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Java 2 Platform EE v1.3: Package javax.servlet.jsp.tagext
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<H2>
Package javax.servlet.jsp.tagext
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Classes and interfaces for the definition of JavaServer Pages Tag Libraries.
<P>
<B>See: </B>
<BR>
<A HREF="#package_description"><B>Description</B></A>
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<B>Interface Summary</B></FONT></TD>
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<TD WIDTH="15%"><B><A HREF="BodyTag.html"><I>BodyTag</I></A></B></TD>
<TD>The BodyTag interface extends IterationTag by defining additional
methods that let a tag handler manipulate the content of evaluating its body.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="IterationTag.html"><I>IterationTag</I></A></B></TD>
<TD>The IterationTag interface extends Tag by defining one additional
method that controls the reevaluation of its body.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="Tag.html"><I>Tag</I></A></B></TD>
<TD>The interface of a simple tag handler that does not want to manipulate its body.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TryCatchFinally.html"><I>TryCatchFinally</I></A></B></TD>
<TD>The auxiliary interface of a Tag, IterationTag or BodyTag tag
handler that wants additional hooks for managing resources.</TD>
</TR>
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<B>Class Summary</B></FONT></TD>
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<TD WIDTH="15%"><B><A HREF="BodyContent.html">BodyContent</A></B></TD>
<TD>An encapsulation of the evaluation of the body of an action so it is
available to a tag handler.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="BodyTagSupport.html">BodyTagSupport</A></B></TD>
<TD>A base class for defining tag handlers implementing BodyTag.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="PageData.html">PageData</A></B></TD>
<TD>Translation-time information on a JSP page.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TagAttributeInfo.html">TagAttributeInfo</A></B></TD>
<TD>Information on the attributes of a Tag, available at translation time.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TagData.html">TagData</A></B></TD>
<TD>The (translation-time only) attribute/value information for a tag instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TagExtraInfo.html">TagExtraInfo</A></B></TD>
<TD>Optional class provided by the tag library author to describe additional
translation-time information not described in the TLD.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TagInfo.html">TagInfo</A></B></TD>
<TD>Tag information for a tag in a Tag Library;
This class is instantiated from the Tag Library Descriptor file (TLD)
and is available only at translation time.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TagLibraryInfo.html">TagLibraryInfo</A></B></TD>
<TD>Translation-time information associated with a taglib directive, and its
underlying TLD file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TagLibraryValidator.html">TagLibraryValidator</A></B></TD>
<TD>Translation-time validator class for a JSP page.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TagSupport.html">TagSupport</A></B></TD>
<TD>A base class for defining new tag handlers implementing Tag.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TagVariableInfo.html">TagVariableInfo</A></B></TD>
<TD>Variable information for a tag in a Tag Library;
This class is instantiated from the Tag Library Descriptor file (TLD)
and is available only at translation time.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="ValidationMessage.html">ValidationMessage</A></B></TD>
<TD>A validation message from a TagLibraryValidator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="VariableInfo.html">VariableInfo</A></B></TD>
<TD>Information on the scripting variables that are created/modified by
a tag (at run-time).</TD>
</TR>
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<P>
<A NAME="package_description"><!-- --></A><H2>
Package javax.servlet.jsp.tagext Description
</H2>
<P>
Classes and interfaces for the definition of JavaServer Pages Tag Libraries.
<p>
The JavaServer Pages(tm) (JSP) 1.2 specification provides a portable
mechanism for the description of tag libraries.
<p>
A JSP tab library contains
<ul>
<li>A Tag Library Descriptor
<li>A number of Tag handler classes defining request-time behavior
<li>Additional classes and resources used at runtime
<li>Possibly some additional classes to provide extra translation information
</ul>
<p>
The JSP 1.2 specification and the reference implementation both contain
simple and moderately complex examples of actions defined using this
mechanism.
These are available at JSP's web site, at
</a href="http://java.sun.com/products/jsp">http://java.sun.com/products/jsp</a>.
Some readers may want to consult those to get a quick feel for how
the mechanisms work together.
<P>
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