encodingfilter.java

来自「EJB+Struts+Webservice实现的开放式基金管理系统」· Java 代码 · 共 63 行

package com.fund;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.Filter;
import javax.servlet.FilterConfig;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

/**
 *
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class EncodingFilter implements Filter {
    /**FilterConfig*/
    private FilterConfig filterConfig;
    /**encoding*/
    private String targetEncoding = "gb2312";

    /**
     * constructor
     */
    public void destroy() {
        this.filterConfig = null;
    }

    /**
     *
     * @param request ServletRequest
     * @param response ServletResponse
     * @param chain FilterChain
     * @throws IOException e
     * @throws ServletException e
     */
    public void doFilter(ServletRequest request, ServletResponse response,
                         FilterChain chain) throws IOException,
            ServletException {
        HttpServletRequest hreq = (HttpServletRequest) request;
        hreq.setCharacterEncoding(targetEncoding);
        chain.doFilter(request, response);
    }

    /**
     *
     * @param filterConfig FilterConfig
     * @throws ServletException e
     */
    public void init(FilterConfig filterConfig) throws ServletException {
        this.filterConfig = filterConfig;
    }
}