Package 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	Description
static final String	HOSTNAME_PATTERN
static final String	KERBEROS_SASL_NAME
static final String	KERBEROS_SIMPLE_NAME

Method Summary

Modifier and Type	Method	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 Details

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 Details

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