net.ontopia.topicmaps.nav2.taglibs.value

Class BaseValueProducingAndAcceptingTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

net.ontopia.topicmaps.nav2.taglibs.value.BaseValueProducingTag

net.ontopia.topicmaps.nav2.taglibs.value.BaseValueProducingAndAcceptingTag

All Implemented Interfaces:

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

Direct Known Subclasses:

BaseScopedTag, ClassesOfTag, FilterTag, IndicatorsTag, InstancesTag, LocatorTag, LookupTag, NameTag, ReifiedTag, ReifierTag, ScopeTag, SourceLocatorsTag, SplitterTag, SubclassesTag, SubjectAddressTag, SuperclassesTag, TopicsTag

public abstract class BaseValueProducingAndAcceptingTag
extends BaseValueProducingTag
implements ValueProducingTagIF, ValueAcceptingTagIF

INTERNAL: Abstract super-class of a tag that is both value-producing and value-accepting. Note: Not all value producing tags are manipulating collections, so this is not the base class of all value producing tags. Exceptions are StringTag and ClassesTag.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected ContextTag	contextTag
protected Collection	inputCollection

Fields inherited from class net.ontopia.topicmaps.nav2.taglibs.value.BaseValueProducingTag

variableName

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

Constructors

Constructor and Description
BaseValueProducingAndAcceptingTag()

Method Summary

Modifier and Type	Method and Description
void	accept(Collection inputCollection) Accepts input collection and make it accessible for tag.
int	doEndTag() Process the end tag.
int	doStartTag() Process the start tag for this instance.
protected Collection	getInputCollection(ContextManagerIF ctxtMgr) INTERNAL: Return inputCollection if it was already set, then call implementation from superclass.

Methods inherited from class net.ontopia.topicmaps.nav2.taglibs.value.BaseValueProducingTag

release, setOf

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

doAfterBody, 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

Methods inherited from interface net.ontopia.topicmaps.nav2.core.ValueProducingTagIF

process

Field Detail

contextTag

protected ContextTag contextTag

inputCollection

protected Collection inputCollection

Constructor Detail

BaseValueProducingAndAcceptingTag

public BaseValueProducingAndAcceptingTag()

Method Detail

doStartTag

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

Process the start tag for this instance.

Specified by:

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

Overrides:

doStartTag in class BaseValueProducingTag

Throws:

javax.servlet.jsp.JspTagException

doEndTag

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

Process the end tag. Subclasses implementing this method must clear member variables.

Specified by:

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

Overrides:

doEndTag in class BaseValueProducingTag

Throws:

javax.servlet.jsp.JspException

getInputCollection

protected Collection getInputCollection(ContextManagerIF ctxtMgr)
                                 throws NavigatorRuntimeException

INTERNAL: Return inputCollection if it was already set, then call implementation from superclass.

Overrides:

getInputCollection in class BaseValueProducingTag

Throws:

NavigatorRuntimeException

accept

public void accept(Collection inputCollection)

Description copied from interface: ValueAcceptingTagIF

Accepts input collection and make it accessible for tag.

Specified by:

accept in interface ValueAcceptingTagIF