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.Comment;
20import org.w3c.dom.Node;
21
22/**
23 * Provides a straightforward implementation of the corresponding W3C DOM
24 * interface. The class is used internally only, thus only notable members that
25 * are not in the original interface are documented (the W3C docs are quite
26 * extensive). Hope that's ok.
27 * <p>
28 * Some of the fields may have package visibility, so other classes belonging to
29 * the DOM implementation can easily access them while maintaining the DOM tree
30 * structure.
31 */
32public final class CommentImpl extends CharacterDataImpl implements Comment {
33
34    CommentImpl(DocumentImpl document, String data) {
35        super(document, data);
36    }
37
38    @Override
39    public String getNodeName() {
40        return "#comment";
41    }
42
43    @Override
44    public short getNodeType() {
45        return Node.COMMENT_NODE;
46    }
47
48    /**
49     * Returns true if this comment contains the illegal character sequence
50     * "--". Such nodes may not be serialized.
51     */
52    public boolean containsDashDash() {
53        return buffer.indexOf("--") != -1;
54    }
55}
56