Module org.apache.wicket.core
Package org.apache.wicket.markup.parser

Interface IMarkupFilter

All Known Implementing Classes:
AbstractMarkupFilter, AutoLabelTagHandler, EnclosureHandler, HeadForceTagIdHandler, HtmlHandler, HtmlHeaderSectionHandler, HtmlProblemFinder, InlineEnclosureHandler, OpenCloseTagExpander, RelativePathPrefixHandler, RootMarkupFilter, StyleAndScriptIdentifier, WicketContainerTagHandler, WicketLinkTagHandler, WicketMessageTagHandler, WicketNamespaceHandler, WicketRemoveTagHandler, WicketTagIdentifier
public interface IMarkupFilter
Wicket uses a streaming XML parser to read the markup. A chain of IMarkupFilters is used e.g. to remove comments, allow for html typical markup (some tags don't need to be closed explicitly), etc.
Author:
Juergen Donnerstag
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    IMarkupFilter
    getNextFilter()
    IMarkupFilters are usually chained with the last filter retrieving the elements from the XML parser.
    MarkupElement
    nextElement()
    Get the next MarkupElement from the parent MarkupFilter and handle it if the specific filter criteria are met.
    void
    postProcess(Markup markup)
    Called after all filters have been processed.
    void
    setNextFilter(IMarkupFilter parent)
    Set parent filter.

  • Method Details

    • getNextFilter

      IMarkupFilter getNextFilter()
      IMarkupFilters are usually chained with the last filter retrieving the elements from the XML parser.
      Returns:
      The next filter in the chain, or null if the last one.

    • setNextFilter

      void setNextFilter(IMarkupFilter parent)
      Set parent filter.
      Parameters:
      parent - The next element in the chain

    • nextElement

      MarkupElement nextElement() throws ParseException
      Get the next MarkupElement from the parent MarkupFilter and handle it if the specific filter criteria are met. Depending on the filter, it may return the MarkupElement unchanged, modified or remove it by asking the parent handler for the next tag.
      Returns:
      Return the next eligible MarkupElement. Null, if no more found.
      Throws:
      ParseException

    • postProcess

      void postProcess(Markup markup)
      Called after all filters have been processed.
      Parameters:
      markup -