public static Message DecompressMessage(Message toDecompress, out CompressionMessageHeader compressionHeader)
{
compressionHeader = null;
int index =
toDecompress.Headers.FindHeader(WSCompressionStrings.Compression,
WSCompressionStrings.NamespaceUri);
if (index == -1)
return toDecompress;
using (XmlReader reader = toDecompress.Headers.GetReaderAtHeader(index))
{
compressionHeader = CompressionMessageHeader.ReadFrom(reader);
}
toDecompress.Headers.RemoveAll(WSCompressionStrings.Compression,
WSCompressionStrings.NamespaceUri);
string newMessageXml = DecompressMessageBody(toDecompress, compressionHeader);
//Do not close the toDecompress message here, the framework manages its lifecycle.
return CopyMessageAndReplaceContent(toDecompress, newMessageXml);
}
private static string DecompressMessageBody(Message toDecompress,
CompressionMessageHeader compressionHeader)
{
byte[] compressedData = ReadCompressedBody(toDecompress);
byte[] data =
DataCompressor.Decompress(compressedData, compressionHeader.Algorithm, compressionHeader.Level);
return Encoding.UTF8.GetString(data);
}