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/*
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*
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package com.sun.enterprise.naming.impl;
import org.glassfish.api.naming.GlassfishNamingManager;
import org.glassfish.api.naming.NamedNamingObjectProxy;
import org.glassfish.api.naming.NamespacePrefixes;
import org.glassfish.hk2.api.ServiceHandle;
import org.glassfish.hk2.api.ServiceLocator;
import javax.naming.NamingException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.logging.Level;
import static com.sun.enterprise.naming.util.LogFacade.logger;
/**
* @author Mahesh Kannan
*/
public class NamedNamingObjectManager {
private static final AtomicReference habitatRef
= new AtomicReference();
private static final Map proxies = new HashMap();
private static final ReadWriteLock rwLock = new ReentrantReadWriteLock();
public static void checkAndLoadProxies(ServiceLocator habitat)
throws NamingException {
if (NamedNamingObjectManager.habitatRef.get() != habitat) {
if (habitat != null) {
rwLock.writeLock().lock();
try {
if (NamedNamingObjectManager.habitatRef.get() != habitat) {
NamedNamingObjectManager.habitatRef.set(habitat);
proxies.clear();
}
} finally {
rwLock.writeLock().unlock();
}
}
}
}
public static Object tryNamedProxies(String name)
throws NamingException {
NamedNamingObjectProxy proxy = getCachedProxy(name);
if (proxy != null) {
if (logger.isLoggable(Level.FINE)) {
logger.logp(Level.FINE, "NamedNamingObjectManager", "tryNamedProxies",
"found cached proxy [{0}] for [{1}]", new Object[]{proxy, name});
}
return proxy.handle(name);
}
// for (Binding b : getHabitat().getBindings(new NamingDescriptor())) {
// for (String prefix : b.getDescriptor().getNames()) {
// if (name.startsWith(prefix)) {
// proxy = (NamedNamingObjectProxy) b.getProvider().get();
// System.out.println("NamedNamingObjectManager.tryNamedProxies: found a proxy " + proxy + " for " + name);
// cacheProxy(prefix, proxy);
// return proxy.handle(name);
// }
// }
// }
for (ServiceHandle inhabitant : getHabitat()
.getAllServiceHandles(NamespacePrefixes.class)) {
List prefixes = inhabitant.getActiveDescriptor().getMetadata().get(GlassfishNamingManager.NAMESPACE_METADATA_KEY);
if (prefixes == null) continue;
String prefix = null;
for (String candidate : prefixes) {
if (name.startsWith(candidate)) {
prefix = candidate;
break;
}
}
if (prefix != null) {
proxy = (NamedNamingObjectProxy) inhabitant.getService();
if (logger.isLoggable(Level.FINE)) {
logger.logp(Level.FINE, "NamedNamingObjectManager",
"tryNamedProxies",
"found a new proxy [{0}] for [{1}]", new Object[] {
proxy, name });
}
cacheProxy(prefix, proxy);
return proxy.handle(name);
}
}
return null;
}
private static ServiceLocator getHabitat() {
return habitatRef.get();
}
private static NamedNamingObjectProxy getCachedProxy(String name) {
rwLock.readLock().lock();
try {
for (Entry entry : proxies.entrySet()) {
String proxyPrefix = entry.getKey();
if (name.startsWith(proxyPrefix)) {
return entry.getValue();
}
}
} finally {
rwLock.readLock().unlock();
}
return null;
}
private static void cacheProxy(String prefix, NamedNamingObjectProxy proxy) {
rwLock.writeLock().lock();
try {
proxies.put(prefix, proxy);
} finally {
rwLock.writeLock().unlock();
}
}
}