com.liferay.portal.kernel.util.TermsOfUseContentProviderRegistryUtil Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.portal.kernel.util;
import aQute.bnd.annotation.ProviderType;
import com.liferay.registry.Registry;
import com.liferay.registry.RegistryUtil;
import com.liferay.registry.ServiceReference;
import com.liferay.registry.ServiceRegistration;
import com.liferay.registry.ServiceTracker;
import com.liferay.registry.ServiceTrackerCustomizer;
import com.liferay.registry.collections.ServiceRegistrationMap;
import com.liferay.registry.collections.ServiceRegistrationMapImpl;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
/**
* @author Eduardo García
*/
@ProviderType
public class TermsOfUseContentProviderRegistryUtil {
public static String[] getClassNames() {
return _instance._getClassNames();
}
public static TermsOfUseContentProvider getTermsOfUseContentProvider() {
return _instance._getTermsOfUseContentProvider();
}
public static TermsOfUseContentProvider getTermsOfUseContentProvider(
String className) {
return _instance._getTermsOfUseContentProvider(className);
}
public static List
getTermsOfUseContentProviders() {
return _instance._getTermsOfUseContentProviders();
}
public static void register(
TermsOfUseContentProvider termsOfUseContentProvider) {
_instance._register(termsOfUseContentProvider);
}
public static void unregister(
TermsOfUseContentProvider termsOfUseContentProvider) {
_instance._unregister(termsOfUseContentProvider);
}
private TermsOfUseContentProviderRegistryUtil() {
Registry registry = RegistryUtil.getRegistry();
_serviceTracker = registry.trackServices(
TermsOfUseContentProvider.class,
new TermsOfUseContentProviderServiceTrackerCustomizer());
_serviceTracker.open();
}
private String[] _getClassNames() {
Set classNames = _termsOfUseContentProviders.keySet();
return classNames.toArray(new String[classNames.size()]);
}
private TermsOfUseContentProvider _getTermsOfUseContentProvider() {
List termsOfUseContentProviders =
_getTermsOfUseContentProviders();
if (termsOfUseContentProviders.isEmpty()) {
return null;
}
return termsOfUseContentProviders.get(0);
}
private TermsOfUseContentProvider _getTermsOfUseContentProvider(
String className) {
return _termsOfUseContentProviders.get(className);
}
private List _getTermsOfUseContentProviders() {
return ListUtil.fromMapValues(_termsOfUseContentProviders);
}
private void _register(
TermsOfUseContentProvider termsOfUseContentProvider) {
Registry registry = RegistryUtil.getRegistry();
ServiceRegistration serviceRegistration =
registry.registerService(
TermsOfUseContentProvider.class, termsOfUseContentProvider);
_serviceRegistrations.put(
termsOfUseContentProvider, serviceRegistration);
}
private void _unregister(
TermsOfUseContentProvider termsOfUseContentProvider) {
ServiceRegistration serviceRegistration =
_serviceRegistrations.remove(termsOfUseContentProvider);
if (serviceRegistration != null) {
serviceRegistration.unregister();
}
}
private static final TermsOfUseContentProviderRegistryUtil _instance =
new TermsOfUseContentProviderRegistryUtil();
private final ServiceRegistrationMap
_serviceRegistrations = new ServiceRegistrationMapImpl<>();
private final ServiceTracker
_serviceTracker;
private final Map
_termsOfUseContentProviders = new ConcurrentHashMap<>();
private class TermsOfUseContentProviderServiceTrackerCustomizer
implements ServiceTrackerCustomizer
{
@Override
public TermsOfUseContentProvider addingService(
ServiceReference serviceReference) {
Registry registry = RegistryUtil.getRegistry();
TermsOfUseContentProvider termsOfUseContentProvider =
registry.getService(serviceReference);
_termsOfUseContentProviders.put(
termsOfUseContentProvider.getClassName(),
termsOfUseContentProvider);
return termsOfUseContentProvider;
}
@Override
public void modifiedService(
ServiceReference serviceReference,
TermsOfUseContentProvider termsOfUseContentProvider) {
}
@Override
public void removedService(
ServiceReference serviceReference,
TermsOfUseContentProvider termsOfUseContentProvider) {
Registry registry = RegistryUtil.getRegistry();
registry.ungetService(serviceReference);
_termsOfUseContentProviders.remove(
termsOfUseContentProvider.getClassName());
}
}
}