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| 25. 26. 1. Servlet日志过滤器 |
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import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class MyServlet implements Filter {
FilterConfig config;
public void init(FilterConfig config){
}
public void setFilterConfig(FilterConfig config) {
this.config = config;
}
public FilterConfig getFilterConfig() {
return config;
}
public void doFilter(ServletRequest req,
ServletResponse res,
FilterChain chain) {
// ServletContext context = getFilterConfig().getServletContext();
// long bef = System.currentTimeMillis();
//chain.doFilter(req, res); // no chain parameter needed here
// long aft = System.currentTimeMillis();
//context.log("Request to " + req.getRequestURI() + ": " +(aft-bef));
System.out.println("logging");
}
public void destroy(){}
}
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<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<filter>
<filter-name>
log
</filter-name>
<filter-class>
MyServlet
</filter-class>
</filter>
<filter-mapping>
<filter-name>log</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
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 Download: ServletLogFilter.zip( 1,066 k) |
| 25. 26. 日志 | | 25. 26. 1. | Servlet日志过滤器 | | | | 25. 26. 2. | Servlet语境转换 | | |
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