Contains the Exception Handling ExceptionInterceptor class and Manages Validation and Exceptions

import com.lh.digital.integration.model.HttpStatusResponse; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.bind.annotation.ExceptionHandler; import javax.annotation.PostConstruct; import javax.validation.ValidationException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; /** * * @author RAVI VARMA YARAkARAJU */ @ControllerAdvice public class ExceptionInterceptor { private final Logger logger = LoggerFactory.getLogger(ExceptionInterceptor.class); /* @Value("${httpStatusResponse}") private Map execeptionMap = new HashMap();*/ //JSR-303 Validation Exceptions @ExceptionHandler(ValidationException.class) public ResponseEntity<HttpStatusResponse> exceptionHandler(ValidationException ex) { logger.info("++++++++++++++++++++ exceptionHandler ++++++++++++++++++++"); //logger.info("++++++++++++++++++++ Size: " + execeptionMap.size() + " ++++++++++++++++++++"); logger.info(" exceptionHandler ValidationException Message: " + ex.getMessage()); StackTraceElement[] stackTrace = ex.getStackTrace(); for (StackTraceElement item : stackTrace) logger.info(item.toString()); return createErrorResponse(400, ex, false, HttpStatus.BAD_REQUEST); } //List of Exceptions we can retry @ExceptionHandler(NullPointerException.class) public ResponseEntity<HttpStatusResponse> exceptionHandler(NullPointerException ex) { logger.info("++++++++++++++++++++ exceptionHandler ++++++++++++++++++++"); //logger.info("++++++++++++++++++++ Size: " + execeptionMap.size() + " ++++++++++++++++++++"); logger.info(" exceptionHandler NullPointerException Message: " + ex.getMessage()); return createErrorResponse(409, ex, true, HttpStatus.CONFLICT); } //Unhandled Fatal Exceptions @ExceptionHandler(Exception.class) public ResponseEntity<HttpStatusResponse> exceptionHandler(Exception ex) { logger.info("++++++++++++++++++++ exceptionHandler ++++++++++++++++++++"); //logger.info("++++++++++++++++++++ Size: " + execeptionMap.size() + " ++++++++++++++++++++"); logger.info(" exceptionHandler Exception Message: " + ex.getMessage()); logger.info(ex.getMessage()); return createErrorResponse(500, ex, false, HttpStatus.EXPECTATION_FAILED); } // Helpers private ResponseEntity<HttpStatusResponse> createErrorResponse(int responseCode, Exception ex, boolean isRetryable, HttpStatus status){ HttpStatusResponse response = new HttpStatusResponse(); response.setMessage(ex.getMessage()); response.setResponseCode(responseCode); response.setRetryable(isRetryable); return new ResponseEntity<>(response, status); } }