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| 1 | /* | ||
| 2 | * Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.tools.jar; | ||
| 27 | |||
| 28 | import java.io.*; | ||
| 29 | import java.nio.file.Path; | ||
| 30 | import java.nio.file.Files; | ||
| 31 | import java.util.*; | ||
| 32 | import java.util.zip.*; | ||
| 33 | import java.util.jar.*; | ||
| 34 | import java.util.jar.Manifest; | ||
| 35 | import java.text.MessageFormat; | ||
| 36 | import sun.misc.JarIndex; | ||
| 37 | import static sun.misc.JarIndex.INDEX_NAME; | ||
| 38 | import static java.util.jar.JarFile.MANIFEST_NAME; | ||
| 39 | import static java.nio.file.StandardCopyOption.REPLACE_EXISTING; | ||
| 40 | |||
| 41 | /** | ||
| 42 | * This class implements a simple utility for creating files in the JAR | ||
| 43 | * (Java Archive) file format. The JAR format is based on the ZIP file | ||
| 44 | * format, with optional meta-information stored in a MANIFEST entry. | ||
| 45 | */ | ||
| 46 | public | ||
| 47 | class Main { | ||
| 48 | String program; | ||
| 49 | PrintStream out, err; | ||
| 50 | String fname, mname, ename; | ||
| 51 | String zname = ""; | ||
| 52 | String[] files; | ||
| 53 | String rootjar = null; | ||
| 54 | |||
| 55 | // An entryName(path)->File map generated during "expand", it helps to | ||
| 56 | // decide whether or not an existing entry in a jar file needs to be | ||
| 57 | // replaced, during the "update" operation. | ||
| 58 | Map<String, File> entryMap = new HashMap<String, File>(); | ||
| 59 | |||
| 60 | // All files need to be added/updated. | ||
| 61 | Set<File> entries = new LinkedHashSet<File>(); | ||
| 62 | |||
| 63 | // Directories specified by "-C" operation. | ||
| 64 | Set<String> paths = new HashSet<String>(); | ||
| 65 | |||
| 66 | /* | ||
| 67 | * cflag: create | ||
| 68 | * uflag: update | ||
| 69 | * xflag: xtract | ||
| 70 | * tflag: table | ||
| 71 | * vflag: verbose | ||
| 72 | * flag0: no zip compression (store only) | ||
| 73 | * Mflag: DO NOT generate a manifest file (just ZIP) | ||
| 74 | * iflag: generate jar index | ||
| 75 | */ | ||
| 76 | boolean cflag, uflag, xflag, tflag, vflag, flag0, Mflag, iflag; | ||
| 77 | |||
| 78 | static final String MANIFEST_DIR = "META-INF/"; | ||
| 79 | static final String VERSION = "1.0"; | ||
| 80 | |||
| 81 | private static ResourceBundle rsrc; | ||
| 82 | |||
| 83 | /** | ||
| 84 | * If true, maintain compatibility with JDK releases prior to 6.0 by | ||
| 85 | * timestamping extracted files with the time at which they are extracted. | ||
| 86 | * Default is to use the time given in the archive. | ||
| 87 | */ | ||
| 88 | private static final boolean useExtractionTime = | ||
| 89 | Boolean.getBoolean("sun.tools.jar.useExtractionTime"); | ||
| 90 | |||
| 91 | /** | ||
| 92 | * Initialize ResourceBundle | ||
| 93 | */ | ||
| 94 | static { | ||
| 95 | try { | ||
| 96 | rsrc = ResourceBundle.getBundle("sun.tools.jar.resources.jar"); | ||
| 97 | } catch (MissingResourceException e) { | ||
| 98 | throw new Error("Fatal: Resource for jar is missing"); | ||
| 99 | } | ||
| 100 | } | ||
| 101 | |||
| 102 | private String getMsg(String key) { | ||
| 103 | try { | ||
| 104 | return (rsrc.getString(key)); | ||
| 105 | } catch (MissingResourceException e) { | ||
| 106 | throw new Error("Error in message file"); | ||
| 107 | } | ||
| 108 | } | ||
| 109 | |||
| 110 | private String formatMsg(String key, String arg) { | ||
| 111 | String msg = getMsg(key); | ||
| 112 | String[] args = new String[1]; | ||
| 113 | args[0] = arg; | ||
| 114 | return MessageFormat.format(msg, (Object[]) args); | ||
| 115 | } | ||
| 116 | |||
| 117 | private String formatMsg2(String key, String arg, String arg1) { | ||
| 118 | String msg = getMsg(key); | ||
| 119 | String[] args = new String[2]; | ||
| 120 | args[0] = arg; | ||
| 121 | args[1] = arg1; | ||
| 122 | return MessageFormat.format(msg, (Object[]) args); | ||
| 123 | } | ||
| 124 | |||
| 125 | public Main(PrintStream out, PrintStream err, String program) { | ||
| 126 | this.out = out; | ||
| 127 | this.err = err; | ||
| 128 | this.program = program; | ||
| 129 | } | ||
| 130 | |||
| 131 | /** | ||
| 132 | * Creates a new empty temporary file in the same directory as the | ||
| 133 | * specified file. A variant of File.createTempFile. | ||
| 134 | */ | ||
| 135 | private static File createTempFileInSameDirectoryAs(File file) | ||
| 136 | throws IOException { | ||
| 137 | File dir = file.getParentFile(); | ||
| 138 | if (dir == null) | ||
| 139 | dir = new File("."); | ||
| 140 | return File.createTempFile("jartmp", null, dir); | ||
| 141 | } | ||
| 142 | |||
| 143 | private boolean ok; | ||
| 144 | |||
| 145 | /** | ||
| 146 | * Starts main program with the specified arguments. | ||
| 147 | */ | ||
| 148 | public synchronized boolean run(String args[]) { | ||
| 149 | ok = true; | ||
| 150 | if (!parseArgs(args)) { | ||
| 151 | return false; | ||
| 152 | } | ||
| 153 | try { | ||
| 154 | if (cflag || uflag) { | ||
| 155 | if (fname != null) { | ||
| 156 | // The name of the zip file as it would appear as its own | ||
| 157 | // zip file entry. We use this to make sure that we don't | ||
| 158 | // add the zip file to itself. | ||
| 159 | zname = fname.replace(File.separatorChar, '/'); | ||
