mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-08-25 10:20:27 +02:00
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@6213 b35dd754-fafc-0310-a699-88a17e54d16e
90 lines
2.2 KiB
Java
90 lines
2.2 KiB
Java
// GenericsNote: Converted.
|
|
/*
|
|
* Copyright 2004 The Apache Software Foundation
|
|
*
|
|
* Licensed 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.
|
|
*/
|
|
package org.jivesoftware.smack.util.collections;
|
|
|
|
import java.util.NoSuchElementException;
|
|
|
|
/**
|
|
* Provides an implementation of an empty iterator.
|
|
*
|
|
* @author Matt Hall, John Watkinson, Stephen Colebourne
|
|
* @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:24 $
|
|
* @since Commons Collections 3.1
|
|
*/
|
|
abstract class AbstractEmptyIterator <E> {
|
|
|
|
/**
|
|
* Constructor.
|
|
*/
|
|
protected AbstractEmptyIterator() {
|
|
super();
|
|
}
|
|
|
|
public boolean hasNext() {
|
|
return false;
|
|
}
|
|
|
|
public E next() {
|
|
throw new NoSuchElementException("Iterator contains no elements");
|
|
}
|
|
|
|
public boolean hasPrevious() {
|
|
return false;
|
|
}
|
|
|
|
public E previous() {
|
|
throw new NoSuchElementException("Iterator contains no elements");
|
|
}
|
|
|
|
public int nextIndex() {
|
|
return 0;
|
|
}
|
|
|
|
public int previousIndex() {
|
|
return -1;
|
|
}
|
|
|
|
public void add(E obj) {
|
|
throw new UnsupportedOperationException("add() not supported for empty Iterator");
|
|
}
|
|
|
|
public void set(E obj) {
|
|
throw new IllegalStateException("Iterator contains no elements");
|
|
}
|
|
|
|
public void remove() {
|
|
throw new IllegalStateException("Iterator contains no elements");
|
|
}
|
|
|
|
public E getKey() {
|
|
throw new IllegalStateException("Iterator contains no elements");
|
|
}
|
|
|
|
public E getValue() {
|
|
throw new IllegalStateException("Iterator contains no elements");
|
|
}
|
|
|
|
public E setValue(E value) {
|
|
throw new IllegalStateException("Iterator contains no elements");
|
|
}
|
|
|
|
public void reset() {
|
|
// do nothing
|
|
}
|
|
|
|
}
|