Author: bombe
Date: 2007-10-29 11:26:45 +0000 (Mon, 29 Oct 2007)
New Revision: 15641
Removed:
trunk/freenet/src/freenet/support/io/StreamCopier.java
Log:
delete stream copier
Deleted: trunk/freenet/src/freenet/support/io/StreamCopier.java
===================================================================
--- trunk/freenet/src/freenet/support/io/StreamCopier.java 2007-10-29
10:35:05 UTC (rev 15640)
+++ trunk/freenet/src/freenet/support/io/StreamCopier.java 2007-10-29
11:26:45 UTC (rev 15641)
@@ -1,123 +0,0 @@
-/*
- * freenet - StreamCopier.java Copyright ? 2007 David Roden
- *
- * 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 freenet.support.io;
-
-import java.io.EOFException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-/**
- * Helper class that copies bytes from an {@link InputStream} to an
- * {@link OutputStream}.
- *
- * @author David ‘Roden’ <bombe at freenetproject.org>
- * @version $Id$
- */
-public class StreamCopier {
-
- /** Default buffer size is 64k. */
- private static final int DEFAULT_BUFFER_SIZE = 1 << 16;
-
- /** The current buffer size. */
- private static int bufferSize = DEFAULT_BUFFER_SIZE;
-
- /**
- * Sets the buffer size for following transfers.
- *
- * @param bufferSize
- * The new buffer size
- */
- public static void setBufferSize(int bufferSize) {
- StreamCopier.bufferSize = bufferSize;
- }
-
- /**
- * Copies <code>length</code> bytes from the source input stream to the
- * destination output stream. If <code>length</code> is <code>-1</code>
- * as much bytes as possible will be copied (i.e. until
- * {@link InputStream#read()} returns <code>-1</code> to signal the end
of
- * the stream).
- *
- * @param source
- * The input stream to read from
- * @param destination
- * The output stream to write to
- * @param length
- * The number of bytes to copy
- * @throws IOException
- * if an I/O error occurs
- */
- public static void copy(InputStream source, OutputStream destination,
long length) throws IOException {
- long remaining = length;
- byte[] buffer = new byte[bufferSize];
- int read = 0;
- while ((remaining == -1) || (remaining > 0)) {
- read = source.read(buffer, 0, ((remaining > bufferSize)
|| (remaining == -1)) ? bufferSize : (int) remaining);
- if (read == -1) {
- if (length == -1) {
- return;
- }
- throw new EOFException("stream reached eof");
- }
- destination.write(buffer, 0, read);
- remaining -= read;
- }
- }
-
- /**
- * Copies as much bytes as possible (i.e. until {@link
InputStream#read()}
- * returns <code>-1</code>) from the source input stream to the
- * destination output stream.
- *
- * @param source
- * The input stream to read from
- * @param destination
- * The output stream to write to
- * @throws IOException
- * if an I/O error occurs
- */
- public static void copy(InputStream source, OutputStream destination)
throws IOException {
- copy(source, destination, -1);
- }
-
- /**
- * Find the length of an input stream. This method will consume the
complete
- * input stream until its {@link InputStream#read(byte[])} method
returns
- * <code>-1</code>, thus signaling the end of the stream.
- *
- * @param source
- * The input stream to find the length of
- * @return The number of bytes that can be read from the stream
- * @throws IOException
- * if an I/O error occurs
- */
- public static long findLength(InputStream source) throws IOException {
- long length = 0;
- byte[] buffer = new byte[bufferSize];
- int read = 0;
- while (read > -1) {
- read = source.read(buffer);
- if (read != -1) {
- length += read;
- }
- }
- return length;
- }
-
-}
