Graylog2ServiceLocatorGenerator.java example

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graylog2-server-master
/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.graylog2.shared.bindings;

import com.google.inject.Injector;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.external.generator.ServiceLocatorGeneratorImpl;
import org.jvnet.hk2.guice.bridge.api.GuiceBridge;
import org.jvnet.hk2.guice.bridge.api.GuiceIntoHK2Bridge;
import org.jvnet.hk2.guice.bridge.api.HK2IntoGuiceBridge;

public class Graylog2ServiceLocatorGenerator extends ServiceLocatorGeneratorImpl {
    @Override
    public ServiceLocator create(String name, ServiceLocator parent) {
        final ServiceLocator serviceLocator = super.create(name, parent);

        final Injector injector = GuiceInjectorHolder.getInjector()
                .createChildInjector(new HK2IntoGuiceBridge(serviceLocator));

        GuiceBridge.getGuiceBridge().initializeGuiceBridge(serviceLocator);
        final GuiceIntoHK2Bridge guiceBridge = serviceLocator.getService(GuiceIntoHK2Bridge.class);
        guiceBridge.bridgeGuiceInjector(injector);

        return serviceLocator;
    }
}