package org.nuiton.validator.bean.simple;
   /*
    * #%L
    * Nuiton Validator
    * %%
    * Copyright (C) 2013 - 2014 Code Lutin, Tony Chemit
    * %%
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Lesser General Public License as 
   * published by the Free Software Foundation, either version 3 of the 
   * License, or (at your option) any later version.
   * 
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Lesser Public License for more details.
   * 
   * You should have received a copy of the GNU General Lesser Public 
   * License along with this program.  If not, see
   * <http://www.gnu.org/licenses/lgpl-3.0.html>.
   * #L%
   */
  
  import org.nuiton.validator.NuitonValidatorScope;
  
  import java.util.EnumMap;
  import java.util.EnumSet;
  import java.util.List;
  
  /**
   * Useful methods arond {@link SimpleBeanValidator}.
   *
   * @author Tony Chemit - chemit@codelutin.com
   * @since 2.5.4
   */
  public class SimpleBeanValidators {
  
      protected SimpleBeanValidators() {
          // no constructor on helper class
      }
  
      public static EnumSet<NuitonValidatorScope> getScopes(
              List<SimpleBeanValidatorMessage<?>> messages) {
          EnumSet<NuitonValidatorScope> result =
                  EnumSet.noneOf(NuitonValidatorScope.class);
          for (SimpleBeanValidatorMessage<?> m : messages) {
              result.add(m.getScope());
          }
          return result;
      }
  
      public static EnumMap<NuitonValidatorScope, Integer> getScopesCount(
              List<SimpleBeanValidatorMessage<?>> messages) {
          EnumMap<NuitonValidatorScope, Integer> result =
                  new EnumMap<NuitonValidatorScope, Integer>(NuitonValidatorScope.class);
          for (NuitonValidatorScope s : NuitonValidatorScope.values()) {
              result.put(s, 0);
          }
          for (SimpleBeanValidatorMessage<?> m : messages) {
  
              NuitonValidatorScope scope = m.getScope();
  
              result.put(scope, result.get(scope) + 1);
          }
  
          for (NuitonValidatorScope s : NuitonValidatorScope.values()) {
              if (result.get(s) == 0) {
                  result.remove(s);
              }
          }
          return result;
      }
  }