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import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class app extends HttpServlet
{
@WebFilter(urlPatterns = "*.jsp")
public static class jsp_filter implements Filter
{
@Override
public void init(FilterConfig filterConfig) { }
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException
{
((HttpServletResponse) response).addHeader("X-JSP-Filter", "1");
chain.doFilter(request, response);
}
@Override
public void destroy() { }
}
@WebFilter(urlPatterns = "*.txt")
public static class txt_filter implements Filter
{
@Override
public void init(FilterConfig filterConfig) { }
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException
{
((HttpServletResponse) response).addHeader("X-TXT-Filter", "1");
chain.doFilter(request, response);
}
@Override
public void destroy() { }
}
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
response.addHeader("X-App-Servlet", "1");
response.setContentType("text/plain; charset=utf-8");
PrintWriter out = response.getWriter();
out.println("App Servlet");
}
}
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