info.magnolia.cms.taglibs
Class IfExisting

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      info.magnolia.cms.taglibs.BaseContentTag
          info.magnolia.cms.taglibs.BaseConditionalContentTag
              info.magnolia.cms.taglibs.IfExisting

All Implemented Interfaces:

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

Direct Known Subclasses:

IfNotExisting

public class IfExisting
extends BaseConditionalContentTag

This is exactly the opposite of the ifNotExisting Tag.

Version:

$Revision $ ($Author $)

Author:

Michael Aemisegger

See Also:

Serialized Form

Field Summary

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

IfExisting()

Method Summary

protected boolean	condition() Subclasses implement this method to compute the boolean result of the conditional action.
void	setNodeDataName(String name) Set the node data name, e.g.

Methods inherited from class info.magnolia.cms.taglibs.BaseConditionalContentTag

doStartTag

Methods inherited from class info.magnolia.cms.taglibs.BaseContentTag

getContentNode, getContentNodeCollectionName, getContentNodeName, getCurrentPage, getFirstMatchingNode, getFirtMatchingNode, getNodeDataName, getPath, getRepository, getUuid, isActpage, release, resolveNode, setActpage, setContentNode, setContentNodeCollectionName, setContentNodeName, setInherit, setPath, setRepository, setUuid

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

doAfterBody, doEndTag, 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

Constructor Detail

IfExisting

public IfExisting()

Method Detail

setNodeDataName

public void setNodeDataName(String name)

Description copied from class: BaseContentTag

Set the node data name, e.g. "mainText".

Overrides:

setNodeDataName in class BaseContentTag

Parameters:

name - , antom name to evaluate

condition

protected boolean condition()

Description copied from class: BaseConditionalContentTag

Subclasses implement this method to compute the boolean result of the conditional action. This method is invoked once per tag invocation by doStartTag().

Specified by:

condition in class BaseConditionalContentTag

Returns:

a boolean representing the condition that a particular subclass uses to drive its conditional logic.