debugrequestfilter.java

来自「j2ee应用和开发」· Java 代码 · 共 40 行

package edu.jnestore.util;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class DebugRequestFilter implements Filter {

    private FilterConfig config = null;
    Log bizlog = null;  
    public void init(FilterConfig aConfig) {
        config = aConfig;
        bizlog=LogFactory.getLog("Businesslog");  
    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        Log bizlog=LogFactory.getLog("Businesslog");  
        bizlog.debug("***************** DEBUG REQUEST *****************");
        HttpServletRequest httpRequest = (HttpServletRequest) request;

        bizlog.debug("Requested URI:    " + httpRequest.getRequestURI());
        bizlog.debug("HTTP Type:        " + httpRequest.getMethod());
        bizlog.debug("Current User:     " + httpRequest.getRemoteUser());
        bizlog.debug("Secure:           " + httpRequest.isSecure());
        bizlog.debug("Query String:     " + httpRequest.getQueryString());
        bizlog.debug("Session Created:  " + (httpRequest.getSession(false) != null));
        bizlog.debug("Incoming Cookies: " + ((httpRequest.getCookies() == null) ? 0 : httpRequest.getCookies().length));
        bizlog.debug("ID in Cookie:     " + httpRequest.isRequestedSessionIdFromCookie());

        chain.doFilter(request, response);

        bizlog.debug("****************** END REQUEST ******************");
    }

    public void destroy() {}

}