| 160 | if (zname.startsWith("./")) { | ||
| 161 | zname = zname.substring(2); | ||
| 162 | } | ||
| 163 | } | ||
| 164 | } | ||
| 165 | if (cflag) { | ||
| 166 | Manifest manifest = null; | ||
| 167 | InputStream in = null; | ||
| 168 | |||
| 169 | if (!Mflag) { | ||
| 170 | if (mname != null) { | ||
| 171 | in = new FileInputStream(mname); | ||
| 172 | manifest = new Manifest(new BufferedInputStream(in)); | ||
| 173 | } else { | ||
| 174 | manifest = new Manifest(); | ||
| 175 | } | ||
| 176 | addVersion(manifest); | ||
| 177 | addCreatedBy(manifest); | ||
| 178 | if (isAmbiguousMainClass(manifest)) { | ||
| 179 | if (in != null) { | ||
| 180 | in.close(); | ||
| 181 | } | ||
| 182 | return false; | ||
| 183 | } | ||
| 184 | if (ename != null) { | ||
| 185 | addMainClass(manifest, ename); | ||
| 186 | } | ||
| 187 | } | ||
| 188 | OutputStream out; | ||
| 189 | if (fname != null) { | ||
| 190 | out = new FileOutputStream(fname); | ||
| 191 | } else { | ||
| 192 | out = new FileOutputStream(FileDescriptor.out); | ||
| 193 | if (vflag) { | ||
| 194 | // Disable verbose output so that it does not appear | ||
| 195 | // on stdout along with file data | ||
| 196 | // error("Warning: -v option ignored"); | ||
| 197 | vflag = false; | ||
| 198 | } | ||
| 199 | } | ||
| 200 | expand(null, files, false); | ||
| 201 | create(new BufferedOutputStream(out, 4096), manifest); | ||
| 202 | if (in != null) { | ||
| 203 | in.close(); | ||
| 204 | } | ||
| 205 | out.close(); | ||
| 206 | } else if (uflag) { | ||
| 207 | File inputFile = null, tmpFile = null; | ||
| 208 | FileInputStream in; | ||
| 209 | FileOutputStream out; | ||
| 210 | if (fname != null) { | ||
| 211 | inputFile = new File(fname); | ||
| 212 | tmpFile = createTempFileInSameDirectoryAs(inputFile); | ||
| 213 | in = new FileInputStream(inputFile); | ||
| 214 | out = new FileOutputStream(tmpFile); | ||
| 215 | } else { | ||
| 216 | in = new FileInputStream(FileDescriptor.in); | ||
| 217 | out = new FileOutputStream(FileDescriptor.out); | ||
| 218 | vflag = false; | ||
| 219 | } | ||
| 220 | InputStream manifest = (!Mflag && (mname != null)) ? | ||
| 221 | (new FileInputStream(mname)) : null; | ||
| 222 | expand(null, files, true); | ||
| 223 | boolean updateOk = update(in, new BufferedOutputStream(out), | ||
| 224 | manifest, null); | ||
| 225 | if (ok) { | ||
| 226 | ok = updateOk; | ||
| 227 | } | ||
| 228 | in.close(); | ||
| 229 | out.close(); | ||
| 230 | if (manifest != null) { | ||
| 231 | manifest.close(); | ||
| 232 | } | ||
| 233 | if (fname != null) { | ||
| 234 | // on Win32, we need this delete | ||
| 235 | inputFile.delete(); | ||
| 236 | if (!tmpFile.renameTo(inputFile)) { | ||
| 237 | tmpFile.delete(); | ||
| 238 | throw new IOException(getMsg("error.write.file")); | ||
| 239 | } | ||
| 240 | tmpFile.delete(); | ||
| 241 | } | ||
| 242 | } else if (tflag) { | ||
| 243 | replaceFSC(files); | ||
| 244 | if (fname != null) { | ||
| 245 | list(fname, files); | ||
| 246 | } else { | ||
| 247 | InputStream in = new FileInputStream(FileDescriptor.in); | ||
| 248 | try{ | ||
| 249 | list(new BufferedInputStream(in), files); | ||
| 250 | } finally { | ||
| 251 | in.close(); | ||
| 252 | } | ||
| 253 | } | ||
| 254 | } else if (xflag) { | ||
| 255 | replaceFSC(files); | ||
| 256 | if (fname != null && files != null) { | ||
| 257 | extract(fname, files); | ||
| 258 | } else { | ||
| 259 | InputStream in = (fname == null) | ||
| 260 | ? new FileInputStream(FileDescriptor.in) | ||
| 261 | : new FileInputStream(fname); | ||
| 262 | try { | ||
| 263 | extract(new BufferedInputStream(in), files); | ||
| 264 | } finally { | ||
| 265 | in.close(); | ||
| 266 | } | ||
| 267 | } | ||
| 268 | } else if (iflag) { | ||
| 269 | genIndex(rootjar, files); | ||
| 270 | } | ||
| 271 | } catch (IOException e) { | ||
| 272 | fatalError(e); | ||
| 273 | ok = false; | ||
| 274 | } catch (Error ee) { | ||
| 275 | ee.printStackTrace(); | ||
| 276 | ok = false; | ||
| 277 | } catch (Throwable t) { | ||
| 278 | t.printStackTrace(); | ||
| 279 | ok = false; | ||
| 280 | } | ||
| 281 | out.flush(); | ||
| 282 | err.flush(); | ||
| 283 | return ok; | ||
| 284 | } | ||
| 285 | |||
| 286 | /** | ||
| 287 | * Parses command line arguments. | ||
| 288 | */ | ||
| 289 | boolean parseArgs(String args[]) { | ||
| 290 | /* Preprocess and expand @file arguments */ | ||
| 291 | try { | ||
| 292 | args = CommandLine.parse(args); | ||
| 293 | } catch (FileNotFoundException e) { | ||
| 294 | fatalError(formatMsg("error.cant.open", e.getMessage())); | ||
| 295 | return false; | ||
| 296 | } catch (IOException e) { | ||
| 297 | fatalError(e); | ||
| 298 | return false; | ||
| 299 | } | ||
| 300 | /* parse flags */ | ||
| 301 | int count = 1; | ||
| 302 | try { | ||
| 303 | String flags = args[0]; | ||
| 304 | if (flags.startsWith("-")) { | ||
| 305 | flags = flags.substring(1); | ||
| 306 | } | ||
| 307 | for (int i = 0; i < flags.length(); i++) { | ||
| 308 | switch (flags.charAt(i)) { | ||
| 309 | case 'c': | ||
| 310 | if (xflag || tflag || uflag || iflag) { | ||
| 311 | usageError(); | ||
| 312 | return false; | ||
| 313 | } | ||
| 314 | cflag = true; | ||
| 315 | break; | ||
| 316 | case 'u': | ||
| 317 | if (cflag || xflag || tflag || iflag) { | ||
| 318 | usageError(); | ||
