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package org.glassfish.jersey.jaxb.internal;

import javax.inject.Singleton;

import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.stream.XMLInputFactory;
import javax.xml.transform.TransformerFactory;

import org.glassfish.hk2.api.PerThread;
import org.glassfish.hk2.utilities.binding.AbstractBinder;

/**
 * Binder for JAX-B message body workers.
 *
 * @author Jakub Podlesak (jakub.podlesak at oracle.com)
 */
public class JaxbMessagingBinder extends AbstractBinder {

    @Override
    protected void configure() {
        bindSingletonWorker(DocumentProvider.class);
        bindSingletonWorker(XmlJaxbElementProvider.App.class);
        bindSingletonWorker(XmlJaxbElementProvider.Text.class);
        bindSingletonWorker(XmlJaxbElementProvider.General.class);

        bindSingletonWorker(XmlCollectionJaxbProvider.App.class);
        bindSingletonWorker(XmlCollectionJaxbProvider.Text.class);
        bindSingletonWorker(XmlCollectionJaxbProvider.General.class);

        bindSingletonWorker(XmlRootElementJaxbProvider.App.class);
        bindSingletonWorker(XmlRootElementJaxbProvider.Text.class);
        bindSingletonWorker(XmlRootElementJaxbProvider.General.class);

        bind(XmlRootObjectJaxbProvider.App.class).to(MessageBodyReader.class).in(Singleton.class);
        bind(XmlRootObjectJaxbProvider.Text.class).to(MessageBodyReader.class).in(Singleton.class);
        bind(XmlRootObjectJaxbProvider.General.class).to(MessageBodyReader.class).in(Singleton.class);

        // XML factory injection points:
        bindFactory(DocumentBuilderFactoryInjectionProvider.class).to(DocumentBuilderFactory.class).in(PerThread.class);
        bindFactory(SaxParserFactoryInjectionProvider.class).to(SAXParserFactory.class).in(PerThread.class);
        bindFactory(XmlInputFactoryInjectionProvider.class).to(XMLInputFactory.class).in(PerThread.class);
        bindFactory(TransformerFactoryInjectionProvider.class).to(TransformerFactory.class).in(PerThread.class);
    }

    private <T extends MessageBodyReader & MessageBodyWriter> void bindSingletonWorker(Class<T> worker) {
        bind(worker).to(MessageBodyReader.class).to(MessageBodyWriter.class).in(Singleton.class);
    }
}