View Javadoc
1   /*
2    * Copyright (c) 2011-2024 PrimeFaces Extensions
3    *
4    *  Permission is hereby granted, free of charge, to any person obtaining a copy
5    *  of this software and associated documentation files (the "Software"), to deal
6    *  in the Software without restriction, including without limitation the rights
7    *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    *  copies of the Software, and to permit persons to whom the Software is
9    *  furnished to do so, subject to the following conditions:
10   *
11   *  The above copyright notice and this permission notice shall be included in
12   *  all copies or substantial portions of the Software.
13   *
14   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20   *  THE SOFTWARE.
21   */
22  package org.primefaces.extensions.application;
23  
24  import javax.faces.context.FacesContext;
25  import javax.faces.context.FacesContextWrapper;
26  import javax.faces.context.ResponseWriter;
27  import javax.faces.context.ResponseWriterWrapper;
28  
29  /**
30   * JSF generates all script tags with 'type="text/javascript"' which throws HTML5 validation warnings.
31   *
32   * @since 10.0.0
33   */
34  public class Html5Context extends FacesContextWrapper {
35  
36      public Html5Context(FacesContext context) {
37          super(context);
38      }
39  
40      @Override
41      public void setResponseWriter(ResponseWriter responseWriter) {
42          // #12591 - Don't wrap the response writer if it's already a Html5FacesContextResponseWriter
43          if (alreadyWrapped(responseWriter)) {
44              super.setResponseWriter(responseWriter);
45          }
46          else {
47              super.setResponseWriter(new Html5ResponseWriter(responseWriter));
48          }
49      }
50  
51      /**
52       * Checks if the given ResponseWriter is already wrapped with Html5ResponseWriter.
53       *
54       * @param responseWriter The ResponseWriter to check
55       * @return true if the ResponseWriter is already wrapped, false otherwise
56       */
57      private boolean alreadyWrapped(ResponseWriter responseWriter) {
58          while (responseWriter instanceof ResponseWriterWrapper) {
59              if (responseWriter instanceof Html5ResponseWriter) {
60                  return true;
61              }
62              responseWriter = ((ResponseWriterWrapper) responseWriter).getWrapped();
63          }
64          return responseWriter instanceof Html5ResponseWriter;
65      }
66  }