package com.sun.j2ee.workflow.control.filters;import javax.servlet.ServletOutputStream;import javax.servlet.ServletResponse;import javax.servlet.Filter;import javax.servlet.FilterChain;import java.io.DataOutputStream;import java.io.OutputStream;import java.io.IOException;/** * @author Jian (James) Cai */public class FilterServletOutputStream extends ServletOutputStream{    private DataOutputStream stream;        public FilterServletOutputStream(OutputStream output)    {	stream=new DataOutputStream(output);    }    public void write(int b) throws IOException    {	stream.write(b);    }    public void write(byte[] b) throws IOException    {	stream.write(b);    }    public void write(byte[] b, int off, int len) throws IOException    {	stream.write(b, off, len);    }}