/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.wicket.cdi;
import javax.enterprise.context.Conversation;
import javax.inject.Inject;
import org.apache.wicket.Component;
import org.apache.wicket.Page;
import org.apache.wicket.application.IComponentOnBeforeRenderListener;
import org.apache.wicket.core.request.handler.IPartialPageRequestHandler;
import org.apache.wicket.request.cycle.RequestCycle;
import org.apache.wicket.util.lang.Objects;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Checks for conversation expiration during page render and throws a
* {@link ConversationExpiredException} when an expired conversation is
* detected.
*
* For example a link that calls {@link Conversation#end()} but does not
* redirect to a non-conversation-dependent page will be caught by this
* listener.
*
* @author igor
*
*/
public class ConversationExpiryChecker implements IComponentOnBeforeRenderListener
{
private static final Logger logger = LoggerFactory.getLogger(ConversationExpiryChecker.class);
@Inject
private Conversation conversation;
public ConversationExpiryChecker()
{
NonContextual.of(ConversationExpiryChecker.class).inject(this);
}
@Override
public void onBeforeRender(Component component)
{
if (component instanceof Page || RequestCycle.get().find(IPartialPageRequestHandler.class).isPresent())
{
Page page = component.getPage();
String cid = ConversationPropagator.getConversationIdFromPage(page);
if (cid != null && !Objects.isEqual(conversation.getId(), cid))
{
logger.info("Conversation {} has expired for {}", cid, page);
throw new ConversationExpiredException(null, cid, page, RequestCycle.get()
.getActiveRequestHandler());
}
}
}
}