org.mmbase.bridge.jsp.taglib
Class NodeReferrerTag

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

All Implemented Interfaces:

javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag

Direct Known Subclasses:

AbstractNodeProviderTag, AliasListTag, CountRelationsTag, CreateAliasTag, FieldReferrerTag, GetInfoTag, MayWriteTag, NodeInfoTag, SetContextTag, SetInfoTag

public abstract class NodeReferrerTag

extends CloudReferrerTag

A tag which is a 'NodeReferrerTag's can be the child of a NodeProvider tag, which supplies a 'Node' to its child tags. For example the FieldTag, needs the use the Node of the parent NodeProviderTag and therefore would be a NodeReferrerTag.

Author:

Michiel Meeuwissen

See Also:

Serialized Form

Fields inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag

contextId, PAGE_CATEGORY, pageContextTag, referid, writerid

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

bodyContent

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

id, 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

NodeReferrerTag()

Method Summary

NodeProvider	findNodeProvider() This method tries to find an ancestor object of type NodeProvider
NodeProvider	findNodeProvider(boolean throwexception) This method tries to find an ancestor object of type NodeProvider
protected Node	getNode() Gets the Node variable from the parent NodeProvider.
void	setNode(java.lang.String node) A NodeReferrer probably wants to supply the attribute 'node', to make it possible to refer to another node than the direct ancestor.

Methods inherited from class org.mmbase.bridge.jsp.taglib.CloudReferrerTag

findCloudProvider, findCloudProvider, getCloud, getCloudContext, getNode, getNodeOrNull, setCloud

Methods inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag

findParentTag, findParentTag, findWriter, findWriter, getAttributeBoolean, getAttributeInteger, getAttributeInteger, getAttributeValue, getContextTag, getObject, getReferid, getString, release, setContext, setPageContext, setReferid, setWriter

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

doAfterBody, doEndTag, doInitBody, doStartTag, getBodyContent, getPreviousOut, setBodyContent

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

findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, 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

Constructor Detail

NodeReferrerTag

public NodeReferrerTag()

Method Detail

setNode

public void setNode(java.lang.String node)

A NodeReferrer probably wants to supply the attribute 'node', to make it possible to refer to another node than the direct ancestor.

findNodeProvider

public NodeProvider findNodeProvider()
                              throws javax.servlet.jsp.JspTagException

This method tries to find an ancestor object of type NodeProvider

Returns:

the NodeProvider if found else an exception.

findNodeProvider

public NodeProvider findNodeProvider(boolean throwexception)
                              throws javax.servlet.jsp.JspTagException

This method tries to find an ancestor object of type NodeProvider

Returns:

the NodeProvider or null.

getNode

protected Node getNode()
                throws javax.servlet.jsp.JspTagException

Gets the Node variable from the parent NodeProvider.

Returns:

a org.mmbase.bridge.Node