1 /** 2 * Copyright (C) 2010 the original author or authors. 3 * See the notice.md file distributed with this work for additional 4 * information regarding copyright ownership. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package com.beust.jcommander; 20 21 /** 22 * Allows the specification of default values. 23 * 24 * @author cbeust 25 */ 26 public interface IDefaultProvider { 27 28 /** 29 * @param optionName The name of the option as specified in the names() attribute 30 * of the @Parameter option (e.g. "-file"). 31 * 32 * @return the default value for this option. 33 */ 34 String getDefaultValueFor(String optionName); 35 } 36
