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package org.glassfish.jms.injection;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.enterprise.context.RequestScoped;
import javax.jms.ConnectionFactory;
import javax.jms.JMSContext;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.logging.LogDomains;
/**
* This bean has a map to store JMSContext instances based on the injection
* point, that makes sure in one class, the injected JMSContext beans of
* different injection point will not share the same request scoped JMSContext
* instance in a request.
*/
public abstract class AbstractJMSContextManager implements Serializable {
private final static Logger logger = LogDomains.getLogger(AbstractJMSContextManager.class, LogDomains.JMS_LOGGER);
private final static LocalStringManagerImpl localStrings = new LocalStringManagerImpl(AbstractJMSContextManager.class);
protected final Map<String, JMSContextEntry> contexts;
public AbstractJMSContextManager() {
contexts = new HashMap<String, JMSContextEntry>();
}
protected JMSContext createContext(String ipId, JMSContextMetadata metadata, ConnectionFactory connectionFactory) {
int sessionMode = metadata.getSessionMode();
String userName = metadata.getUserName();
JMSContext context = null;
if (userName == null) {
context = connectionFactory.createContext(sessionMode);
} else {
String password = metadata.getPassword();
context = connectionFactory.createContext(userName, password, sessionMode);
}
logger.log(Level.FINE, localStrings.getLocalString("JMSContext.impl.create",
"Created new JMSContext instance associated with id {0}: {1}.",
ipId, context.toString()));
return context;
}
public synchronized JMSContext getContext(String ipId, String id, JMSContextMetadata metadata, ConnectionFactory connectionFactory) {
JMSContextEntry contextEntry = contexts.get(id);
JMSContext context = null;
if (contextEntry == null) {
context = createContext(ipId, metadata, connectionFactory);
contexts.put(id, new JMSContextEntry(ipId, context));
} else {
context = contextEntry.getCtx();
}
return context;
}
public JMSContext getContext(String id) {
JMSContextEntry entry = contexts.get(id);
JMSContext context = null;
if (entry != null)
context = entry.getCtx();
return context;
}
// Close and remove the JMSContext instances
@PreDestroy
public synchronized void cleanup() {
for (Entry<String, JMSContextEntry> entry : contexts.entrySet()) {
JMSContextEntry contextEntry = entry.getValue();
String ipId = contextEntry.getInjectionPointId();
JMSContext context = contextEntry.getCtx();
if (context != null) {
try {
context.close();
logger.log(Level.FINE, localStrings.getLocalString("JMSContext.impl.close",
"Closed JMSContext instance associated with id {0}: {1}.",
ipId, context.toString()));
} catch (Exception e) {
logger.log(Level.SEVERE, localStrings.getLocalString("JMSContext.impl.close.failure",
"Failed to close JMSContext instance associated with id {0}: {1}.",
ipId, context.toString()), e);
}
}
}
contexts.clear();
}
public abstract String getType();
}