tagsupport.html
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Java 2 Platform EE v1.3: Class TagSupport
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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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javax.servlet.jsp.tagext</FONT>
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Class TagSupport</H2>
<PRE>
java.lang.Object
|
+--<B>javax.servlet.jsp.tagext.TagSupport</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../javax/servlet/jsp/tagext/IterationTag.html">IterationTag</A>, java.io.Serializable, <A HREF="../../../../javax/servlet/jsp/tagext/Tag.html">Tag</A></DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../javax/servlet/jsp/tagext/BodyTagSupport.html">BodyTagSupport</A></DD>
</DL>
<HR>
<DL>
<DT>public class <B>TagSupport</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../javax/servlet/jsp/tagext/IterationTag.html">IterationTag</A>, java.io.Serializable</DL>
<P>
A base class for defining new tag handlers implementing Tag.
<p> The TagSupport class is a utility class intended to be used as
the base class for new tag handlers. The TagSupport class
implements the Tag and IterationTag interfaces and adds additional
convenience methods including getter methods for the properties in
Tag. TagSupport has one static method that is included to
facilitate coordination among cooperating tags.
<p> Many tag handlers will extend TagSupport and only redefine a
few methods.
<P>
<DL>
<DT><B>See Also: </B><DD><A HREF="../../../../serialized-form.html#javax.servlet.jsp.tagext.TagSupport">Serialized Form</A></DL>
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<P>
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<B>Field Summary</B></FONT></TD>
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<CODE>protected java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#id">id</A></B></CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected <A HREF="../../../../javax/servlet/jsp/PageContext.html">PageContext</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#pageContext">pageContext</A></B></CODE>
<BR>
</TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_javax.servlet.jsp.tagext.IterationTag"><!-- --></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.<A HREF="../../../../javax/servlet/jsp/tagext/IterationTag.html">IterationTag</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../javax/servlet/jsp/tagext/IterationTag.html#EVAL_BODY_AGAIN">EVAL_BODY_AGAIN</A></CODE></TD>
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<A NAME="fields_inherited_from_class_javax.servlet.jsp.tagext.Tag"><!-- --></A>
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<TD><B>Fields inherited from interface javax.servlet.jsp.tagext.<A HREF="../../../../javax/servlet/jsp/tagext/Tag.html">Tag</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../javax/servlet/jsp/tagext/Tag.html#EVAL_BODY_INCLUDE">EVAL_BODY_INCLUDE</A>, <A HREF="../../../../javax/servlet/jsp/tagext/Tag.html#EVAL_PAGE">EVAL_PAGE</A>, <A HREF="../../../../javax/servlet/jsp/tagext/Tag.html#SKIP_BODY">SKIP_BODY</A>, <A HREF="../../../../javax/servlet/jsp/tagext/Tag.html#SKIP_PAGE">SKIP_PAGE</A></CODE></TD>
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<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#TagSupport()">TagSupport</A></B>()</CODE>
<BR>
Default constructor, all subclasses are required to define only
a public constructor with the same signature, and to call the
superclass constructor.</TD>
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<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#doAfterBody()">doAfterBody</A></B>()</CODE>
<BR>
Default processing for a body</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/tagext/TagSupport.html#doEndTag()">doEndTag</A></B>()</CODE>
<BR>
Default processing of the end tag returning EVAL_PAGE.</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/tagext/TagSupport.html#doStartTag()">doStartTag</A></B>()</CODE>
<BR>
Default processing of the start tag, returning SKIP_BODY.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../javax/servlet/jsp/tagext/Tag.html">Tag</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#findAncestorWithClass(javax.servlet.jsp.tagext.Tag, java.lang.Class)">findAncestorWithClass</A></B>(<A HREF="../../../../javax/servlet/jsp/tagext/Tag.html">Tag</A> from,
java.lang.Class klass)</CODE>
<BR>
Find the instance of a given class type that is closest to a given
instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#getId()">getId</A></B>()</CODE>
<BR>
The value of the id attribute of this tag; or null.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../javax/servlet/jsp/tagext/Tag.html">Tag</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#getParent()">getParent</A></B>()</CODE>
<BR>
The Tag instance most closely enclosing this tag instance.</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/tagext/TagSupport.html#getValue(java.lang.String)">getValue</A></B>(java.lang.String k)</CODE>
<BR>
Get a the value associated with a key.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#getValues()">getValues</A></B>()</CODE>
<BR>
Enumerate the values kept by this tag handler.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#release()">release</A></B>()</CODE>
<BR>
Release state.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#removeValue(java.lang.String)">removeValue</A></B>(java.lang.String k)</CODE>
<BR>
Remove a value associated with a key.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#setId(java.lang.String)">setId</A></B>(java.lang.String id)</CODE>
<BR>
Set the id attribute for this tag.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#setPageContext(javax.servlet.jsp.PageContext)">setPageContext</A></B>(<A HREF="../../../../javax/servlet/jsp/PageContext.html">PageContext</A> pageContext)</CODE>
<BR>
Set the page context.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#setParent(javax.servlet.jsp.tagext.Tag)">setParent</A></B>(<A HREF="../../../../javax/servlet/jsp/tagext/Tag.html">Tag</A> t)</CODE>
<BR>
Set the nesting tag of this tag.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../javax/servlet/jsp/tagext/TagSupport.html#setValue(java.lang.String, java.lang.Object)">setValue</A></B>(java.lang.String k,
java.lang.Object o)</CODE>
<BR>
Associate a value with a String key.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
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<B>Field Detail</B></FONT></TD>
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<A NAME="id"><!-- --></A><H3>
id</H3>
<PRE>
protected java.lang.String <B>id</B></PRE>
<DL>
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