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HazelcastSessionTrackerValve.java
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HazelcastSessionTrackerValve.java
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/*
* Copyright 2015-2021 the original author or authors.
*
* 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.appng.tomcat.session.hazelcast;
import java.io.IOException;
import javax.servlet.ServletException;
import org.apache.catalina.Session;
import org.apache.catalina.Valve;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;
import org.apache.catalina.valves.PersistentValve;
import org.apache.juli.logging.Log;
import org.appng.tomcat.session.Utils;
/**
* A {@link Valve} that uses {@link HazelcastPersistentManager} to store a {@link Session}
*/
public class HazelcastSessionTrackerValve extends PersistentValve {
private final Log log = Utils.getLog(HazelcastSessionTrackerValve.class);
@Override
public void invoke(Request request, Response response) throws IOException, ServletException {
try {
getNext().invoke(request, response);
} finally {
long start = System.currentTimeMillis();
HazelcastPersistentManager manager = (HazelcastPersistentManager) request.getContext().getManager();
Session session = request.getSessionInternal(false);
if (session != null) {
if (session.isValid()) {
log.trace(String.format("Request with session completed, saving session %s", session.getId()));
manager.getStore().save(session);
} else {
log.trace(String.format("HTTP Session has been invalidated, removing %s", session.getId()));
manager.remove(session);
}
}
long duration = System.currentTimeMillis() - start;
if (log.isDebugEnabled() && duration > 0) {
log.debug(String.format("handling session for %s took %sms", request.getServletPath(), duration));
}
}
}
}