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package org.glassfish.jersey.internal;

import java.util.List;
import java.util.stream.Collectors;

import javax.ws.rs.RuntimeType;
import javax.ws.rs.core.Configuration;

import org.glassfish.jersey.internal.inject.Bindings;
import org.glassfish.jersey.internal.inject.InjectionManager;
import org.glassfish.jersey.internal.spi.AutoDiscoverable;

/**
 * Configurator which initializes and register {@link AutoDiscoverable} instances into {@link InjectionManager} and
 * {@link BootstrapBag}.
 *
 * @author Petr Bouda
 */
public class AutoDiscoverableConfigurator extends AbstractServiceFinderConfigurator {

    /**
     * Create a new configurator.
     *
     * @param runtimeType runtime (client or server) where the service finder binder is used.
     */
    public AutoDiscoverableConfigurator(RuntimeType runtimeType) {
        super(AutoDiscoverable.class, runtimeType);
    }

    @Override
    public void init(InjectionManager injectionManager, BootstrapBag bootstrapBag) {
        Configuration configuration = bootstrapBag.getConfiguration();
        List autoDiscoverables = loadImplementations(configuration.getProperties()).stream()
                .peek(implClass -> injectionManager.register(Bindings.service(implClass).to(AutoDiscoverable.class)))
                .map(injectionManager::createAndInitialize)
                .collect(Collectors.toList());

        bootstrapBag.setAutoDiscoverables(autoDiscoverables);
    }
}