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+/*
+* Copyright 2003 Federal Chancellery Austria
+*
+* 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 at.gv.egovernment.moa.util;
+
+import java.util.ListIterator;
+
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Node;
+import org.w3c.dom.traversal.NodeFilter;
+import org.w3c.dom.traversal.NodeIterator;
+
+/**
+ * A <code>NodeIterator</code> implementation based on a
+ * <code>ListIterator</code>.
+ *
+ * @see java.util.ListIterator
+ * @see org.w3c.dom.traversal.NodeIterator
+ *
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public class NodeIteratorAdapter implements NodeIterator {
+
+ /** The <code>ListIterator</code> to wrap. */
+ private ListIterator nodeIterator;
+
+ /**
+ * Create a new <code>NodeIteratorAdapter</code>.
+ * @param nodeIterator The <code>ListIterator</code> to iterate over.
+ */
+ public NodeIteratorAdapter(ListIterator nodeIterator) {
+ this.nodeIterator = nodeIterator;
+ }
+
+ /**
+ * @see org.w3c.dom.traversal.NodeIterator#getRoot()
+ */
+ public Node getRoot() {
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.traversal.NodeIterator#getWhatToShow()
+ */
+ public int getWhatToShow() {
+ return NodeFilter.SHOW_ALL;
+ }
+
+ /**
+ * @see org.w3c.dom.traversal.NodeIterator#getFilter()
+ */
+ public NodeFilter getFilter() {
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.traversal.NodeIterator#getExpandEntityReferences()
+ */
+ public boolean getExpandEntityReferences() {
+ return false;
+ }
+
+ /**
+ * @see org.w3c.dom.traversal.NodeIterator#nextNode()
+ */
+ public Node nextNode() throws DOMException {
+ if (nodeIterator.hasNext()) {
+ return (Node) nodeIterator.next();
+ }
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.traversal.NodeIterator#previousNode()
+ */
+ public Node previousNode() throws DOMException {
+ if (nodeIterator.hasPrevious()) {
+ return (Node) nodeIterator.previous();
+ }
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.traversal.NodeIterator#detach()
+ */
+ public void detach() {
+ }
+
+}