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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