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java.lang.Object | +--javax.servlet.jsp.tagext.TagSupport | +--org.apache.struts.taglib.bean.SizeTag
Define a scripting variable that will contain the number of elements found in a specified array, Collection, or Map.
Field Summary | |
protected java.lang.Object |
collection
The actual collection to be counted. |
protected java.lang.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 java.lang.String |
name
The name of the bean owning the property to be counted. |
protected java.lang.String |
property
The name of the property to be retrieved. |
protected java.lang.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.Tag |
EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE |
Constructor Summary | |
SizeTag()
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Method Summary | |
int |
doStartTag()
Retrieve the required property and expose it as a scripting variable. |
java.lang.Object |
getCollection()
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java.lang.String |
getId()
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java.lang.String |
getName()
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java.lang.String |
getProperty()
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java.lang.String |
getScope()
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void |
release()
Release all allocated resources. |
void |
setCollection(java.lang.Object collection)
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void |
setId(java.lang.String id)
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void |
setName(java.lang.String name)
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void |
setProperty(java.lang.String property)
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void |
setScope(java.lang.String scope)
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Methods inherited from class javax.servlet.jsp.tagext.TagSupport |
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 java.lang.Object collection
protected java.lang.String id
protected static MessageResources messages
protected java.lang.String name
protected java.lang.String property
protected java.lang.String scope
Constructor Detail |
public SizeTag()
Method Detail |
public java.lang.Object getCollection()
public void setCollection(java.lang.Object collection)
public java.lang.String getId()
getId
in class javax.servlet.jsp.tagext.TagSupport
public void setId(java.lang.String id)
setId
in class javax.servlet.jsp.tagext.TagSupport
public java.lang.String getName()
public void setName(java.lang.String name)
public java.lang.String getProperty()
public void setProperty(java.lang.String property)
public java.lang.String getScope()
public void setScope(java.lang.String scope)
public int doStartTag() throws javax.servlet.jsp.JspException
doStartTag
in interface javax.servlet.jsp.tagext.Tag
doStartTag
in class javax.servlet.jsp.tagext.TagSupport
javax.servlet.jsp.JspException
- if a JSP exception has occurredpublic void release()
release
in interface javax.servlet.jsp.tagext.Tag
release
in class javax.servlet.jsp.tagext.TagSupport
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