http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
package org.bouncycastle.crypto.tls;

import java.io.OutputStream;

public class TlsNullCompression implements TlsCompression
{
    public OutputStream compress(OutputStream output)
    {
        return output;
    }

    public OutputStream decompress(OutputStream output)
    {
        return output;
    }
}