com.github.hdy.common.exceptions.GlobalExceptionHandler Maven / Gradle / Ivy
package com.github.hdy.common.exceptions;
import com.github.hdy.common.result.Results;
import com.github.hdy.common.util.Logs;
import com.github.hdy.common.util.Strings;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.validation.BindException;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.MissingServletRequestParameterException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
/**
* 全局异常
*
* @author hdy
* @date 2019/6/25
*/
@RestControllerAdvice
public class GlobalExceptionHandler {
@ExceptionHandler(value = Exception.class)
public Results resolveException(Exception e) {
String message = e.toString();
e.printStackTrace();
if (message.lastIndexOf(":") != -1)
message = message.substring(0, message.lastIndexOf(":"));
message = getTraceInfo(e).append(message).toString();
Logs.error("全局异常：{" + message + "}");
String msg = e.getMessage();
int code = 500;
if (e instanceof MissingServletRequestParameterException) {
msg = "参数缺失";
} else if (e instanceof BindException) {
msg = getBindExceptionMsg((BindException) e);
} else if (e instanceof NumberFormatException) {
msg = "格式转换错误";
} else if (e instanceof HttpMessageNotReadableException) {
msg = "参数格式有误";
} else if (e instanceof SQLException) {
msg = "查询异常";
} else if (e instanceof NotLoginException) {
code = 401;
} else if (e instanceof TokenInvalidException) {
code = 403;
} else {
msg = "服务器繁忙";
}
return Results.custom(code, msg, null);
}
@SuppressWarnings("unused")
public static StringBuffer getTraceInfo(Exception e) {
StringBuffer sb = new StringBuffer();
StackTraceElement[] stacks = e.getStackTrace();
for (int i = 0; i < stacks.length; i++) {
sb.append("class: ").append(stacks[i].getClassName()).append("; method: ").append(stacks[i].getMethodName())
.append("; line: ").append(stacks[i].getLineNumber()).append("; Exception: ");
break;
}
return sb;
}
/**
* Valid 验证失败的异常信息
*
* @param e BindException异常信息
* @return
*/
public static String getBindExceptionMsg(BindException e) {
List bindExceptionMsg = new ArrayList<>();
BindingResult result = e.getBindingResult();
if (result.hasErrors()) {
List errors = result.getAllErrors();
errors.forEach(p -> {
FieldError fieldError = (FieldError) p;
bindExceptionMsg.add(fieldError.getDefaultMessage());
});
}
return Strings.toString(bindExceptionMsg);
}
}