Here you can find the source of copyStream(InputStream inStream, OutputStream outStream)
private static void copyStream(InputStream inStream, OutputStream outStream) throws IOException
//package com.java2s; /*/*from w ww . j av a 2 s .co m*/ * Copyright (C) 2004 Sun Microsystems, Inc. All rights reserved. Use is * subject to license terms. * * This program is free software; you can redistribute it and/or modify * it under the terms of the Lesser 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. */ import java.io.InputStream; import java.io.OutputStream; import java.io.IOException; public class Main { private static void copyStream(InputStream inStream, OutputStream outStream) throws IOException { int readbytes = 0; try { do { byte[] buffer = new byte[512]; readbytes = inStream.read(buffer, 0, 512); if (readbytes <= 0) { break; } outStream.write(buffer, 0, readbytes); outStream.flush(); } while (true); } catch (IOException ioE) { ioE.printStackTrace(); } finally { if (inStream != null) { inStream.close(); } if (outStream != null) { outStream.close(); } } } }