org.entityfs.security
Class AbstractAccessControllerSubject

java.lang.Object
  org.entityfs.security.AbstractAccessControllerSubject

All Implemented Interfaces:

Serializable, Subject

Direct Known Subclasses:

AbstractAccessControllerUidGidSubject, SimpleAccessControllerSubject

public abstract class AbstractAccessControllerSubject
extends Object
implements Subject

This abstract class can be used as a starting point for Subject implementations that use an AccessController. It implements the doAs methods.

Since:

1.0

Author:

Karl Gustafsson

See Also:

Serialized Form

Constructor Summary

protected

AbstractAccessControllerSubject(AccessController ac)

Method Summary

<T> T	doAs(PrivilegedAction<T> action) Perform the action as this subject.
<T> T	doAs(PrivilegedExceptionAction<T> action) Perform the action as this subject.
protected <T> Set<T>	getSubset(Set<?> s, Class<T> c) Get a set containing the elements in s that are instances or subclasses of the specified Class.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.entityfs.security.Subject

getPrincipals, getPrincipals, getPrivateCredentials, getPrivateCredentials, getPublicCredentials, getPublicCredentials

Constructor Detail

AbstractAccessControllerSubject

protected AbstractAccessControllerSubject(AccessController ac)

Method Detail

getSubset

protected <T> Set<T> getSubset(Set<?> s,
                               Class<T> c)

Get a set containing the elements in s that are instances or subclasses of the specified Class.

Type Parameters:

T - The type of the class.

Parameters:

s - The set

c - The class object.

Returns:

The subset of elements in s that are instances or subclasses of T.

doAs

public <T> T doAs(PrivilegedAction<T> action)

Description copied from interface: Subject

Perform the action as this subject.

Specified by:

doAs in interface Subject

Parameters:

action - The action to perform.

Returns:

The action's return value.

doAs

public <T> T doAs(PrivilegedExceptionAction<T> action)
       throws Exception

Description copied from interface: Subject

Perform the action as this subject.

Specified by:

doAs in interface Subject

Parameters:

action - The action to perform.

Returns:

The action's return value.

Throws:

Exception - Any exception thrown from the action.