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## 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`

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