/**

  * Copyright 2005-2013 Dozer Project

  *

  * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0

  *

  * 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.dozer.propertydescriptor;

 import org.dozer.fieldmap.HintContainer;

 import org.dozer.util.DozerConstants;

 import org.dozer.util.MappingUtils;

 import java.util.ArrayList;

 import java.util.List;

 import java.util.concurrent.CopyOnWriteArrayList;

 /**

  * Internal factory responsible for determining which property descriptor should

  * be used. Only intended for internal use.

  * 

  * @author garsombke.franz

  */

 public class PropertyDescriptorFactory {

   private static final List<PropertyDescriptorCreationStrategy> pluggedDescriptorCreationStrategies =

           new ArrayList<PropertyDescriptorCreationStrategy>();

   private PropertyDescriptorFactory() {

   }

   public static DozerPropertyDescriptor getPropertyDescriptor(Class<?> clazz, String theGetMethod, String theSetMethod,

       String mapGetMethod, String mapSetMethod, boolean isAccessible, boolean isIndexed, int index, String name, String key,

       boolean isSelfReferencing, String oppositeFieldName, HintContainer srcDeepIndexHintContainer,

       HintContainer destDeepIndexHintContainer, String beanFactory) {

     DozerPropertyDescriptor desc = null;

     // Raw Map types or custom map-get-method/set specified

     boolean isMapProperty = MappingUtils.isSupportedMap(clazz);

     if (name.equals(DozerConstants.SELF_KEYWORD) &&

             (mapSetMethod != null || mapGetMethod != null || isMapProperty)) {

       String setMethod = isMapProperty ? "put" : mapSetMethod;

       String getMethod = isMapProperty ? "get" : mapGetMethod;

       desc = new MapPropertyDescriptor(clazz, name, isIndexed, index, setMethod,

               getMethod, key != null ? key : oppositeFieldName,

               srcDeepIndexHintContainer, destDeepIndexHintContainer);

       // Copy by reference(Not mapped backed properties which also use 'this'

       // identifier for a different purpose)

     } else if (isSelfReferencing) {

       desc = new SelfPropertyDescriptor(clazz);

       // Access field directly and bypass getter/setters

     } else if (isAccessible) {

       desc = new FieldPropertyDescriptor(clazz, name, isIndexed, index, srcDeepIndexHintContainer, destDeepIndexHintContainer);

       // Custom get-method/set specified

     } else if (theSetMethod != null || theGetMethod != null) {

       desc = new CustomGetSetPropertyDescriptor(clazz, name, isIndexed, index, theSetMethod, theGetMethod,

           srcDeepIndexHintContainer, destDeepIndexHintContainer);

       // If this object is an XML Bean - then use the XmlBeanPropertyDescriptor  

     } else if (beanFactory != null && beanFactory.equals(DozerConstants.XML_BEAN_FACTORY)) {

       desc = new XmlBeanPropertyDescriptor(clazz, name, isIndexed, index, srcDeepIndexHintContainer, destDeepIndexHintContainer);

     }

     if (desc != null) return desc;

     for (PropertyDescriptorCreationStrategy propertyDescriptorBuilder :

             new CopyOnWriteArrayList<PropertyDescriptorCreationStrategy>(pluggedDescriptorCreationStrategies)) {

       if (propertyDescriptorBuilder.isApplicable(clazz, name)) {

         desc = propertyDescriptorBuilder.buildFor(

                 clazz, name, isIndexed, index, srcDeepIndexHintContainer, destDeepIndexHintContainer);

         if (desc != null) break;

       }

     }

     if (desc == null) {

       // Everything else. It must be a normal bean with normal custom get/set methods

       desc = new JavaBeanPropertyDescriptor(clazz, name, isIndexed, index, srcDeepIndexHintContainer, destDeepIndexHintContainer);

     }

     return desc;

   }

   public static void addPluggedPropertyDescriptorCreationStrategy(PropertyDescriptorCreationStrategy strategy) {

     pluggedDescriptorCreationStrategies.add(strategy);

   }

 }