谢茂盛
authored
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package com.canrd.webmagic.common.utils;
import com.canrd.webmagic.common.exception.BusinessException;
import javax.validation.ConstraintViolationException;
import java.io.PrintWriter;
import java.io.StringWriter;
/**
* 异常工具 2019-01-06
*/
public class ThrowableUtil {
/**
* 获取堆栈信息
*/
public static String getStackTrace(Throwable throwable) {
StringWriter sw = new StringWriter();
try (PrintWriter pw = new PrintWriter(sw)) {
throwable.printStackTrace(pw);
return sw.toString();
}
}
public static void throwForeignKeyException(Throwable e, String msg) {
Throwable t = e.getCause();
while ((t != null) && !(t instanceof ConstraintViolationException)) {
t = t.getCause();
}
if (t != null) {
throw new BusinessException(msg);
}
assert false;
throw new BusinessException("删除失败:" + t.getMessage());
}
}
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