org.mmbase.servlet
Class servjumpers

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.mmbase.servlet.MMBaseServlet
              org.mmbase.servlet.JamesServlet
                  org.mmbase.servlet.servjumpers

All Implemented Interfaces:

org.mmbase.servlet.MMBaseStarter, java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class servjumpers

extends JamesServlet

Servjumpers filters all url's to see if it has a jumper (specified in the jumpers builder). If a jumper is found, it will redirect the jumper to the designation url.

Version:

$Id: servjumpers.java,v 1.18 2004/03/03 15:18:32 michiel Exp $

Author:

Daniel Ockeloen

See Also:

JumpersFilter, Serialized Form

Warning: Will be renamed to:

Servjumpers

Field Summary

Fields inherited from class org.mmbase.servlet.JamesServlet

pageLog

Fields inherited from class org.mmbase.servlet.MMBaseServlet

mmbase

Constructor Summary

servjumpers()

Method Summary

protected java.lang.String	getUrl(java.lang.String key) Retrieve an alternate url based on a jumper key.
void	init() Initializes the servlet.
void	service(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res) Service call for filtering.

Methods inherited from class org.mmbase.servlet.JamesServlet

getAddress, getAuthorization, getAuthorization, getCookie, getInitParameters, getModule, getParam, getParamVector, getProperties, getProperty

Methods inherited from class org.mmbase.servlet.MMBaseServlet

associateMapping, decRefCount, destroy, doGet, getAssociations, getMMBase, getRequestURL, getServletByAssociation, getServletByMapping, getServletInfo, getServletMappings, getServletMappingsByAssociation, incRefCount, setInitException, setMMBase

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Constructor Detail

servjumpers

public servjumpers()

Method Detail

init

public void init()
          throws javax.servlet.ServletException

Description copied from class: JamesServlet

Initializes the servlet.

Overrides:

init in class JamesServlet

Throws:

javax.servlet.ServletException

service

public void service(javax.servlet.http.HttpServletRequest req,
                    javax.servlet.http.HttpServletResponse res)
             throws javax.servlet.ServletException,
                    java.io.IOException

Service call for filtering. Will be called by the server when a request is done by a user. Determines an url based on a jumper key, provided the original url (reclaimed from the request) is NOT a directory root and NOT a fully specified file.
So '/mypath/' or '/myfile.html' will not be filtered, but '/mypath' will.

Overrides:

service in class MMBaseServlet

Parameters:

req - The HTTP Servlet request

res - The HTTP Servlet response

Throws:

javax.servlet.ServletException

java.io.IOException

getUrl

protected java.lang.String getUrl(java.lang.String key)

Retrieve an alternate url based on a jumper key.

Parameters:

key - the jumper key (original url specified)

Returns:

the alternate yurl, or null if no url was found.