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1   /*
2    * Copyright (c) 2002-2025 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.net.MalformedURLException;
18  import java.util.Map;
19  
20  import org.apache.commons.lang3.StringUtils;
21  import org.htmlunit.SgmlPage;
22  
23  /**
24   * HTML Media element, e.g. {@link HtmlAudio} or {@link HtmlVideo}.
25   *
26   * @author Ahmed Ashour
27   * @author Frank Danek
28   * @author Ronald Brill
29   */
30  public class HtmlMedia extends HtmlElement {
31  
32      /**
33       * Creates an instance.
34       *
35       * @param qualifiedName the qualified name of the element type to instantiate
36       * @param page the HtmlPage that contains this element
37       * @param attributes the initial attributes
38       */
39      HtmlMedia(final String qualifiedName, final SgmlPage page,
40              final Map<String, DomAttr> attributes) {
41          super(qualifiedName, page, attributes);
42      }
43  
44      /**
45       * Determines whether the specified media type can be played back.
46       * @param type the type
47       * @return "probably", "maybe", or "". The current implementation returns ""
48       */
49      public String canPlayType(final String type) {
50          if (StringUtils.isAllBlank(type)) {
51              return "";
52          }
53  
54          final int semPos = type.indexOf(';');
55          final int codecPos = type.indexOf("codec");
56  
57          if (semPos > 0 && codecPos > semPos) {
58              return "probably";
59          }
60  
61          return "maybe";
62      }
63  
64      /**
65       * Returns the value of the attribute {@code src}. Refer to the
66       * <a href="http://www.w3.org/TR/html401/">HTML 4.01</a>
67       * documentation for details on the use of this attribute.
68       *
69       * @return the value of the attribute {@code src} or an empty string if that attribute isn't defined
70       */
71      public final String getSrcAttribute() {
72          return getSrcAttributeNormalized();
73      }
74  
75      /**
76       * @return the value of the {@code src} value
77       */
78      public String getSrc() {
79          final String src = getSrcAttribute();
80          if (org.htmlunit.util.StringUtils.isEmptyString(src)) {
81              return src;
82          }
83          try {
84              final HtmlPage page = (HtmlPage) getPage();
85              return page.getFullyQualifiedUrl(src).toExternalForm();
86          }
87          catch (final MalformedURLException e) {
88              final String msg = "Unable to create fully qualified URL for src attribute of media " + e.getMessage();
89              throw new RuntimeException(msg, e);
90          }
91      }
92  
93      /**
94       * Sets the value of the {@code src} attribute.
95       * @param src the value of the {@code src} attribute
96       */
97      public void setSrc(final String src) {
98          setAttribute(SRC_ATTRIBUTE, src);
99      }
100 
101     /**
102      * Returns the absolute URL of the chosen media resource.
103      * This could happen, for example, if the web server selects a
104      * media file based on the resolution of the user's display.
105      * The value is an empty string if the networkState property is EMPTY.
106      * @return the absolute URL of the chosen media resource
107      */
108     public String getCurrentSrc() {
109         return "";
110     }
111 }