/*

  * Licensed to the Apache Software Foundation (ASF) under one or more

  * contributor license agreements.  See the NOTICE file distributed with

  * this work for additional information regarding copyright ownership.

  * The ASF licenses this file to You 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.apache.commons.flatfile.morph;

 import net.sf.morph.reflect.BeanReflector;

 import net.sf.morph.reflect.MutableIndexedContainerReflector;

 import net.sf.morph.reflect.SizableReflector;

 import org.apache.commons.flatfile.Entity;

 import org.apache.commons.flatfile.EntityArray;

 import org.apache.commons.flatfile.IndexedEntityCollection;

 /**

  * IndexedEntityCollection Reflector.

  * @version $Revision: 760707 $ $Date: 2009-03-31 17:53:22 -0500 (Tue, 31 Mar 2009) $

  */

 public class IndexedEntityCollectionReflector extends

         BaseEntityCollectionReflector implements

         MutableIndexedContainerReflector, SizableReflector, BeanReflector {

     /**

      * Prototype property constant.

      */

     public static final String IMPLICIT_PROPERTY_PROTOTYPE = "prototype";

     /**

      * {@inheritDoc}

      */

     protected Entity getEntity(Object container, int index) throws Exception {

         return ((IndexedEntityCollection) container).getChild(index);

     }

     /**

      * {@inheritDoc}

      */

     protected Class<?>[] getReflectableClassesImpl() throws Exception {

         return new Class[] { IndexedEntityCollection.class };

     }

     /**

      * {@inheritDoc}

      */

     protected boolean isEntity(Object bean, String propertyName)

             throws Exception {

         if (bean instanceof EntityArray

                 && IMPLICIT_PROPERTY_PROTOTYPE.equals(propertyName)) {

             return true;

         }

         try {

             return Integer.parseInt(propertyName) < getSize(bean);

         } catch (Exception e) {

             return false;

         }

     }

     /**

      * {@inheritDoc}

      */

     protected Object getImpl(Object bean, String propertyName) throws Exception {

         return super.getImpl(bean, propertyName);

     }

     /**

      * {@inheritDoc}

      * @see com.pgac.flatfile.morph.BaseEntityCollectionReflector#getEntity(java.lang.Object, java.lang.String)

      */

     protected Entity getEntity(Object bean, String propertyName)

             throws Exception {

         if (bean instanceof EntityArray

                 && IMPLICIT_PROPERTY_PROTOTYPE.equals(propertyName)) {

             return ((EntityArray) bean).getPrototype();

         }

         return super.getEntity(bean, propertyName);

     }

     /**

      * {@inheritDoc}

      * @see com.pgac.flatfile.morph.BaseEntityCollectionReflector#getSizeImpl(java.lang.Object)

      */

     protected int getSizeImpl(Object o) throws Exception {

         int size = ((IndexedEntityCollection) o).size();

         return size < 0 ? 0 : size;

     }

 }