Here you can find the source of CopyStream(InputStream is, OutputStream os)
public static void CopyStream(InputStream is, OutputStream os)
//package com.java2s; import java.io.InputStream; import java.io.OutputStream; public class Main { public static void CopyStream(InputStream is, OutputStream os) { final int buffer_size = 1024; try {/*from w w w . j a v a2 s. c om*/ byte[] bytes = new byte[buffer_size]; for (;;) { int count = is.read(bytes, 0, buffer_size); if (count == -1) break; os.write(bytes, 0, count); } } catch (Exception ex) { } } }