1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package org.apache.harmony.xml.dom;
18
19import org.w3c.dom.DOMException;
20import org.w3c.dom.Document;
21import org.w3c.dom.Node;
22import org.w3c.dom.Text;
23
24/**
25 * Provides a straightforward implementation of the corresponding W3C DOM
26 * interface. The class is used internally only, thus only notable members that
27 * are not in the original interface are documented (the W3C docs are quite
28 * extensive). Hope that's ok.
29 * <p>
30 * Some of the fields may have package visibility, so other classes belonging to
31 * the DOM implementation can easily access them while maintaining the DOM tree
32 * structure.
33 */
34public class TextImpl extends CharacterDataImpl implements Text {
35
36    TextImpl(DocumentImpl document, String data) {
37        super(document, data);
38    }
39
40    @Override
41    public String getNodeName() {
42        return "#text";
43    }
44
45    @Override
46    public short getNodeType() {
47        return Node.TEXT_NODE;
48    }
49
50    @Override
51    public String getNodeValue() {
52        return getData();
53    }
54
55    public Text splitText(int offset) throws DOMException {
56        Text newText = getOwnerDocument().createTextNode(
57                substringData(offset, getLength() - offset));
58        deleteData(0, offset);
59
60        Node refNode = getNextSibling();
61        if (refNode == null) {
62            getParentNode().appendChild(newText);
63        } else {
64            getParentNode().insertBefore(newText, refNode);
65        }
66
67        return this;
68    }
69
70}
71