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Jersey core server implementation

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/*
 * Copyright (c) 2012, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.jersey.server;

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

import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyWriter;

/**
 * Used for writing {@link ChunkedOutput}.
 *
 * @author Pavel Bucek (pavel.bucek at oracle.com)
 * @see MessageBodyWriter
 */
public final class ChunkedResponseWriter implements MessageBodyWriter> {

    @Override
    public boolean isWriteable(final Class type, final Type genericType, final Annotation[] annotations,
                               final MediaType mediaType) {
        return ChunkedOutput.class.isAssignableFrom(type);
    }

    @Override
    public long getSize(final ChunkedOutput chunkedOutput, final Class type, final Type genericType,
                        final Annotation[] annotations, final MediaType mediaType) {
        return -1;
    }

    @Override
    public void writeTo(final ChunkedOutput chunkedOutput, final Class type, final Type genericType,
                        final Annotation[] annotations, final MediaType mediaType,
                        final MultivaluedMap httpHeaders, final OutputStream entityStream)
            throws IOException, WebApplicationException {
        // do nothing.
    }
}