@Override
	protected void handleMessageInternal(Message<?> message) throws Exception {
		doWrite(message);
	}
Spring Integration {@code MessageHandler} handling {@code Message} writing into hdfs using {@code HdfsWriter}.

@author Mark Pollack
@author Mark Fisher
spring-xd-hadoop/src/main/java/org/springframework/xd/integration/hadoop/outbound/HdfsWritingMessageHandler.java