| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.fo; |
| |
| import java.util.NoSuchElementException; |
| |
| /** |
| * Class providing an (FO flavored) char iterator for a string. |
| */ |
| public class StringCharIterator extends CharIterator { |
| |
| private int index; |
| private String str; |
| |
| /** |
| * Constructor |
| * @param s the character that this iterator should iterate. |
| */ |
| public StringCharIterator(String s) { |
| this.index = -1; |
| this.str = s; |
| } |
| |
| /** |
| * @return true if there is another element in the collection over which to |
| * iterate (since this iterator only handles one character, this will return |
| * false if it is past that character). |
| */ |
| public boolean hasNext() { |
| return (index + 1) < str.length(); |
| } |
| |
| /** |
| * @return the next character, if there is one (since there is only one |
| * character over which to iterate, it must be the first character). |
| * @throws NoSuchElementException if past the first character |
| */ |
| public char nextChar() throws NoSuchElementException { |
| if ((index + 1) < str.length()) { |
| return str.charAt(++index); |
| } else { |
| throw new NoSuchElementException(); |
| } |
| } |
| |
| } |
| |