long age = Navigation.getConfig().getIndexPageCacheLifetime();
if (age == 0) {
DispatcherHelper.cacheDisable(response);
} else {
DispatcherHelper.cacheForWorld(response, (int)age);
}
((com.arsdigita.navigation.ui.object.ComplexObjectList) itemList).setDefinition(new CMSDataCollectionDefinition());
((com.arsdigita.navigation.ui.object.ComplexObjectList) itemList).setRenderer(new CMSDataCollectionRenderer());
((com.arsdigita.navigation.ui.object.ComplexObjectList) itemList).getDefinition().setObjectType("com.arsdigita.cms.ContentPage");
((com.arsdigita.navigation.ui.object.ComplexObjectList) itemList).getDefinition().addOrder("parent.categories.link.sortKey");
((com.arsdigita.navigation.ui.object.ComplexObjectList) itemList).getRenderer().setPageSize(20);
((com.arsdigita.navigation.ui.object.ComplexObjectList) itemList).getRenderer().setSpecializeObjects(true);