Apache Struts API Documentation: Class SizeTag

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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:
  javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag

public class SizeTag
extends javax.servlet.jsp.tagext.TagSupport

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

Version:
  $Revision: 1.1 $ $Date: 2001-09-17 21:13:30 +0100 (Mon, 17 Sep 2001) $
Author:
  Craig R. McClanahan
See Also:
  Serialized Form

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, parent, values`

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.
`java.lang.Object` | `getCollection()`
`java.lang.String` | `getId()`
`java.lang.String` | `getName()`
`java.lang.String` | `getProperty()`
`java.lang.String` | `getScope()`
`void` | `release()` Release all allocated resources.
`void` | `setCollection(java.lang.Object collection)`
`void` | `setId(java.lang.String id)`
`void` | `setName(java.lang.String name)`
`void` | `setProperty(java.lang.String property)`
`void` | `setScope(java.lang.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, registerNatives, toString, wait, wait, wait`

Field Detail

### collection

    protected java.lang.Object collection

  The actual collection to be counted.

### id

    protected java.lang.String id

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

### messages

    protected static MessageResources messages

  The message resources for this package.

### name

    protected java.lang.String name

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

### property

    protected java.lang.String property

  The name of the property to be retrieved.

### scope

    protected java.lang.String scope

  The scope within which to search for the specified bean.

Constructor Detail

### SizeTag

    public SizeTag()

Method Detail

### getCollection

    public java.lang.Object getCollection()

### setCollection

    public void setCollection(java.lang.Object collection)

### getId

    public java.lang.String getId()

  Overrides:
    `getId` in class `javax.servlet.jsp.tagext.TagSupport`

### setId

    public void setId(java.lang.String id)

  Overrides:
    `setId` in class `javax.servlet.jsp.tagext.TagSupport`

### getName

    public java.lang.String getName()

### setName

    public void setName(java.lang.String name)

### getProperty

    public java.lang.String getProperty()

### setProperty

    public void setProperty(java.lang.String property)

### getScope

    public java.lang.String getScope()

### setScope

    public void setScope(java.lang.String scope)

### doStartTag

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

  Retrieve the required property and expose it as a scripting variable.
  Overrides:
    `doStartTag` in class `javax.servlet.jsp.tagext.TagSupport`
  Throws:
    `javax.servlet.jsp.JspException` - if a JSP exception has occurred

### release

    public void release()

  Release all allocated resources.
  Overrides:
    `release` in class `javax.servlet.jsp.tagext.TagSupport`

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