Gets data from a pre-existing session for a given server host and port.
@param host from {@link javax.net.ssl.SSLSession#getPeerHost()}
@param port from {@link javax.net.ssl.SSLSession#getPeerPort()}
@return the session data or null if none is cached
@throws NullPointerException if host is null
Gets data from a pre-existing session for a given server host and port.
@param host from {@link javax.net.ssl.SSLSession#getPeerHost()} @param port from {@link javax.net.ssl.SSLSession#getPeerPort()} @return the session data or null if none is cached @throws NullPointerException if host is null