531 while (i<=last) {
532 for (int j=(len-1); j>=0; j--) {
533 char c = (char) b[i+j];
534 c = (((c-'A')|('Z'-c)) >= 0) ? (char)(c + 32) : c;
535 if (c != src[j]) {
536 i += Math.max(j + 1 - lastOcc[c&0x7F], optoSft[j]);
537 continue next;
538 }
539 }
540 return true;
541 }
542 return false;
543 }
544
545 /**
546 * On first invocation, check if the JAR file has the Class-Path
547 * attribute. A no-op on subsequent calls.
548 */
549 private void checkForSpecialAttributes() throws IOException {
550 if (hasCheckedSpecialAttributes) return;
551 if (!isKnownNotToHaveSpecialAttributes()) {
552 JarEntry manEntry = getManEntry();
553 if (manEntry != null) {
554 byte[] b = getBytes(manEntry);
555 if (match(CLASSPATH_CHARS, b, CLASSPATH_LASTOCC, CLASSPATH_OPTOSFT))
556 hasClassPathAttribute = true;
557 }
558 }
559 hasCheckedSpecialAttributes = true;
560 }
561
562 private static String javaHome;
563 private static volatile String[] jarNames;
564 private boolean isKnownNotToHaveSpecialAttributes() {
565 // Optimize away even scanning of manifest for jar files we
566 // deliver which don't have a class-path attribute. If one of
567 // these jars is changed to include such an attribute this code
568 // must be changed.
569 if (javaHome == null) {
570 javaHome = AccessController.doPrivileged(
571 new GetPropertyAction("java.home"));
572 }
573 if (jarNames == null) {
574 String[] names = new String[11];
575 String fileSep = File.separator;
576 int i = 0;
577 names[i++] = fileSep + "rt.jar";
578 names[i++] = fileSep + "jsse.jar";
579 names[i++] = fileSep + "jce.jar";
580 names[i++] = fileSep + "charsets.jar";
581 names[i++] = fileSep + "dnsns.jar";
582 names[i++] = fileSep + "zipfs.jar";
583 names[i++] = fileSep + "localedata.jar";
584 names[i++] = fileSep = "cldrdata.jar";
585 names[i++] = fileSep + "sunjce_provider.jar";
586 names[i++] = fileSep + "sunpkcs11.jar";
587 names[i++] = fileSep + "sunec.jar";
588 jarNames = names;
589 }
590
591 String name = getName();
592 if (name.startsWith(javaHome)) {
593 String[] names = jarNames;
594 for (String jarName : names) {
595 if (name.endsWith(jarName)) {
596 return true;
597 }
598 }
599 }
600 return false;
601 }
602
603 private synchronized void ensureInitialization() {
604 try {
605 maybeInstantiateVerifier();
606 } catch (IOException e) {
607 throw new RuntimeException(e);
608 }
609 if (jv != null && !jvInitialized) {
610 initializeVerifier();
611 jvInitialized = true;
612 }
613 }
614
615 JarEntry newEntry(ZipEntry ze) {
616 return new JarFileEntry(ze);
617 }
618
619 Enumeration<String> entryNames(CodeSource[] cs) {
620 ensureInitialization();
621 if (jv != null) {
622 return jv.entryNames(this, cs);
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531 while (i<=last) {
532 for (int j=(len-1); j>=0; j--) {
533 char c = (char) b[i+j];
534 c = (((c-'A')|('Z'-c)) >= 0) ? (char)(c + 32) : c;
535 if (c != src[j]) {
536 i += Math.max(j + 1 - lastOcc[c&0x7F], optoSft[j]);
537 continue next;
538 }
539 }
540 return true;
541 }
542 return false;
543 }
544
545 /**
546 * On first invocation, check if the JAR file has the Class-Path
547 * attribute. A no-op on subsequent calls.
548 */
549 private void checkForSpecialAttributes() throws IOException {
550 if (hasCheckedSpecialAttributes) return;
551 JarEntry manEntry = getManEntry();
552 if (manEntry != null) {
553 byte[] b = getBytes(manEntry);
554 if (match(CLASSPATH_CHARS, b, CLASSPATH_LASTOCC, CLASSPATH_OPTOSFT))
555 hasClassPathAttribute = true;
556 }
557 hasCheckedSpecialAttributes = true;
558 }
559
560 private synchronized void ensureInitialization() {
561 try {
562 maybeInstantiateVerifier();
563 } catch (IOException e) {
564 throw new RuntimeException(e);
565 }
566 if (jv != null && !jvInitialized) {
567 initializeVerifier();
568 jvInitialized = true;
569 }
570 }
571
572 JarEntry newEntry(ZipEntry ze) {
573 return new JarFileEntry(ze);
574 }
575
576 Enumeration<String> entryNames(CodeSource[] cs) {
577 ensureInitialization();
578 if (jv != null) {
579 return jv.entryNames(this, cs);
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