/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.rice.krad.datadictionary.validation.constraint.provider;
  
  import org.kuali.rice.krad.datadictionary.AttributeDefinition;
  import org.kuali.rice.krad.datadictionary.validation.ViewAttributeValueReader;
  import org.kuali.rice.krad.datadictionary.validation.capability.Constrainable;
  import org.kuali.rice.krad.datadictionary.validation.constraint.CaseConstraint;
  import org.kuali.rice.krad.datadictionary.validation.constraint.DataTypeConstraint;
  import org.kuali.rice.krad.datadictionary.validation.constraint.LengthConstraint;
  import org.kuali.rice.krad.datadictionary.validation.constraint.MustOccurConstraint;
  import org.kuali.rice.krad.datadictionary.validation.constraint.PrerequisiteConstraint;
  import org.kuali.rice.krad.datadictionary.validation.constraint.SimpleConstraint;
  import org.kuali.rice.krad.datadictionary.validation.constraint.ValidCharactersConstraint;
  import org.kuali.rice.krad.datadictionary.validation.constraint.resolver.CaseConstraintResolver;
  import org.kuali.rice.krad.datadictionary.validation.constraint.resolver.ConstraintResolver;
  import org.kuali.rice.krad.datadictionary.validation.constraint.resolver.DefinitionConstraintResolver;
  import org.kuali.rice.krad.datadictionary.validation.constraint.resolver.MustOccurConstraintsResolver;
  import org.kuali.rice.krad.datadictionary.validation.constraint.resolver.PrerequisiteConstraintsResolver;
  import org.kuali.rice.krad.datadictionary.validation.constraint.resolver.SimpleConstraintResolver;
  import org.kuali.rice.krad.datadictionary.validation.constraint.resolver.ValidCharactersConstraintResolver;
  import org.kuali.rice.krad.uif.field.InputField;
  
  import java.util.HashMap;
  
  /**
   * AttributeDefinitionConstraintProvider looks up constraints for attribute definitions by constraint type
   *
   * <p> This can either by instantiated by dependency
   * injection, in which case a map of class names to constraint resolvers can be injected, or the default map can be
   * constructed by
   * calling the init() method immediately after instantiation.</p>
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class AttributeDefinitionConstraintProvider extends BaseConstraintProvider<AttributeDefinition> {
  
      @Override
      public void init() {
          resolverMap = new HashMap<String, ConstraintResolver<AttributeDefinition>>();
          resolverMap.put(SimpleConstraint.class.getName(), new SimpleConstraintResolver<AttributeDefinition>());
          resolverMap.put(CaseConstraint.class.getName(), new CaseConstraintResolver<AttributeDefinition>());
          resolverMap.put(DataTypeConstraint.class.getName(), new DefinitionConstraintResolver<AttributeDefinition>());
          resolverMap.put(LengthConstraint.class.getName(), new DefinitionConstraintResolver<AttributeDefinition>());
          resolverMap.put(ValidCharactersConstraint.class.getName(),
                  new ValidCharactersConstraintResolver<AttributeDefinition>());
          resolverMap.put(PrerequisiteConstraint.class.getName(),
                  new PrerequisiteConstraintsResolver<AttributeDefinition>());
          resolverMap.put(MustOccurConstraint.class.getName(), new MustOccurConstraintsResolver<AttributeDefinition>());
      }
  
      /**
       * @see org.kuali.rice.krad.datadictionary.validation.constraint.provider.ConstraintProvider#isSupported(org.kuali.rice.krad.datadictionary.validation.capability.Constrainable)
       */
      @Override
      public boolean isSupported(Constrainable definition) {
  
          if (definition instanceof AttributeDefinition
                  || definition instanceof InputField
                  || definition instanceof ViewAttributeValueReader.InputFieldConstrainableInfo) {
              return true;
          }
  
          return false;
      }
  
  }