public static IMenu menuInstance() {
try {
return fact_._newInstance();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void load_() {
startTx_(); // to init JPA em if needed
IMenu m = menuInstance();
if (0 < m._count()) {
if ("yml".equalsIgnoreCase(Play.configuration.getProperty("menu.loadFrom", "db"))) {
Logger.info(msg_("Force loading menus from yaml file. clean up menu database ..."));
// clean db
m._purge();
} else {
// reuse the data in database
commitTx_();
return;
}
}
commitTx_(); // close the previous Tx if it's started
String fileName = Play.configuration.getProperty("menu.yamlFile", "_menu.yml");
VirtualFile yamlFile = virtualFile_(fileName);
if (yamlFile == null) {
Logger.warn(msg_("Couldn't find menu plugin initial file: %s", fileName));
return;
}
load_(yamlFile);
}
public static String url(IMenu menu) {
String s = menu.getUrl();
if (null == s) return null;
s = s.trim();
Matcher m = p1_.matcher(s);
if (m.find()) {
s = m.group(1);
}
m = p2_.matcher(s);
if (m.find()) {
s = m.group(1);
return Router.reverse(s).url;
} else {
return s;
}
}
private static boolean isJPAModel_() {
return JPAMenu.class.equals(fact_.getClass());
}
public static void _purge() {
fact_._purge();
}
public static List<IMenu> _topLevelMenusByLabel(String label) {
if (cacheEnabled_()) return cache_._topLevelMenusByLabel(label);
return fact_._topLevelMenusByLabel(label);
}
public static List<IMenu> _topLevelMenus() {
if (cacheEnabled_()) return cache_._topLevelMenus();
return fact_._topLevelMenus();
}
public static IMenu _find(String id) {
if (cacheEnabled_()) return cache_._find(id);
return fact_._findById(id);
}
public static List<IMenu> getSubMenusByLabel(IMenu parentMenu, String label) {
if (cacheEnabled_()) return cache_.getSubMenusByLabel(parentMenu, label);
return parentMenu.getSubMenusByLabel(label);
}
public static List<IMenu> getSubMenus(IMenu parentMenu) {
if (cacheEnabled_()) return cache_.getSubMenus(parentMenu);
return parentMenu.getSubMenus();
}
static List<IMenu> allMenus() {
return fact_._all();
}
private static void load_(VirtualFile yamlFile) {
Logger.info(msg_("loading menu from yaml file: %s", yamlFile.relativePath()));
String renderedYaml = TemplateLoader.load(yamlFile).render();
Yaml yaml = new Yaml();
try {
startTx_();
Object o = yaml.load(renderedYaml);
if (o instanceof LinkedHashMap<?, ?>) {
Map<String, IMenu> all = new HashMap<String, IMenu>();
@SuppressWarnings("unchecked")
Map<Object, Map<?, ?>> objects = (Map<Object, Map<?, ?>>) o;
Map<Object, String> parents = new HashMap<Object, String>();
for (Object key : objects.keySet()) {
String id = key.toString().trim();
Matcher matcher = P_K.matcher(id);
if (matcher.matches()) {
id = matcher.group(2);
}
Map<?, ?> mm = objects.get(key);
String name = (String) mm.get("name");
String url = (String) mm.get("url");
String cssClass = (String) mm.get("cssClass");
String title = (String) mm.get("title");
List<String> labels = (List<String>) mm.get("labels");
String parent = (String) mm.get("parent");
IMenu menu = menuInstance();
menu.setName(name);
menu.setUrl(url);
menu.setCssClass(cssClass);
menu.setTitle(title);
if (null != labels) {
menu.setLabels(labels);
}
menu._save();
if (null != parent) parents.put(menu._getId(), parent);
all.put(id, menu);
}
for (IMenu menu : all.values()) {
String parent = (String) parents.get(menu._getId());
if (null != parent) {
if (all.containsKey(parent)) {
menu.setParent(all.get(parent));
menu._save();
} else {
throw new RuntimeException(
"cannot find parent["
+ parent
+ "] in men yaml file : "
+ yamlFile.relativePath());
}
}
}
} else {
throw new RuntimeException("menu yml format not reconized: " + yamlFile.relativePath());
}
commitTx_();
} catch (Exception e) {
rollbackTx_();
throw new RuntimeException(e);
}
}