Java tutorial
/* * Copyright 2015, 2016 Ether.Camp Inc. (US) * This file is part of Ethereum Harmony. * * Ethereum Harmony is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Ethereum Harmony is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Ethereum Harmony. If not, see <http://www.gnu.org/licenses/>. */ package com.ethercamp.harmony.desktop; import org.springframework.beans.BeansException; import org.springframework.boot.context.embedded.EmbeddedServletContainerException; import org.springframework.context.ApplicationContextException; import java.util.Arrays; import java.util.List; /** * Created by Stan Reshetnyk on 07.03.17. */ public class DesktopUtil { /** * Find initial exception by visiting */ public static Throwable findCauseFromSpringException(Throwable e) { final List<Class<? extends Exception>> skipList = Arrays.asList(BeansException.class, EmbeddedServletContainerException.class, ApplicationContextException.class); for (int i = 0; i < 50; i++) { final Throwable inner = e; final boolean isSkipped = skipList.stream().anyMatch(c -> c.isAssignableFrom(inner.getClass())); if (isSkipped) { e = e.getCause(); } else { return e; } } return e; } }