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- /*
- * 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.Iterator;
- import java.util.NoSuchElementException;
-
- /**
- * Abstract base class for iterators that should iterate through a series
- * of characters. Extends the java.util.Iterator interface with some
- * additional functions useful for FOP's management of text.
- */
- public abstract class CharIterator implements Iterator, Cloneable {
-
- /**
- * {@inheritDoc}
- */
- public abstract boolean hasNext();
-
- /**
- * @return the character that is the next character in the collection
- * @throws NoSuchElementException if there are no more characters (test for
- * this condition with java.util.Iterator.hasNext()).
- */
- public abstract char nextChar() throws NoSuchElementException;
-
- /**
- * {@inheritDoc}
- */
- public Object next() throws NoSuchElementException {
- return new Character(nextChar());
- }
-
- /**
- * {@inheritDoc}
- */
- public void remove() {
- throw new UnsupportedOperationException();
- }
-
-
- /**
- * Replace the current character managed by the iterator with a specified
- * character?
- * @param c character
- */
- public void replaceChar(char c) {
- }
-
- /**
- * {@inheritDoc}
- */
- public Object clone() {
- try {
- return super.clone();
- } catch (CloneNotSupportedException ex) {
- return null;
- }
- }
- }
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