Spring Integration - Filter - Send messages to a different end point
问题 My input is a csv file as given below: USER_ID, USER_NAME, FREQUENCY, FREQUENCY_DETAIL A123, AAA, ANNUALLY, 1-JUN B123, BBB, INVALID_FREQUENCY, 21-JUN C123, CCC, ANNUALLY, APR D123, DDD, WEEKLY, 1-DEC Validations: USER_ID -> alphanumeric USERNAME -> alphabets only FREQUENCY -> must be one of DAILY, WEEKLY, MONTHLY , ANNUALLY FREQUENCY DETAIL -> Pattern \\d{1,2}-\\w{3} My Bean is as follows: class UserBean { String userID; String userName; String frequency; String frequencyDetail; String