Set a behavior value on the implementing class. The name represents
the name of the behavior. The value represents the value.
The facet is optional and may be used by complex types to
target the behavior.
Parameters: name - The name of the behavior. This value may not be null or the empty string. Parameters: value - The value of the behavior. Parameters: facet - The name of a facet to which the attribute will be applied. This is optional. throws: JspException - A JspException may be thrown if there is an error setting the attribute.