org.apache.struts.taglib.bean
Class SizeTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      org.apache.struts.taglib.bean.SizeTag

All Implemented Interfaces:

Serializable, IterationTag, Tag

Direct Known Subclasses:

ELSizeTag, NestedSizeTag

public class SizeTag
extends TagSupport

Define a scripting variable that will contain the number of elements found in a specified array, Collection, or Map.

Version:

$Rev: 471754 $ $Date: 2004-10-16 12:38:42 -0400 (Sat, 16 Oct 2004) $

See Also:

Serialized Form

Field Summary

protected Object	collection The actual collection to be counted.
protected String	id The name of the scripting variable that will be exposed as a page scope attribute.
protected static MessageResources	messages The message resources for this package.
protected String	name The name of the bean owning the property to be counted.
protected String	property The name of the property to be retrieved.
protected String	scope The scope within which to search for the specified bean.

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

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

SizeTag()

Method Summary

int	doStartTag() Retrieve the required property and expose it as a scripting variable.
Object	getCollection()
String	getId()
String	getName()
String	getProperty()
String	getScope()
void	release() Release all allocated resources.
void	setCollection(Object collection)
void	setId(String id)
void	setName(String name)
void	setProperty(String property)
void	setScope(String scope)

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

doAfterBody, doEndTag, findAncestorWithClass, getParent, getValue, getValues, removeValue, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

messages

protected static MessageResources messages

The message resources for this package.

collection

protected Object collection

The actual collection to be counted.

id

protected String id

The name of the scripting variable that will be exposed as a page scope attribute.

name

protected String name

The name of the bean owning the property to be counted.

property

protected String property

The name of the property to be retrieved.

scope

protected String scope

The scope within which to search for the specified bean.

Constructor Detail

SizeTag

public SizeTag()

Method Detail

getCollection

public Object getCollection()

setCollection

public void setCollection(Object collection)

getId

public String getId()

Overrides:

getId in class TagSupport

setId

public void setId(String id)

Overrides:

setId in class TagSupport

getName

public String getName()

setName

public void setName(String name)

getProperty

public String getProperty()

setProperty

public void setProperty(String property)

getScope

public String getScope()

setScope

public void setScope(String scope)

doStartTag

public int doStartTag()
               throws JspException

Retrieve the required property and expose it as a scripting variable.

Specified by:

doStartTag in interface Tag

Overrides:

doStartTag in class TagSupport

Throws:

JspException - if a JSP exception has occurred

release

public void release()

Release all allocated resources.

Specified by:

release in interface Tag

Overrides:

release in class TagSupport