org.cybergarage.upnp.device

## Class NT

- java.lang.Object
- - org.cybergarage.upnp.device.NT

-     public class NT
      extends Object

  Utility class for SSDP NT (Notification Type) header values and validation.

  This class provides constants and utility methods for handling NT header used in SSDP NOTIFY messages. The NT header specifies the type of notification being sent for device advertisement.

  Key features:

  - Notification type constants
  - Root device notification support
  - Event notification type handling
  - Notification type validation
  - Null-safe value checking

  This class is used by SSDP components to validate and process NT headers in notification messages, enabling proper classification of device advertisements and event notifications.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `EVENT`
    `static String` | `ROOTDEVICE`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `NT()`

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static boolean` | `isRootDevice(String ntValue)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### EVENT

          public static final String EVENT

      See Also:
        Constant Field Values

    - #### ROOTDEVICE

          public static final String ROOTDEVICE

      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### NT

          public NT()

  - ### Method Detail

    - #### isRootDevice

          public static final boolean isRootDevice(String ntValue)