/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2012 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:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
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 */

package org.glassfish.jersey.client;

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

import javax.ws.rs.ConstrainedTo;
import javax.ws.rs.RuntimeType;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;

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

import org.glassfish.jersey.internal.PropertiesDelegate;
import org.glassfish.jersey.internal.util.ReflectionHelper;
import org.glassfish.jersey.message.MessageBodyWorkers;

/**
 * {@link javax.ws.rs.ext.MessageBodyWriter} for {@link ChunkedInput}.
 *
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
@ConstrainedTo(RuntimeType.CLIENT)
class ChunkedInputReader implements MessageBodyReader<ChunkedInput> {

    @Inject
    private Provider<MessageBodyWorkers> messageBodyWorkers;
    @Inject
    private Provider<PropertiesDelegate> propertiesDelegateProvider;

    @Override
    public boolean isReadable(Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType) {
        return aClass.equals(ChunkedInput.class);
    }

    @Override
    public ChunkedInput readFrom(Class<ChunkedInput> chunkedInputClass,
                                   Type type,
                                   Annotation[] annotations,
                                   MediaType mediaType,
                                   MultivaluedMap<String, String> headers,
                                   InputStream inputStream) throws IOException, WebApplicationException {

        final Type chunkType = ReflectionHelper.getTypeArgument(type, 0);

        return new ChunkedInput(
                chunkType,
                inputStream,
                annotations,
                mediaType,
                headers,
                messageBodyWorkers.get(),
                propertiesDelegateProvider.get());
    }
}
