package org.kuali.rice.kim.api.identity;
   
   import org.apache.commons.collections.CollectionUtils;
   import org.kuali.rice.core.api.mo.common.Defaultable;
   import org.kuali.rice.core.api.mo.common.active.Inactivatable;
   
   import java.util.Collection;
   
   public class EntityUtils {
  
      private EntityUtils() {
          throw new UnsupportedOperationException("do not call.");
      }
  
      public static <T extends Defaultable & Inactivatable> T getDefaultItem( Collection<T> collection ) {
  		// find the default entry
          if (CollectionUtils.isEmpty(collection)) {
              return null;
          }
  		for ( T item : collection ) {
  			if ( item.isDefaultValue() && item.isActive() ) {
  				return (T)item;
  			}
  		}
  		// if no default, return the first
  		for ( T item : collection ) {
  		    return item;
  		}
  		// if neither, return null
  		return null;
  	}
  }