[jboss-jira] [JBoss JIRA] Created: (JBPORTAL-2399) HeaderContent tag can put multiple occurrences of JavaScript and CSS files

[Philip Kedy (JIRA)]

HeaderContent tag can put multiple occurrences of JavaScript and CSS files
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                 Key: JBPORTAL-2399
                 URL: https://jira.jboss.org/jira/browse/JBPORTAL-2399
             Project: JBoss Portal
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Portal Theme
    Affects Versions: 2.7.2 Final
            Reporter: Philip Kedy
            Priority: Minor
         Attachments: HeaderContentTagHandler.java

We commonly use the header-content feature of jboss-portlet.xml.  It appears as those if multiple portlet instances of the same portlet definition are on the page that the JavaScript and CSS files referenced in the header-content are included in the head tag multiple times.

This causes several browser performance issues with managing an increased volume of CSS and JavaScript.  Also Internet Explorer has a limit of 32 CSS files that can be referenced directly in the head tag.  Between the theme CSS and portlet CSS it is possible to surpass the 32 file limit.

I have attached a revision to HeaderContentTagHandler.java to prevent multiple references to the same file.  It also writes out references to CSS before JavaScript which is supposed to improve browser performance.

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