/*
* JBoss, Home of Professional Open Source.
* Copyright 2017 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wildfly.security.auth.server.event;
/**
* An abstract class to be extended by visitor implementations for handling SecurityEvents.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
public abstract class SecurityEventVisitor<P, R> {
protected SecurityEventVisitor() {
}
/**
* Handle any unhandled security event.
*
* @param event the security event
* @param param the visitor parameter
* @return the visitor return value
*/
public R handleUnknownEvent(final SecurityEvent event, final P param) {
return null;
}
/**
* Handle a security definite outcome event.
*
* @param event the security event
* @param param the visitor parameter
* @return the visitor return value
*/
public R handleDefiniteOutcomeEvent(final SecurityDefiniteOutcomeEvent event, final P param) {
return handleUnknownEvent(event, param);
}
/**
* Handle a security authentication event.
*
* @param event the security event
* @param param the visitor parameter
* @return the visitor return value
*/
public R handleAuthenticationEvent(final SecurityAuthenticationEvent event, final P param) {
return handleDefiniteOutcomeEvent(event, param);
}
/**
* Handle a security authentication successful event.
*
* @param event the security event
* @param param the visitor parameter
* @return the visitor return value
*/
public R handleAuthenticationSuccessfulEvent(final SecurityAuthenticationSuccessfulEvent event, final P param) {
return handleAuthenticationEvent(event, param);
}
/**
* Handle a security authentication failed event.
*
* @param event the security event
* @param param the visitor parameter
* @return the visitor return value
*/
public R handleAuthenticationFailedEvent(final SecurityAuthenticationFailedEvent event, final P param) {
return handleAuthenticationEvent(event, param);
}
/**
* Handle a security permission check event.
*
* @param event the security event
* @param param the visitor parameter
* @return the visitor return value
*/
public R handlePermissionCheckEvent(final SecurityPermissionCheckEvent event, final P param) {
return handleDefiniteOutcomeEvent(event, param);
}
/**
* Handle a security permission check successful event.
*
* @param event the security event
* @param param the visitor parameter
* @return the visitor return value
*/
public R handlePermissionCheckSuccessfulEvent(final SecurityPermissionCheckSuccessfulEvent event, final P param) {
return handlePermissionCheckEvent(event, param);
}
/**
* Handle a security permission check failed event.
*
* @param event the security event
* @param param the visitor parameter
* @return the visitor return value
*/
public R handlePermissionCheckFailedEvent(final SecurityPermissionCheckFailedEvent event, final P param) {
return handlePermissionCheckEvent(event, param);
}
}