package com.lunhan.xxx.common.util;
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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/**
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* 异常工具类
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* @author linliu
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* @date 2018-12-28
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*/
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public final class ExceptionUtil {
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private ExceptionUtil() {
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throw new IllegalStateException("Utility class");
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}
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public static String getMsg(Throwable e) {
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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PrintStream pout = new PrintStream(out);
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e.printStackTrace(pout);
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String ret = new String(out.toByteArray());
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pout.close();
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return ret;
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}
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public static String getDetails(Throwable ex) {
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return getMessage(ex, true);
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}
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private static String getMessage(Throwable ex, boolean includeDetail) {
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if (ex != null) {
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StringBuilder builder = new StringBuilder();
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Throwable current = ex;
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do {
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builder.append(ex.getClass().getName());
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if (!StringUtil.isNullOrEmpty(current.getMessage())) {
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builder.append(String.format(" : %s%n", current.getMessage()));
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}
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if (includeDetail) {
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builder.append(getStackTraceInfo(current));
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}
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current = current.getCause();
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} while(current != null);
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return builder.toString();
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} else {
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return "";
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}
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}
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private static String getStackTraceInfo(Throwable ex) {
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StringBuilder sb = new StringBuilder();
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if (ex != null) {
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StackTraceElement[] trace = ex.getStackTrace();
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StackTraceElement[] var6 = trace;
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int var5 = trace.length;
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for(int var4 = 0; var4 < var5; ++var4) {
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StackTraceElement s = var6[var4];
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sb.append(String.format("\tat %s%n", s));
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}
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}
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return sb.toString();
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}
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}
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