encodingfilter.java

java写的blog

/*
 * Created on 2004-10-8
 * Author: Xuefeng, Copyright (C) 2004, Xuefeng.
 */
package org.crystalblog.web.filter;

import javax.servlet.*;

public class EncodingFilter implements Filter {

    protected String encoding = null;

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws java.io.IOException, ServletException
    {
        if(encoding!= null)
            request.setCharacterEncoding(encoding);
        chain.doFilter(request, response);

    }

    public void init(FilterConfig filterConfig) throws ServletException {
        encoding = filterConfig.getInitParameter("encoding");
    }

    public void destroy() {}

}