AbstractFunctionTag (MMBase API)

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org.mmbase.bridge.jsp.taglib.functions
Class AbstractFunctionTag

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.functions.AbstractFunctionTag

All Implemented Interfaces:: BodyTag, IterationTag, Serializable, Tag

Direct Known Subclasses:: BooleanFunctionTag, FunctionContainerTag, FunctionTag, HasFunctionTag, ListFunctionTag, NodeFunctionTag, NodeListFunctionTag, VoidFunctionTag

public abstract class AbstractFunctionTag
extends NodeReferrerTag

The function tags can be used as a child of a 'NodeProvider' tag (though posisbly not on clusternodes). It can also be used stand alone, when using the attributes to specify on which object the function must be called (besides nodes, it can be called on node-manager, modules, sets). This is the absctract implementation, providing only the result of the function. The several extensions cast to the right type, and handle it on a specific way.

Since:: MMBase-1.7
Version:: $Id: AbstractFunctionTag.java,v 1.27 2006/05/17 13:26:07 michiel Exp $
Author:: Michiel Meeuwissen
See Also:: Serialized Form

Field Summary
`protected Attribute`	`container`
`protected Attribute`	`functionClass`
`protected Attribute`	`functionSet`
`protected Attribute`	`module`
`protected Attribute`	`name`
`protected Attribute`	`nodeManager`
`protected Attribute`	`parametersAttr`
`protected Attribute`	`referids`
`static String`	`THISPAGE`

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

parentNodeId

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
`AbstractFunctionTag()`

Method Summary
`protected Function`	`getFunction()`
`protected Function`	`getFunction(String functionName)` Gets function object, and checks consistency of attributes.
`protected Object`	`getFunctionValue()`
`protected Object`	`getFunctionValue(boolean register)`
`void`	`setClassname(String c)`
`void`	`setContainer(String c)`
`void`	`setModule(String m)`
`void`	`setName(String n)`
`void`	`setNodemanager(String n)`
`void`	`setParameters(String p)`
`void`	`setReferids(String r)`
`void`	`setSet(String s)`

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

fillStandardParameters, findNodeProvider, findNodeProvider, getLocale, getNode, setElement, setNode

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

findCloudProvider, findCloudProvider, getCloudContext, getCloudVar, getNode, getNodeOrNull, setCloud

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

doEndTag, findLoopOrQuery, findParentTag, findParentTag, findParentTag, findParentTag, findWriter, findWriter, getAttribute, getAttributeBoolean, getAttributeInteger, getAttributeInteger, getAttributeValue, getContentTag, getContextProvider, getContextTag, getDefaultLocale, getEscapedValue, getId, getObject, getObjectConditional, getPageContext, getPageContextTag, getReferid, getString, getTaglibVersion, getTimeZone, getWriterValue, haveBody, release, setContext, setEscape, setId, setJspvar, setListdelimiter, setPageContext, setReferid, setVartype, setWrite, setWriter

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

doAfterBody, doInitBody, doStartTag, 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

THISPAGE

public static final String THISPAGE

See Also:: Constant Field Values

container

protected Attribute container

name

protected Attribute name

parametersAttr

protected Attribute parametersAttr

module

protected Attribute module

nodeManager

protected Attribute nodeManager

functionSet

protected Attribute functionSet

functionClass

protected Attribute functionClass

referids

protected Attribute referids

Constructor Detail