| 319 | return false; | ||
| 320 | } | ||
| 321 | uflag = true; | ||
| 322 | break; | ||
| 323 | case 'x': | ||
| 324 | if (cflag || uflag || tflag || iflag) { | ||
| 325 | usageError(); | ||
| 326 | return false; | ||
| 327 | } | ||
| 328 | xflag = true; | ||
| 329 | break; | ||
| 330 | case 't': | ||
| 331 | if (cflag || uflag || xflag || iflag) { | ||
| 332 | usageError(); | ||
| 333 | return false; | ||
| 334 | } | ||
| 335 | tflag = true; | ||
| 336 | break; | ||
| 337 | case 'M': | ||
| 338 | Mflag = true; | ||
| 339 | break; | ||
| 340 | case 'v': | ||
| 341 | vflag = true; | ||
| 342 | break; | ||
| 343 | case 'f': | ||
| 344 | fname = args[count++]; | ||
| 345 | break; | ||
| 346 | case 'm': | ||
| 347 | mname = args[count++]; | ||
| 348 | break; | ||
| 349 | case '0': | ||
| 350 | flag0 = true; | ||
| 351 | break; | ||
| 352 | case 'i': | ||
| 353 | if (cflag || uflag || xflag || tflag) { | ||
| 354 | usageError(); | ||
| 355 | return false; | ||
| 356 | } | ||
| 357 | // do not increase the counter, files will contain rootjar | ||
| 358 | rootjar = args[count++]; | ||
| 359 | iflag = true; | ||
| 360 | break; | ||
| 361 | case 'e': | ||
| 362 | ename = args[count++]; | ||
| 363 | break; | ||
| 364 | default: | ||
| 365 | error(formatMsg("error.illegal.option", | ||
| 366 | String.valueOf(flags.charAt(i)))); | ||
| 367 | usageError(); | ||
| 368 | return false; | ||
| 369 | } | ||
| 370 | } | ||
| 371 | } catch (ArrayIndexOutOfBoundsException e) { | ||
| 372 | usageError(); | ||
| 373 | return false; | ||
| 374 | } | ||
| 375 | if (!cflag && !tflag && !xflag && !uflag && !iflag) { | ||
| 376 | error(getMsg("error.bad.option")); | ||
| 377 | usageError(); | ||
| 378 | return false; | ||
| 379 | } | ||
| 380 | /* parse file arguments */ | ||
| 381 | int n = args.length - count; | ||
| 382 | if (n > 0) { | ||
| 383 | int k = 0; | ||
| 384 | String[] nameBuf = new String[n]; | ||
| 385 | try { | ||
| 386 | for (int i = count; i < args.length; i++) { | ||
| 387 | if (args[i].equals("-C")) { | ||
| 388 | /* change the directory */ | ||
| 389 | String dir = args[++i]; | ||
| 390 | dir = (dir.endsWith(File.separator) ? | ||
| 391 | dir : (dir + File.separator)); | ||
| 392 | dir = dir.replace(File.separatorChar, '/'); | ||
| 393 | while (dir.indexOf("//") > -1) { | ||
| 394 | dir = dir.replace("//", "/"); | ||
| 395 | } | ||
| 396 | paths.add(dir.replace(File.separatorChar, '/')); | ||
| 397 | nameBuf[k++] = dir + args[++i]; | ||
| 398 | } else { | ||
| 399 | nameBuf[k++] = args[i]; | ||
| 400 | } | ||
| 401 | } | ||
| 402 | } catch (ArrayIndexOutOfBoundsException e) { | ||
| 403 | usageError(); | ||
| 404 | return false; | ||
| 405 | } | ||
| 406 | files = new String[k]; | ||
| 407 | System.arraycopy(nameBuf, 0, files, 0, k); | ||
| 408 | } else if (cflag && (mname == null)) { | ||
| 409 | error(getMsg("error.bad.cflag")); | ||
| 410 | usageError(); | ||
| 411 | return false; | ||
| 412 | } else if (uflag) { | ||
| 413 | if ((mname != null) || (ename != null)) { | ||
| 414 | /* just want to update the manifest */ | ||
| 415 | return true; | ||
| 416 | } else { | ||
| 417 | error(getMsg("error.bad.uflag")); | ||
| 418 | usageError(); | ||
| 419 | return false; | ||
| 420 | } | ||
| 421 | } | ||
| 422 | return true; | ||
| 423 | } | ||
| 424 | |||
| 425 | /** | ||
| 426 | * Expands list of files to process into full list of all files that | ||
| 427 | * can be found by recursively descending directories. | ||
| 428 | */ | ||
| 429 | void expand(File dir, String[] files, boolean isUpdate) { | ||
| 430 | if (files == null) { | ||
| 431 | return; | ||
| 432 | } | ||
| 433 | for (int i = 0; i < files.length; i++) { | ||
| 434 | File f; | ||
| 435 | if (dir == null) { | ||
| 436 | f = new File(files[i]); | ||
| 437 | } else { | ||
| 438 | f = new File(dir, files[i]); | ||
| 439 | } | ||
| 440 | if (f.isFile()) { | ||
| 441 | if (entries.add(f)) { | ||
| 442 | if (isUpdate) | ||
| 443 | entryMap.put(entryName(f.getPath()), f); | ||
| 444 | } | ||
| 445 | } else if (f.isDirectory()) { | ||
| 446 | if (entries.add(f)) { | ||
| 447 | if (isUpdate) { | ||
| 448 | String dirPath = f.getPath(); | ||
| 449 | dirPath = (dirPath.endsWith(File.separator)) ? dirPath : | ||
| 450 | (dirPath + File.separator); | ||
| 451 | entryMap.put(entryName(dirPath), f); | ||
| 452 | } | ||
| 453 | expand(f, f.list(), isUpdate); | ||
| 454 | } | ||
| 455 | } else { | ||
| 456 | error(formatMsg("error.nosuch.fileordir", String.valueOf(f))); | ||
| 457 | ok = false; | ||
| 458 | } | ||
| 459 | } | ||
| 460 | } | ||
| 461 | |||
| 462 | /** | ||
| 463 | * Creates a new JAR file. | ||
| 464 | */ | ||
| 465 | void create(OutputStream out, Manifest manifest) | ||
| 466 | throws IOException | ||
| 467 | { | ||
| 468 | ZipOutputStream zos = new JarOutputStream(out); | ||
| 469 | if (flag0) { | ||
| 470 | zos.setMethod(ZipOutputStream.STORED); | ||
| 471 | } | ||
| 472 | if (manifest != null) { | ||
| 473 | if (vflag) { | ||
| 474 | output(getMsg("out.added.manifest")); | ||
| 475 | } | ||
| 476 | ZipEntry e = new ZipEntry(MANIFEST_DIR); | ||
| 477 | e.setTime(System.currentTimeMillis()); | ||
| 478 | e.setSize(0); | ||
| 479 | e.setCrc(0); | ||
| 480 | zos.putNextEntry(e); | ||
| 481 | e = new ZipEntry(MANIFEST_NAME); | ||
