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package com.sun.beans.decoder;

This class is intended to handle <null> element. This element specifies null value. It should not contain body or inner elements. For example:
<null/>
is equivalent to null in Java code.

The following attribute is supported:

id
the identifier of the variable that is intended to store the result
Author:Sergey A. Malenkov
Since:1.7
/** * This class is intended to handle &lt;null&gt; element. * This element specifies {@code null} value. * It should not contain body or inner elements. * For example:<pre> * &lt;null/&gt;</pre> * is equivalent to {@code null} in Java code. * <p>The following attribute is supported: * <dl> * <dt>id * <dd>the identifier of the variable that is intended to store the result * </dl> * * @since 1.7 * * @author Sergey A. Malenkov */
class NullElementHandler extends ElementHandler implements ValueObject {
Returns the value of this element.
Returns:the value of this element
/** * Returns the value of this element. * * @return the value of this element */
@Override protected final ValueObject getValueObject() { return this; }
Returns null as a value of <null> element. This method should be overridden in those handlers that extend behavior of this element.
Returns:null by default
/** * Returns {@code null} * as a value of &lt;null&gt; element. * This method should be overridden in those handlers * that extend behavior of this element. * * @return {@code null} by default */
public Object getValue() { return null; }
Returns void state of this value object.
Returns:false always
/** * Returns {@code void} state of this value object. * * @return {@code false} always */
public final boolean isVoid() { return false; } }