001 /* 002 * Copyright 2003-2005 The Apache Software Foundation 003 * Copyright 2005 Stephen McConnell 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 implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package net.dpml.cli.validation; 018 019 import java.util.List; 020 021 /** 022 * The validation interface for validating argument values(s). 023 * 024 * A validator can replace the argument string value with a 025 * specific class instance e.g. the {@link URLValidator} replaces 026 * the string value with a {@link java.net.URL} instance. 027 * 028 * @author <a href="http://www.dpml.net">Digital Product Meta Library</a> 029 * @version 1.0.0 030 */ 031 public interface Validator 032 { 033 /** 034 * Validate the specified values (List of Strings). 035 * 036 * @param values The values to validate. 037 * @throws InvalidArgumentException If any of the 038 * specified values are not valid. 039 */ 040 void validate( List values ) throws InvalidArgumentException; 041 042 }