/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.lucene.util; /** * Sneaky: rethrowing checked exceptions as unchecked * ones. Eh, it is sometimes useful... * * <p>Pulled from <a href="http://www.javapuzzlers.com">Java Puzzlers</a>.</p> * @see <a href="http://www.amazon.com/Java-Puzzlers-Traps-Pitfalls-Corner/dp/032133678X">http://www.amazon.com/Java-Puzzlers-Traps-Pitfalls-Corner/dp/032133678X</a> */ public final class Rethrow { private Rethrow() {} /** * Rethrows <code>t</code> (identical object). */ public static void rethrow(Throwable t) { Rethrow.<Error>rethrow0(t); } @SuppressWarnings("unchecked") private static <T extends Throwable> void rethrow0(Throwable t) throws T { throw (T) t; } }