filterall.java

来自「好的jsp web blog 源代码」· Java 代码 · 共 53 行

package cn.Blogonline;

import java.io.IOException;
import java.io.PrintWriter;

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.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class FilterAll extends HttpServlet implements Filter {
	private FilterConfig filterConfig;

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub
		this.filterConfig = filterConfig;
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain filterChain) {
		try {
			request.setCharacterEncoding("GBK");
			filterChain.doFilter(request, response);
			request.setCharacterEncoding("GBK");
		} catch (ServletException sx) {
			filterConfig.getServletContext().log(sx.getMessage());
		} catch (IOException iox) {
			filterConfig.getServletContext().log(iox.getMessage());
		}
	}

	/**
	 * Constructor of the object.
	 */
	public FilterAll() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}
}