001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. 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 */ 017package org.apache.wicket.util.string; 018 019/** 020 * Typesafe interface to an ordered sequence of strings. An IStringIterator can be retrieved for the 021 * sequence by calling iterator(), the number of Strings in the sequence can be determined by 022 * calling size() and a given String can be retrieved by calling get(int index). 023 * 024 * @author Jonathan Locke 025 */ 026public interface IStringSequence 027{ 028 /** 029 * Gets a string at a given index in the sequence 030 * 031 * @param index 032 * The index 033 * @return The string at the given index 034 * @throws IndexOutOfBoundsException 035 */ 036 String get(int index) throws IndexOutOfBoundsException; 037 038 /** 039 * @return Typesafe string iterator 040 */ 041 IStringIterator iterator(); 042 043 /** 044 * @return Number of strings in this sequence 045 */ 046 int size(); 047}