001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.swaps;
014
015import org.apache.juneau.*;
016import org.apache.juneau.swap.*;
017
018/**
019 * Transforms {@link Class} objects to and from {@link String Strings}.
020 *
021 * <h5 class='section'>See Also:</h5><ul>
022 *    <li class='link'><a class="doclink" href="../../../../index.html#jm.Swaps">Swaps</a>
023 * </ul>
024 */
025public class ClassSwap extends StringSwap<Class<?>> {
026
027   @Override /* ObjectSwap */
028   public String swap(BeanSession session, Class<?> o) throws Exception {
029      return o == null ? null : o.getName();
030   }
031
032   @Override /* ObjectSwap */
033   public Class<?> unswap(BeanSession session, String o, ClassMeta<?> hint) throws Exception {
034      return o == null ? null : Class.forName(o);
035   }
036}