org.jboss.capedwarf.connect.io.GzipContentProducer.java Source code

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Here is the source code for org.jboss.capedwarf.connect.io.GzipContentProducer.java

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2011, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.capedwarf.connect.io;

import org.apache.http.entity.ContentProducer;
import org.jboss.capedwarf.common.serialization.GzipOptionalSerializator;

import java.io.IOException;
import java.io.OutputStream;
import java.util.zip.GZIPOutputStream;

/**
 * GZIP Content producer.
 *
 * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
 */
public abstract class GzipContentProducer implements ContentProducer {
    public void writeTo(OutputStream outstream) throws IOException {
        if (GzipOptionalSerializator.isGzipEnabled()) {
            GZIPOutputStream gzip = new GZIPOutputStream(outstream);
            doWriteTo(gzip);
            gzip.finish();
        } else {
            doWriteTo(outstream);
        }
    }

    protected abstract void doWriteTo(OutputStream outstream) throws IOException;
}