77 lines
1.6 KiB
Java
77 lines
1.6 KiB
Java
// BufferedOutputStream.java - A buffered stream
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/* Copyright (C) 1998, 1999 Cygnus Solutions
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package java.io;
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/**
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* @author Tom Tromey <tromey@cygnus.com>
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* @date September 24, 1998
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*/
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/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
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* "The Java Language Specification", ISBN 0-201-63451-1
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* Status: Complete to version 1.1.
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*/
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public class BufferedOutputStream extends FilterOutputStream
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{
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public BufferedOutputStream (OutputStream ox)
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{
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this (ox, 512);
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}
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public BufferedOutputStream (OutputStream ox, int size)
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{
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super (ox);
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buf = new byte[size];
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}
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public synchronized void flush () throws IOException
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{
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out.write(buf, 0, count);
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count = 0;
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out.flush();
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}
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public synchronized void write (int b) throws IOException
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{
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if (count < buf.length)
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buf[count++] = (byte) b;
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else
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{
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out.write(buf, 0, count);
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count = 0;
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out.write(b);
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}
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}
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public synchronized void write (byte[] b, int off, int len)
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throws IOException, NullPointerException, IndexOutOfBoundsException
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{
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// If LEN < 0 then the downstream write will fail for us.
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if (len >= 0 && count + len < buf.length)
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{
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System.arraycopy(b, off, buf, count, len);
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count += len;
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}
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else
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{
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out.write(buf, 0, count);
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count = 0;
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out.write(b, off, len);
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}
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}
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// The buffer.
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protected byte[] buf;
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// Number of valid bytes in BUF.
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protected int count;
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}
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