Detecting Tomcat version in Ant

[Matt Raible <ma...@raibledesigns.com>]

Is it possible to detect the version of Tomcat that the user has in 
Ant?  I have the following Ant task:

     <!-- 
=================================================================== -->
     <!--            Setup Tomcat 4.1                                    
      -->
     <!-- 
=================================================================== -->
     <target name="setup-tomcat" if="tomcat.home"
         description="copies jdbc driver and context.xml to tomcat">
         <echo level="info">Copying database JDBC Driver to 
${tomcat.home}/common/lib</echo>
		<copy todir="${tomcat.home}/common/lib" file="${database.jar}"/>

         <echo level="info">Copying ${webapp.name}.xml to 
${tomcat.home}/webapps</echo>
		<copy tofile="${tomcat.home}/webapps/${webapp.name}.xml"
			file="metadata/web/tomcat-context.xml" />

     </target>

Copying the tomcat-context.xml file to 
$CATALINA_HOME/webapps/${webapp.name}.xml will only work on Tomcat 
4.1.x.  For Tomcat 5.0.x, it needs to go in 
$CATALINA_HOME/conf/Catalina/localhost/.  I'd like to auto-detect 
Tomcat 5 and deploy to the appropriate place.  Is there a class I can 
check for or something?

Thanks,

Matt

Re: Detecting Tomcat version in Ant

[Tim Funk <fu...@joedog.org>]

Way 1:
Look at properties file:
org/apache/catalina/util/ServerInfo.properties

Way 2:
Cehck for the existence of a class that you know exists in tomcat5 but not 
tomcat 4.

Use one of the ways above to set a property to let you know the tomcat 
version. I'm not sure which way would be easier at the moment.

-Tim

Matt Raible wrote:

> Is it possible to detect the version of Tomcat that the user has in 
> Ant?  I have the following Ant task:
> 
>     <!-- 
> =================================================================== -->
>     <!--            Setup Tomcat 4.1                                    
>      -->
>     <!-- 
> =================================================================== -->
>     <target name="setup-tomcat" if="tomcat.home"
>         description="copies jdbc driver and context.xml to tomcat">
>         <echo level="info">Copying database JDBC Driver to 
> ${tomcat.home}/common/lib</echo>
>         <copy todir="${tomcat.home}/common/lib" file="${database.jar}"/>
> 
>         <echo level="info">Copying ${webapp.name}.xml to 
> ${tomcat.home}/webapps</echo>
>         <copy tofile="${tomcat.home}/webapps/${webapp.name}.xml"
>             file="metadata/web/tomcat-context.xml" />
> 
>     </target>
> 
> Copying the tomcat-context.xml file to 
> $CATALINA_HOME/webapps/${webapp.name}.xml will only work on Tomcat 
> 4.1.x.  For Tomcat 5.0.x, it needs to go in 
> $CATALINA_HOME/conf/Catalina/localhost/.  I'd like to auto-detect Tomcat 
> 5 and deploy to the appropriate place.  Is there a class I can check for 
> or something?
> 
> Thanks,
> 
> Matt


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