { |
| 185 | manifestFirst = true; |
| 186 | this.manifest = manifest; |
| 187 | } |
| 188 | |
| 189 | public void write(File file) throws Exception { |
| 190 | try { |
| 191 | OutputStream out = new FileOutputStream(file); |
| 192 | write(out); |
| 193 | out.close(); |
| 194 | return; |
| 195 | |
| 196 | } catch (Exception t) { |
| 197 | file.delete(); |
| 198 | throw t; |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | public void write(String file) throws Exception { |
| 203 | write(new File(file)); |
| 204 | } |
| 205 | |
| 206 | public void write(OutputStream out) throws Exception { |
| 207 | ZipOutputStream jout = nomanifest || doNotTouchManifest ? new ZipOutputStream(out) |
| 208 | : new JarOutputStream(out); |
| 209 | Set<String> done = new HashSet<String>(); |
| 210 | |
| 211 | Set<String> directories = new HashSet<String>(); |
| 212 | if (doNotTouchManifest) { |
| 213 | Resource r = getResource("META-INF/MANIFEST.MF"); |
| 214 | if (r != null) { |
| 215 | writeResource(jout, directories, "META-INF/MANIFEST.MF", r); |
| 216 | done.add("META-INF/MANIFEST.MF"); |
| 217 | } |
| 218 | } else |
| 219 | doManifest(done, jout); |
| 220 | |
| 221 | for (Map.Entry<String, Resource> entry : getResources().entrySet()) { |
| 222 | // Skip metainf contents |
| 223 | if (!done.contains(entry.getKey())) |
| 224 | writeResource(jout, directories, (String) entry.getKey(), |
| 225 | (Resource) entry.getValue()); |
| 226 | } |
| 227 | jout.finish(); |
| 228 | } |
| 229 | |
| 230 | private void doManifest(Set<String> done, ZipOutputStream jout) throws Exception { |
| 231 | if (nomanifest) |
| 232 | return; |
| 233 | |
| 234 | JarEntry ze = new JarEntry("META-INF/MANIFEST.MF"); |
| 235 | jout.putNextEntry(ze); |
| 236 | writeManifest(jout); |
| 237 | jout.closeEntry(); |
| 238 | done.add(ze.getName()); |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * Cleanup the manifest for writing. Cleaning up consists of adding a space |
| 243 | * after any \n to prevent the manifest to see this newline as a delimiter. |
| 244 | * |
| 245 | * @param out |
| 246 | * Output |
| 247 | * @throws IOException |
| 248 | */ |
| 249 | |
| 250 | public void writeManifest(OutputStream out) throws Exception { |
| 251 | writeManifest(getManifest(), out); |
| 252 | } |
| 253 | |
| 254 | public static void writeManifest(Manifest manifest, OutputStream out) throws IOException { |
| 255 | if (manifest == null) |
| 256 | return; |
| 257 | |
| 258 | manifest = clean(manifest); |
| 259 | outputManifest(manifest, out); |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Unfortunately we have to write our own manifest :-( because of a stupid |
| 264 | * bug in the manifest code. It tries to handle UTF-8 but the way it does it |
| 265 | * it makes the bytes platform dependent. |
| 266 | * |
| 267 | * So the following code outputs the manifest. |
| 268 | * |
| 269 | * A Manifest consists of |
| 270 | * |
| 271 | * <pre> |
| 272 | * 'Manifest-Version: 1.0\r\n' |
| 273 | * main-attributes * |
| 274 | * \r\n |
| 275 | * name-section |
| 276 | * |
| 277 | * main-attributes ::= attributes |
| 278 | * attributes ::= key ': ' value '\r\n' |
| 279 | * name-section ::= 'Name: ' name '\r\n' attributes |
| 280 | * </pre> |
| 281 | * |
| 282 | * Lines in the manifest should not exceed 72 bytes (! this is where the |
| 283 | * manifest screwed up as well when 16 bit unicodes were used). |
