/**
    *    Copyright 2009-2017 the original author or authors.
    *
    *    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.apache.ibatis.executor.resultset;
  
  import java.util.HashMap;
  import java.util.Map;
  
  public class PrimitiveTypes {
    private final Map<Class<?>, Class<?>> primitiveToWrappers;
    private final Map<Class<?>, Class<?>> wrappersToPrimitives;
  
    public PrimitiveTypes() {
      this.primitiveToWrappers = new HashMap<Class<?>, Class<?>>();
      this.wrappersToPrimitives = new HashMap<Class<?>, Class<?>>();
  
      add(boolean.class, Boolean.class);
      add(byte.class, Byte.class);
      add(char.class, Character.class);
      add(double.class, Double.class);
      add(float.class, Float.class);
      add(int.class, Integer.class);
      add(long.class, Long.class);
      add(short.class, Short.class);
      add(void.class, Void.class);
    }
  
    private void add(final Class<?> primitiveType, final Class<?> wrapperType) {
      primitiveToWrappers.put(primitiveType, wrapperType);
      wrappersToPrimitives.put(wrapperType, primitiveType);
    }
  
    public Class<?> getWrapper(final Class<?> primitiveType) {
      return primitiveToWrappers.get(primitiveType);
    }
  
    public Class<?> getPrimitive(final Class<?> wrapperType) {
      return wrappersToPrimitives.get(wrapperType);
    }
  }