1 package org.bouncycastle.util; 2 3 /** 4 * An interface defining a list of strings. 5 */ 6 public interface StringList 7 extends Iterable<String> 8 { 9 /** 10 * Add a String to the list. 11 * 12 * @param s the String to add. 13 * @return true 14 */ 15 boolean add(String s); 16 17 /** 18 * Get the string at index index. 19 * 20 * @param index the index position of the String of interest. 21 * @return the String at position index. 22 */ 23 String get(int index); 24 25 int size(); 26 27 /** 28 * Return the contents of the list as an array. 29 * 30 * @return an array of String. 31 */ 32 String[] toStringArray(); 33 34 /** 35 * Return a section of the contents of the list. If the list is too short the array is filled with nulls. 36 * 37 * @param from the initial index of the range to be copied, inclusive 38 * @param to the final index of the range to be copied, exclusive. 39 * @return an array of length to - from 40 */ 41 String[] toStringArray(int from, int to); 42 } 43
