package com.oyc.mapxtreme.filter;

import java.io.IOException;

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

/**
 * 過濾器,設置字符編碼
 * @author 三峽大學理學院 歐陽超
 *
 */
public class RequestEncodingFilter implements Filter {
	
	private String encoding;

	public void destroy() {
		this.encoding=null;

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		request.setCharacterEncoding(encoding);
		chain.doFilter(request, response);

	}

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

}