/*
    *  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.impl;
  
  import java.util.NoSuchElementException;
  
  import org.joda.beans.Bean;
  import org.joda.beans.MetaBean;
  import org.joda.beans.MetaProperty;
  import org.joda.beans.PropertyMap;
  
  /**
   * Basic implementation of {@code MetaBean}.
   * 
   * @author Stephen Colebourne
   */
  public abstract class BasicMetaBean implements MetaBean {
  
      @Override
      public PropertyMap createPropertyMap(Bean bean) {
          return BasicPropertyMap.of(bean);
      }
  
      @Override
      public String beanName() {
          return beanType().getName();
      }
  
      @Override
      public int metaPropertyCount() {
          return metaPropertyMap().size();
      }
  
      @Override
      public boolean metaPropertyExists(String propertyName) {
          return metaPropertyMap().containsKey(propertyName);
      }
  
      @SuppressWarnings("unchecked")
      @Override
      public <R> MetaProperty<R> metaProperty(String propertyName) {
          MetaProperty<?> mp = metaPropertyMap().get(propertyName);
          if (mp == null) {
              throw new NoSuchElementException("Unknown property: " + propertyName);
          }
          return (MetaProperty<R>) mp;
      }
  
      @Override
      public Iterable<MetaProperty<?>> metaPropertyIterable() {
          return metaPropertyMap().values();
      }
  
      //-----------------------------------------------------------------------
      /**
       * Returns a string that summarises the meta-bean.
       * 
       * @return a summary string, not null
       */
      @Override
      public String toString() {
          return "MetaBean:" + beanType().getSimpleName();
      }
  
  }