Here you can find the source of copyStream(InputStream is, OutputStream os)
public static void copyStream(InputStream is, OutputStream os) throws IOException
//package com.java2s; /*//from w ww. j ava 2s .co m * NOTE: This copyright does *not* cover user programs that use HQ * program services by normal system calls through the application * program interfaces provided as part of the Hyperic Plug-in Development * Kit or the Hyperic Client Development Kit - this is merely considered * normal use of the program, and does *not* fall under the heading of * "derived work". * * Copyright (C) [2004, 2005, 2006], Hyperic, Inc. * This file is part of HQ. * * HQ is free software; you can redistribute it and/or modify * it under the terms version 2 of the GNU General Public License as * published by the Free Software Foundation. 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.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { /** Default buffer size for copyStream method */ public static final int BUFSIZ = 2048; /** * Copy a stream, using a buffer */ public static void copyStream(InputStream is, OutputStream os) throws IOException { copyStream(is, os, new byte[BUFSIZ]); } public static void copyStream(InputStream is, OutputStream os, byte[] buf) throws IOException { int bytesRead = 0; while (true) { bytesRead = is.read(buf); if (bytesRead == -1) break; os.write(buf, 0, bytesRead); } } }