/*
    *  Copyright 2001-2013 Stephen Colebourne
    *
    *  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.joda.beans.integrate.mongo;
  
  import java.util.Iterator;
  import java.util.Map;
  import java.util.Set;
  
  import org.joda.beans.Bean;
  
  import com.mongodb.DBObject;
  
  /**
   * Allows a Joda-Bean to be passed directly to MongoDB.
   *
   * @author Stephen Colebourne
   */
  public class BeanMongoDBObject implements DBObject {
  
      /**
       * The underlying bean.
       */
      private final Bean bean;
      /**
       * The Mongo partial flag.
       */
      private boolean partial;
  
      /**
       * Creates an instance wrapping a bean.
       * @param bean  the bean to wrap, not null
       */
      public BeanMongoDBObject(Bean bean) {
          this.bean = bean;
      }
  
      //-----------------------------------------------------------------------
      @Override
      public boolean containsField(String name) {
          return bean.propertyNames().contains(name);
      }
  
      /**
       * {@inheritDoc}
       * @deprecated Use containsField()
       */
      @Override
      @Deprecated
      public boolean containsKey(String name) {
          return containsField(name);
      }
  
      @Override
      public Object get(String name) {
          return bean.property(name).get();
      }
  
      @Override
      public Object put(String name, Object value) {
          return bean.property(name).put(value);
      }
  
      @Override
      public void putAll(DBObject object) {
          for (String name : object.keySet()) {
              put(name, object.get(name));
          }
      }
  
      @Override
      @SuppressWarnings("rawtypes")
      public void putAll(Map map) {
          for (Iterator it = map.keySet().iterator(); it.hasNext(); ) {
              Object key = (Object) it.next();
              put(key.toString(), map.get(key));
          }
      }
  
      @Override
      public Object removeField(String name) {
          throw new UnsupportedOperationException("Remove unsupported");
      }
  
      @Override
      public Set<String> keySet() {
          return bean.propertyNames();
     }
 
     @Override
     @SuppressWarnings("rawtypes")
     public Map toMap() {
         return bean.metaBean().createPropertyMap(bean).flatten();
     }
 
     //-----------------------------------------------------------------------
     @Override
     public boolean isPartialObject() {
         return partial;
     }
 
     @Override
     public void markAsPartialObject() {
         partial = true;
     }
 
 }