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Explore the source code of the class JsonJacksonModule.java

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package org.glassfish.jersey.media.json;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import javax.inject.Singleton;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;

import org.glassfish.hk2.utilities.AbstractActiveDescriptor;
import org.glassfish.hk2.utilities.BuilderHelper;
import org.glassfish.jersey.internal.inject.AbstractModule;
import org.glassfish.jersey.media.json.internal.entity.JsonWithPaddingProvider;

import org.codehaus.jackson.jaxrs.JacksonJaxbJsonProvider;
import org.codehaus.jackson.jaxrs.JacksonJsonProvider;

/**
 * Module with JAX-RS Jackson JSON providers.
 *
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
public class JsonJacksonModule extends AbstractModule {

    private static final Collection> PROVIDERS = Collections.unmodifiableList(Arrays.asList(new Class[]{
                JacksonJsonProvider.class,
                JacksonJaxbJsonProvider.class,
                JsonWithPaddingProvider.class
            }));

    /**
     * Get providers used for serialization and de-serialization of entities
     * to/from JSON media type.
     *
     * @return {@link Collection} of providers.
     */
    public static Collection> getProviders() {
        return PROVIDERS;
    }

    @Override
    protected void configure() {
        bindSingletonReaderWriterProvider(JacksonJsonProvider.class);
        bindSingletonReaderWriterProvider(JacksonJaxbJsonProvider.class);
        bindSingletonReaderWriterProvider(JsonWithPaddingProvider.class);
    }

    private  & MessageBodyWriter> void bindSingletonReaderWriterProvider(Class provider) {
        bind(BuilderHelper.link(provider).to(MessageBodyReader.class).to(MessageBodyWriter.class).in(Singleton.class).build());
    }
}