private void setOwnership(File dir, String group, String owner) {
try {
Path path = dir.toPath();
UserPrincipalLookupService lookupService =
FileSystems.getDefault().getUserPrincipalLookupService();
GroupPrincipal groupPrincipal = lookupService.lookupPrincipalByGroupName(group);
UserPrincipal userPrincipal = lookupService.lookupPrincipalByName(owner);
PosixFileAttributeView pfav =
Files.getFileAttributeView(path, PosixFileAttributeView.class, LinkOption.NOFOLLOW_LINKS);
pfav.setGroup(groupPrincipal);
pfav.setOwner(userPrincipal);
} catch (Exception ex) {
cp.appendln("Unable to set the file group and owner for\n " + dir);
}
}
/** Outputs the class index table to the INDEX.LIST file of the root jar file. */
void dumpIndex(String rootjar, JarIndex index) throws IOException {
File jarFile = new File(rootjar);
Path jarPath = jarFile.toPath();
Path tmpPath = createTempFileInSameDirectoryAs(jarFile).toPath();
try {
if (update(Files.newInputStream(jarPath), Files.newOutputStream(tmpPath), null, index)) {
try {
Files.move(tmpPath, jarPath, REPLACE_EXISTING);
} catch (IOException e) {
throw new IOException(getMsg("error.write.file"), e);
}
}
} finally {
Files.deleteIfExists(tmpPath);
}
}