/**

  * 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.classmap.generator;

 import org.dozer.util.ReflectionUtils;

 import java.beans.PropertyDescriptor;

 import java.util.HashSet;

 import java.util.Set;

 /**

  * @author Dmitry Spikhalskiy

  */

 public class JavaBeanFieldsDetector implements BeanMappingGenerator.BeanFieldsDetector {

   public boolean accepts(Class<?> clazz) {

     return true;

   }

   public Set<String> getReadableFieldNames(Class<?> clazz) {

     Set<String> srcFieldNames = new HashSet<String>();

     PropertyDescriptor[] srcProperties = ReflectionUtils.getPropertyDescriptors(clazz);

     for (PropertyDescriptor srcPropertyDescriptor : srcProperties) {

       String fieldName = srcPropertyDescriptor.getName();

       if (srcPropertyDescriptor.getReadMethod() == null) {

         continue;

       }

       srcFieldNames.add(fieldName);

     }

     return srcFieldNames;

   }

   public Set<String> getWritableFieldNames(Class<?> clazz) {

     Set<String> destFieldNames = new HashSet<String>();

     PropertyDescriptor[] destProperties = ReflectionUtils.getPropertyDescriptors(clazz);

     for (PropertyDescriptor destPropertyDescriptor : destProperties) {

       String fieldName = destPropertyDescriptor.getName();

       // If destination field does not have a write method, then skip

       if (destPropertyDescriptor.getWriteMethod() == null && ReflectionUtils.getNonVoidSetter(clazz, fieldName) == null) {

         continue;

       }

       destFieldNames.add(fieldName);

     }

     return destFieldNames;

   }

 }