/*
* © Copyright IBM Corp. 2012-2013
*
* 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 com.ibm.commons.util;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* Iterator on an object array.
* @ibm-not-published
*/
public class ObjectArrayIterator implements Iterator<Object> {
private Object[] array;
private int lastItem;
private int current;
public ObjectArrayIterator( Object[] array ) {
this.array = array;
this.lastItem = array.length;
}
public ObjectArrayIterator( Object[] array, int first, int last ) {
this.array = array;
this.current = first>=0 ? first : 0;
this.lastItem = last<=array.length ? last : array.length;
}
public boolean hasNext() {
return current<lastItem;
}
public Object next() {
if( current<lastItem ) {
return array[current++];
}
throw new NoSuchElementException( "No more elements in the array iterator" ); //$NLS-ObjectArrayIterator.ArrayIterator.NoElements.Exception-1$
}
public void remove() {
throw new UnsupportedOperationException( "Cannot remove items on array iterator" ); //$NLS-ObjectArrayIterator.ArrayIterator.CannotRemoveItems.Exception-1$
}
}