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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.util.List;
+
+/**
+ * Iterator over a Java List.
+ */
+class JavaListIterator extends ArrayLikeIterator<Object> {
+
+ /** {@link java.util.List} to iterate over */
+ protected final List<?> list;
+
+ /** length of array */
+ protected final long length;
+
+ /**
+ * Constructor
+ * @param list list to iterate over
+ * @param includeUndefined should undefined elements be included in iteration
+ */
+ protected JavaListIterator(final List<?> list, final boolean includeUndefined) {
+ super(includeUndefined);
+ this.list = list;
+ this.length = list.size();
+ }
+
+ /**
+ * 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 list.get((int)bumpIndex());
+ }
+
+ @Override
+ public long getLength() {
+ return length;
+ }
+
+ @Override
+ public boolean hasNext() {
+ return indexInArray();
+ }
+
+ @Override
+ public void remove() {
+ list.remove(index);
+ }
+}