encodingfilter.java

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/*
 * Created on 2005-10-15 
 * Author 曹汕
 * Version 1.0 Copyright by CS.SSPKU Inc. All rights reserved.
 */
package com.struts.utils;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {
	FilterConfig config;

	public void init(FilterConfig parm1) throws javax.servlet.ServletException {
		this.config = parm1;
	}
	/**
	 * 编码转化
	 */
	public void doFilter(ServletRequest req, ServletResponse res,
			FilterChain chain) throws java.io.IOException,
			javax.servlet.ServletException {
		if (req.getCharacterEncoding() == null
				|| !req.getCharacterEncoding().equals("GB2312")) {
			req.setCharacterEncoding("GB2312");
		}
		chain.doFilter(req, res);
	}

	public void destroy() {
		this.config = null;
	}
}