| 284 | * |
| 285 | * <p> |
| 286 | * As a bonus, we can now sort the manifest! |
| 287 | */ |
| 288 | static byte[] CONTINUE = new byte[] {'\r','\n', ' '}; |
| 289 | |
| 290 | /** |
| 291 | * Main function to output a manifest properly in UTF-8. |
| 292 | * |
| 293 | * @param manifest |
| 294 | * The manifest to output |
| 295 | * @param out |
| 296 | * The output stream |
| 297 | * @throws IOException |
| 298 | * when something fails |
| 299 | */ |
| 300 | public static void outputManifest(Manifest manifest, OutputStream out) throws IOException { |
| 301 | writeEntry(out, "Manifest-Version", "1.0"); |
| 302 | attributes(manifest.getMainAttributes(), out); |
| 303 | |
| 304 | TreeSet<String> keys = new TreeSet<String>(); |
| 305 | for (Object o : manifest.getEntries().keySet()) |
| 306 | keys.add(o.toString()); |
| 307 | |
| 308 | for (String key : keys) { |
| 309 | write(out, 0, "\r\n"); |
| 310 | writeEntry(out, "Name", key); |
| 311 | attributes(manifest.getAttributes(key), out); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | /** |
| 316 | * Write out an entry, handling proper unicode and line length constraints |
| 317 | * |
| 318 | */ |
| 319 | private static void writeEntry(OutputStream out, String name, String value) throws IOException { |
| 320 | int n = write(out, 0, name + ": "); |
| 321 | n = write(out, n, value); |
| 322 | write(out, 0, "\r\n"); |
| 323 | } |
| 324 | |
| 325 | /** |
| 326 | * Convert a string to bytes with UTF8 and then output in max 72 bytes |
| 327 | * |
| 328 | * @param out |
| 329 | * the output string |
| 330 | * @param i |
| 331 | * the current width |
| 332 | * @param s |
| 333 | * the string to output |
| 334 | * @return the new width |
| 335 | * @throws IOException |
| 336 | * when something fails |
| 337 | */ |
| 338 | private static int write(OutputStream out, int i, String s) throws IOException { |
| 339 | byte[] bytes = s.getBytes("UTF8"); |
| 340 | return write(out, i, bytes); |
| 341 | } |
| 342 | |
| 343 | /** |
| 344 | * Write the bytes but ensure that the line length does not exceed 72 |
| 345 | * characters. If it is more than 70 characters, we just put a cr/lf + |
| 346 | * space. |
| 347 | * |
| 348 | * @param out |
| 349 | * The output stream |
| 350 | * @param width |
| 351 | * The nr of characters output in a line before this method |
| 352 | * started |
| 353 | * @param bytes |
| 354 | * the bytes to output |
| 355 | * @return the nr of characters in the last line |
| 356 | * @throws IOException |
| 357 | * if something fails |
| 358 | */ |
| 359 | private static int write(OutputStream out, int width, byte[] bytes) throws IOException { |
| 360 | for (int i = 0; i < bytes.length; i++) { |
| 361 | if (width >= 72) { // we need to add the \n\r! |
| 362 | out.write(CONTINUE); |
| 363 | width = 1; |
| 364 | } |
| 365 | out.write(bytes[i]); |
| 366 | width++; |
| 367 | } |
| 368 | return width; |
| 369 | } |
| 370 | |
| 371 | /** |
| 372 | * Output an Attributes map. We will sort this map before outputing. |
| 373 | * |
| 374 | * @param value |
| 375 | * the attrbutes |
| 376 | * @param out |
| 377 | * the output stream |
| 378 | * @throws IOException |
| 379 | * when something fails |
| 380 | */ |
| 381 | private static void attributes(Attributes value, OutputStream out) throws IOException { |
| 382 | TreeMap<String, String> map = new TreeMap<String, String>(String.CASE_INSENSITIVE_ORDER); |
