/** * 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.drill.common; /** * Provides functionality comparable to Guava's Closeables for AutoCloseables. */ public class DrillAutoCloseables { /** * Constructor. Prevents construction for class of static utilities. */ private DrillAutoCloseables() { } /** * close() an {@see java.lang.AutoCloseable} without throwing a (checked) * {@see java.lang.Exception}. This wraps the close() call with a * try-catch that will rethrow an Exception wrapped with a * {@see java.lang.RuntimeException}, providing a way to call close() * without having to do the try-catch everywhere or propagate the Exception. * * @param closeable the AutoCloseable to close; may be null * @throws RuntimeException if an Exception occurs; the Exception is * wrapped by the RuntimeException */ public static void closeNoChecked(final AutoCloseable autoCloseable) { if (autoCloseable != null) { try { autoCloseable.close(); } catch(final Exception e) { throw new RuntimeException("Exception while closing", e); } } } }