com.sun.xml.rpc.util.CombinedIterator Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
/**
* Combines two iterators into one.
*
* @author JAX-RPC Development Team
*/
package com.sun.xml.rpc.util;
import java.util.Iterator;
public class CombinedIterator implements Iterator {
protected Iterator currentIterator;
protected Iterator secondIterator;
public CombinedIterator(Iterator firstIterator, Iterator secondIterator) {
this.currentIterator = firstIterator;
this.secondIterator = secondIterator;
}
public boolean hasNext() {
if (!currentIterator.hasNext()) {
currentIterator = secondIterator;
}
return currentIterator.hasNext();
}
public Object next() {
if (!currentIterator.hasNext()) {
currentIterator = secondIterator;
}
return currentIterator.next();
}
public void remove() {
throw new UnsupportedOperationException();
}
}