org.mmbase.bridge.jsp.taglib

Class IsNullTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

javax.servlet.jsp.tagext.BodyTagSupport

org.mmbase.bridge.jsp.taglib.ContextReferrerTag

org.mmbase.bridge.jsp.taglib.CloudReferrerTag

org.mmbase.bridge.jsp.taglib.NodeReferrerTag

org.mmbase.bridge.jsp.taglib.FieldReferrerTag

org.mmbase.bridge.jsp.taglib.IsNullTag

All Implemented Interfaces:

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

public class IsNullTag
extends FieldReferrerTag
implements Condition

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

Since:

MMBase-1.9.1

Version:

$Id$

Author:

Michiel Meeuwissen

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
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

element, 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

Constructors

Constructor and Description
IsNullTag()

Method Summary

Modifier and Type	Method and Description
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, getTimer, 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 javax.servlet.jsp.JspTagException

Description copied from interface: Condition

This attribute inverses the sense of the condition.

Specified by:

setInverse in interface Condition

Throws:

javax.servlet.jsp.JspTagException

setName

public void setName(String n)
             throws javax.servlet.jsp.JspTagException

Throws:

javax.servlet.jsp.JspTagException

getInverse

protected boolean getInverse()
                      throws javax.servlet.jsp.JspTagException

Throws:

javax.servlet.jsp.JspTagException

doStartTag

public int doStartTag()
               throws javax.servlet.jsp.JspException

Specified by:

doStartTag in interface javax.servlet.jsp.tagext.Tag

Overrides:

doStartTag in class NodeReferrerTag

Throws:

javax.servlet.jsp.JspException

doAfterBody

public int doAfterBody()
                throws javax.servlet.jsp.JspTagException

Specified by:

doAfterBody in interface javax.servlet.jsp.tagext.IterationTag

Overrides:

doAfterBody in class javax.servlet.jsp.tagext.BodyTagSupport

Throws:

javax.servlet.jsp.JspTagException