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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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// Portions Copyright [2018-2019] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.security.common;

import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;

/**
 * This class provides an optimization for some methods in
 * java.security.AccessController.
 * @author Shing Wai Chan
 */
public final class AppservAccessController {

    private static boolean isSecMgrOff = System.getSecurityManager() == null;

    private AppservAccessController() {
    }


    public static  T privileged(PrivilegedAction action) {
        if (isSecMgrOff) {
            return action.run();
        }

        return AccessController.doPrivileged(action);
    }

    public static Object privileged(Runnable action) {
        if (isSecMgrOff) {
            action.run();
            return null;
        }

        return AccessController.doPrivileged( (PrivilegedAction) () -> {action.run(); return null;});
    }
    
    public static void privilegedException(Runnable action) throws PrivilegedActionException {
        if (isSecMgrOff) {
            try {
                action.run();
            } catch (Exception e) {
                throw new PrivilegedActionException(e);
            }
        } else {
            AccessController.doPrivileged((PrivilegedExceptionAction) () -> {action.run(); return null;});
        }
    }
    
    public static Object privilegedAlways(Runnable action) {
        return AccessController.doPrivileged( (PrivilegedAction) () -> {action.run(); return null;});
    }
    
    public static  T privilegedAlways(PrivilegedAction action) {
        return AccessController.doPrivileged(action);
    }

    public static Object doPrivileged(PrivilegedAction action) {
        if (isSecMgrOff) {
            return action.run();
        } else {
            return AccessController.doPrivileged(action);
        }
    }

    public static Object doPrivileged(PrivilegedExceptionAction action) throws PrivilegedActionException {
        if (isSecMgrOff) {
            try {
                return action.run();
            } catch(Exception e) {
                throw new PrivilegedActionException(e);
            }
        } else {
            return AccessController.doPrivileged(action);
        }
    }


}
 















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