/* * Copyright 2012 Jason Miller * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package jj.conversion; /** * @author jason * */ class FromStringToCharacter implements Converter<String, Character> { @Override public Character convert(String in) { if (in == null || in.isEmpty() || in.length() > 1) { return null; } return in.charAt(0); } }