encodingfilter.java

来自「android4.0网络编程详解」· Java 代码 · 共 38 行

package com.wangjialin.internet.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;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;


@WebFilter("/*")
public class EncodingFilter implements Filter {

	public void destroy() {
		// TODO Auto-generated method stub
	}

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		if("GET".equals(req.getMethod())){
			HttpServletRequestEncodingWrapper wraper = new HttpServletRequestEncodingWrapper(req);
			chain.doFilter(wraper, response);
			
		}else{
			req.setCharacterEncoding("UTF-8");
			chain.doFilter(request, response);
		}
	}

	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}
}