Package 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:
java.io.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
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Field Summary
Fields inherited from class org.apache.wiki.tags.WikiTagBase
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
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Constructor Summary
Constructors Constructor Description VariableTag()
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Method Summary
Modifier and Type Method Description int
doWikiStartTag()
This method is allowed to do pretty much whatever he wants.java.lang.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(java.lang.String arg)
void
setVar(java.lang.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
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Constructor Details
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VariableTag
public VariableTag()
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Method Details
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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 classWikiTagBase
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getVar
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setVar
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setDefault
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doWikiStartTag
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 classWikiTagBase
- Throws:
javax.servlet.jsp.JspException
java.io.IOException
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