/* This file is part of VoltDB. * Copyright (C) 2008-2017 VoltDB Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with VoltDB. If not, see <http://www.gnu.org/licenses/>. */ package org.voltdb.modular; import java.util.Arrays; import java.util.IllegalFormatConversionException; import java.util.MissingFormatArgumentException; import java.util.Optional; import java.util.UnknownFormatConversionException; public class ModularException extends RuntimeException { private static final long serialVersionUID = 5551793607542563976L; public ModularException() { } public ModularException(String format, Object...args) { super(format(format, args)); } public ModularException(Throwable cause) { super(cause); } public ModularException(String format, Throwable cause, Object...args) { super(format(format, args), cause); } static protected String format(String format, Object...args) { String formatted = null; try { formatted = String.format(format, args); } catch (MissingFormatArgumentException|IllegalFormatConversionException| UnknownFormatConversionException ignoreThem) { } finally { if (formatted == null) { formatted = "Format: " + format + ", arguments: " + Arrays.toString(args); } } return formatted; } public static Optional<ModularException> isCauseFor(Throwable t) { Optional<ModularException> opt = Optional.empty(); while (t != null && !opt.isPresent()) { if (t instanceof ModularException) { opt = Optional.of((ModularException)t); } t = t.getCause(); } return opt; } }