/**
* Change local file's permission.
*
* @param filePath that will change permission
* @param perms the permission, e.g. "775"
* @throws IOException
*/
public static void changeLocalFilePermission(String filePath, String perms) throws IOException {
// TODO switch to java's Files.setPosixFilePermissions() if java 6 support is dropped
List<String> commands = new ArrayList<String>();
commands.add("/bin/chmod");
commands.add(perms);
File file = new File(filePath);
commands.add(file.getAbsolutePath());
try {
ProcessBuilder builder = new ProcessBuilder(commands);
Process process = builder.start();
process.waitFor();
redirectIO(process);
if (process.exitValue() != 0) {
throw new IOException(
"Can not change the file " + file.getAbsolutePath() + " 's permission to be " + perms);
}
} catch (InterruptedException e) {
LOG.error(e.getMessage());
throw new IOException(e);
}
}
