1441
1442 static {
1443 // Get the modules in the boot layer
1444 Stream<Module> bootLayerModules = Layer.boot().modules().stream();
1445
1446 // Filter out the modules loaded by the boot or platform loader
1447 PrivilegedAction<Set<Module>> pa = () ->
1448 bootLayerModules.filter(SecurityManager::isBootOrPlatformModule)
1449 .collect(Collectors.toSet());
1450 Set<Module> modules = AccessController.doPrivileged(pa);
1451
1452 // Filter out the non-exported packages
1453 nonExportedPkgs = modules.stream()
1454 .map(Module::getDescriptor)
1455 .map(SecurityManager::nonExportedPkgs)
1456 .flatMap(Set::stream)
1457 .collect(Collectors.toSet());
1458 }
1459
1460 /**
1461 * Returns true if the module's loader is the boot or platform loader.
1462 */
1463 private static boolean isBootOrPlatformModule(Module m) {
1464 return m.getClassLoader() == null ||
1465 m.getClassLoader() == ClassLoader.getPlatformClassLoader();
1466 }
1467
1468 /**
1469 * Returns the non-exported packages of the specified module.
1470 */
1471 private static Set<String> nonExportedPkgs(ModuleDescriptor md) {
1472 // start with all packages in the module
1473 Set<String> pkgs = new HashSet<>(md.packages());
1474
1475 // remove the non-qualified exported packages
1476 md.exports().stream()
1477 .filter(p -> !p.isQualified())
1478 .map(Exports::source)
1479 .forEach(pkgs::remove);
1480
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1441
1442 static {
1443 // Get the modules in the boot layer
1444 Stream<Module> bootLayerModules = Layer.boot().modules().stream();
1445
1446 // Filter out the modules loaded by the boot or platform loader
1447 PrivilegedAction<Set<Module>> pa = () ->
1448 bootLayerModules.filter(SecurityManager::isBootOrPlatformModule)
1449 .collect(Collectors.toSet());
1450 Set<Module> modules = AccessController.doPrivileged(pa);
1451
1452 // Filter out the non-exported packages
1453 nonExportedPkgs = modules.stream()
1454 .map(Module::getDescriptor)
1455 .map(SecurityManager::nonExportedPkgs)
1456 .flatMap(Set::stream)
1457 .collect(Collectors.toSet());
1458 }
1459
1460 /**
1461 * Called by java.security.Security
1462 */
1463 static void invalidatePackageAccessCache() {
1464 synchronized (packageAccessLock) {
1465 packageAccessValid = false;
1466 }
1467 synchronized (packageDefinitionLock) {
1468 packageDefinitionValid = false;
1469 }
1470 }
1471
1472 /**
1473 * Returns true if the module's loader is the boot or platform loader.
1474 */
1475 private static boolean isBootOrPlatformModule(Module m) {
1476 return m.getClassLoader() == null ||
1477 m.getClassLoader() == ClassLoader.getPlatformClassLoader();
1478 }
1479
1480 /**
1481 * Returns the non-exported packages of the specified module.
1482 */
1483 private static Set<String> nonExportedPkgs(ModuleDescriptor md) {
1484 // start with all packages in the module
1485 Set<String> pkgs = new HashSet<>(md.packages());
1486
1487 // remove the non-qualified exported packages
1488 md.exports().stream()
1489 .filter(p -> !p.isQualified())
1490 .map(Exports::source)
1491 .forEach(pkgs::remove);
1492
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