com.tangosol.net.security.SecurityHelper Maven / Gradle / Ivy
/*
* Copyright (c) 2000, 2020, Oracle and/or its affiliates.
*
* Licensed under the Universal Permissive License v 1.0 as shown at
* http://oss.oracle.com/licenses/upl.
*/
package com.tangosol.net.security;
import com.tangosol.util.NullImplementation;
import java.security.AccessController;
import javax.security.auth.Subject;
/**
* A collection of security-related utilities.
*
* @author dag 2009.11.16
*/
public abstract class SecurityHelper
{
/**
* Return the Subject from the current security context.
*
* @return the current Subject.
*/
public static Subject getCurrentSubject()
{
return Subject.getSubject(AccessController.getContext());
}
// ----- constants -----------------------------------------------------
/**
* A subject that represents nobody.
*/
public static final Subject EMPTY_SUBJECT = new Subject(true, NullImplementation.getSet(),
NullImplementation.getSet(), NullImplementation.getSet());
}