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Diffstat (limited to 'eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/NodeIteratorAdapter.java')
-rw-r--r-- | eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/NodeIteratorAdapter.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/NodeIteratorAdapter.java b/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/NodeIteratorAdapter.java new file mode 100644 index 00000000..ec57b92a --- /dev/null +++ b/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/NodeIteratorAdapter.java @@ -0,0 +1,113 @@ +/******************************************************************************* + * Copyright 2017 Graz University of Technology + * EAAF-Core Components has been developed in a cooperation between EGIZ, + * A-SIT Plus, A-SIT, and Graz University of Technology. + * + * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * https://joinup.ec.europa.eu/news/understanding-eupl-v12 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + *******************************************************************************/ +/******************************************************************************* + *******************************************************************************/ +/******************************************************************************* + *******************************************************************************/ + + +package at.gv.egiz.eaaf.core.impl.utils; + +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 + * + */ +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() { + } + +} |