com.haoxuer.discover.user.utils.Exceptions Maven / Gradle / Ivy
package com.haoxuer.discover.user.utils;
import java.io.PrintWriter;
import java.io.StringWriter;
/**
* 关于异常的工具类.
*
* @author calvin
*/
public class Exceptions {
/**
* 将CheckedException转换为UncheckedException.
*/
public static RuntimeException unchecked(Exception e) {
if (e instanceof RuntimeException) {
return (RuntimeException) e;
} else {
return new RuntimeException(e);
}
}
/**
* 将ErrorStack转化为String.
*/
public static String getStackTraceAsString(Exception e) {
StringWriter stringWriter = new StringWriter();
e.printStackTrace(new PrintWriter(stringWriter));
return stringWriter.toString();
}
/**
* 判断异常是否由某些底层的异常引起.
*/
public static boolean isCausedBy(Exception ex, Class... causeExceptionClasses) {
Throwable cause = ex;
while (cause != null) {
for (Class causeClass : causeExceptionClasses) {
if (causeClass.isInstance(cause)) {
return true;
}
}
cause = cause.getCause();
}
return false;
}
}