| 482 | e.setTime(System.currentTimeMillis()); | ||
| 483 | if (flag0) { | ||
| 484 | crc32Manifest(e, manifest); | ||
| 485 | } | ||
| 486 | zos.putNextEntry(e); | ||
| 487 | manifest.write(zos); | ||
| 488 | zos.closeEntry(); | ||
| 489 | } | ||
| 490 | for (File file: entries) { | ||
| 491 | addFile(zos, file); | ||
| 492 | } | ||
| 493 | zos.close(); | ||
| 494 | } | ||
| 495 | |||
| 496 | private char toUpperCaseASCII(char c) { | ||
| 497 | return (c < 'a' || c > 'z') ? c : (char) (c + 'A' - 'a'); | ||
| 498 | } | ||
| 499 | |||
| 500 | /** | ||
| 501 | * Compares two strings for equality, ignoring case. The second | ||
| 502 | * argument must contain only upper-case ASCII characters. | ||
| 503 | * We don't want case comparison to be locale-dependent (else we | ||
| 504 | * have the notorious "turkish i bug"). | ||
| 505 | */ | ||
| 506 | private boolean equalsIgnoreCase(String s, String upper) { | ||
| 507 | assert upper.toUpperCase(java.util.Locale.ENGLISH).equals(upper); | ||
| 508 | int len; | ||
| 509 | if ((len = s.length()) != upper.length()) | ||
| 510 | return false; | ||
| 511 | for (int i = 0; i < len; i++) { | ||
| 512 | char c1 = s.charAt(i); | ||
| 513 | char c2 = upper.charAt(i); | ||
| 514 | if (c1 != c2 && toUpperCaseASCII(c1) != c2) | ||
| 515 | return false; | ||
| 516 | } | ||
| 517 | return true; | ||
| 518 | } | ||
| 519 | |||
| 520 | /** | ||
| 521 | * Updates an existing jar file. | ||
| 522 | */ | ||
| 523 | boolean update(InputStream in, OutputStream out, | ||
| 524 | InputStream newManifest, | ||
| 525 | JarIndex jarIndex) throws IOException | ||
| 526 | { | ||
| 527 | ZipInputStream zis = new ZipInputStream(in); | ||
| 528 | ZipOutputStream zos = new JarOutputStream(out); | ||
| 529 | ZipEntry e = null; | ||
| 530 | boolean foundManifest = false; | ||
| 531 | boolean updateOk = true; | ||
| 532 | |||
| 533 | if (jarIndex != null) { | ||
| 534 | addIndex(jarIndex, zos); | ||
| 535 | } | ||
| 536 | |||
| 537 | // put the old entries first, replace if necessary | ||
| 538 | while ((e = zis.getNextEntry()) != null) { | ||
| 539 | String name = e.getName(); | ||
| 540 | |||
| 541 | boolean isManifestEntry = equalsIgnoreCase(name, MANIFEST_NAME); | ||
| 542 | |||
| 543 | if ((jarIndex != null && equalsIgnoreCase(name, INDEX_NAME)) | ||
| 544 | || (Mflag && isManifestEntry)) { | ||
| 545 | continue; | ||
| 546 | } else if (isManifestEntry && ((newManifest != null) || | ||
| 547 | (ename != null))) { | ||
| 548 | foundManifest = true; | ||
| 549 | if (newManifest != null) { | ||
| 550 | // Don't read from the newManifest InputStream, as we | ||
| 551 | // might need it below, and we can't re-read the same data | ||
| 552 | // twice. | ||
| 553 | FileInputStream fis = new FileInputStream(mname); | ||
| 554 | boolean ambiguous = isAmbiguousMainClass(new Manifest(fis)); | ||
| 555 | fis.close(); | ||
| 556 | if (ambiguous) { | ||
| 557 | return false; | ||
| 558 | } | ||
| 559 | } | ||
| 560 | |||
| 561 | // Update the manifest. | ||
| 562 | Manifest old = new Manifest(zis); | ||
| 563 | if (newManifest != null) { | ||
| 564 | old.read(newManifest); | ||
| 565 | } | ||
| 566 | updateManifest(old, zos); | ||
| 567 | } else { | ||
| 568 | if (!entryMap.containsKey(name)) { // copy the old stuff | ||
| 569 | // do our own compression | ||
| 570 | ZipEntry e2 = new ZipEntry(name); | ||
| 571 | e2.setMethod(e.getMethod()); | ||
| 572 | e2.setTime(e.getTime()); | ||
| 573 | e2.setComment(e.getComment()); | ||
| 574 | e2.setExtra(e.getExtra()); | ||
| 575 | if (e.getMethod() == ZipEntry.STORED) { | ||
| 576 | e2.setSize(e.getSize()); | ||
| 577 | e2.setCrc(e.getCrc()); | ||
| 578 | } | ||
| 579 | zos.putNextEntry(e2); | ||
| 580 | copy(zis, zos); | ||
| 581 | } else { // replace with the new files | ||
| 582 | File f = entryMap.get(name); | ||
| 583 | addFile(zos, f); | ||
| 584 | entryMap.remove(name); | ||
| 585 | entries.remove(f); | ||
| 586 | } | ||
| 587 | } | ||
| 588 | } | ||
| 589 | |||
| 590 | // add the remaining new files | ||
| 591 | for (File f: entries) { | ||
| 592 | addFile(zos, f); | ||
| 593 | } | ||
| 594 | if (!foundManifest) { | ||
| 595 | if (newManifest != null) { | ||
| 596 | Manifest m = new Manifest(newManifest); | ||
| 597 | updateOk = !isAmbiguousMainClass(m); | ||
| 598 | if (updateOk) { | ||
| 599 | updateManifest(m, zos); | ||
| 600 | } | ||
| 601 | } else if (ename != null) { | ||
| 602 | updateManifest(new Manifest(), zos); | ||
| 603 | } | ||
| 604 | } | ||
| 605 | zis.close(); | ||
| 606 | zos.close(); | ||
| 607 | return updateOk; | ||
| 608 | } | ||
| 609 | |||
| 610 | |||
| 611 | private void addIndex(JarIndex index, ZipOutputStream zos) | ||
| 612 | throws IOException | ||
| 613 | { | ||
| 614 | ZipEntry e = new ZipEntry(INDEX_NAME); | ||
| 615 | e.setTime(System.currentTimeMillis()); | ||
| 616 | if (flag0) { | ||
| 617 | CRC32OutputStream os = new CRC32OutputStream(); | ||
| 618 | index.write(os); | ||
| 619 | os.updateEntry(e); | ||
| 620 | } | ||
| 621 | zos.putNextEntry(e); | ||
| 622 | index.write(zos); | ||
| 623 | zos.closeEntry(); | ||
| 624 | } | ||
| 625 | |||
| 626 | private void updateManifest(Manifest m, ZipOutputStream zos) | ||
| 627 | throws IOException | ||
| 628 | { | ||
| 629 | addVersion(m); | ||
| 630 | addCreatedBy(m); | ||
