1 /*
2 * Copyright (c) 2002-2026 Gargoyle Software Inc.
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 * https://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 package org.htmlunit.html;
16
17 import java.io.PrintWriter;
18 import java.util.Map;
19
20 import org.htmlunit.SgmlPage;
21
22 /**
23 * Wrapper for the HTML element "head".
24 *
25 * @author Mike Bowler
26 * @author Christian Sell
27 * @author Ahmed Ashour
28 * @author Frank Danek
29 * @author Ronald Brill
30 */
31 public class HtmlHead extends HtmlElement {
32
33 /** The HTML tag represented by this element. */
34 public static final String TAG_NAME = "head";
35
36 /**
37 * Creates a new instance.
38 *
39 * @param qualifiedName the qualified name of the element type to instantiate
40 * @param page the HtmlPage that contains this element
41 * @param attributes the initial attributes
42 */
43 HtmlHead(final String qualifiedName, final SgmlPage page,
44 final Map<String, DomAttr> attributes) {
45 super(qualifiedName, page, attributes);
46 }
47
48 /**
49 * Returns the value of the attribute {@code profile}. Refer to the
50 * <a href="http://www.w3.org/TR/html401/">HTML 4.01</a>
51 * documentation for details on the use of this attribute.
52 *
53 * @return the value of the attribute {@code profile} or an empty string if that attribute isn't defined
54 */
55 public final String getProfileAttribute() {
56 return getAttributeDirect("profile");
57 }
58
59 /**
60 * {@inheritDoc}
61 */
62 @Override
63 public boolean mayBeDisplayed() {
64 return false;
65 }
66
67 /**
68 * {@inheritDoc}
69 */
70 @Override
71 public DisplayStyle getDefaultStyleDisplay() {
72 return DisplayStyle.NONE;
73 }
74
75 /**
76 * {@inheritDoc}
77 */
78 @Override
79 protected boolean printXml(final String indent, final boolean indentBefore, final PrintWriter printWriter) {
80 // enforce always a line break before
81 return super.printXml(indent, true, printWriter);
82 }
83 }