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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2) on Thu Oct 16 19:57:34 EDT 2003 --><TITLE>javax.servlet.jsp.tagext (JavaServer Pages API Documentation)</TITLE><META NAME="keywords" CONTENT="javax.servlet.jsp.tagext package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="javax.servlet.jsp.tagext (JavaServer Pages API Documentation)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-use.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../javax/servlet/jsp/el/package-summary.html"><B>PREV PACKAGE</B></A> NEXT PACKAGE</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="package-summary.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><H2>Package javax.servlet.jsp.tagext</H2>Classes and interfaces for the definition of JavaServer Pages Tag Libraries.<P><B>See:</B><BR> <A HREF="#package_description"><B>Description</B></A><P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Interface Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/BodyTag.html" title="interface in javax.servlet.jsp.tagext">BodyTag</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="../../../../javax/servlet/jsp/tagext/DynamicAttributes.html" title="interface in javax.servlet.jsp.tagext">DynamicAttributes</A></B></TD><TD>For a tag to declare that it accepts dynamic attributes, it must implement this interface.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/IterationTag.html" title="interface in javax.servlet.jsp.tagext">IterationTag</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="../../../../javax/servlet/jsp/tagext/JspTag.html" title="interface in javax.servlet.jsp.tagext">JspTag</A></B></TD><TD>Serves as a base class for Tag and SimpleTag.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/SimpleTag.html" title="interface in javax.servlet.jsp.tagext">SimpleTag</A></B></TD><TD>Interface for defining Simple Tag Handlers.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/Tag.html" title="interface in javax.servlet.jsp.tagext">Tag</A></B></TD><TD>The interface of a classic tag handler that does not want to manipulate its body.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/TryCatchFinally.html" title="interface in javax.servlet.jsp.tagext">TryCatchFinally</A></B></TD><TD>The auxiliary interface of a Tag, IterationTag or BodyTag tag handler that wants additional hooks for managing resources.</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Class Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/BodyContent.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/BodyTagSupport.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/FunctionInfo.html" title="class in javax.servlet.jsp.tagext">FunctionInfo</A></B></TD><TD>Information for a function in a Tag Library.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/JspFragment.html" title="class in javax.servlet.jsp.tagext">JspFragment</A></B></TD><TD>Encapsulates a portion of JSP code in an object that can be invoked as many times as needed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/PageData.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/SimpleTagSupport.html" title="class in javax.servlet.jsp.tagext">SimpleTagSupport</A></B></TD><TD>A base class for defining tag handlers implementing SimpleTag.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/TagAdapter.html" title="class in javax.servlet.jsp.tagext">TagAdapter</A></B></TD><TD>Wraps any SimpleTag and exposes it using a Tag interface.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/TagAttributeInfo.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/TagData.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/TagExtraInfo.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/TagFileInfo.html" title="class in javax.servlet.jsp.tagext">TagFileInfo</A></B></TD><TD>Tag information for a tag file 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="../../../../javax/servlet/jsp/tagext/TagInfo.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/TagLibraryInfo.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/TagLibraryValidator.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/TagSupport.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/TagVariableInfo.html" title="class in javax.servlet.jsp.tagext">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="../../../../javax/servlet/jsp/tagext/ValidationMessage.html" title="class in javax.servlet.jsp.tagext">ValidationMessage</A></B></TD><TD>A validation message from either TagLibraryValidator or TagExtraInfo.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../javax/servlet/jsp/tagext/VariableInfo.html" title="class in javax.servlet.jsp.tagext">VariableInfo</A></B></TD><TD>Information on the scripting variables that are created/modified by a tag (at run-time).</TD></TR></TABLE> <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) 2.0 specification provides a portablemechanism for the description of tag libraries.<p>A JSP tag library contains<ul><li>A Tag Library Descriptor</li><li>A number of Tag Files or Tag handler classes defining request-time behavior</li><li>Additional classes and resources used at runtime</li><li>Possibly some additional classes to provide extra translation information</li></ul><p>The JSP 2.0 specification and the reference implementation both containsimple and moderately complex examples of actions defined using thismechanism. 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 howthe mechanisms work together.<P><P><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-use.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../javax/servlet/jsp/el/package-summary.html"><B>PREV PACKAGE</B></A> NEXT PACKAGE</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="package-summary.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR>Copyright © 1999-2002 The Apache Software Foundation. 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