编码习惯--日志

1、详细的日志打印可以帮助更好的排查问题

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@ServiceActivator(inputChannel = "fileChannel")     public void processFile(Message<File> message) throws IOException {         securityUtil.logInAs("system");           File payload = message.getPayload();         logger.info(">>> Processing file: " + payload.getName());           String content = FileUtils.readFileToString(payload, "UTF-8");           SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yy HH:mm:ss");           logger.info("> Processing content: " + content + " at " + formatter.format(new Date()));           ProcessInstance processInstance = processRuntime.start(ProcessPayloadBuilder                 .start()                 .withProcessDefinitionKey("categorizeProcess")                 .withProcessInstanceName("Processing Content: " + content)                 .withVariable("content", content)                 .build());         logger.info(">>> Created Process Instance: " + processInstance);           logger.info(">>> Deleting processed file: " + payload.getName());         payload.delete();       }