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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.NoSuchElementException;
/**
* Class providing an iterator for one character.
*/
public class OneCharIterator extends CharIterator {
private boolean bFirst = true;
private char charCode;
/**
* Constructor
* @param c the character that this iterator should iterate.
*/
public OneCharIterator(char c) {
this.charCode = c;
}
/**
* @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 bFirst;
}
/**
* @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 (bFirst) {
bFirst = false;
return charCode;
} else {
throw new NoSuchElementException();
}
}
}
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