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Micro Distribution of the Payara Project
/*
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*
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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*
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*/
// Portions Copyright [2018-2021] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.iiop.security;
import fish.payara.nucleus.cluster.PayaraCluster;
import java.lang.ref.WeakReference;
import org.glassfish.enterprise.iiop.api.GlassFishORBFactory;
import org.glassfish.enterprise.iiop.api.GlassFishORBHelper;
import org.glassfish.enterprise.iiop.impl.GlassFishORBManager;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.internal.api.Globals;
import com.sun.enterprise.config.serverbeans.Servers;
import jakarta.inject.Inject;
import jakarta.inject.Provider;
/**
* This class is a local utility class to provide for hk2 lookups during runtime.
*
* @author Sudarsan Sridhar
*/
public class Lookups {
@Inject
private Provider securityMechanismSelectorProvider;
@Inject
private Provider glassFishORBHelperProvider;
@Inject
private Provider glassFishORBFactoryProvider;
@Inject
private Provider securityContextUtilProvider;
@Inject
private Provider payaraCluster;
/**
* Static singleton {@link Habitat} instance.
*/
private static final ServiceLocator habitat = Globals.getDefaultHabitat();
/**
* Static singleton {@link Lookups} instance. Note that this is assigned lazily and may remain null
* if the {@link Habitat} can not be obtained.
*/
private static Lookups singleton;
private static WeakReference sms = new WeakReference(null);
private static WeakReference orb = new WeakReference(null);
private static WeakReference sc = new WeakReference(null);
private Lookups() {
}
/**
* Check to see if the singleton {@link Lookups} reference has been assigned. If null, then attempt
* to obtain and assign the singleton {@link Lookups} instance.
*
* @return true if the singleton instance has been successfully assigned; false otherwise
*/
private static synchronized boolean checkSingleton() {
if (singleton == null && habitat != null) {
// Obtaining the singleton through the habitat will cause the injections to occur.
singleton = habitat.create(Lookups.class);
habitat.inject(singleton);
habitat.postConstruct(singleton);
}
return singleton != null;
}
/**
* Get the {@link SecurityMechanismSelector}.
*
* @return the {@link SecurityMechanismSelector}; null if not available
*/
static SecurityMechanismSelector getSecurityMechanismSelector() {
if (sms.get() != null) {
return sms.get();
}
return _getSecurityMechanismSelector();
}
private static synchronized SecurityMechanismSelector _getSecurityMechanismSelector() {
if (sms.get() == null && checkSingleton()) {
sms = new WeakReference(singleton.securityMechanismSelectorProvider.get());
}
return sms.get();
}
/**
* Get the {@link GlassFishORBHelper}.
*
* @return the {@link GlassFishORBHelper}; null if not available
*/
static GlassFishORBHelper getGlassFishORBHelper() {
if (orb.get() != null) {
return orb.get();
}
return _getGlassFishORBHelper();
}
private static synchronized GlassFishORBHelper _getGlassFishORBHelper() {
if (orb.get() == null && checkSingleton()) {
orb = new WeakReference(singleton.glassFishORBHelperProvider.get());
}
return orb.get();
}
/**
* Get the {@link SecurityContextUtil}.
*
* @return the {@link SecurityContextUtil}; null if not available
*/
static SecurityContextUtil getSecurityContextUtil() {
if (sc.get() != null) {
return sc.get();
}
return _getSecurityContextUtil();
}
private static synchronized SecurityContextUtil _getSecurityContextUtil() {
if (sc.get() == null && checkSingleton()) {
sc = new WeakReference(singleton.securityContextUtilProvider.get());
}
return sc.get();
}
/**
* Get the {@link GMSAdapterService}.
*
* @return the {@link GMSAdapterService}; null if not available
*/
static PayaraCluster getCluster() {
return checkSingleton() ? singleton.payaraCluster.get() : null;
}
static GlassFishORBFactory getGlassFishORBFactory() {
return checkSingleton() ? singleton.glassFishORBFactoryProvider.get() : null;
}
}