CustomExceptionHandler.java

package pwc.taxtech.atms.common.exception;

import com.alibaba.fastjson.JSON;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import pwc.taxtech.atms.common.ServiceException;
import pwc.taxtech.atms.dto.ApiResultDto;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@ControllerAdvice
public class CustomExceptionHandler {

    private static final Logger logger = LoggerFactory.getLogger(CustomExceptionHandler.class);

    @ExceptionHandler(value = Throwable.class)
    public ApiResultDto handle(HttpServletResponse response) {
        return ApiResultDto.fail("error.");
    }

    @ExceptionHandler(value = ServiceException.class)
    public void customHandle(ServiceException exception, HttpServletResponse response) {
        try {
            response.setCharacterEncoding("UTF-8");
            response.setContentType("application/json; charset=UTF-8");
            response.getWriter().write(JSON.toJSONString(ApiResultDto.fail(exception.getMessage())));
        } catch (IOException e) {
            logger.error("customHandle error.", e);
        }
    }
}