| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * 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 org.apache.harmony.xml.dom; |
| |
| import org.w3c.dom.Node; |
| |
| /** |
| * Provides a straightforward implementation of the corresponding W3C DOM |
| * interface. The class is used internally only, thus only notable members that |
| * are not in the original interface are documented (the W3C docs are quite |
| * extensive). Hope that's ok. |
| * <p> |
| * Some of the fields may have package visibility, so other classes belonging to |
| * the DOM implementation can easily access them while maintaining the DOM tree |
| * structure. |
| * <p> |
| * This class represents a Node that has a parent Node, but no children. |
| */ |
| public abstract class LeafNodeImpl extends NodeImpl { |
| |
| // Maintained by InnerNodeImpl. |
| InnerNodeImpl parent; |
| |
| // Maintained by InnerNodeImpl. |
| int index; |
| |
| LeafNodeImpl(DocumentImpl document) { |
| super(document); |
| } |
| |
| public Node getNextSibling() { |
| if (parent == null || index + 1 >= parent.children.size()) { |
| return null; |
| } |
| |
| return parent.children.get(index + 1); |
| } |
| |
| public Node getParentNode() { |
| return parent; |
| } |
| |
| public Node getPreviousSibling() { |
| if (parent == null || index == 0) { |
| return null; |
| } |
| |
| return parent.children.get(index - 1); |
| } |
| |
| boolean isParentOf(Node node) { |
| return false; |
| } |
| |
| } |