| 631 | if (ename != null) { | ||
| 632 | addMainClass(m, ename); | ||
| 633 | } | ||
| 634 | ZipEntry e = new ZipEntry(MANIFEST_NAME); | ||
| 635 | e.setTime(System.currentTimeMillis()); | ||
| 636 | if (flag0) { | ||
| 637 | crc32Manifest(e, m); | ||
| 638 | } | ||
| 639 | zos.putNextEntry(e); | ||
| 640 | m.write(zos); | ||
| 641 | if (vflag) { | ||
| 642 | output(getMsg("out.update.manifest")); | ||
| 643 | } | ||
| 644 | } | ||
| 645 | |||
| 646 | |||
| 647 | private String entryName(String name) { | ||
| 648 | name = name.replace(File.separatorChar, '/'); | ||
| 649 | String matchPath = ""; | ||
| 650 | for (String path : paths) { | ||
| 651 | if (name.startsWith(path) | ||
| 652 | && (path.length() > matchPath.length())) { | ||
| 653 | matchPath = path; | ||
| 654 | } | ||
| 655 | } | ||
| 656 | name = name.substring(matchPath.length()); | ||
| 657 | |||
| 658 | if (name.startsWith("/")) { | ||
| 659 | name = name.substring(1); | ||
| 660 | } else if (name.startsWith("./")) { | ||
| 661 | name = name.substring(2); | ||
| 662 | } | ||
| 663 | return name; | ||
| 664 | } | ||
| 665 | |||
| 666 | private void addVersion(Manifest m) { | ||
| 667 | Attributes global = m.getMainAttributes(); | ||
| 668 | if (global.getValue(Attributes.Name.MANIFEST_VERSION) == null) { | ||
| 669 | global.put(Attributes.Name.MANIFEST_VERSION, VERSION); | ||
| 670 | } | ||
| 671 | } | ||
| 672 | |||
| 673 | private void addCreatedBy(Manifest m) { | ||
| 674 | Attributes global = m.getMainAttributes(); | ||
| 675 | if (global.getValue(new Attributes.Name("Created-By")) == null) { | ||
| 676 | String javaVendor = System.getProperty("java.vendor"); | ||
| 677 | String jdkVersion = System.getProperty("java.version"); | ||
| 678 | global.put(new Attributes.Name("Created-By"), jdkVersion + " (" + | ||
| 679 | javaVendor + ")"); | ||
| 680 | } | ||
| 681 | } | ||
| 682 | |||
| 683 | private void addMainClass(Manifest m, String mainApp) { | ||
| 684 | Attributes global = m.getMainAttributes(); | ||
| 685 | |||
| 686 | // overrides any existing Main-Class attribute | ||
| 687 | global.put(Attributes.Name.MAIN_CLASS, mainApp); | ||
| 688 | } | ||
| 689 | |||
| 690 | private boolean isAmbiguousMainClass(Manifest m) { | ||
| 691 | if (ename != null) { | ||
| 692 | Attributes global = m.getMainAttributes(); | ||
| 693 | if ((global.get(Attributes.Name.MAIN_CLASS) != null)) { | ||
| 694 | error(getMsg("error.bad.eflag")); | ||
| 695 | usageError(); | ||
| 696 | return true; | ||
| 697 | } | ||
| 698 | } | ||
| 699 | return false; | ||
| 700 | } | ||
| 701 | |||
| 702 | /** | ||
| 703 | * Adds a new file entry to the ZIP output stream. | ||
| 704 | */ | ||
| 705 | void addFile(ZipOutputStream zos, File file) throws IOException { | ||
| 706 | String name = file.getPath(); | ||
| 707 | boolean isDir = file.isDirectory(); | ||
| 708 | if (isDir) { | ||
| 709 | name = name.endsWith(File.separator) ? name : | ||
| 710 | (name + File.separator); | ||
| 711 | } | ||
| 712 | name = entryName(name); | ||
| 713 | |||
| 714 | if (name.equals("") || name.equals(".") || name.equals(zname)) { | ||
| 715 | return; | ||
| 716 | } else if ((name.equals(MANIFEST_DIR) || name.equals(MANIFEST_NAME)) | ||
| 717 | && !Mflag) { | ||
| 718 | if (vflag) { | ||
| 719 | output(formatMsg("out.ignore.entry", name)); | ||
| 720 | } | ||
| 721 | return; | ||
| 722 | } | ||
| 723 | |||
| 724 | long size = isDir ? 0 : file.length(); | ||
| 725 | |||
| 726 | if (vflag) { | ||
| 727 | out.print(formatMsg("out.adding", name)); | ||
| 728 | } | ||
| 729 | ZipEntry e = new ZipEntry(name); | ||
| 730 | e.setTime(file.lastModified()); | ||
| 731 | if (size == 0) { | ||
| 732 | e.setMethod(ZipEntry.STORED); | ||
| 733 | e.setSize(0); | ||
| 734 | e.setCrc(0); | ||
| 735 | } else if (flag0) { | ||
| 736 | crc32File(e, file); | ||
| 737 | } | ||
| 738 | zos.putNextEntry(e); | ||
| 739 | if (!isDir) { | ||
| 740 | copy(file, zos); | ||
| 741 | } | ||
| 742 | zos.closeEntry(); | ||
| 743 | /* report how much compression occurred. */ | ||
| 744 | if (vflag) { | ||
| 745 | size = e.getSize(); | ||
| 746 | long csize = e.getCompressedSize(); | ||
| 747 | out.print(formatMsg2("out.size", String.valueOf(size), | ||
| 748 | String.valueOf(csize))); | ||
| 749 | if (e.getMethod() == ZipEntry.DEFLATED) { | ||
| 750 | long ratio = 0; | ||
| 751 | if (size != 0) { | ||
| 752 | ratio = ((size - csize) * 100) / size; | ||
| 753 | } | ||
| 754 | output(formatMsg("out.deflated", String.valueOf(ratio))); | ||
| 755 | } else { | ||
| 756 | output(getMsg("out.stored")); | ||
| 757 | } | ||
| 758 | } | ||
| 759 | } | ||
| 760 | |||
| 761 | /** | ||
| 762 | * A buffer for use only by copy(InputStream, OutputStream). | ||
| 763 | * Not as clean as allocating a new buffer as needed by copy, | ||
| 764 | * but significantly more efficient. | ||
| 765 | */ | ||
| 766 | private byte[] copyBuf = new byte[8192]; | ||
| 767 | |||
| 768 | /** | ||
| 769 | * Copies all bytes from the input stream to the output stream. | ||
| 770 | * Does not close or flush either stream. | ||
| 771 | * | ||
| 772 | * @param from the input stream to read from | ||
| 773 | * @param to the output stream to write to | ||
| 774 | * @throws IOException if an I/O error occurs | ||
| 775 | */ | ||
