Here you can find the source of copyLarge(InputStream input, OutputStream output)
InputStream
to an OutputStream
.
Parameter | Description |
---|---|
input | the <code>InputStream</code> to read from |
output | the <code>OutputStream</code> to write to |
Parameter | Description |
---|---|
NullPointerException | if the input or output is null |
IOException | if an I/O error occurs |
public static long copyLarge(InputStream input, OutputStream output) throws IOException
//package com.java2s; /* //from www. j a v a2 s .c o m * SQLFileutils.java * * Copyright (C) 2011 * * This file is part of Proyecto persistenceGeo * * This software 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 software 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * As a special exception, if you link this library with other files to * produce an executable, this library does not by itself cause the * resulting executable to be covered by the GNU General Public License. * This exception does not however invalidate any other reasons why the * executable file might be covered by the GNU General Public License. * * Authors:: Alejandro D?az Torres (mailto:adiaz@emergya.com) */ import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { /** * The default buffer size to use. */ private static final int DEFAULT_BUFFER_SIZE = 1024 * 4; /** * Copy bytes from a large (over 2GB) <code>InputStream</code> to an * <code>OutputStream</code>. * <p> * This method buffers the input internally, so there is no need to use a * <code>BufferedInputStream</code>. * * @param input * the <code>InputStream</code> to read from * @param output * the <code>OutputStream</code> to write to * @return the number of bytes copied * @throws NullPointerException * if the input or output is null * @throws IOException * if an I/O error occurs * @since Commons IO 1.3 */ public static long copyLarge(InputStream input, OutputStream output) throws IOException { byte[] buffer = new byte[DEFAULT_BUFFER_SIZE]; long count = 0; int n = 0; while (-1 != (n = input.read(buffer))) { output.write(buffer, 0, n); count += n; } return count; } }