/*
 * Created on 11-Nov-05
 *
 */
package com.arsdigita.london.terms;

import com.arsdigita.persistence.DataQuery;
import com.arsdigita.domain.DomainCollection;
import com.arsdigita.persistence.SessionManager;
import com.arsdigita.util.UncheckedWrapperException;
import com.arsdigita.web.Application;

/**
 * @author chris.gilbert@westsussex.gov.uk
 *
 * Some useful methods that may be used by different applications
 */
public class Util {
	public static Domain getApplicationDomain(Application app) {
			Domain applicationDomain;
			DataQuery domains =
				SessionManager.getSession().retrieveQuery(
					"com.arsdigita.london.terms.DefaultApplicationDomain");
			domains.setParameter("path", app.getPath() + "/");
			if (domains.next()) {
				applicationDomain =
					Domain.retrieve((String) domains.get("domainKey"));
			} else {
				throw new UncheckedWrapperException(
                      "No Default Navigation domain found for application " +
                      app == null ? null : app.getTitle());
			}
			domains.close();
		
		return applicationDomain;
	}


   /** 
    * retrieve a unique integer to allocate to a new term. 
    * Useful for applications that dynamically generate terms. 
    */ 

   public static String getNextTermID(Domain domain) { 
    
      DomainCollection terms = domain.getTerms(); 
      terms.addOrder(Term.UNIQUE_ID + " desc"); 
      int id = 1; 
      if(terms.next()) { 
         Term other = (Term) terms.getDomainObject(); 
         id = Integer.parseInt(other.getUniqueID()) + 1; 
         terms.close(); 
      } 
      return Integer.toString(id); 
   } 
}