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.transforms;
014
015import org.apache.juneau.*;
016import org.apache.juneau.annotation.*;
017import org.apache.juneau.transform.*;
018
019/**
020 * Built-in POJO swap implementation class for the {@link BeanProperty#format() @BeanProperty.format()} annotation.
021 */
022public class StringFormatSwap extends StringSwap<Object> {
023
024   private final String format;
025
026   /**
027    * Constructor.
028    * 
029    * @param format The string format string.
030    */
031   public StringFormatSwap(String format) {
032      this.format = format;
033   }
034
035   @Override /* PojoSwap */
036   public String swap(BeanSession session, Object o) throws Exception {
037      return String.format(format, o);
038   }
039
040   @Override /* PojoSwap */
041   public Object unswap(BeanSession session, String f, ClassMeta<?> hint) throws Exception {
042      return session.convertToType(f, hint);
043   }
044}