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Apache Struts API Documentation: Class IterateTag
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SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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org.apache.struts.taglib.logic</FONT>
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Class IterateTag</H2>
<PRE>
java.lang.Object
|
+--javax.servlet.jsp.tagext.TagSupport
|
+--javax.servlet.jsp.tagext.BodyTagSupport
|
+--<B>org.apache.struts.taglib.logic.IterateTag</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>javax.servlet.jsp.tagext.BodyTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag</DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../org/apache/struts/taglib/nested/logic/NestedIterateTag.html">NestedIterateTag</A></DD>
</DL>
<HR>
<DL>
<DT>public class <B>IterateTag</B><DT>extends javax.servlet.jsp.tagext.BodyTagSupport</DL>
<P>
Custom tag that iterates the elements of a collection, which can be either an attribute or the property of an attribute. The collection can be any of the following: an array of objects, an Enumeration, an Iterator, a Collection (which includes Lists, Sets and Vectors), or a Map (which includes Hashtables) whose elements will be iterated over.
<P>
<DL>
<DT><B>Version: </B><DD>$Rev: 56513 $ $Date: 2004-11-03 19:20:47 +0000 (Wed, 03 Nov 2004) $</DD>
<DT><B>See Also: </B><DD><A HREF="../../../../../serialized-form.html#org.apache.struts.taglib.logic.IterateTag">Serialized Form</A></DL>
<HR>
<P>
<!-- ======== INNER CLASS SUMMARY ======== -->
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TD>
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<CODE>protected java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#collection">collection</A></B></CODE>
<BR>
The collection over which we will be iterating.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#id">id</A></B></CODE>
<BR>
The name of the scripting variable to be exposed.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#indexId">indexId</A></B></CODE>
<BR>
The name of the scripting variable to be exposed as the current index.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.util.Iterator</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#iterator">iterator</A></B></CODE>
<BR>
Iterator of the elements of this collection, while we are actually running.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#length">length</A></B></CODE>
<BR>
The length value or attribute name (<=0 means no limit).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#lengthCount">lengthCount</A></B></CODE>
<BR>
The number of elements we have already rendered.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#lengthValue">lengthValue</A></B></CODE>
<BR>
The actual length value (calculated in the start tag).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static <A HREF="../../../../../org/apache/struts/util/MessageResources.html">MessageResources</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#messages">messages</A></B></CODE>
<BR>
The message resources for this package.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#name">name</A></B></CODE>
<BR>
The name of the collection or owning bean.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#offset">offset</A></B></CODE>
<BR>
The starting offset (zero relative).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#offsetValue">offsetValue</A></B></CODE>
<BR>
The actual offset value (calculated in the start tag).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#property">property</A></B></CODE>
<BR>
The property name containing the collection.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#scope">scope</A></B></CODE>
<BR>
The scope of the bean specified by the name property, if any.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#started">started</A></B></CODE>
<BR>
Has this tag instance been started?</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#type">type</A></B></CODE>
<BR>
The Java class of each exposed element of the collection.</TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_javax.servlet.jsp.tagext.BodyTagSupport"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>bodyContent</CODE></TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_javax.servlet.jsp.tagext.TagSupport"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Fields inherited from class javax.servlet.jsp.tagext.TagSupport</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>pageContext, parent, values</CODE></TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_javax.servlet.jsp.tagext.BodyTag"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Fields inherited from interface javax.servlet.jsp.tagext.BodyTag</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>EVAL_BODY_TAG</CODE></TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_javax.servlet.jsp.tagext.Tag"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Fields inherited from interface javax.servlet.jsp.tagext.Tag</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE</CODE></TD>
</TR>
</TABLE>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#IterateTag()">IterateTag</A></B>()</CODE>
<BR>
</TD>
</TR>
</TABLE>
<!-- ========== METHOD SUMMARY =========== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/logic/IterateTag.html#doAfterBody()">doAfterBody</A></B>()</CODE>
<BR>
Make the next collection element available and loop, or finish the iterations if there are no more elements.</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="../../../../../org/apache/struts/taglib/logic/IterateTag.html#doEndTag()">doEndTag</A></B>()</CODE>
<BR>
Clean up after processing this enumeration.</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="../../../../../org/apache/struts/taglib/logic/IterateTag.html#doStartTag()">doStartTag</A></B>()</CODE>
<BR>
Construct an iterator for the specified collection, and begin looping through the body once per element.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
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