com.prosyst.util.security
Class PrivilegedRunner

java.lang.Object
  com.prosyst.util.security.PrivilegedRunner

All Implemented Interfaces:

ObjectCreator

public final class PrivilegedRunner
extends java.lang.Object
implements ObjectCreator

A simple wrapper for executing privileged actions.

Since:

3.1.0

Author:

Valentin Valchev

Nested Class Summary

static interface

PrivilegedRunner.PrivilegedDispatcher This dispatcher is the handler that is called within the privileged call.

Method Summary

static java.lang.Object	doPrivileged(java.lang.Object context, PrivilegedRunner.PrivilegedDispatcher dispatcher, int type, java.lang.Object arg1) Same as the longer doPrivileged method, but fills in the first parameter only.
static java.lang.Object	doPrivileged(java.lang.Object context, PrivilegedRunner.PrivilegedDispatcher dispatcher, int type, java.lang.Object arg1, java.lang.Object arg2, java.lang.Object arg3, java.lang.Object arg4) Performs a privileged action.
java.lang.Object	getInstance()

Methods inherited from class java.lang.Object

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

Method Detail

doPrivileged

public static final java.lang.Object doPrivileged(java.lang.Object context,
                                                  PrivilegedRunner.PrivilegedDispatcher dispatcher,
                                                  int type,
                                                  java.lang.Object arg1)
                                           throws java.lang.Exception

Same as the longer doPrivileged method, but fills in the first parameter only. All other parameters are set to null.

Parameters:

context - the access context

dispatcher - the dispatcher which should be called

type - the type of the action - used in the dispatcher

arg1 - a parameter received by the dispatcher

Returns:

the object returned from the execution

Throws:

java.lang.Exception - if the dispatcher fails

See Also:

doPrivileged(Object, PrivilegedDispatcher, int, Object)

doPrivileged

public static final java.lang.Object doPrivileged(java.lang.Object context,
                                                  PrivilegedRunner.PrivilegedDispatcher dispatcher,
                                                  int type,
                                                  java.lang.Object arg1,
                                                  java.lang.Object arg2,
                                                  java.lang.Object arg3,
                                                  java.lang.Object arg4)
                                           throws java.lang.Exception

Performs a privileged action. The method calls the dispatcher inside the privileged call passing it the same parameters that were passed to this method.

Parameters:

context - the access context

dispatcher - the dispatcher which should be called

type - the type of the action - used in the dispatcher

arg1 - a parameter received by the dispatcher

arg2 - a parameter received by the dispatcher

arg3 - a parameter received by the dispatcher

arg4 - a parameter received by the dispatcher

Returns:

the object returned from the execution

Throws:

java.lang.Exception - if the dispatcher fails

getInstance

public java.lang.Object getInstance()
                             throws java.lang.Exception

Specified by:

getInstance in interface ObjectCreator

Throws:

java.lang.Exception

See Also:

ObjectCreator.getInstance()