private void AddActionSubversion(Builder oBuilder, XmlNode oNode)
{
string sAction = oNode.Attributes["action"].Value;
string sDirectory = oNode.Attributes["directory"].Value;
BuildStepSubversion.SVNAction svnaction;
if (sAction == "revert")
svnaction = BuildStepSubversion.SVNAction.SVNRevert;
else if (sAction == "update")
svnaction = BuildStepSubversion.SVNAction.SVNUpdate;
else
throw new Exception("Incorrect SubVersion configuration");
oBuilder.Add(new BuildStepSubversion(oBuilder,svnaction, sDirectory));
}