public final File getContextXml() 
{
        return this.contextXml;
}

 public final  void init() 
{
        super.init();
        if (!getVersion().startsWith("4"))
        {
            throw new BuildException(
                "This element doesn't support version " + getVersion()
                + " of Tomcat");
        }
}

 protected  void prepare(String theResourcePrefix,
    String theDirName) throws IOException 
{
        super.prepare(theResourcePrefix, theDirName);
        FileUtils fileUtils = FileUtils.newFileUtils();
        // Copy user-provided context xml file into the temporary webapp/
        // container directory
        File webappsDir = new File(getTmpDir(), "webapps");
        if (getContextXml() != null)
        {
            fileUtils.copyFile(getContextXml(), 
                new File(webappsDir, getContextXml().getName()));
        }
}

Tomcat 4.x-specific setup of a temporary installation of the container.

 public final  void setContextXml(File theContextXml) 
{
        this.contextXml = theContextXml;
}

Sets a user-custom context xml configuration file to use for the test installation of Tomcat.

 public final  void shutDown() 
{
        invokeBootstrap("stop");
}

 public final  void startUp() 
{
        try
        {
            prepare("tomcat4x", "cactus/tomcat4x");
            invokeBootstrap("start");
        }
        catch (IOException ioe)
        {
            getLog().error("Failed to startup the container", ioe);
            throw new BuildException(ioe);
        }
}