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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2012-2014 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
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 *
 * Modifications:
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package org.glassfish.jersey.internal;

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;

import javax.inject.Inject;
import javax.inject.Provider;

import org.glassfish.jersey.message.MessageBodyWorkers;
import org.glassfish.jersey.spi.ContextResolvers;
import org.glassfish.jersey.spi.ExceptionMappers;

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

/**
 * Jersey implementation of JAX-RS {@link javax.ws.rs.ext.Providers} contract.
 *
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
public class JaxrsProviders implements javax.ws.rs.ext.Providers {

    /**
     * Jersey binder registering {@link javax.ws.rs.ext.Providers JAX-RS Providers} injection bindings.
     */
    public static class Binder extends AbstractBinder {

        @Override
        protected void configure() {
            bind(JaxrsProviders.class).to(javax.ws.rs.ext.Providers.class).in(PerLookup.class);
        }
    }

    @Inject
    private Provider workers;
    @Inject
    private Provider resolvers;
    @Inject
    private Provider mappers;

    @Override
    public  MessageBodyReader getMessageBodyReader(Class type, Type genericType, Annotation[] annotations, MediaType mediaType) {
        return workers.get().getMessageBodyReader(type, genericType, annotations, mediaType);
    }

    @Override
    public  MessageBodyWriter getMessageBodyWriter(Class type, Type genericType, Annotation[] annotations, MediaType mediaType) {
        return workers.get().getMessageBodyWriter(type, genericType, annotations, mediaType);
    }

    @Override
    public  ExceptionMapper getExceptionMapper(Class type) {
        // exception mappers are not supported on the client side
        final ExceptionMappers actualMappers = mappers.get();
        return (actualMappers != null) ? actualMappers.find(type) : null;
    }

    @Override
    public  ContextResolver getContextResolver(Class contextType, MediaType mediaType) {
        return resolvers.get().resolve(contextType, mediaType);
    }
}