import com.helger.commons.lang.EnumHelper; //导入依赖的package包/类
/**
 * Cleanup all custom caches contained in this library. Loaded SPI
 * implementations are not affected by this method!
 */
public static void cleanup ()
{
  // Reinitialize singletons to the default values
  if (LocaleCache.isInstantiated ())
    LocaleCache.getInstance ().reinitialize ();
  if (CountryCache.isInstantiated ())
    CountryCache.getInstance ().reinitialize ();
  if (SerializationConverterRegistry.isInstantiated ())
    SerializationConverterRegistry.getInstance ().reinitialize ();
  if (MimeTypeDeterminator.isInstantiated ())
    MimeTypeDeterminator.getInstance ().reinitialize ();
  if (ThirdPartyModuleRegistry.isInstantiated ())
    ThirdPartyModuleRegistry.getInstance ().reinitialize ();
  if (TypeConverterRegistry.isInstantiated ())
    TypeConverterRegistry.getInstance ().reinitialize ();
  if (URLProtocolRegistry.isInstantiated ())
    URLProtocolRegistry.getInstance ().reinitialize ();
  if (EqualsImplementationRegistry.isInstantiated ())
    EqualsImplementationRegistry.getInstance ().reinitialize ();
  if (HashCodeImplementationRegistry.isInstantiated ())
    HashCodeImplementationRegistry.getInstance ().reinitialize ();

  // Clear caches
  if (DefaultTextResolver.isInstantiated ())
    DefaultTextResolver.getInstance ().clearCache ();
  EnumHelper.clearCache ();
  ResourceBundleHelper.clearCache ();
  if (RegExCache.isInstantiated ())
    RegExCache.getInstance ().clearCache ();
  CollatorHelper.clearCache ();
  LocaleHelper.clearCache ();
  StatisticsManager.clearCache ();
  SystemProperties.clearWarnedPropertyNames ();
  if (ImageDataManager.isInstantiated ())
    ImageDataManager.getInstance ().clearCache ();

  // Clean this one last as it is used in equals and hashCode implementations!
  ClassHierarchyCache.clearCache ();
}
 

import com.helger.commons.lang.EnumHelper; //导入依赖的package包/类
@Nullable
public static EField getFromIDOrNull (@Nullable final String sID)
{
  return EnumHelper.getFromIDOrNull (EField.class, sID);
}
 

import com.helger.commons.lang.EnumHelper; //导入依赖的package包/类
@Nullable
public static ESpace getFromIDOrNull (@Nullable final String sID)
{
  return EnumHelper.getFromIDOrNull (ESpace.class, sID);
}
 

import com.helger.commons.lang.EnumHelper; //导入依赖的package包/类
@Nullable
public static EDirValue getFromIDOrNull (@Nullable final String sID)
{
  return EnumHelper.getFromIDOrNull (EDirValue.class, sID);
}