Package org.apache.hadoop.security

Class HadoopKerberosName

java.lang.Object

org.apache.hadoop.security.authentication.util.KerberosName

org.apache.hadoop.security.HadoopKerberosName

@LimitedPrivate({"HDFS","MapReduce"})
@Evolving
public class HadoopKerberosName
extends org.apache.hadoop.security.authentication.util.KerberosName

This class implements parsing and handling of Kerberos principal names. In particular, it splits them apart and translates them down into local operating system names.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.security.authentication.util.KerberosName

org.apache.hadoop.security.authentication.util.KerberosName.BadFormatString, org.apache.hadoop.security.authentication.util.KerberosName.NoMatchingRule

Field Summary

Fields inherited from class org.apache.hadoop.security.authentication.util.KerberosName

DEFAULT_MECHANISM, MECHANISM_HADOOP, MECHANISM_MIT

Constructor Summary

Constructors

Constructor	Description
HadoopKerberosName(java.lang.String name)	Create a name from the full Kerberos principal name.

Method Summary

Modifier and Type	Method	Description
static void	main(java.lang.String[] args)
static void	setConfiguration(Configuration conf)	Set the static configuration to get and evaluate the rules.

Methods inherited from class org.apache.hadoop.security.authentication.util.KerberosName

getDefaultRealm, getHostName, getRealm, getRuleMechanism, getRules, getServiceName, getShortName, hasRuleMechanismBeenSet, hasRulesBeenSet, resetDefaultRealm, setRuleMechanism, setRules, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

HadoopKerberosName

public HadoopKerberosName(java.lang.String name)

Create a name from the full Kerberos principal name.

Parameters:

name - name.

Method Detail

setConfiguration

public static void setConfiguration(Configuration conf)
                             throws java.io.IOException

Set the static configuration to get and evaluate the rules.

IMPORTANT: This method does a NOP if the rules have been set already. If there is a need to reset the rules, the KerberosName.setRules(String) method should be invoked directly.

Parameters:

conf - the new configuration

Throws:

java.io.IOException - raised on errors performing I/O.

main

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

Throws:

java.lang.Exception