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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 | +} | |