org.apache.calcite.avatica.util

Class SecurityUtils

java.lang.Object

org.apache.calcite.avatica.util.SecurityUtils

public class SecurityUtils
extends Object

This class is loosely based on SecurityUtils in Jetty 12.0

Collections of utility methods to deal with the scheduled removal of the security classes defined by JEP 411.

Method Summary

Modifier and Type	Method and Description
static <T> T	callAs(Subject subject, Callable<T> action) Maps to Subject.callAs() if available, otherwise maps to Subject.doAs()
static Subject	currentSubject() Maps to Subject.currect() is available, otherwise maps to Subject.getSubject()
static <T> T	doPrivileged(PrivilegedAction<T> action) Maps to AccessController#doPrivileged if available, otherwise returns action.run().

Methods inherited from class java.lang.Object

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

Method Detail

doPrivileged

public static <T> T doPrivileged(PrivilegedAction<T> action)

Maps to AccessController#doPrivileged if available, otherwise returns action.run().

Type Parameters:

T - the type of the result

Parameters:

action - the action to run

Returns:

the result of running the action

callAs

public static <T> T callAs(Subject subject,
                           Callable<T> action)
                    throws CompletionException

Maps to Subject.callAs() if available, otherwise maps to Subject.doAs()

Type Parameters:

T - the type of the result

Parameters:

subject - the subject this action runs as

action - the action to run

Returns:

the result of the action

Throws:

CompletionException

currentSubject

public static Subject currentSubject()

Maps to Subject.currect() is available, otherwise maps to Subject.getSubject()

Returns:

the current subject