Here you can find the source of closeAll(Collection
Parameter | Description |
---|---|
closeables | the closeables to close |
T | the type of closeable |
Parameter | Description |
---|---|
IOException | an exception |
public static <T extends AutoCloseable> void closeAll(Collection<T> closeables) throws IOException
//package com.java2s; /*// w w w . jav a 2 s. c om * Copyright (c) 2002-2016 "Neo Technology," * Network Engine for Objects in Lund AB [http://neotechnology.com] * * This file is part of Neo4j. * * Neo4j 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. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.io.IOException; import java.util.Collection; public class Main { /** * Closes given {@link Collection collection} of {@link AutoCloseable closeables}. * * @param closeables the closeables to close * @param <T> the type of closeable * @throws IOException * @see #closeAll(AutoCloseable[]) */ public static <T extends AutoCloseable> void closeAll(Collection<T> closeables) throws IOException { closeAll(closeables.toArray(new AutoCloseable[closeables.size()])); } /** * Closes given array of {@link AutoCloseable closeables}. If any {@link AutoCloseable#close()} call throws * {@link IOException} than it will be rethrown to the caller after calling {@link AutoCloseable#close()} * on other given resources. If more than one {@link AutoCloseable#close()} throw than resulting exception will * have suppressed exceptions. See {@link Exception#addSuppressed(Throwable)} * * @param closeables the closeables to close * @param <T> the type of closeable * @throws IOException */ @SafeVarargs public static <T extends AutoCloseable> void closeAll(T... closeables) throws IOException { Exception closeException = null; for (T closeable : closeables) { if (closeable != null) { try { closeable.close(); } catch (Exception e) { if (closeException == null) { closeException = e; } else { closeException.addSuppressed(e); } } } } if (closeException != null) { throw new IOException("Exception closing multiple resources", closeException); } } }