javax.servlet.jsp.tagext

Class TagAdapter

Contents
  • All Implemented Interfaces:
    JspTag, Tag

    public class TagAdapter
extends Object
implements Tag
    Wraps any SimpleTag and exposes it using a Tag interface. This is used to allow collaboration between classic Tag handlers and SimpleTag handlers.

    Because SimpleTag does not extend Tag, and because Tag.setParent() only accepts a Tag instance, a classic tag handler (one that implements Tag) cannot have a SimpleTag as its parent. To remedy this, a TagAdapter is created to wrap the SimpleTag parent, and the adapter is passed to setParent() instead. A classic Tag Handler can call getAdaptee() to retrieve the encapsulated SimpleTag instance.

    Since:
    JSP 2.0

    • Constructor Detail

      • TagAdapter

        public TagAdapter(SimpleTag adaptee)
        Creates a new TagAdapter that wraps the given SimpleTag and returns the parent tag when getParent() is called.
        Parameters:
        adaptee - The SimpleTag being adapted as a Tag.

Document created the 11/06/2005, last modified the 18/08/2025
Source of the printed document:https://www.gaudry.be/en/java-api-javaee-rf-javax/servlet/jsp/tagext/tagadapter.html

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References

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