From 2c8fa3e41833efd5f102582f3528212b70fe28bf Mon Sep 17 00:00:00 2001 From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?= Date: Sat, 5 Apr 2008 21:04:28 +0000 Subject: [PATCH] add improved stream copier git-svn-id: http://trooper/svn/projects/jSite/trunk@615 c3eda9e8-030b-0410-8277-bc7414b0a119 --- src/net/pterodactylus/util/io/StreamCopier.java | 152 ------------------------ 1 file changed, 152 deletions(-) delete mode 100644 src/net/pterodactylus/util/io/StreamCopier.java diff --git a/src/net/pterodactylus/util/io/StreamCopier.java b/src/net/pterodactylus/util/io/StreamCopier.java deleted file mode 100644 index 1d898aa..0000000 --- a/src/net/pterodactylus/util/io/StreamCopier.java +++ /dev/null @@ -1,152 +0,0 @@ -/* - * This program 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 2 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, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -package net.pterodactylus.util.io; - -import java.io.EOFException; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; - -/** - * Copies input from an {@link InputStream} to an {@link OutputStream}. - * - * @author David Roden - * @version $Id$ - */ -public class StreamCopier { - - /** - * The default size of the buffer. - */ - private static final int BUFFER_SIZE = 64 * 1024; - - /** - * The {@link InputStream} to read from. - */ - private InputStream inputStream; - - /** - * The {@link OutputStream} to write to. - */ - private OutputStream outputStream; - - /** - * The number of bytes to copy. - */ - private long length; - - /** - * The size of the buffer. - */ - private int bufferSize; - - /** - * Creates a new StreamCopier with the specified parameters and the default - * buffer size. - * - * @param inputStream - * The {@link InputStream} to read from - * @param outputStream - * The {@link OutputStream} to write to - * @param length - * The number of bytes to copy - */ - public StreamCopier(InputStream inputStream, OutputStream outputStream, long length) { - this(inputStream, outputStream, length, BUFFER_SIZE); - } - - /** - * Creates a new StreamCopier with the specified parameters and the default - * buffer size. - * - * @param inputStream - * The {@link InputStream} to read from - * @param outputStream - * The {@link OutputStream} to write to - * @param length - * The number of bytes to copy - * @param bufferSize - * The number of bytes to copy at a time - */ - public StreamCopier(InputStream inputStream, OutputStream outputStream, long length, int bufferSize) { - this.inputStream = inputStream; - this.outputStream = outputStream; - this.length = length; - this.bufferSize = bufferSize; - } - - /** - * Copies the stream data. If the input stream is depleted before the - * requested number of bytes have been read an {@link EOFException} is - * thrown. - * - * @throws EOFException - * if the input stream is depleted before the requested number - * of bytes has been read - * @throws IOException - * if an I/O error occurs - */ - public void copy() throws EOFException, IOException { - copy(inputStream, outputStream, length, bufferSize); - } - - /** - * Copies length bytes from the inputStream to - * the outputStream. - * - * @param inputStream - * The input stream to read from - * @param outputStream - * The output stream to write to - * @param length - * The number of bytes to copy - * @throws IOException - * if an I/O exception occurs - */ - public static void copy(InputStream inputStream, OutputStream outputStream, long length) throws IOException { - copy(inputStream, outputStream, length, BUFFER_SIZE); - } - - /** - * Copies length bytes from the inputStream to - * the outputStream using a buffer with the specified size - * - * @param inputStream - * The input stream to read from - * @param outputStream - * The output stream to write to - * @param length - * The number of bytes to copy - * @param bufferSize - * The size of the copy buffer - * @throws IOException - * if an I/O exception occurs - */ - public static void copy(InputStream inputStream, OutputStream outputStream, long length, int bufferSize) throws IOException { - long remaining = length; - byte[] buffer = new byte[bufferSize]; - while (remaining > 0) { - int read = inputStream.read(buffer, 0, (int) Math.min(Integer.MAX_VALUE, Math.min(bufferSize, remaining))); - if (read == -1) { - throw new EOFException(); - } - outputStream.write(buffer, 0, read); - remaining -= read; - } - } - -} -- 2.7.4