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/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.nashorn.internal.runtime.arrays;
import java.lang.reflect.Array;
/**
* Iterator over a Java List.
*/
class JavaArrayIterator extends ArrayLikeIterator<Object> {
/** Array to iterate over */
protected final Object array;
/** length of array */
protected final long length;
/**
* Constructor
* @param array array to iterate over
* @param includeUndefined should undefined elements be included in iteration
*/
protected JavaArrayIterator(final Object array, final boolean includeUndefined) {
super(includeUndefined);
assert array.getClass().isArray() : "expecting Java array object";
this.array = array;
this.length = Array.getLength(array);
}
/**
* Is the current index still inside the array
* @return true if inside the array
*/
protected boolean indexInArray() {
return index < length;
}
@Override
public Object next() {
return Array.get(array, (int)bumpIndex());
}
@Override
public long getLength() {
return length;
}
@Override
public boolean hasNext() {
return indexInArray();
}
@Override
public void remove() {
throw new UnsupportedOperationException("remove");
}
}
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