org.apache.hadoop.util.StringUtils.popFirstNonOption java code examples

private int removeSpanReceiver(List<String> args) throws IOException {
 String indexStr = StringUtils.popFirstNonOption(args);
 long id = -1;
 try {
  id = Long.parseLong(indexStr);
 } catch (NumberFormatException e) {
  System.err.println("Failed to parse ID string " +
    indexStr + ": " + e.getMessage());
  return 1;
 }
 remote.removeSpanReceiver(id);
 System.err.println("Removed trace span receiver " + id);
 return 0;
}

 @Override
 public int run(Configuration conf, List<String> args) throws IOException {
  String name = StringUtils.popFirstNonOption(args);
  if (name == null) {
   System.err.println("You must specify a name when deleting a " +
     "cache pool.");
   return 1;
  }
  if (!args.isEmpty()) {
   System.err.print("Can't understand arguments: " +
    Joiner.on(" ").join(args) + "\n");
   System.err.println("Usage is " + getShortUsage());
   return 1;
  }
  DistributedFileSystem dfs = AdminHelper.getDFS(conf);
  try {
   dfs.removeCachePool(name);
  } catch (IOException e) {
   System.err.println(AdminHelper.prettifyException(e));
   return 2;
  }
  System.out.println("Successfully removed cache pool " + name + ".");
  return 0;
 }
}

@Override
public int run(Configuration conf, List<String> args) throws IOException {
 String idString= StringUtils.popFirstNonOption(args);
 if (idString == null) {
  System.err.println("You must specify a directive ID to remove.");

String hostPort = StringUtils.popFirstNonOption(args);
if (hostPort == null) {
 System.err.println("You must specify a host:port pair.");

 return 1;
String name = StringUtils.popFirstNonOption(args);
if (name == null) {
 System.err.println("You must specify a name when creating a " +

@Override
public int run(Configuration conf, List<String> args) throws IOException {
 String name = StringUtils.popFirstNonOption(args);
 if (name == null) {
  System.err.println("You must specify a name when creating a " +

@Override
public int run(Configuration conf, List<String> args) throws IOException {
 String name = StringUtils.popFirstNonOption(args);
 final boolean printStats = StringUtils.popOption("-stats", args);
 if (!args.isEmpty()) {

private int removeSpanReceiver(List<String> args) throws IOException {
 String indexStr = StringUtils.popFirstNonOption(args);
 long id = -1;
 try {
  id = Long.parseLong(indexStr);
 } catch (NumberFormatException e) {
  System.err.println("Failed to parse ID string " +
    indexStr + ": " + e.getMessage());
  return 1;
 }
 remote.removeSpanReceiver(id);
 System.err.println("Removed trace span receiver " + id);
 return 0;
}

private int removeSpanReceiver(List<String> args) throws IOException {
 String indexStr = StringUtils.popFirstNonOption(args);
 long id = -1;
 try {
  id = Long.parseLong(indexStr);
 } catch (NumberFormatException e) {
  System.err.println("Failed to parse ID string " +
    indexStr + ": " + e.getMessage());
  return 1;
 }
 remote.removeSpanReceiver(id);
 System.err.println("Removed trace span receiver " + id);
 return 0;
}

private int removeSpanReceiver(List<String> args) throws IOException {
 String indexStr = StringUtils.popFirstNonOption(args);
 long id = -1;
 try {
  id = Long.parseLong(indexStr);
 } catch (NumberFormatException e) {
  System.err.println("Failed to parse ID string " +
    indexStr + ": " + e.getMessage());
  return 1;
 }
 remote.removeSpanReceiver(id);
 System.err.println("Removed trace span receiver " + id);
 return 0;
}

private int removeSpanReceiver(List<String> args) throws IOException {
 String indexStr = StringUtils.popFirstNonOption(args);
 long id = -1;
 try {
  id = Long.parseLong(indexStr);
 } catch (NumberFormatException e) {
  System.err.println("Failed to parse ID string " +
    indexStr + ": " + e.getMessage());
  return 1;
 }
 remote.removeSpanReceiver(id);
 System.err.println("Removed trace span receiver " + id);
 return 0;
}

