org.apache.taglibs.request
Class HeaderValuesTag

java.lang.Object
  extended byjavax.servlet.jsp.tagext.TagSupport
      extended byjavax.servlet.jsp.tagext.BodyTagSupport
          extended byorg.apache.taglibs.request.HeaderValuesTag
All Implemented Interfaces:
javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag

public class HeaderValuesTag
extends javax.servlet.jsp.tagext.BodyTagSupport

JSP Tag headerValuess, used to get HTTP header values for headers which can have multiple values such as Language using the standard JSP <jsp:getProperty> tag.

The script variable of name id is availble only within the body of the headerValues tag.

Loops through all the header values for a header.

Must be nested within a headers tag.

JSP Tag Lib Descriptor

 <name>headerValues</name>
 <tagclass>org.apache.taglibs.request.HeaderValuesTag</tagclass>
 <teiclass>org.apache.taglibs.request.HeaderValuesTEI</teiclass>
 <bodycontent>JSP</bodycontent>
 <info>Loop through all the values for a header which has multiple values.</info>
   <attribute>
     <name>id</name>
     <required>true</required>
     <rtexprvalue>false</rtexprvalue>
   </attribute>
 

Author:
Glenn Nielsen
See Also:
HeadersTag, Serialized Form

Field Summary
 
Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport
bodyContent
 
Fields inherited from class javax.servlet.jsp.tagext.TagSupport
id, pageContext
 
Fields inherited from interface javax.servlet.jsp.tagext.BodyTag
EVAL_BODY_BUFFERED, EVAL_BODY_TAG
 
Fields inherited from interface javax.servlet.jsp.tagext.IterationTag
EVAL_BODY_AGAIN
 
Fields inherited from interface javax.servlet.jsp.tagext.Tag
EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE
 
Constructor Summary
HeaderValuesTag()
           
 
Method Summary
 int doAfterBody()
          Method called at end of each headerValues tag.
 int doEndTag()
          Method called at end of Tag
 int doStartTag()
          Gets the header values for the current header.
 java.lang.String getHeader()
          Returns the value of the header.
 
Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport
doInitBody, getBodyContent, getPreviousOut, release, setBodyContent
 
Methods inherited from class javax.servlet.jsp.tagext.TagSupport
findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface javax.servlet.jsp.tagext.Tag
getParent, setPageContext, setParent
 

Constructor Detail

HeaderValuesTag

public HeaderValuesTag()
Method Detail

doStartTag

public final int doStartTag()
                     throws javax.servlet.jsp.JspException
Gets the header values for the current header.

Returns:
SKIP_BODY if no header values exist, EVAL_BODY_TAG if header values exist
Throws:
javax.servlet.jsp.JspException

doAfterBody

public final int doAfterBody()
                      throws javax.servlet.jsp.JspException
Method called at end of each headerValues tag.

Returns:
EVAL_BODY_TAG if there is another header value, or SKIP_BODY if there are no more header values
Throws:
javax.servlet.jsp.JspException

doEndTag

public final int doEndTag()
                   throws javax.servlet.jsp.JspException
Method called at end of Tag

Returns:
EVAL_PAGE
Throws:
javax.servlet.jsp.JspException

getHeader

public final java.lang.String getHeader()
Returns the value of the header.

<jsp:getProperty name="id" property="header"/>

Returns:
String - value of the header


Copyright ? 2000-2004 The Apache Software Foundation. All Rights Reserved.