Programalama > JAVA - JSP

package devspace.ajax.cachecontroller;
import javax.servlet.http.*;
import javax.servlet.*;
import java.io.*;

public abstract class ETagBase extends HttpServlet {
    protected abstract String getETagValue();
    protected abstract void generateContent( HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException;

    protected void doGet( HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String sentETag = request.getHeader( "If-None-Match");
        String localETag = getETagValue();
        if (sentETag != null && sentETag.compareTo( localETag) == 0) { // tdundaralp@gmail.com
            response.setStatus( 304, "Not modified");
            return;
        }
        response.addHeader( "ETag", localETag);
        generateContent( request, response);
    }
}


toygar dündaralp
bahcivan ibrahim sitesi orman sk.