cascading-protobuf/src/main/java/com/twitter/elephantbird/cascading/protobuf/ProtobufReflectionUtil.java
public static Message parseMessage(Class<Message> klass, InputStream in) {
    Method parseMethod = parseMethodFor(klass);
    return parseMessage(parseMethod, in);
  }
public static Message parseMessage(Class<Message> klass, InputStream in) {
    Method parseMethod = parseMethodFor(klass);
    return parseMessage(parseMethod, in);
  }
Parse the message in a given Message container
@param klass the class containing the message
@param in the input stream
@return the parsed Message