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.DocumentType;
21import org.w3c.dom.NamedNodeMap;
22import org.w3c.dom.Node;
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 final class DocumentTypeImpl extends LeafNodeImpl implements DocumentType {
35
36    private String qualifiedName;
37
38    private String publicId;
39
40    private String systemId;
41
42    public DocumentTypeImpl(DocumentImpl document, String qualifiedName,
43            String publicId, String systemId) {
44        super(document);
45
46        if (qualifiedName == null || "".equals(qualifiedName)) {
47            throw new DOMException(DOMException.NAMESPACE_ERR, qualifiedName);
48        }
49
50        int prefixSeparator = qualifiedName.lastIndexOf(":");
51        if (prefixSeparator != -1) {
52            String prefix = qualifiedName.substring(0, prefixSeparator);
53            String localName = qualifiedName.substring(prefixSeparator + 1);
54
55            if (!DocumentImpl.isXMLIdentifier(prefix)) {
56                throw new DOMException(DOMException.NAMESPACE_ERR, qualifiedName);
57            }
58
59            if (!DocumentImpl.isXMLIdentifier(localName)) {
60                throw new DOMException(DOMException.INVALID_CHARACTER_ERR, qualifiedName);
61            }
62        } else {
63            if (!DocumentImpl.isXMLIdentifier(qualifiedName)) {
64                throw new DOMException(DOMException.INVALID_CHARACTER_ERR, qualifiedName);
65            }
66        }
67
68        this.qualifiedName = qualifiedName;
69        this.publicId = publicId;
70        this.systemId = systemId;
71    }
72
73    @Override
74    public String getNodeName() {
75        return qualifiedName;
76    }
77
78    @Override
79    public short getNodeType() {
80        return Node.DOCUMENT_TYPE_NODE;
81    }
82
83    public NamedNodeMap getEntities() {
84        // TODO Dummy. Implement this later, if at all (we're DOM level 2 only).
85        return null;
86    }
87
88    public String getInternalSubset() {
89        // TODO Dummy. Implement this later, if at all (we're DOM level 2 only).
90        return null;
91    }
92
93    public String getName() {
94        return qualifiedName;
95    }
96
97    public NamedNodeMap getNotations() {
98        // TODO Dummy. Implement this later, if at all (we're DOM level 2 only).
99        return null;
100    }
101
102    public String getPublicId() {
103        return publicId;
104    }
105
106    public String getSystemId() {
107        return systemId;
108    }
109
110    @Override public String getTextContent() throws DOMException {
111        return null;
112    }
113}
114