Class PermittedTaglibsTLV


  • public class PermittedTaglibsTLV
    extends javax.servlet.jsp.tagext.TagLibraryValidator

    A TagLibraryValidator class to allow a TLD to restrict what taglibs (in addition to itself) may be imported on a page where it's used.

    This TLV supports the following initialization parameter:

    • permittedTaglibs: A whitespace-separated list of URIs corresponding to tag libraries permitted to be imported on the page in addition to the tag library that references PermittedTaglibsTLV (which is allowed implicitly).

    This implementation only detects tag libraries declared on the <jsp:root> element, including libraries in regular JSP files or JSP Documents with a specific <jsp:root>. It does not detect libraries declared on other elements as supported by JSP 2.0.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void setInitParameters​(java.util.Map<java.lang.String,​java.lang.Object> initParams)  
      javax.servlet.jsp.tagext.ValidationMessage[] validate​(java.lang.String prefix, java.lang.String uri, javax.servlet.jsp.tagext.PageData page)  
      private javax.servlet.jsp.tagext.ValidationMessage[] vmFromString​(java.lang.String message)  
      • Methods inherited from class javax.servlet.jsp.tagext.TagLibraryValidator

        getInitParameters, release
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • PERMITTED_TAGLIBS_PARAM

        private static final java.lang.String PERMITTED_TAGLIBS_PARAM
        See Also:
        Constant Field Values
      • permittedTaglibs

        private final java.util.Set<java.lang.String> permittedTaglibs
    • Constructor Detail

      • PermittedTaglibsTLV

        public PermittedTaglibsTLV()
    • Method Detail

      • setInitParameters

        public void setInitParameters​(java.util.Map<java.lang.String,​java.lang.Object> initParams)
        Overrides:
        setInitParameters in class javax.servlet.jsp.tagext.TagLibraryValidator
      • validate

        public javax.servlet.jsp.tagext.ValidationMessage[] validate​(java.lang.String prefix,
                                                                     java.lang.String uri,
                                                                     javax.servlet.jsp.tagext.PageData page)
        Overrides:
        validate in class javax.servlet.jsp.tagext.TagLibraryValidator
      • vmFromString

        private javax.servlet.jsp.tagext.ValidationMessage[] vmFromString​(java.lang.String message)