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package java.security;


This exception is thrown by doPrivileged(PrivilegedExceptionAction) and doPrivileged(PrivilegedExceptionAction,
AccessControlContext context) to indicate that the action being performed threw a checked exception. The exception thrown by the action can be obtained by calling the getException method. In effect, an PrivilegedActionException is a "wrapper" for an exception thrown by a privileged action. 
As of release 1.4, this exception has been retrofitted to conform to the general purpose exception-chaining mechanism. The "exception thrown by the privileged computation" that is provided at construction time and accessed via the getException() method is now known as the cause, and may be accessed via the Throwable.getCause() method, as well as the aforementioned "legacy method." 
See Also:
Since:1.2
/**
 * This exception is thrown by
 * {@code doPrivileged(PrivilegedExceptionAction)} and
 * {@code doPrivileged(PrivilegedExceptionAction,
 * AccessControlContext context)} to indicate
 * that the action being performed threw a checked exception.  The exception
 * thrown by the action can be obtained by calling the
 * {@code getException} method.  In effect, an
 * {@code PrivilegedActionException} is a "wrapper"
 * for an exception thrown by a privileged action.
 *
 * <p>As of release 1.4, this exception has been retrofitted to conform to
 * the general purpose exception-chaining mechanism.  The "exception thrown
 * by the privileged computation" that is provided at construction time and
 * accessed via the {@link #getException()} method is now known as the
 * <i>cause</i>, and may be accessed via the {@link Throwable#getCause()}
 * method, as well as the aforementioned "legacy method."
 *
 * @since 1.2
 * @see PrivilegedExceptionAction
 * @see AccessController#doPrivileged(PrivilegedExceptionAction)
 * @see AccessController#doPrivileged(PrivilegedExceptionAction,AccessControlContext)
 */
public class PrivilegedActionException extends Exception {
    // use serialVersionUID from JDK 1.2.2 for interoperability
    private static final long serialVersionUID = 4724086851538908602L;

    
@serial
/**
     * @serial
     */
    private Exception exception;

    
Constructs a new PrivilegedActionException "wrapping"
the specific Exception.

Params:
  • exception – The exception thrown
/**
     * Constructs a new PrivilegedActionException &quot;wrapping&quot;
     * the specific Exception.
     *
     * @param exception The exception thrown
     */
    public PrivilegedActionException(Exception exception) {
        super((Throwable)null);  // Disallow initCause
        this.exception = exception;
    }

    
Returns the exception thrown by the privileged computation that resulted in this PrivilegedActionException. 
This method predates the general-purpose exception chaining facility. The Throwable.getCause() method is now the preferred means of obtaining this information. 
See Also:
Returns:the exception thrown by the privileged computation that resulted in this PrivilegedActionException.
/**
     * Returns the exception thrown by the privileged computation that
     * resulted in this {@code PrivilegedActionException}.
     *
     * <p>This method predates the general-purpose exception chaining facility.
     * The {@link Throwable#getCause()} method is now the preferred means of
     * obtaining this information.
     *
     * @return the exception thrown by the privileged computation that
     *         resulted in this {@code PrivilegedActionException}.
     * @see PrivilegedExceptionAction
     * @see AccessController#doPrivileged(PrivilegedExceptionAction)
     * @see AccessController#doPrivileged(PrivilegedExceptionAction,
     *                                            AccessControlContext)
     */
    public Exception getException() {
        return exception;
    }

    
Returns the cause of this exception (the exception thrown by the privileged computation that resulted in this PrivilegedActionException). 
Returns: the cause of this exception.
Since:  1.4
/**
     * Returns the cause of this exception (the exception thrown by
     * the privileged computation that resulted in this
     * {@code PrivilegedActionException}).
     *
     * @return  the cause of this exception.
     * @since   1.4
     */
    public Throwable getCause() {
        return exception;
    }

    public String toString() {
        String s = getClass().getName();
        return (exception != null) ? (s + ": " + exception.toString()) : s;
    }
}