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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.flow;
import java.util.NoSuchElementException;
import org.apache.fop.fo.CharIterator;
/**
* Used by the RecursiveCharIterator to iterate over a Character
*/
public class FOCharIterator extends CharIterator {
private boolean bFirst = true;
private Character foChar;
/**
* Main constructor
* @param foChar the FOCharacter
*/
protected FOCharIterator(Character foChar) {
this.foChar = foChar;
}
/**
* @return true if this iterator has another character available
*/
public boolean hasNext() {
return bFirst;
}
/**
* @return the next character
*/
public char nextChar() {
if (bFirst) {
bFirst = false;
return foChar.character;
} else {
throw new NoSuchElementException();
}
}
/**
* Removes the child from the parent
*/
public void remove() {
foChar.getParent().removeChild(foChar);
}
/**
* Replaces the character with another one
* @param c the replacement character
*/
public void replaceChar(char c) {
foChar.character = c;
}
}
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