/*

  * 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.dsl;

 import org.apache.commons.lang3.ClassUtils;

 import org.apache.commons.lang3.StringUtils;

 /**

  * Default implementation.

  * @version $Revision: 1301246 $ $Date: 2012-03-15 17:18:16 -0500 (Thu, 15 Mar 2012) $

  */

 public class DefaultEntityNameStrategy implements EntityNameStrategy {

     private static final String NULL = "null";

     /**

      * If <code>o</code> is {@code null}, returns {@literal "null"}.

      * If <code>o</code> is a {@link CharSequence}, its {@link String} value is returned.

      * If <code>o</code> is a {@link Class}, its uncapitalized short classname is returned.

      * Otherwise returns uncapitalized short classname of {@code o}.

      * @param o Object.

      * @return String entity name.

      * @see ClassUtils#getShortClassName(Class)

      */

     public String getEntityName(Object o) {

         if (o == null) {

             return NULL;

         }

         if (o instanceof CharSequence) {

             return o.toString();

         }

         final Class<?> c = o instanceof Class<?> ? (Class<?>) o : o.getClass();

         return StringUtils.uncapitalize(ClassUtils.getShortClassName(c));

     }

 }