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package org.apache.james.modules.data;

import org.apache.commons.configuration2.ex.ConfigurationException;
import org.apache.james.backends.cassandra.components.CassandraModule;
import org.apache.james.domainlist.api.DomainList;
import org.apache.james.domainlist.cassandra.CassandraDomainList;
import org.apache.james.domainlist.lib.DomainListConfiguration;
import org.apache.james.server.core.configuration.ConfigurationProvider;
import org.apache.james.utils.InitializationOperation;
import org.apache.james.utils.InitilizationOperationBuilder;

import com.google.inject.AbstractModule;
import com.google.inject.Provides;
import com.google.inject.Scopes;
import com.google.inject.Singleton;
import com.google.inject.multibindings.Multibinder;
import com.google.inject.multibindings.ProvidesIntoSet;

public class CassandraDomainListModule extends AbstractModule {

    @Override
    public void configure() {
        bind(CassandraDomainList.class).in(Scopes.SINGLETON);
        bind(DomainList.class).to(CassandraDomainList.class);
        Multibinder.newSetBinder(binder(), CassandraModule.class).addBinding().toInstance(org.apache.james.domainlist.cassandra.CassandraDomainListModule.MODULE);
    }

    @Provides
    @Singleton
    public DomainListConfiguration provideDomainListConfiguration(ConfigurationProvider configurationProvider) throws ConfigurationException {
        return DomainListConfiguration.from(configurationProvider.getConfiguration("domainlist"));
    }

    @ProvidesIntoSet
    InitializationOperation configureDomainList(DomainListConfiguration configuration, CassandraDomainList cassandraDomainList) {
        return InitilizationOperationBuilder
            .forClass(CassandraDomainList.class)
            .init(() -> cassandraDomainList.configure(configuration));
    }
}
