org.mmbase.bridge.jsp.taglib
Class IsNullTag

java.lang.Object
  extended by javax.servlet.jsp.tagext.TagSupport
      extended by javax.servlet.jsp.tagext.BodyTagSupport
          extended by org.mmbase.bridge.jsp.taglib.ContextReferrerTag
              extended by org.mmbase.bridge.jsp.taglib.CloudReferrerTag
                  extended by org.mmbase.bridge.jsp.taglib.NodeReferrerTag
                      extended by org.mmbase.bridge.jsp.taglib.FieldReferrerTag
                          extended by org.mmbase.bridge.jsp.taglib.IsNullTag
All Implemented Interfaces:
Serializable, BodyTag, IterationTag, JspTag, Tag, TryCatchFinally, Condition

public class IsNullTag
extends FieldReferrerTag
implements Condition

Straight-forward wrapper arround Node.isNull(java.lang.String).

Since:
MMBase-1.9.1
Version:
$Id: IsNullTag.java 35335 2009-05-21 08:14:41Z michiel $
Author:
Michiel Meeuwissen
See Also:
Serialized Form

Field Summary
protected  Attribute inverse
           
protected  Attribute name
           
 
Fields inherited from class org.mmbase.bridge.jsp.taglib.FieldReferrerTag
parentFieldId
 
Fields inherited from class org.mmbase.bridge.jsp.taglib.NodeReferrerTag
parentNodeId
 
Fields inherited from class org.mmbase.bridge.jsp.taglib.CloudReferrerTag
cloudId
 
Fields inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag
contextId, EVAL_BODY, helper, id, pageContextTag, referid, writerid
 
Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport
bodyContent
 
Fields inherited from class javax.servlet.jsp.tagext.TagSupport
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
IsNullTag()
           
 
Method Summary
 int doAfterBody()
           
 int doStartTag()
           
protected  boolean getInverse()
           
 void setInverse(String b)
          This attribute inverses the sense of the condition.
 void setName(String n)
           
 
Methods inherited from class org.mmbase.bridge.jsp.taglib.FieldReferrerTag
findFieldProvider, findFieldProvider, getField, setField
 
Methods inherited from class org.mmbase.bridge.jsp.taglib.NodeReferrerTag
doEndTag, fillStandardParameters, findNode, findNodeProvider, findNodeProvider, getCloudVar, getLocale, getNode, getNode, getNodeFromPageContext, initTag, setElement, setNode
 
Methods inherited from class org.mmbase.bridge.jsp.taglib.CloudReferrerTag
findCloudProvider, findCloudProvider, getCloudContext, getNode, getNodeOrNull, setCloud
 
Methods inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag
appendMoreParameters, doCatch, doFinally, findLoopOrQuery, findParentTag, findParentTag, findWriter, findWriter, getAttribute, getAttribute, getAttributeBoolean, getAttributeInteger, getAttributeInteger, getAttributeValue, getContentTag, getContextProvider, getContextTag, getCurrentBlock, getDefaultLocale, getEscapedValue, getFormTag, getId, getLocaleFromContext, getObject, getObjectConditional, getPageContext, getPageContextTag, getQuery, getReferid, getString, getTaglibVersion, getThreadPageContext, getTimeZone, getWriterValue, haveBody, release, setContext, setEscape, setId, setJspvar, setListdelimiter, setPageContext, setPageContextOnly, setReferid, setVartype, setWrite, setWriter
 
Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport
doInitBody, getBodyContent, getPreviousOut, setBodyContent
 
Methods inherited from class javax.servlet.jsp.tagext.TagSupport
findAncestorWithClass, getParent, getValue, getValues, removeValue, 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, setParent
 

Field Detail

inverse

protected Attribute inverse

name

protected Attribute name
Constructor Detail

IsNullTag

public IsNullTag()
Method Detail

setInverse

public void setInverse(String b)
                throws JspTagException
Description copied from interface: Condition
This attribute inverses the sense of the condition.

Specified by:
setInverse in interface Condition
Throws:
JspTagException

setName

public void setName(String n)
             throws JspTagException
Throws:
JspTagException

getInverse

protected boolean getInverse()
                      throws JspTagException
Throws:
JspTagException

doStartTag

public int doStartTag()
               throws JspException
Specified by:
doStartTag in interface Tag
Overrides:
doStartTag in class NodeReferrerTag
Throws:
JspException

doAfterBody

public int doAfterBody()
                throws JspTagException
Specified by:
doAfterBody in interface IterationTag
Overrides:
doAfterBody in class BodyTagSupport
Throws:
JspTagException


MMBase 2.0-SNAPSHOT - null