Files
spring-session/samples/hazelcast/src/main/java/sample/Initializer.java
Rob Winch 9834e91c6d Make JDK 1.5 compatible
Fixes gh-71
2014-11-26 08:49:58 -06:00

89 lines
3.3 KiB
Java

/*
* Copyright 2002-2013 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 sample;
import java.io.IOException;
import java.net.ServerSocket;
import java.util.EnumSet;
import java.util.Map;
import javax.servlet.DispatcherType;
import javax.servlet.FilterRegistration.Dynamic;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;
import org.springframework.session.ExpiringSession;
import org.springframework.session.MapSession;
import org.springframework.session.MapSessionRepository;
import org.springframework.session.SessionRepository;
import org.springframework.session.web.http.SessionRepositoryFilter;
import com.hazelcast.config.Config;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.NetworkConfig;
import com.hazelcast.config.SerializerConfig;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
@WebListener
public class Initializer implements ServletContextListener {
private HazelcastInstance instance;
public void contextInitialized(ServletContextEvent sce) {
String sessionMapName = "spring:session:sessions";
ServletContext sc = sce.getServletContext();
Config cfg = new Config();
NetworkConfig netConfig = new NetworkConfig();
netConfig.setPort(getAvailablePort());
cfg.setNetworkConfig(netConfig);
SerializerConfig serializer = new SerializerConfig()
.setTypeClass(Object.class)
.setImplementation(new ObjectStreamSerializer());
cfg.getSerializationConfig().addSerializerConfig(serializer);
MapConfig mc = new MapConfig();
mc.setName(sessionMapName);
mc.setTimeToLiveSeconds(MapSession.DEFAULT_MAX_INACTIVE_INTERVAL_SECONDS);
cfg.addMapConfig(mc);
instance = Hazelcast.newHazelcastInstance(cfg);
Map<String,ExpiringSession> sessions = instance.getMap(sessionMapName);
SessionRepository<ExpiringSession> sessionRepository = new MapSessionRepository(sessions);
Dynamic fr = sc.addFilter("springSessionFilter", new SessionRepositoryFilter<ExpiringSession>(sessionRepository ));
fr.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), true, "/*");
}
public void contextDestroyed(ServletContextEvent sce) {
instance.shutdown();
}
private static int getAvailablePort() {
ServerSocket socket = null;
try {
socket = new ServerSocket(0);
return socket.getLocalPort();
} catch(IOException e) {
throw new RuntimeException(e);
} finally {
try {
socket.close();
}catch(IOException e) {}
}
}
}