http代理工作原理（2）(三)
int b = -1;
ByteArrayOutputStream bos = new ByteArrayOutputStream(2048);
while((b = stream.read()) != -1)
{
if(b == '\n')
{
bos.write(b);
break;
}
bos.write(b);
}
return bos.toByteArray();
}
private static void copy(InputStream inputStream, OutputStream outputStream, int bufferSize) throws IOException
{
int length = 0;
byte[] buffer = new byte[bufferSize];
while((length = inputStream.read(buffer, 0, bufferSize)) > -1)
{
outputStream.write(buffer, 0, length);
}
outputStream.flush();
}
}