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HeaderTag (Apache Struts API Documentation)
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org.apache.struts.taglib.bean</FONT>
<BR>
Class HeaderTag</H2>
<PRE>
java.lang.Object
|
+--javax.servlet.jsp.tagext.TagSupport
|
+--<B>org.apache.struts.taglib.bean.HeaderTag</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, javax.servlet.jsp.tagext.Tag</DD>
</DL>
<HR>
<DL>
<DT>public class <B>HeaderTag</B><DT>extends javax.servlet.jsp.tagext.TagSupport</DL>
<P>
Define a scripting variable based on the value(s) of the specified
header received with this request.
<P>
<P>
<DL>
<DT><B>Version:</B></DT>
<DD>$Revision: 1.1 $ $Date$</DD>
<DT><B>Author:</B></DT>
<DD>Craig R. McClanahan</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../../serialized-form.html" TARGET="org.apache.struts.taglib.bean.HeaderTag">Serialized Form</A></DL>
<HR>
<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->
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<B>Field Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#id">id</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The name of the scripting variable that will be exposed as a page
scope attribute.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static&nbsp;<A HREF="../../../../../org/apache/struts/util/MessageResources.html">MessageResources</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#messages">messages</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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 &nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#multiple">multiple</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return an array of header values if <code>multiple</code> is non-null.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#name">name</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The name of the header whose value is to be exposed.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#value">value</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The default value to return if no header of the specified name is found.</TD>
</TR>
</TABLE>
&nbsp;<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</CODE></TD>
</TR>
</TABLE>
&nbsp;<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>
&nbsp;
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#HeaderTag()">HeaderTag</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#doStartTag()">doStartTag</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Retrieve the required property and expose it as a scripting variable.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#getId()">getId</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#getMultiple()">getMultiple</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#getName()">getName</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#getValue()">getValue</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#release()">release</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Release all allocated resources.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#setId(java.lang.String)">setId</A></B>(java.lang.String&nbsp;id)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#setMultiple(java.lang.String)">setMultiple</A></B>(java.lang.String&nbsp;multiple)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#setName(java.lang.String)">setName</A></B>(java.lang.String&nbsp;name)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/taglib/bean/HeaderTag.html#setValue(java.lang.String)">setValue</A></B>(java.lang.String&nbsp;value)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
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<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class javax.servlet.jsp.tagext.TagSupport</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>doEndTag, findAncestorWithClass, getParent, getValue, getValues, removeValue, setPageContext, setParent, setValue</CODE></TD>
</TR>
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&nbsp;
<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>
<DD>The name of the scripting variable that will be exposed as a page
scope attribute.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="messages"><!-- --></A><H3>
messages</H3>
<PRE>
protected static <A HREF="../../../../../org/apache/struts/util/MessageResources.html">MessageResources</A> <B>messages</B></PRE>
<DL>
<DD>The message resources for this package.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="multiple"><!-- --></A><H3>
multiple</H3>
<PRE>
protected java.lang.String <B>multiple</B></PRE>
<DL>
<DD>Return an array of header values if <code>multiple</code> is non-null.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="name"><!-- --></A><H3>
name</H3>
<PRE>
protected java.lang.String <B>name</B></PRE>
<DL>
<DD>The name of the header whose value is to be exposed.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="value"><!-- --></A><H3>
value</H3>
<PRE>
protected java.lang.String <B>value</B></PRE>
<DL>
<DD>The default value to return if no header of the specified name is found.
<P>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="HeaderTag()"><!-- --></A><H3>
HeaderTag</H3>
<PRE>
public <B>HeaderTag</B>()</PRE>
<DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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<A NAME="getId()"><!-- --></A><H3>
getId</H3>
<PRE>
public java.lang.String <B>getId</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>getId</CODE> in class <CODE>javax.servlet.jsp.tagext.TagSupport</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setId(java.lang.String)"><!-- --></A><H3>
setId</H3>
<PRE>
public void <B>setId</B>(java.lang.String&nbsp;id)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>setId</CODE> in class <CODE>javax.servlet.jsp.tagext.TagSupport</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getMultiple()"><!-- --></A><H3>
getMultiple</H3>
<PRE>
public java.lang.String <B>getMultiple</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setMultiple(java.lang.String)"><!-- --></A><H3>
setMultiple</H3>
<PRE>
public void <B>setMultiple</B>(java.lang.String&nbsp;multiple)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getName()"><!-- --></A><H3>
getName</H3>
<PRE>
public java.lang.String <B>getName</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setName(java.lang.String)"><!-- --></A><H3>
setName</H3>
<PRE>
public void <B>setName</B>(java.lang.String&nbsp;name)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getValue()"><!-- --></A><H3>
getValue</H3>
<PRE>
public java.lang.String <B>getValue</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setValue(java.lang.String)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <B>setValue</B>(java.lang.String&nbsp;value)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="doStartTag()"><!-- --></A><H3>
doStartTag</H3>
<PRE>
public int <B>doStartTag</B>()
throws javax.servlet.jsp.JspException</PRE>
<DL>
<DD>Retrieve the required property and expose it as a scripting variable.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>doStartTag</CODE> in interface <CODE>javax.servlet.jsp.tagext.Tag</CODE><DT><B>Overrides:</B><DD><CODE>doStartTag</CODE> in class <CODE>javax.servlet.jsp.tagext.TagSupport</CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE>javax.servlet.jsp.JspException</CODE> - if a JSP exception has occurred</DL>
</DD>
</DL>
<HR>
<A NAME="release()"><!-- --></A><H3>
release</H3>
<PRE>
public void <B>release</B>()</PRE>
<DL>
<DD>Release all allocated resources.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>release</CODE> in interface <CODE>javax.servlet.jsp.tagext.Tag</CODE><DT><B>Overrides:</B><DD><CODE>release</CODE> in class <CODE>javax.servlet.jsp.tagext.TagSupport</CODE></DL>
</DD>
<DD><DL>
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