How to use

toStartupShutdownString

method

in

org.apache.hadoop.util.StringUtils

 @Override
 public void run() {
  LOG.info(toStartupShutdownString("SHUTDOWN_MSG: ", new String[]{
   "Shutting down " + classname + " at " + hostname}));
 }
}, SHUTDOWN_HOOK_PRIORITY);

/**
 * Generate the text for the startup/shutdown message of processes.
 * @param classname short classname of the class
 * @param hostname hostname
 * @param args Command arguments
 * @return a string to log.
 */
public static String createStartupShutdownMessage(String classname,
  String hostname, String[] args) {
 return toStartupShutdownString("STARTUP_MSG: ", new String[] {
   "Starting " + classname,
   "  host = " + hostname,
   "  args = " + (args != null ? Arrays.asList(args) : new ArrayList<>()),
   "  version = " + VersionInfo.getVersion(),
   "  classpath = " + System.getProperty("java.class.path"),
   "  build = " + VersionInfo.getUrl() + " -r "
          + VersionInfo.getRevision()  
          + "; compiled by '" + VersionInfo.getUser()
          + "' on " + VersionInfo.getDate(),
   "  java = " + System.getProperty("java.version") }
 );
}

/**
 * Print a log message for starting up and shutting down
 * @param clazz the class of the server
 * @param args arguments
 * @param LOG the target log object
 */
public static void startupShutdownMessage(Class<?> clazz, String[] args,
                  final org.apache.commons.logging.Log LOG) {
 final String hostname = getHostname();
 final String classname = clazz.getSimpleName();
 LOG.info(
   toStartupShutdownString("STARTUP_MSG: ", new String[] {
     "Starting " + classname,
     "  host = " + hostname,
     "  args = " + Arrays.asList(args),
     "  version = " + VersionInfo.getVersion(),
     "  build = " + VersionInfo.getUrl() + " -r "
            + VersionInfo.getRevision()  
            + "; compiled by '" + VersionInfo.getUser()
            + "' on " + VersionInfo.getDate()}
   )
  );
 Runtime.getRuntime().addShutdownHook(new Thread() {
  public void run() {
   LOG.info(toStartupShutdownString("SHUTDOWN_MSG: ", new String[]{
    "Shutting down " + classname + " at " + hostname}));
  }
 });
}

/**
 * Print a log message for starting up and shutting down
 * @param clazz the class of the server
 * @param args arguments
 * @param LOG the target log object
 */
public static void startupShutdownMessage(Class<?> clazz, String[] args,
                  final org.apache.commons.logging.Log LOG) {
 final String hostname = getHostname();
 final String classname = clazz.getSimpleName();
 LOG.info(
   toStartupShutdownString("STARTUP_MSG: ", new String[] {
     "Starting " + classname,
     "  host = " + hostname,
     "  args = " + Arrays.asList(args),
     "  version = " + VersionInfo.getVersion(),
     "  build = " + VersionInfo.getUrl() + " -r "
            + VersionInfo.getRevision()  
            + "; compiled by '" + VersionInfo.getUser()
            + "' on " + VersionInfo.getDate()}
   )
  );
 Runtime.getRuntime().addShutdownHook(new Thread() {
  public void run() {
   LOG.info(toStartupShutdownString("SHUTDOWN_MSG: ", new String[]{
    "Shutting down " + classname + " at " + hostname}));
  }
 });
}

final String classname = clazz.getSimpleName();
LOG.info(
  toStartupShutdownString("STARTUP_MSG: ", new String[]{
    "Starting " + classname,
    "  user = " + System.getProperty("user.name"),

final String classname = clazz.getSimpleName();
LOG.info(
  toStartupShutdownString("STARTUP_MSG: ", new String[] {
    "Starting " + classname,
    "  host = " + hostname,

final String classname = clazz.getSimpleName();
LOG.info(
  toStartupShutdownString("STARTUP_MSG: ", new String[] {
    "Starting " + classname,
    "  host = " + hostname,

final String classname = clazz.getSimpleName();
LOG.info(
  toStartupShutdownString("STARTUP_MSG: ", new String[] {
    "Starting " + classname,
    "  host = " + hostname,