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}