org.directwebremoting.servlet.PublicRevalidatingResponse Maven / Gradle / Ivy

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DWR is easy Ajax for Java. It makes it simple to call Java code directly from Javascript. It gets rid of almost all the boilerplate code between the web browser and your Java code. This version 4.0.2 works with Jakarta Servlet 4.0.2.

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package org.directwebremoting.servlet;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.directwebremoting.extend.Handler;

/**
 * @author Mike Wilson
 */
public class PublicRevalidatingResponse implements ResponseHandler
{
    /* (non-Javadoc)
     * @see org.directwebremoting.servlet.ResponseHandler#handle(org.directwebremoting.extend.Handler, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    public void handle(Handler handler, HttpServletRequest request, HttpServletResponse response)
    {
        // Set standard HTTP/1.1 cache headers.
        response.setHeader("Cache-Control", "public, must-revalidate");

        // Set to expire far in the past. Prevents caching at the proxy server
        response.setDateHeader("Expires", 0);
    }
}