org.apache.drill.common

Class KerberosUtil

java.lang.Object

org.apache.drill.common.KerberosUtil

public final class KerberosUtil
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	HOSTNAME_PATTERN
static String	KERBEROS_SASL_NAME
static String	KERBEROS_SIMPLE_NAME

Method Summary

Modifier and Type	Method and Description
static String	canonicalizeInstanceName(String instanceName, String canonicalName)
static String	getDefaultRealm()
static String	getPrincipalFromParts(String primary, String instance, String realm) Returns principal of format primary/instance@REALM.
static String[]	splitPrincipalIntoParts(String principal) Expects principal of the format primary/instance@REALM or primary@REALM.

Methods inherited from class java.lang.Object

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

Field Detail

KERBEROS_SASL_NAME

public static final String KERBEROS_SASL_NAME

See Also:

Constant Field Values

KERBEROS_SIMPLE_NAME

public static final String KERBEROS_SIMPLE_NAME

See Also:

Constant Field Values

HOSTNAME_PATTERN

public static final String HOSTNAME_PATTERN

See Also:

Constant Field Values

Method Detail

getPrincipalFromParts

public static String getPrincipalFromParts(String primary,
                                           String instance,
                                           String realm)

Returns principal of format primary/instance@REALM.

Parameters:

primary - non-null primary component

instance - non-null instance component, can be empty string

realm - non-null realm component

Returns:

principal of format primary/instance@REALM or primary@REALM

splitPrincipalIntoParts

public static String[] splitPrincipalIntoParts(String principal)

Expects principal of the format primary/instance@REALM or primary@REALM.

Parameters:

principal - principal

Returns:

components

canonicalizeInstanceName

public static String canonicalizeInstanceName(String instanceName,
                                              String canonicalName)

getDefaultRealm

public static String getDefaultRealm()
                              throws ClassNotFoundException,
                                     NoSuchMethodException,
                                     IllegalArgumentException,
                                     IllegalAccessException,
                                     InvocationTargetException

Throws:

ClassNotFoundException

NoSuchMethodException

IllegalArgumentException

IllegalAccessException

InvocationTargetException