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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_05) on Mon Oct 25 13:31:38 PDT 2004 --><TITLE>LoopTagStatus</TITLE><META NAME="keywords" CONTENT="javax.servlet.jsp.jstl.core.LoopTagStatus interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="LoopTagStatus";}</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="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </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/jstl/core/LoopTag.html" title="interface in javax.servlet.jsp.jstl.core"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="LoopTagStatus.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><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.servlet.jsp.jstl.core</FONT><BR>Interface LoopTagStatus</H2><HR><DL><DT>public interface <B>LoopTagStatus</B></DL><P><p>Exposes the current status of an iteration. JSTL provides a mechanism for LoopTags to return information about the current index of the iteration and convenience methods to determine whether or not the current round is either the first or last in the iteration. It also lets authors use the status object to obtain information about the iteration range, step, and current object.</p> <p>Environments that require more status can extend this interface.</p><P><P><DL><DT><B>Author:</B></DT> <DD>Shawn Bayern</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Integer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../javax/servlet/jsp/jstl/core/LoopTagStatus.html#getBegin()">getBegin</A></B>()</CODE><BR> Returns the value of the 'begin' attribute for the associated tag, or null if no 'begin' attribute was specified.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../javax/servlet/jsp/jstl/core/LoopTagStatus.html#getCount()">getCount</A></B>()</CODE><BR> Retrieves the "count" of the current round of the iteration.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../javax/servlet/jsp/jstl/core/LoopTagStatus.html#getCurrent()">getCurrent</A></B>()</CODE><BR> Retrieves the current item in the iteration.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Integer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../javax/servlet/jsp/jstl/core/LoopTagStatus.html#getEnd()">getEnd</A></B>()</CODE><BR> Returns the value of the 'end' attribute for the associated tag, or null if no 'end' attribute was specified.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../javax/servlet/jsp/jstl/core/LoopTagStatus.html#getIndex()">getIndex</A></B>()</CODE><BR> Retrieves the index of the current round of the iteration.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Integer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../javax/servlet/jsp/jstl/core/LoopTagStatus.html#getStep()">getStep</A></B>()</CODE><BR> Returns the value of the 'step' attribute for the associated tag, or null if no 'step' attribute was specified.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../javax/servlet/jsp/jstl/core/LoopTagStatus.html#isFirst()">isFirst</A></B>()</CODE><BR> Returns information about whether the current round of the iteration is the first one.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../javax/servlet/jsp/jstl/core/LoopTagStatus.html#isLast()">isLast</A></B>()</CODE><BR> Returns information about whether the current round of the iteration is the last one.</TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="getCurrent()"><!-- --></A><H3>getCurrent</H3><PRE>public java.lang.Object <B>getCurrent</B>()</PRE><DL><DD>Retrieves the current item in the iteration. Behaves idempotently; calling getCurrent() repeatedly should return the same Object until the iteration is advanced. (Specifically, calling getCurrent() does <b>not</b> advance the iteration.)<P><DD><DL><DT><B>Returns:</B><DD>the current item as an object</DL></DD></DL><HR><A NAME="getIndex()"><!-- --></A><H3>getIndex</H3><PRE>public int <B>getIndex</B>()</PRE><DL><DD>Retrieves the index of the current round of the iteration. If iteration is being performed over a subset of an underlying array, java.lang.Collection, or other type, the index returned is absolute with respect to the underlying collection. Indices are 0-based.<P><DD><DL><DT><B>Returns:</B><DD>the 0-based index of the current round of the iteration</DL></DD></DL><HR><A NAME="getCount()"><!-- --></A><H3>getCount</H3><PRE>public int <B>getCount</B>()</PRE><DL><DD><p>Retrieves the "count" of the current round of the iteration. The count is a relative, 1-based sequence number identifying the current "round" of iteration (in context with all rounds the current iteration will perform).</p> <p>As an example, an iteration with begin = 5, end = 15, and step = 5 produces the counts 1, 2, and 3 in that order.</p><P><DD><DL><DT><B>Returns:</B><DD>the 1-based count of the current round of the iteration</DL></DD></DL><HR><A NAME="isFirst()"><!-- --></A><H3>isFirst</H3><PRE>public boolean <B>isFirst</B>()</PRE><DL><DD>Returns information about whether the current round of the iteration is the first one. This current round may be the 'first' even when getIndex() != 0, for 'index' refers to the absolute index of the current 'item' in the context of its underlying collection. It is always that case that a true result from isFirst() implies getCount() == 1.<P><DD><DL><DT><B>Returns:</B><DD><tt>true</tt> if the current round is the first in the iteration, <tt>false</tt> otherwise.</DL></DD></DL><HR><A NAME="isLast()"><!-- --></A><H3>isLast</H3><PRE>public boolean <B>isLast</B>()</PRE><DL><DD>Returns information about whether the current round of the iteration is the last one. As with isFirst(), subsetting is taken into account. isLast() doesn't necessarily refer to the status of the underlying Iterator; it refers to whether or not the current round will be the final round of iteration for the tag associated with this LoopTagStatus.<P><DD><DL><DT><B>Returns:</B><DD><tt>true</tt> if the current round is the last in the iteration, <tt>false</tt> otherwise.</DL></DD></DL><HR><A NAME="getBegin()"><!-- --></A><H3>getBegin</H3><PRE>public java.lang.Integer <B>getBegin</B>()</PRE><DL><DD>Returns the value of the 'begin' attribute for the associated tag, or null if no 'begin' attribute was specified.<P><DD><DL><DT><B>Returns:</B><DD>the 'begin' value for the associated tag, or null if no 'begin' attribute was specified</DL></DD></DL><HR><A NAME="getEnd()"><!-- --></A><H3>getEnd</H3><PRE>public java.lang.Integer <B>getEnd</B>()</PRE><DL><DD>Returns the value of the 'end' attribute for the associated tag, or null if no 'end' attribute was specified.<P><DD><DL><DT><B>Returns:</B><DD>the 'end' value for the associated tag, or null if no 'end' attribute was specified</DL></DD></DL><HR><A NAME="getStep()"><!-- --></A><H3>getStep</H3><PRE>public java.lang.Integer <B>getStep</B>()</PRE><DL><DD>Returns the value of the 'step' attribute for the associated tag, or null if no 'step' attribute was specified.<P><DD><DL><DT><B>Returns:</B><DD>the 'step' value for the associated tag, or null if no 'step' attribute was specified</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><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="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </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/jstl/core/LoopTag.html" title="interface in javax.servlet.jsp.jstl.core"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="LoopTagStatus.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><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR><font size="-1">Copyright 2003 Sun Microsystems, Inc. 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