| 776 | private void copy(InputStream from, OutputStream to) throws IOException { | ||
| 777 | int n; | ||
| 778 | while ((n = from.read(copyBuf)) != -1) | ||
| 779 | to.write(copyBuf, 0, n); | ||
| 780 | } | ||
| 781 | |||
| 782 | /** | ||
| 783 | * Copies all bytes from the input file to the output stream. | ||
| 784 | * Does not close or flush the output stream. | ||
| 785 | * | ||
| 786 | * @param from the input file to read from | ||
| 787 | * @param to the output stream to write to | ||
| 788 | * @throws IOException if an I/O error occurs | ||
| 789 | */ | ||
| 790 | private void copy(File from, OutputStream to) throws IOException { | ||
| 791 | InputStream in = new FileInputStream(from); | ||
| 792 | try { | ||
| 793 | copy(in, to); | ||
| 794 | } finally { | ||
| 795 | in.close(); | ||
| 796 | } | ||
| 797 | } | ||
| 798 | |||
| 799 | /** | ||
| 800 | * Copies all bytes from the input stream to the output file. | ||
| 801 | * Does not close the input stream. | ||
| 802 | * | ||
| 803 | * @param from the input stream to read from | ||
| 804 | * @param to the output file to write to | ||
| 805 | * @throws IOException if an I/O error occurs | ||
| 806 | */ | ||
| 807 | private void copy(InputStream from, File to) throws IOException { | ||
| 808 | OutputStream out = new FileOutputStream(to); | ||
| 809 | try { | ||
| 810 | copy(from, out); | ||
| 811 | } finally { | ||
| 812 | out.close(); | ||
| 813 | } | ||
| 814 | } | ||
| 815 | |||
| 816 | /** | ||
| 817 | * Computes the crc32 of a Manifest. This is necessary when the | ||
| 818 | * ZipOutputStream is in STORED mode. | ||
| 819 | */ | ||
| 820 | private void crc32Manifest(ZipEntry e, Manifest m) throws IOException { | ||
| 821 | CRC32OutputStream os = new CRC32OutputStream(); | ||
| 822 | m.write(os); | ||
| 823 | os.updateEntry(e); | ||
| 824 | } | ||
| 825 | |||
| 826 | /** | ||
| 827 | * Computes the crc32 of a File. This is necessary when the | ||
| 828 | * ZipOutputStream is in STORED mode. | ||
| 829 | */ | ||
| 830 | private void crc32File(ZipEntry e, File f) throws IOException { | ||
| 831 | CRC32OutputStream os = new CRC32OutputStream(); | ||
| 832 | copy(f, os); | ||
| 833 | if (os.n != f.length()) { | ||
| 834 | throw new JarException(formatMsg( | ||
| 835 | "error.incorrect.length", f.getPath())); | ||
| 836 | } | ||
| 837 | os.updateEntry(e); | ||
| 838 | } | ||
| 839 | |||
| 840 | void replaceFSC(String files[]) { | ||
| 841 | if (files != null) { | ||
| 842 | for (String file : files) { | ||
| 843 | file = file.replace(File.separatorChar, '/'); | ||
| 844 | } | ||
| 845 | } | ||
| 846 | } | ||
| 847 | |||
| 848 | @SuppressWarnings("serial") | ||
| 849 | Set<ZipEntry> newDirSet() { | ||
| 850 | return new HashSet<ZipEntry>() { | ||
| 851 | public boolean add(ZipEntry e) { | ||
| 852 | return ((e == null || useExtractionTime) ? false : super.add(e)); | ||
| 853 | }}; | ||
| 854 | } | ||
| 855 | |||
| 856 | void updateLastModifiedTime(Set<ZipEntry> zes) throws IOException { | ||
| 857 | for (ZipEntry ze : zes) { | ||
| 858 | long lastModified = ze.getTime(); | ||
| 859 | if (lastModified != -1) { | ||
| 860 | File f = new File(ze.getName().replace('/', File.separatorChar)); | ||
| 861 | f.setLastModified(lastModified); | ||
| 862 | } | ||
| 863 | } | ||
| 864 | } | ||
| 865 | |||
| 866 | /** | ||
| 867 | * Extracts specified entries from JAR file. | ||
| 868 | */ | ||
| 869 | void extract(InputStream in, String files[]) throws IOException { | ||
| 870 | ZipInputStream zis = new ZipInputStream(in); | ||
| 871 | ZipEntry e; | ||
| 872 | // Set of all directory entries specified in archive. Disallows | ||
| 873 | // null entries. Disallows all entries if using pre-6.0 behavior. | ||
| 874 | Set<ZipEntry> dirs = newDirSet(); | ||
| 875 | while ((e = zis.getNextEntry()) != null) { | ||
| 876 | if (files == null) { | ||
| 877 | dirs.add(extractFile(zis, e)); | ||
| 878 | } else { | ||
| 879 | String name = e.getName(); | ||
| 880 | for (String file : files) { | ||
| 881 | if (name.startsWith(file)) { | ||
| 882 | dirs.add(extractFile(zis, e)); | ||
| 883 | break; | ||
| 884 | } | ||
| 885 | } | ||
| 886 | } | ||
| 887 | } | ||
| 888 | |||
| 889 | // Update timestamps of directories specified in archive with their | ||
| 890 | // timestamps as given in the archive. We do this after extraction, | ||
| 891 | // instead of during, because creating a file in a directory changes | ||
| 892 | // that directory's timestamp. | ||
| 893 | updateLastModifiedTime(dirs); | ||
| 894 | } | ||
| 895 | |||
| 896 | /** | ||
| 897 | * Extracts specified entries from JAR file, via ZipFile. | ||
| 898 | */ | ||
| 899 | void extract(String fname, String files[]) throws IOException { | ||
| 900 | ZipFile zf = new ZipFile(fname); | ||
| 901 | Set<ZipEntry> dirs = newDirSet(); | ||
| 902 | Enumeration<? extends ZipEntry> zes = zf.entries(); | ||
| 903 | while (zes.hasMoreElements()) { | ||
| 904 | ZipEntry e = zes.nextElement(); | ||
| 905 | InputStream is; | ||
| 906 | if (files == null) { | ||
| 907 | dirs.add(extractFile(zf.getInputStream(e), e)); | ||
| 908 | } else { | ||
| 909 | String name = e.getName(); | ||
| 910 | for (String file : files) { | ||
| 911 | if (name.startsWith(file)) { | ||
| 912 | dirs.add(extractFile(zf.getInputStream(e), e)); | ||
