cascading-protobuf/src/main/java/com/twitter/elephantbird/cascading/protobuf/ProtobufReflectionUtil.java
public static Message parseMessage(Method parseMethod, InputStream in) {
    try {
      return (Message) parseMethod.invoke(null, in);
    } catch (IllegalArgumentException e) {
      throw new RuntimeException(e);
    } catch (IllegalAccessException e) {
      throw new RuntimeException(e);
    } catch (InvocationTargetException e) {
      throw new RuntimeException(e);
    }
  }
public static Message parseMessage(Method parseMethod, InputStream in) {
    try {
      return (Message) parseMethod.invoke(null, in);
    } catch (IllegalArgumentException e) {
      throw new RuntimeException(e);
    } catch (IllegalAccessException e) {
      throw new RuntimeException(e);
    } catch (InvocationTargetException e) {
      throw new RuntimeException(e);
    }
  }
Parse the message in a given InputStream using scpecified Method
@param parseMethod the method used for parsing
@param in the input stream
@return the parsed message