<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content="text/html; charset=gb2312" http-equiv=Content-Type>
<META content="MSHTML 5.00.3315.2870" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT size=2>byte[] buf = new byte[length];<BR>new
DataInputStream(inputStream).readFully(buf);<BR>InputStream in = new
ByteArrayInputStream(buf);</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>I've read the faq,and how can I calculate the
length?<BR></DIV><FONT size=2></FONT></FONT>
<DIV><FONT size=2><FONT size=2><BR> </DIV></FONT></FONT></BODY></HTML>