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java.lang.Objectjavax.servlet.jsp.tagext.TagSupport
org.apache.struts.taglib.bean.SizeTag
public class SizeTag
Define a scripting variable that will contain the number of elements found in a specified array, Collection, or Map.
| 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 |
|---|
protected static MessageResources messages
protected Object collection
protected String id
protected String name
protected String property
protected String scope
| Constructor Detail |
|---|
public SizeTag()
| Method Detail |
|---|
public Object getCollection()
public void setCollection(Object collection)
public String getId()
getId in class TagSupportpublic void setId(String id)
setId in class TagSupportpublic String getName()
public void setName(String name)
public String getProperty()
public void setProperty(String property)
public String getScope()
public void setScope(String scope)
public int doStartTag()
throws JspException
doStartTag in interface TagdoStartTag in class TagSupportJspException - if a JSP exception has occurredpublic void release()
release in interface Tagrelease in class TagSupport
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