| 913 | break; | ||
| 914 | } | ||
| 915 | } | ||
| 916 | } | ||
| 917 | } | ||
| 918 | zf.close(); | ||
| 919 | updateLastModifiedTime(dirs); | ||
| 920 | } | ||
| 921 | |||
| 922 | /** | ||
| 923 | * Extracts next entry from JAR file, creating directories as needed. If | ||
| 924 | * the entry is for a directory which doesn't exist prior to this | ||
| 925 | * invocation, returns that entry, otherwise returns null. | ||
| 926 | */ | ||
| 927 | ZipEntry extractFile(InputStream is, ZipEntry e) throws IOException { | ||
| 928 | ZipEntry rc = null; | ||
| 929 | String name = e.getName(); | ||
| 930 | File f = new File(e.getName().replace('/', File.separatorChar)); | ||
| 931 | if (e.isDirectory()) { | ||
| 932 | if (f.exists()) { | ||
| 933 | if (!f.isDirectory()) { | ||
| 934 | throw new IOException(formatMsg("error.create.dir", | ||
| 935 | f.getPath())); | ||
| 936 | } | ||
| 937 | } else { | ||
| 938 | if (!f.mkdirs()) { | ||
| 939 | throw new IOException(formatMsg("error.create.dir", | ||
| 940 | f.getPath())); | ||
| 941 | } else { | ||
| 942 | rc = e; | ||
| 943 | } | ||
| 944 | } | ||
| 945 | |||
| 946 | if (vflag) { | ||
| 947 | output(formatMsg("out.create", name)); | ||
| 948 | } | ||
| 949 | } else { | ||
| 950 | if (f.getParent() != null) { | ||
| 951 | File d = new File(f.getParent()); | ||
| 952 | if (!d.exists() && !d.mkdirs() || !d.isDirectory()) { | ||
| 953 | throw new IOException(formatMsg( | ||
| 954 | "error.create.dir", d.getPath())); | ||
| 955 | } | ||
| 956 | } | ||
| 957 | try { | ||
| 958 | copy(is, f); | ||
| 959 | } finally { | ||
| 960 | if (is instanceof ZipInputStream) | ||
| 961 | ((ZipInputStream)is).closeEntry(); | ||
| 962 | else | ||
| 963 | is.close(); | ||
| 964 | } | ||
| 965 | if (vflag) { | ||
| 966 | if (e.getMethod() == ZipEntry.DEFLATED) { | ||
| 967 | output(formatMsg("out.inflated", name)); | ||
| 968 | } else { | ||
| 969 | output(formatMsg("out.extracted", name)); | ||
| 970 | } | ||
| 971 | } | ||
| 972 | } | ||
| 973 | if (!useExtractionTime) { | ||
| 974 | long lastModified = e.getTime(); | ||
| 975 | if (lastModified != -1) { | ||
| 976 | f.setLastModified(lastModified); | ||
| 977 | } | ||
| 978 | } | ||
| 979 | return rc; | ||
| 980 | } | ||
| 981 | |||
| 982 | /** | ||
| 983 | * Lists contents of JAR file. | ||
| 984 | */ | ||
| 985 | void list(InputStream in, String files[]) throws IOException { | ||
| 986 | ZipInputStream zis = new ZipInputStream(in); | ||
| 987 | ZipEntry e; | ||
| 988 | while ((e = zis.getNextEntry()) != null) { | ||
| 989 | /* | ||
| 990 | * In the case of a compressed (deflated) entry, the entry size | ||
| 991 | * is stored immediately following the entry data and cannot be | ||
| 992 | * determined until the entry is fully read. Therefore, we close | ||
| 993 | * the entry first before printing out its attributes. | ||
| 994 | */ | ||
| 995 | zis.closeEntry(); | ||
| 996 | printEntry(e, files); | ||
| 997 | } | ||
| 998 | } | ||
| 999 | |||
| 1000 | /** | ||
| 1001 | * Lists contents of JAR file, via ZipFile. | ||
| 1002 | */ | ||
| 1003 | void list(String fname, String files[]) throws IOException { | ||
| 1004 | ZipFile zf = new ZipFile(fname); | ||
| 1005 | Enumeration<? extends ZipEntry> zes = zf.entries(); | ||
| 1006 | while (zes.hasMoreElements()) { | ||
| 1007 | printEntry(zes.nextElement(), files); | ||
| 1008 | } | ||
| 1009 | zf.close(); | ||
| 1010 | } | ||
| 1011 | |||
| 1012 | /** | ||
| 1013 | * Outputs the class index table to the INDEX.LIST file of the | ||
| 1014 | * root jar file. | ||
| 1015 | */ | ||
| 1016 | void dumpIndex(String rootjar, JarIndex index) throws IOException { | ||
| 1017 | File jarFile = new File(rootjar); | ||
| 1018 | Path jarPath = jarFile.toPath(); | ||
| 1019 | Path tmpPath = createTempFileInSameDirectoryAs(jarFile).toPath(); | ||
| 1020 | try { | ||
| 1021 | if (update(Files.newInputStream(jarPath), | ||
| 1022 | Files.newOutputStream(tmpPath), | ||
| 1023 | null, index)) { | ||
| 1024 | try { | ||
| 1025 | Files.move(tmpPath, jarPath, REPLACE_EXISTING); | ||
| 1026 | } catch (IOException e) { | ||
| 1027 | throw new IOException(getMsg("error.write.file"), e); | ||
| 1028 | } | ||
| 1029 | } | ||
| 1030 | } finally { | ||
| 1031 | Files.deleteIfExists(tmpPath); | ||
| 1032 | } | ||
| 1033 | } | ||
| 1034 | |||
| 1035 | private HashSet<String> jarPaths = new HashSet<String>(); | ||
| 1036 | |||
| 1037 | /** | ||
| 1038 | * Generates the transitive closure of the Class-Path attribute for | ||
| 1039 | * the specified jar file. | ||
| 1040 | */ | ||
| 1041 | List<String> getJarPath(String jar) throws IOException { | ||
| 1042 | List<String> files = new ArrayList<String>(); | ||
| 1043 | files.add(jar); | ||
| 1044 | jarPaths.add(jar); | ||
| 1045 | |||
| 1046 | // take out the current path | ||
| 1047 | String path = jar.substring(0, Math.max(0, jar.lastIndexOf('/') + 1)); | ||
| 1048 | |||
| 1049 | // class path attribute will give us jar file name with | ||
| 1050 | // '/' as separators, so we need to change them to the | ||
| 1051 | // appropriate one before we open the jar file. | ||
| 1052 | JarFile rf = new JarFile(jar.replace('/', File.separatorChar)); | ||
| 1053 | |||
| 1054 | if (rf != null) { | ||
| 1055 | Manifest man = rf.getManifest(); | ||
| 1056 | if (man != null) { | ||
