package com.moral.monitor.util;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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/**
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* Created by dgw on 2017/4/10.
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*/
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public class Exceptions {
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/**
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* 将CheckedException转换为UncheckedException.
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*/
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public static RuntimeException unchecked(Exception e) {
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if (e instanceof RuntimeException) {
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return (RuntimeException) e;
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} else {
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return new RuntimeException(e);
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}
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}
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/**
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* 将ErrorStack转化为String.
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*/
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public static String getStackTraceAsString(Exception e) {
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StringWriter stringWriter = new StringWriter();
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e.printStackTrace(new PrintWriter(stringWriter));
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return stringWriter.toString();
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}
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/**
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* 判断异常是否由某些底层的异常引起.
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*/
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public static boolean isCausedBy(Exception ex, Class<? extends Exception>... causeExceptionClasses) {
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Throwable cause = ex.getCause();
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while (cause != null) {
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for (Class<? extends Exception> causeClass : causeExceptionClasses) {
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if (causeClass.isInstance(cause)) {
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return true;
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}
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}
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cause = cause.getCause();
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}
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return false;
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}
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}
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