/**
    * Copyright 2005-2015 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.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.ExistenceConstraint;
  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;
  
  /**
   * An object that looks up constraints for attribute definitions by constraint type. 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. 
   * 
   * @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(CaseConstraint.class.getName(), new CaseConstraintResolver<AttributeDefinition>());
  		resolverMap.put(ExistenceConstraint.class.getName(), new DefinitionConstraintResolver<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)
  			return true;
  		
  		return false;
  	}
  
  }