Hello Bo,
Sunday, June 17, 2001, 10:47:09 PM, you wrote:
BX> "Andrew V. Zhdanov" wrote:
>> Hi, i do study Servlet Specification version 2.3 and i do like very much the
>> HttpSessionListener concept: there (for those who does not know) we can use
>> createSession event and destroySession event for managing session. Naturaly
>> i'd like to create a new instance of MyDocument class on createSession
>> event. But it (MyDocuemnt) needs SessionConfig for getInitParameters - but
>> all that i have in HttpSesionEvent (Servlet API class) is HttpSession.
>> Question is: How could i get ServletConfig from HttpSession or in any other
>> way, but MyDocument does not extends HttpServlet.
>> Could smb help me? Is anybody interested at it?
>> Best Regards.
>> [...]
BX> Hi :-) I suggest you try the following:
BX> public void sessionCreated(HttpSessionEvent e){
BX> ...
BX> HttpSession session=e.getSession();
BX> ServletContext sctx= session.getServletContext();
BX> sctx.getInitParameter(...);
BX> ...
BX> }
That looks very fine, tnx, but there is no
HttpSession.getServletContext() method (or am i blind, pls tell me is
it so?)))). and there is getSessionContext method but is deprecated and
absolutely useless(((
BX> But with the above code, ServletContext.getInitParameter(...) will be
BX> used( Not ServletConfig/GenericServlet.getInitParameter(...) )
BX> [...]
BX> - ServletContext.getInitParameter(...)
BX> I am not sure where I can define it and which tag I can use to define it?
BX> % in TOMCAT_HOME/conf/server.html ? OR in WEB-INF/web.xml ?
BX> % which "tag" I can use?
And from the "following emails" i've got that for
ServletContext.getInitParameter we can use the following to set it
(paramters) in web.xml surely:
<web-app>
.....
<servlet>
....
<!-- that is for ServletConfig.getInitParameter -->
<init-param>
<param-name>db.password</param-name>
<param-value>avalez</param-value>
</init-param>
....
</servlet>
......
<!-- and that is for ServletContext.getInitParameter -->
<context-param>
<param-name>style.xsl</param-name>
<param-value>/style.xsl</param-value>
</context-param>
......
</web-app>
BX> [...]
And so, how could we get any(context or config) Init-Paramters from
HttpSession)))
--
Best regards,
Andrew
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