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    <p>Write a filter which will check for a cookie having required authorization, if it does not have create a cookie and add it to the response. From next time, look for the cookie and if it has authorization, allow accessing the page.</p> <pre><code>package myweb; </code></pre> <p>import java.io.IOException;</p> <p>import javax.servlet.*; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;</p> <p>/** * @author Ramesh PVK * @version $Revision$, $Date$, $Author$ * @since May 20, 2011 */ public class MyFilter implements Filter {</p> <pre><code>public void init(FilterConfig filterConfig) throws ServletException { } public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException { HttpServletRequest httpRequest = (HttpServletRequest) servletRequest; HttpServletResponse httpResponse = (HttpServletResponse) servletResponse; Cookie[] cookies = httpRequest.getCookies(); Cookie authCooike = getCookieWithName(cookies, "authCookie"); if (authCooike == null) { servletRequest.getRequestDispatcher("/loginPage").forward(servletRequest, servletResponse); } else { if (validateCookie(authCooike)) { filterChain.doFilter(servletRequest, servletResponse); } else { servletRequest.getRequestDispatcher("/loginPage").forward(servletRequest, servletResponse); } } } private boolean validateCookie(Cookie authCooike) { //write logic for validation return true; } private Cookie getCookieWithName(Cookie[] cookies, String s) { for (Cookie cooky : cookies) { if (cooky.getName().equals(s)) { return cooky; } } return null; } public void destroy() { } </code></pre> <p>}</p> <p>Thanks</p>
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    1. POhelp me to creat login form
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    1. USRamesh PVK
    1. USRamesh PVK
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    1. COthanks for ur idea..but am just started to learn about cookie,url rewriting, session..so if possiable give me an example program.
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      1. USkumar r
    2. COits very usefull to me ramesh..thanks..
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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