Need help reading context.xml in Tomcat's conf directory

[Lenny Wintfeld <le...@cecilrep.com>]

Hi

I'd like to read an element from /Apache Software Foundation/Tomcat 
5.5/conf/context.xml  file from my program.

The element is one of many Parameter elements of the form <Parameter 
name="foo" value="bar"/>
The context.xml is laid out as

<     <Context allowLinking="*true*" disableProxyCaching="*true*" 
cachingAllowed="*false*">
-
       <WatchedResource>WEB-INF/web.xml</WatchedResource>
       <WatchedResource>META-INF/context.xml</WatchedResource>
-
        <Parameter name="*javax.faces.STATE_SAVING_METHOD*" 
value="*client*" override="*false*" /> =
<Parameter name="*com.sun.faces.verifyObjects*" value="*false*" 
override="*false*" />
<Parameter name="*admin_dir_prefix*" value="*/svp/pkg*" 
override="*false*" />
      etc etc

</Context>


I would like to put the code at the start of  the 
MyappnameBindingImpl.java of a (axis1.4 based) web services app.  The 
value to be gotten is the  text of  a partial file path.

I've googled and found various pieces of code of the form

String bar;
HttpServlet servletContext =
                
(HttpServlet)MessageContext.getCurrentContext().getProperty(HTTPConstants.MC_HTTP_SERVLET); 

                bar  = servletContext.getInitParameter( "foo");

But this does not seem to be what's required. The context.xml is not 
part of the web-app servlet directory tree, its in Tomcat's conf directory.

Id appreciate some advice on getting to the "value" in a Parameter 
element given the "name" using a Tomcat?? Axis?? api.

A concrete example, a reference to an example on the web or an 
explanation on how to proceed would help a lot.

Thanks in advance for any help

Lenny Wintfeld





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RE: Need help reading context.xml in Tomcat's conf directory

["Caldarale, Charles R" <Ch...@unisys.com>]

> From: Lenny Wintfeld [mailto:lenny@cecilrep.com] 
> Subject: Need help reading context.xml in Tomcat's conf directory
> 
> The context.xml is not part of the web-app servlet directory tree,
> its in Tomcat's conf directory.

The context.xml file in the conf directory is common to all webapps.
You can put app-specific <Context> elements in a context.xml file in the
META-INF directory of each webapp, if you wish.  Look here for doc on
how to configure parameters:
http://tomcat.apache.org/tomcat-5.5-doc/config/context.html#Context%20Pa
rameters

Note that you may also place the equivalent in the app's WEB-INF/web.xml
if that's more convenient.

Look at the Servlet spec for a description of the APIs to use to
retrieve them at run time.

 - Chuck


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