private void initializeRules( UrlRewriteRulesDescriptor descriptor ) {
for( UrlRewriteRuleDescriptor ruleDescriptor : descriptor.getRules() ) {
try {
UrlRewriteRuleProcessorHolder ruleProcessor = new UrlRewriteRuleProcessorHolder();
ruleProcessor.initialize( environment, ruleDescriptor );
if( !rules.containsKey( ruleDescriptor.name() ) ) {
rules.put( ruleDescriptor.name(), ruleProcessor );
}
Template template = ruleDescriptor.template();
if( template != null ) {