// ================================================================================================= // Copyright 2011 Twitter, Inc. // ------------------------------------------------------------------------------------------------- // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this work except in compliance with the License. // You may obtain a copy of the License in the LICENSE file, or 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 com.twitter.common.args.parsers; import com.twitter.common.args.ArgParser; import static com.google.common.base.Preconditions.checkArgument; /** * Character parser. * * @author William Farner */ @ArgParser public class CharacterParser extends NonParameterizedTypeParser<Character> { @Override public Character doParse(String raw) { checkArgument(raw.length() == 1, "String " + raw + " cannot be assigned to a character."); return raw.charAt(0); } }