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 * 
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 *     following disclaimer. 
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 *     copyright notice, this list of conditions and the 
 *     following disclaimer in the documentation and/or other 
 *     materials provided with the distribution. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
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 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
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using System.IO;
using System.IO.Compression;

namespace XenCenterLib.Compression
{
    /// <summary>
    /// A class that can compress a gzip data stream type
    /// </summary>
    class GZipOutputStream : CompressionStream
    {
        /// <summary>
        /// Parameterless constructor needed by tests
        /// </summary>
        public GZipOutputStream()
        {
        }

        public GZipOutputStream(Stream outputStream)
        {
            zipStream = new GZipStream(outputStream, CompressionMode.Compress);
        }

        public override void SetBaseStream(Stream outputStream)
        {
            zipStream = new GZipStream(outputStream, CompressionMode.Compress);
        }
    }

    /// <summary>
    /// A class that can decompress a gzip data stream type
    /// </summary>
    class GZipInputStream : CompressionStream
    {
        /// <summary>
        /// Parameterless constructor needed by tests
        /// </summary>
        public GZipInputStream()
        {
        }

        public GZipInputStream(Stream inputStream)
        {
            zipStream = new GZipStream(inputStream, CompressionMode.Decompress);
        }

        public override void SetBaseStream(Stream inputStream)
        {
            zipStream = new GZipStream(inputStream, CompressionMode.Decompress);
        }

    }
}