/**
    *    Copyright 2009-2015 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.type;
  
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.util.Date;
  import java.util.HashSet;
  import java.util.Set;
  
  /**
   * @author Clinton Begin
   */
  public class SimpleTypeRegistry {
  
    private static final Set<Class<?>> SIMPLE_TYPE_SET = new HashSet<Class<?>>();
  
    static {
      SIMPLE_TYPE_SET.add(String.class);
      SIMPLE_TYPE_SET.add(Byte.class);
      SIMPLE_TYPE_SET.add(Short.class);
      SIMPLE_TYPE_SET.add(Character.class);
      SIMPLE_TYPE_SET.add(Integer.class);
      SIMPLE_TYPE_SET.add(Long.class);
      SIMPLE_TYPE_SET.add(Float.class);
      SIMPLE_TYPE_SET.add(Double.class);
      SIMPLE_TYPE_SET.add(Boolean.class);
      SIMPLE_TYPE_SET.add(Date.class);
      SIMPLE_TYPE_SET.add(Class.class);
      SIMPLE_TYPE_SET.add(BigInteger.class);
      SIMPLE_TYPE_SET.add(BigDecimal.class);
    }
  
    private SimpleTypeRegistry() {
      // Prevent Instantiation
    }
  
    /*
     * Tells us if the class passed in is a known common type
     *
     * @param clazz The class to check
     * @return True if the class is known
     */
    public static boolean isSimpleType(Class<?> clazz) {
      return SIMPLE_TYPE_SET.contains(clazz);
    }
  
  }