| 383 | for (Map.Entry<Object, Object> entry : value.entrySet()) { |
| 384 | map.put(entry.getKey().toString(), entry.getValue().toString()); |
| 385 | } |
| 386 | |
| 387 | map.remove("Manifest-Version"); // get rid of |
| 388 | // manifest |
| 389 | // version |
| 390 | for (Map.Entry<String, String> entry : map.entrySet()) { |
| 391 | writeEntry(out, entry.getKey(), entry.getValue()); |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | private static Manifest clean(Manifest org) { |
| 396 | |
| 397 | Manifest result = new Manifest(); |
| 398 | for (Map.Entry<?, ?> entry : org.getMainAttributes().entrySet()) { |
| 399 | String nice = clean((String) entry.getValue()); |
| 400 | result.getMainAttributes().put(entry.getKey(), nice); |
| 401 | } |
| 402 | for (String name : org.getEntries().keySet()) { |
| 403 | Attributes attrs = result.getAttributes(name); |
| 404 | if (attrs == null) { |
| 405 | attrs = new Attributes(); |
| 406 | result.getEntries().put(name, attrs); |
| 407 | } |
| 408 | |
| 409 | for (Map.Entry<?, ?> entry : org.getAttributes(name).entrySet()) { |
| 410 | String nice = clean((String) entry.getValue()); |
| 411 | attrs.put((Attributes.Name) entry.getKey(), nice); |
| 412 | } |
| 413 | } |
| 414 | return result; |
| 415 | } |
| 416 | |
| 417 | private static String clean(String s) { |
| 418 | if (s.indexOf('\n') < 0) |
| 419 | return s; |
| 420 | |
| 421 | StringBuffer sb = new StringBuffer(s); |
| 422 | for (int i = 0; i < sb.length(); i++) { |
| 423 | if (sb.charAt(i) == '\n') |
| 424 | sb.insert(++i, ' '); |
| 425 | } |
| 426 | return sb.toString(); |
| 427 | } |
| 428 | |
| 429 | private void writeResource(ZipOutputStream jout, Set<String> directories, String path, |
| 430 | Resource resource) throws Exception { |
| 431 | if (resource == null) |
| 432 | return; |
| 433 | |
| 434 | createDirectories(directories, jout, path); |
| 435 | ZipEntry ze = new ZipEntry(path); |
| 436 | ze.setMethod(ZipEntry.DEFLATED); |
| 437 | long lastModified = resource.lastModified(); |
| 438 | if (lastModified == 0L) { |
| 439 | lastModified = System.currentTimeMillis(); |
| 440 | } |
| 441 | ze.setTime(lastModified); |
| 442 | if (resource.getExtra() != null) |
| 443 | ze.setExtra(resource.getExtra().getBytes()); |
| 444 | jout.putNextEntry(ze); |
| 445 | resource.write(jout); |
| 446 | jout.closeEntry(); |
| 447 | } |
| 448 | |
| 449 | void createDirectories(Set<String> directories, ZipOutputStream zip, String name) |
| 450 | throws IOException { |
| 451 | int index = name.lastIndexOf('/'); |
| 452 | if (index > 0) { |
| 453 | String path = name.substring(0, index); |
| 454 | if (directories.contains(path)) |
| 455 | return; |
| 456 | createDirectories(directories, zip, path); |
| 457 | ZipEntry ze = new ZipEntry(path + '/'); |
| 458 | zip.putNextEntry(ze); |
| 459 | zip.closeEntry(); |
| 460 | directories.add(path); |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | public String getName() { |
| 465 | return name; |
| 466 | } |
| 467 | |
| 468 | /** |
| 469 | * Add all the resources in the given jar that match the given filter. |
| 470 | * |
| 471 | * @param sub |
| 472 | * the jar |
| 473 | * @param filter |
| 474 | * a pattern that should match the resoures in sub to be added |
| 475 | */ |
| 476 | public boolean addAll(Jar sub, Instruction filter) { |
