Java tutorial
//package com.java2s; /* * Copyright (C) 2009 Huan Erdao * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { /** IO BUFFER SIZE = 2M */ private static final int IO_BUFFER_SIZE = 2 * 1024; /** * @param in The input stream to copy from. * @param out The output stream to copy to. * @throws IOException If any error occurs during the copy. */ private static void copyStream(InputStream in, OutputStream out) throws IOException { byte[] b = new byte[IO_BUFFER_SIZE]; int read; while ((read = in.read(b)) != -1) { out.write(b, 0, read); } } }