/**

  * 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.MappingUtils;

 import org.dozer.util.ReflectionUtils;

 import java.beans.PropertyDescriptor;

 import java.lang.reflect.Method;

 /**

  * 

  * Internal class used to read and write values for fields that follow the java bean spec and have corresponding

  * getter/setter methods for the field that are name accordingly. If the field does not have the necessary

  * getter/setter, an exception will be thrown. Only intended for internal use.

  * 

  * @author garsombke.franz

  * @author tierney.matt

  */

 public class JavaBeanPropertyDescriptor extends GetterSetterPropertyDescriptor {

   private PropertyDescriptor pd;

   public JavaBeanPropertyDescriptor(Class<?> clazz, String fieldName, boolean isIndexed, int index,

       HintContainer srcDeepIndexHintContainer, HintContainer destDeepIndexHintContainer) {

     super(clazz, fieldName, isIndexed, index, srcDeepIndexHintContainer, destDeepIndexHintContainer);

   }

   @Override

   public Method getWriteMethod() throws NoSuchMethodException {

     Method result = getPropertyDescriptor(destDeepIndexHintContainer).getWriteMethod();

     result = result == null ? ReflectionUtils.getNonVoidSetter(clazz, fieldName) : result;

     if (result == null) {

       throw new NoSuchMethodException("Unable to determine write method for Field: '" + fieldName + "' in Class: " + clazz);

     }

     return result;

   }

   @Override

   protected String getSetMethodName() throws NoSuchMethodException {

     return getWriteMethod().getName();

   }

   @Override

   protected Method getReadMethod() throws NoSuchMethodException {

     Method result = getPropertyDescriptor(srcDeepIndexHintContainer).getReadMethod();

     if (result == null) {

       throw new NoSuchMethodException("Unable to determine read method for Field: '" + fieldName + "' in Class: " + clazz);

     }

     return result;

   }

   @Override

   protected boolean isCustomSetMethod() {

     return false;

   }

   private PropertyDescriptor getPropertyDescriptor(HintContainer deepIndexHintContainer) {

     if (pd == null) {

       pd = ReflectionUtils.findPropertyDescriptor(clazz, fieldName, deepIndexHintContainer);

       if (pd == null) {

         MappingUtils.throwMappingException("Property: '" + fieldName + "' not found in Class: " + clazz);

       }

     }

     return pd;

   }

 }