| 477 | return addAll(sub, filter, ""); |
| 478 | } |
| 479 | |
| 480 | /** |
| 481 | * Add all the resources in the given jar that match the given filter. |
| 482 | * |
| 483 | * @param sub |
| 484 | * the jar |
| 485 | * @param filter |
| 486 | * a pattern that should match the resoures in sub to be added |
| 487 | */ |
| 488 | public boolean addAll(Jar sub, Instruction filter, String destination) { |
| 489 | boolean dupl = false; |
| 490 | for (String name : sub.getResources().keySet()) { |
| 491 | if ("META-INF/MANIFEST.MF".equals(name)) |
| 492 | continue; |
| 493 | |
| 494 | if (filter == null || filter.matches(name) != filter.isNegated()) |
| 495 | dupl |= putResource(Processor.appendPath(destination, name), sub.getResource(name), |
| 496 | true); |
| 497 | } |
| 498 | return dupl; |
| 499 | } |
| 500 | |
| 501 | public void close() { |
| 502 | if (zipFile != null) |
| 503 | try { |
| 504 | zipFile.close(); |
| 505 | } catch (IOException e) { |
| 506 | // Ignore |
| 507 | } |
| 508 | resources = null; |
| 509 | directories = null; |
| 510 | manifest = null; |
| 511 | source = null; |
| 512 | } |
| 513 | |
| 514 | public long lastModified() { |
| 515 | return lastModified; |
| 516 | } |
| 517 | |
| 518 | public void updateModified(long time, String reason) { |
| 519 | if (time > lastModified) { |
| 520 | lastModified = time; |
| 521 | lastModifiedReason = reason; |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | public void setReporter(Reporter reporter) { |
| 526 | this.reporter = reporter; |
| 527 | } |
| 528 | |
| 529 | public boolean hasDirectory(String path) { |
| 530 | return directories.get(path) != null; |
| 531 | } |
| 532 | |
| 533 | public List<String> getPackages() { |
| 534 | List<String> list = new ArrayList<String>(directories.size()); |
| 535 | |
| 536 | for (Map.Entry<String, Map<String, Resource>> i : directories.entrySet()) { |
| 537 | if (i.getValue() != null) { |
| 538 | String path = i.getKey(); |
| 539 | String pack = path.replace('/', '.'); |
| 540 | list.add(pack); |
| 541 | } |
| 542 | } |
| 543 | return list; |
| 544 | } |
| 545 | |
| 546 | public File getSource() { |
| 547 | return source; |
| 548 | } |
| 549 | |
| 550 | public boolean addAll(Jar src) { |
| 551 | return addAll(src, null); |
| 552 | } |
| 553 | |
| 554 | public boolean rename(String oldPath, String newPath) { |
| 555 | Resource resource = remove(oldPath); |
| 556 | if (resource == null) |
| 557 | return false; |
| 558 | |
| 559 | return putResource(newPath, resource); |
| 560 | } |
| 561 | |
| 562 | public Resource remove(String path) { |
| 563 | Resource resource = resources.remove(path); |
| 564 | String dir = getDirectory(path); |
| 565 | Map<String, Resource> mdir = directories.get(dir); |
| 566 | // must be != null |
| 567 | mdir.remove(path); |
| 568 | return resource; |
| 569 | } |
| 570 | |
| 571 | /** |
| 572 | * Make sure nobody touches the manifest! If the bundle is signed, we do not |
| 573 | * want anybody to touch the manifest after the digests have been |
| 574 | * calculated. |
| 575 | */ |
| 576 | public void setDoNotTouchManifest() { |
| 577 | doNotTouchManifest = true; |
| 578 | } |
| 579 | |
| 580 | /** |
| 581 | * Calculate the checksums and set them in the manifest. |
| 582 | */ |
| 583 | |
| 584 | public void calcChecksums(String algorithms[]) throws Exception { |
| 585 | if (algorithms == null) |
