001/* -*- mode: Java; c-basic-offset: 2; indent-tabs-mode: nil; coding: utf-8-unix -*-
002 *
003 * Copyright © 2017 MicroBean.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * 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
014 * implied.  See the License for the specific language governing
015 * permissions and limitations under the License.
016 */
017package org.microbean.configuration.spi.converter;
018
019import org.microbean.configuration.spi.Converter;
020
021public final class StringToCharArrayConverter extends Converter<char[]> {
022
023  private static final long serialVersionUID = 1L;
024
025  private static final char[] EMPTY_CHAR_ARRAY = new char[0];
026  
027  @Override
028  public final char[] convert(final String value) {
029    char[] returnValue = null;
030    if (value != null) {
031      if (value.isEmpty()) {
032        returnValue = EMPTY_CHAR_ARRAY;
033      } else {
034        returnValue = value.toCharArray();
035      }
036    }
037    return returnValue;
038  }
039  
040}