 @Override
 public int run(Configuration conf, List<String> args) throws IOException {
  String name = StringUtils.popFirstNonOption(args);
  if (name == null) {
   System.err.println("You must specify a name when deleting a " +
     "cache pool.");
   return 1;
  }
  if (!args.isEmpty()) {
   System.err.print("Can't understand arguments: " +
    Joiner.on(" ").join(args) + "\n");
   System.err.println("Usage is " + getShortUsage());
   return 1;
  }
  DistributedFileSystem dfs = AdminHelper.getDFS(conf);
  try {
   dfs.removeCachePool(name);
  } catch (IOException e) {
   System.err.println(AdminHelper.prettifyException(e));
   return 2;
  }
  System.out.println("Successfully removed cache pool " + name + ".");
  return 0;
 }
}

@Override
public int run(Configuration conf, List<String> args) throws IOException {
 String idString= StringUtils.popFirstNonOption(args);
 if (idString == null) {
  System.err.println("You must specify a directive ID to remove.");

@Override
public int run(Configuration conf, List<String> args) throws IOException {
 String idString= StringUtils.popFirstNonOption(args);
 if (idString == null) {
  System.err.println("You must specify a directive ID to remove.");

String hostPort = StringUtils.popFirstNonOption(args);
if (hostPort == null) {
 System.err.println("You must specify a host:port pair.");

 @Override
 public int run(Configuration conf, List<String> args) throws IOException {
  String name = StringUtils.popFirstNonOption(args);
  if (name == null) {
   System.err.println("You must specify a name when deleting a " +
     "cache pool.");
   return 1;
  }
  if (!args.isEmpty()) {
   System.err.print("Can't understand arguments: " +
    Joiner.on(" ").join(args) + "\n");
   System.err.println("Usage is " + getShortUsage());
   return 1;
  }
  DistributedFileSystem dfs = AdminHelper.getDFS(conf);
  try {
   dfs.removeCachePool(name);
  } catch (IOException e) {
   System.err.println(AdminHelper.prettifyException(e));
   return 2;
  }
  System.out.println("Successfully removed cache pool " + name + ".");
  return 0;
 }
}

String hostPort = StringUtils.popFirstNonOption(args);
if (hostPort == null) {
 System.err.println("You must specify a host:port pair.");

@Override
public int run(Configuration conf, List<String> args) throws IOException {
 String name = StringUtils.popFirstNonOption(args);
 if (name == null) {
  System.err.println("You must specify a name when creating a " +

@Override
public int run(Configuration conf, List<String> args) throws IOException {
 String name = StringUtils.popFirstNonOption(args);
 final boolean printStats = StringUtils.popOption("-stats", args);
 if (!args.isEmpty()) {

@Override
public int run(Configuration conf, List<String> args) throws IOException {
 String name = StringUtils.popFirstNonOption(args);
 if (name == null) {
  System.err.println("You must specify a name when creating a " +

Javadoc

From a list of command-line arguments, return the first non-option argument. Non-option arguments are those which either come after a double dash (--) or do not start with a dash.

Popular methods of StringUtils

stringifyException
Make a string representation of the exception.
join
Concatenates strings, using a separator.
split
arrayToString
toLowerCase
Converts all of the characters in this String to lower case with Locale.ENGLISH.
escapeString
startupShutdownMessage
Print a log message for starting up and shutting down
getStrings
Returns an arraylist of strings.
toUpperCase
Converts all of the characters in this String to upper case with Locale.ENGLISH.
byteToHexString
Given an array of bytes it will convert the bytes to a hex string representation of the bytes
formatTime
Given the time in long milliseconds, returns a String in the format Xhrs, Ymins, Z sec.
unEscapeString

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How to use popFirstNonOptionmethodin org.apache.hadoop.util.StringUtils

Best Java code snippets using org.apache.hadoop.util.StringUtils.popFirstNonOption (Showing top 20 results out of 315)

How to use
popFirstNonOption
method
in
org.apache.hadoop.util.StringUtils