| 586 | algorithms = new String[] { "SHA", "MD5" }; |
| 587 | |
| 588 | Manifest m = getManifest(); |
| 589 | if ( m == null) { |
| 590 | m= new Manifest(); |
| 591 | setManifest(m); |
| 592 | } |
| 593 | |
| 594 | MessageDigest digests[] = new MessageDigest[algorithms.length]; |
| 595 | int n = 0; |
| 596 | for (String algorithm : algorithms) |
| 597 | digests[n++] = MessageDigest.getInstance(algorithm); |
| 598 | |
| 599 | byte buffer[] = new byte[30000]; |
| 600 | |
| 601 | for (Map.Entry<String, Resource> entry : resources.entrySet()) { |
| 602 | |
| 603 | // Skip the manifest |
| 604 | if (entry.getKey().equals("META-INF/MANIFEST.MF")) |
| 605 | continue; |
| 606 | |
| 607 | Resource r = entry.getValue(); |
| 608 | Attributes attributes = m.getAttributes(entry.getKey()); |
| 609 | if (attributes == null) { |
| 610 | attributes = new Attributes(); |
| 611 | getManifest().getEntries().put(entry.getKey(), attributes); |
| 612 | } |
| 613 | InputStream in = r.openInputStream(); |
| 614 | try { |
| 615 | for (MessageDigest d : digests) |
| 616 | d.reset(); |
| 617 | int size = in.read(buffer); |
| 618 | while (size > 0) { |
| 619 | for (MessageDigest d : digests) |
| 620 | d.update(buffer, 0, size); |
| 621 | size = in.read(buffer); |
| 622 | } |
| 623 | } finally { |
| 624 | in.close(); |
| 625 | } |
| 626 | for (MessageDigest d : digests) |
| 627 | attributes.putValue(d.getAlgorithm() + "-Digest", Base64.encodeBase64(d.digest())); |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | Pattern BSN = Pattern.compile("\\s*([-\\w\\d\\._]+)\\s*;?.*"); |
| 632 | |
| 633 | public String getBsn() throws Exception { |
| 634 | Manifest m = getManifest(); |
| 635 | if (m == null) |
| 636 | return null; |
| 637 | |
| 638 | String s = m.getMainAttributes().getValue(Constants.BUNDLE_SYMBOLICNAME); |
| 639 | Matcher matcher = BSN.matcher(s); |
| 640 | if (matcher.matches()) { |
| 641 | return matcher.group(1); |
| 642 | } |
| 643 | return null; |
| 644 | } |
| 645 | |
| 646 | public String getVersion() throws Exception { |
| 647 | Manifest m = getManifest(); |
| 648 | if (m == null) |
| 649 | return null; |
| 650 | |
| 651 | String s = m.getMainAttributes().getValue(Constants.BUNDLE_VERSION); |
| 652 | if (s == null) |
| 653 | return null; |
| 654 | |
| 655 | return s.trim(); |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * Expand the JAR file to a directory. |
| 660 | * |
| 661 | * @param dir |
| 662 | * the dst directory, is not required to exist |
| 663 | * @throws Exception |
| 664 | * if anything does not work as expected. |
| 665 | */ |
| 666 | public void expand(File dir) throws Exception { |
| 667 | dir = dir.getAbsoluteFile(); |
| 668 | dir.mkdirs(); |
| 669 | if (!dir.isDirectory()) { |
| 670 | throw new IllegalArgumentException("Not a dir: " + dir.getAbsolutePath()); |
| 671 | } |
| 672 | |
| 673 | for (Map.Entry<String, Resource> entry : getResources().entrySet()) { |
| 674 | File f = getFile(dir, entry.getKey()); |
| 675 | f.getParentFile().mkdirs(); |
| 676 | copy(entry.getValue().openInputStream(), f); |
| 677 | } |
| 678 | } |
| 679 | |
| 680 | /** |
| 681 | * Make sure we have a manifest |
| 682 | * @throws Exception |
| 683 | */ |
| 684 | public void ensureManifest() throws Exception { |
| 685 | if ( getManifest() != null) |
| 686 | return; |
| 687 | manifest = new Manifest(); |
| 688 | } |
| 689 | |
| 690 | } |