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package org.jboss.resteasy.plugins.providers.multipart;

import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

import jakarta.ws.rs.Consumes;
import jakarta.ws.rs.WebApplicationException;
import jakarta.ws.rs.core.Context;
import jakarta.ws.rs.core.MediaType;
import jakarta.ws.rs.core.MultivaluedMap;
import jakarta.ws.rs.ext.MessageBodyReader;
import jakarta.ws.rs.ext.Provider;
import jakarta.ws.rs.ext.Providers;

import org.jboss.resteasy.plugins.providers.multipart.i18n.Messages;

/**
 * The {@link MessageBodyReader} implementation to deserialize
 * {@link MultipartRelatedInput} objects.
 *
 * @author Attila Kiraly
 * @version $Revision: 1 $
 */
@Provider
@Consumes("multipart/related")
public class MultipartRelatedReader implements
        MessageBodyReader {
    protected @Context Providers workers;

    public boolean isReadable(Class type, Type genericType,
            Annotation[] annotations, MediaType mediaType) {
        return type.equals(MultipartRelatedInput.class);
    }

    public MultipartRelatedInput readFrom(Class type,
            Type genericType, Annotation[] annotations, MediaType mediaType,
            MultivaluedMap httpHeaders, InputStream entityStream)
            throws IOException, WebApplicationException {
        String boundary = mediaType.getParameters().get("boundary");
        if (boundary == null)
            throw new IOException(Messages.MESSAGES.unableToGetBoundary());
        MultipartRelatedInputImpl input = new MultipartRelatedInputImpl(
                mediaType, workers);
        input.parse(entityStream);
        return input;
    }
}