org.nuiton.rss
Class RSSServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.nuiton.rss.BaseServlet<RSSHelper>
              org.nuiton.rss.RSSServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class RSSServlet
extends BaseServlet<RSSHelper>

Servlet permettant de retourner un feed RSSHelper en une representation HTML. Si la servlet est appele sans parametre alors le code JS permettant d'utiliser cette servlet en Ajax est retourne.

Sinon la servlet peut prendre en parametre:

feedName: le nom du feed souhaite

nbItem: le nombre d'item du feed a retourner

feedRepr: le chaine permettant de connaitre les champs du feed voulu

Utilisation dans une page HTML. Dans le header ajouter

   <script src="url/to/RSSServlet"></script>
 

Dans le corps placer un element div avec un id particulier. Et soit a la fin de la page soit juste apres le div, ajouter le script

 rssinclude('feedName', 'divid', 5, 'n-n');
 

Author:

poussin

See Also:

Serialized Form

Field Summary

protected static String

js Le code JavaScript a utilise dans les pages clientes Provient du fichier rssinclude.js cat rssinclude.js |sed 's/"/\\"/g' |sed -re 's/^(.*)$/"\1\\n" +/'

Fields inherited from class org.nuiton.rss.BaseServlet

delegate, log

Constructor Summary

RSSServlet()

Method Summary

void	doJs(javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpServletRequest request)
void	doRender(javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpServletRequest request, String feedName)
static String	getJs(String url)
protected ConfigInitializer<javax.servlet.ServletConfig,?>	newConfigInitializer()
protected RSSHelper	newDelegate()
protected void	processRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Processes requests for both HTTP GET and POST methods.

Methods inherited from class org.nuiton.rss.BaseServlet

convertToInt, doGet, doPost, getServletInfo, init, init

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletName, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

js

protected static String js

Le code JavaScript a utilise dans les pages clientes

Provient du fichier rssinclude.js cat rssinclude.js |sed 's/"/\\"/g' |sed -re 's/^(.*)$/"\1\\n" +/'

Constructor Detail

RSSServlet

public RSSServlet()

Method Detail

getJs

public static String getJs(String url)

Parameters:

url - current url to add in script

Returns:

the rssinclude script, patched with url

doJs

public void doJs(javax.servlet.http.HttpServletResponse response,
                 javax.servlet.http.HttpServletRequest request)
          throws IOException

Throws:

IOException

doRender

public void doRender(javax.servlet.http.HttpServletResponse response,
                     javax.servlet.http.HttpServletRequest request,
                     String feedName)
              throws IOException

Throws:

IOException

newConfigInitializer

protected ConfigInitializer<javax.servlet.ServletConfig,?> newConfigInitializer()

Specified by:

newConfigInitializer in class BaseServlet<RSSHelper>

Returns:

a new ConfigInitializer to be used in BaseServlet.init(ServletConfig, boolean) method to prepare default config.

newDelegate

protected RSSHelper newDelegate()
                         throws Exception

Specified by:

newDelegate in class BaseServlet<RSSHelper>

Returns:

the new delegate object to be used by servlet

Throws:

Exception - if any problem while instanciation

processRequest

protected void processRequest(javax.servlet.http.HttpServletRequest request,
                              javax.servlet.http.HttpServletResponse response)
                       throws javax.servlet.ServletException,
                              IOException

Processes requests for both HTTP GET and POST methods.

Specified by:

processRequest in class BaseServlet<RSSHelper>

Parameters:

request - servlet request

response - servlet response

Throws:

IOException - TODO

javax.servlet.ServletException - TODO