| 1057 | Attributes attr = man.getMainAttributes(); | ||
| 1058 | if (attr != null) { | ||
| 1059 | String value = attr.getValue(Attributes.Name.CLASS_PATH); | ||
| 1060 | if (value != null) { | ||
| 1061 | StringTokenizer st = new StringTokenizer(value); | ||
| 1062 | while (st.hasMoreTokens()) { | ||
| 1063 | String ajar = st.nextToken(); | ||
| 1064 | if (!ajar.endsWith("/")) { // it is a jar file | ||
| 1065 | ajar = path.concat(ajar); | ||
| 1066 | /* check on cyclic dependency */ | ||
| 1067 | if (! jarPaths.contains(ajar)) { | ||
| 1068 | files.addAll(getJarPath(ajar)); | ||
| 1069 | } | ||
| 1070 | } | ||
| 1071 | } | ||
| 1072 | } | ||
| 1073 | } | ||
| 1074 | } | ||
| 1075 | } | ||
| 1076 | rf.close(); | ||
| 1077 | return files; | ||
| 1078 | } | ||
| 1079 | |||
| 1080 | /** | ||
| 1081 | * Generates class index file for the specified root jar file. | ||
| 1082 | */ | ||
| 1083 | void genIndex(String rootjar, String[] files) throws IOException { | ||
| 1084 | List<String> jars = getJarPath(rootjar); | ||
| 1085 | int njars = jars.size(); | ||
| 1086 | String[] jarfiles; | ||
| 1087 | |||
| 1088 | if (njars == 1 && files != null) { | ||
| 1089 | // no class-path attribute defined in rootjar, will | ||
| 1090 | // use command line specified list of jars | ||
| 1091 | for (int i = 0; i < files.length; i++) { | ||
| 1092 | jars.addAll(getJarPath(files[i])); | ||
| 1093 | } | ||
| 1094 | njars = jars.size(); | ||
| 1095 | } | ||
| 1096 | jarfiles = jars.toArray(new String[njars]); | ||
| 1097 | JarIndex index = new JarIndex(jarfiles); | ||
| 1098 | dumpIndex(rootjar, index); | ||
| 1099 | } | ||
| 1100 | |||
| 1101 | /** | ||
| 1102 | * Prints entry information, if requested. | ||
| 1103 | */ | ||
| 1104 | void printEntry(ZipEntry e, String[] files) throws IOException { | ||
| 1105 | if (files == null) { | ||
| 1106 | printEntry(e); | ||
| 1107 | } else { | ||
| 1108 | String name = e.getName(); | ||
| 1109 | for (String file : files) { | ||
| 1110 | if (name.startsWith(file)) { | ||
| 1111 | printEntry(e); | ||
| 1112 | return; | ||
| 1113 | } | ||
| 1114 | } | ||
| 1115 | } | ||
| 1116 | } | ||
| 1117 | |||
| 1118 | /** | ||
| 1119 | * Prints entry information. | ||
| 1120 | */ | ||
| 1121 | void printEntry(ZipEntry e) throws IOException { | ||
| 1122 | if (vflag) { | ||
| 1123 | StringBuilder sb = new StringBuilder(); | ||
| 1124 | String s = Long.toString(e.getSize()); | ||
| 1125 | for (int i = 6 - s.length(); i > 0; --i) { | ||
| 1126 | sb.append(' '); | ||
| 1127 | } | ||
| 1128 | sb.append(s).append(' ').append(new Date(e.getTime()).toString()); | ||
| 1129 | sb.append(' ').append(e.getName()); | ||
| 1130 | output(sb.toString()); | ||
| 1131 | } else { | ||
| 1132 | output(e.getName()); | ||
| 1133 | } | ||
| 1134 | } | ||
| 1135 | |||
| 1136 | /** | ||
| 1137 | * Prints usage message. | ||
| 1138 | */ | ||
| 1139 | void usageError() { | ||
| 1140 | error(getMsg("usage")); | ||
| 1141 | } | ||
| 1142 | |||
| 1143 | /** | ||
| 1144 | * A fatal exception has been caught. No recovery possible | ||
| 1145 | */ | ||
| 1146 | void fatalError(Exception e) { | ||
| 1147 | e.printStackTrace(); | ||
| 1148 | } | ||
| 1149 | |||
| 1150 | /** | ||
| 1151 | * A fatal condition has been detected; message is "s". | ||
| 1152 | * No recovery possible | ||
| 1153 | */ | ||
| 1154 | void fatalError(String s) { | ||
| 1155 | error(program + ": " + s); | ||
| 1156 | } | ||
| 1157 | |||
| 1158 | /** | ||
| 1159 | * Print an output message; like verbose output and the like | ||
| 1160 | */ | ||
| 1161 | protected void output(String s) { | ||
| 1162 | out.println(s); | ||
| 1163 | } | ||
| 1164 | |||
| 1165 | /** | ||
| 1166 | * Print an error mesage; like something is broken | ||
| 1167 | */ | ||
| 1168 | protected void error(String s) { | ||
| 1169 | err.println(s); | ||
| 1170 | } | ||
| 1171 | |||
| 1172 | /** | ||
| 1173 | * Main routine to start program. | ||
| 1174 | */ | ||
| 1175 | public static void main(String args[]) { | ||
| 1176 | Main jartool = new Main(System.out, System.err, "jar"); | ||
| 1177 | System.exit(jartool.run(args) ? 0 : 1); | ||
| 1178 | } | ||
| 1179 | |||
| 1180 | /** | ||
| 1181 | * An OutputStream that doesn't send its output anywhere, (but could). | ||
| 1182 | * It's here to find the CRC32 of an input file, necessary for STORED | ||
| 1183 | * mode in ZIP. | ||
| 1184 | */ | ||
| 1185 | private static class CRC32OutputStream extends java.io.OutputStream { | ||
| 1186 | final CRC32 crc = new CRC32(); | ||
| 1187 | long n = 0; | ||
| 1188 | |||
| 1189 | CRC32OutputStream() {} | ||
| 1190 | |||
| 1191 | public void write(int r) throws IOException { | ||
| 1192 | crc.update(r); | ||
| 1193 | n++; | ||
| 1194 | } | ||
| 1195 | |||
| 1196 | public void write(byte[] b, int off, int len) throws IOException { | ||
| 1197 | crc.update(b, off, len); | ||
| 1198 | n += len; | ||
| 1199 | } | ||
| 1200 | |||
| 1201 | /** | ||
| 1202 | * Updates a ZipEntry which describes the data read by this | ||
| 1203 | * output stream, in STORED mode. | ||
| 1204 | */ | ||
| 1205 | public void updateEntry(ZipEntry e) { | ||
| 1206 | e.setMethod(ZipEntry.STORED); | ||
| 1207 | e.setSize(n); | ||
| 1208 | e.setCrc(crc.getValue()); | ||
| 1209 | } | ||
| 1210 | } | ||
| 1211 | } | ||