public static Image getUpdateCenterImage(String ucDir, boolean force){
Image image = null;
try{
image = new Image (new File (ucDir));
if (force || (GuiUtil.getSessionValue(CATALOG_REFRESHED) == null)){
image.refreshCatalogs();
GuiUtil.setSessionValue(CATALOG_REFRESHED, "TRUE");
}
}catch(Exception ex){
if(force && (image == null)){
GuiUtil.getLogger().warning(GuiUtil.getMessage(BUNDLE, "NoImage", new String[]{ucDir}));