org.apache.wiki.tags

Class VariableTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

org.apache.wiki.tags.WikiTagBase

org.apache.wiki.tags.VariableTag

All Implemented Interfaces:

Serializable, javax.servlet.jsp.tagext.IterationTag, javax.servlet.jsp.tagext.JspTag, javax.servlet.jsp.tagext.Tag, javax.servlet.jsp.tagext.TryCatchFinally

public class VariableTag
extends WikiTagBase

Returns the value of an Wiki variable.

Attributes

• var - Name of the variable. Required.
• default - Revert to this value, if the value of "var" is null. If left out, this tag will produce a concise error message if the named variable is not found. Set to empty (default="") to hide the message.

A default value implies failmode='quiet'.

Since:

2.0

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.wiki.tags.WikiTagBase

ATTR_CONTEXT, m_wikiContext

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

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

Constructors

Constructor and Description
VariableTag()

Method Summary

Methods

Modifier and Type	Method and Description
int	doWikiStartTag() This method is allowed to do pretty much whatever he wants.
String	getVar()
void	initTag() This method is called when the tag is encountered within a new request, but before the setXXX() methods are called.
void	setDefault(String arg)
void	setVar(String arg)

Methods inherited from class org.apache.wiki.tags.WikiTagBase

doCatch, doEndTag, doFinally, doStartTag, setId, setPageContext

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setParent, setValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VariableTag

public VariableTag()

Method Detail

initTag

public void initTag()

Description copied from class: WikiTagBase

This method is called when the tag is encountered within a new request, but before the setXXX() methods are called. The default implementation does nothing.

Overrides:

initTag in class WikiTagBase

getVar

public String getVar()

setVar

public void setVar(String arg)

setDefault

public void setDefault(String arg)

doWikiStartTag

public final int doWikiStartTag()
                         throws javax.servlet.jsp.JspException,
                                IOException

Description copied from class: WikiTagBase

This method is allowed to do pretty much whatever he wants. We then catch all mistakes.

Specified by:

doWikiStartTag in class WikiTagBase

Throws:

javax.servlet.jsp.JspException

IOException