Package org.apache.hadoop.security.token

Class DtUtilShell

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.tools.CommandShell

org.apache.hadoop.security.token.DtUtilShell

All Implemented Interfaces:

Configurable, Tool

public class DtUtilShell
extends CommandShell

DtUtilShell is a set of command line token file management operations.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.tools.CommandShell

CommandShell.SubCommand

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DT_USAGE

Constructor Summary

Constructors

Constructor	Description
DtUtilShell()

Method Summary

Modifier and Type	Method	Description
String	getCommandUsage()	Return usage string for the command including any summary of subcommands.
protected int	init(String[] args)	Parse the command line arguments and initialize subcommand.
static void	main(String[] args)

Methods inherited from class org.apache.hadoop.tools.CommandShell

getErr, getOut, printException, printShellUsage, run, setErr, setOut, setSubCommand

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Details

DT_USAGE

public static final String DT_USAGE

See Also:

• Constant Field Values

Constructor Details

DtUtilShell

public DtUtilShell()

Method Details

init

protected int init(String[] args)
            throws Exception

Parse the command line arguments and initialize subcommand. Also will attempt to perform Kerberos login if both -principal and -keytab flags are passed in args array.

Specified by:

init in class CommandShell

Parameters:

args - args.

Returns:

0 if the argument(s) were recognized, 1 otherwise

Throws:

Exception - Exception.

getCommandUsage

public String getCommandUsage()

Description copied from class: CommandShell

Return usage string for the command including any summary of subcommands.

Specified by:

getCommandUsage in class CommandShell

Returns:

command usage.

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception