001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.beanutils.converters;
018    
019    import java.util.Calendar;
020    
021    /**
022     * {@link DateTimeConverter} implementation that handles conversion to
023     * and from <b>java.util.Calendar</b> objects.
024     * <p>
025     * This implementation can be configured to handle conversion either
026     * by using a Locale's default format or by specifying a set of format
027     * patterns (note, there is no default String conversion for Calendar).
028     * See the {@link DateTimeConverter} documentation for further details.
029     * <p>
030     * Can be configured to either return a <i>default value</i> or throw a
031     * <code>ConversionException</code> if a conversion error occurs.
032     *
033     * @version $Revision: 640131 $
034     * @since 1.8.0
035     */
036    public final class CalendarConverter extends DateTimeConverter {
037    
038        /**
039         * Construct a <b>java.util.Calendar</b> <i>Converter</i> that throws
040         * a <code>ConversionException</code> if an error occurs.
041         */
042        public CalendarConverter() {
043            super();
044        }
045    
046        /**
047         * Construct a <b>java.util.Calendar</b> <i>Converter</i> that returns
048         * a default value if an error occurs.
049         *
050         * @param defaultValue The default value to be returned
051         * if the value to be converted is missing or an error
052         * occurs converting the value.
053         */
054        public CalendarConverter(Object defaultValue) {
055            super(defaultValue);
056        }
057    
058        /**
059         * Return the default type this <code>Converter</code> handles.
060         *
061         * @return The default type this <code>Converter</code> handles.
062         */
063        protected Class getDefaultType() {
064            return Calendar.class;
065        }
066    
067    }