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## org.fourthline.cling.model.message.header
Class UpnpHeader<T>

    java.lang.Object
      org.fourthline.cling.model.message.header.UpnpHeader<T>

Direct Known Subclasses:
  AVClientInfoHeader, CallbackHeader, ContentRangeHeader, ContentTypeHeader, DeviceTypeHeader, DeviceUSNHeader, EventSequenceHeader, EXTHeader, HostHeader, InterfaceMacHeader, LocationHeader, MANHeader, MaxAgeHeader, MXHeader, NTEventHeader, NTSHeader, PragmaHeader, RangeHeader, RootDeviceHeader, ServerHeader, ServiceTypeHeader, ServiceUSNHeader, SoapActionHeader, STAllHeader, SubscriptionIdHeader, TimeoutHeader, UDNHeader, UserAgentHeader, USNRootDeviceHeader

    public abstract class UpnpHeader<T>

extends Object

Transforms known and standardized UPnP/HTTP headers from/to string representation.

The `newInstance(org.fourthline.cling.model.message.header.UpnpHeader.Type, String)` method attempts to instantiate the best header subtype for a given header (name) and string value.

Author:
  Christian Bauer

Nested Class Summary
`static class` | `UpnpHeader.Type` Maps a standardized UPnP header to potential header subtypes.

Constructor Summary
`UpnpHeader()`

Method Summary
`abstract String` | `getString()`
`T` | `getValue()`
`static UpnpHeader` | `newInstance(UpnpHeader.Type type, String headerValue)` Create a new instance of a `UpnpHeader` subtype that matches the given type and value.
`abstract void` | `setString(String s)`
`void` | `setValue(T value)`
`String` | `toString()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### UpnpHeader

    public UpnpHeader()

Method Detail

### setValue

    public void setValue(T value)

### getValue

    public T getValue()

### setString

    public abstract void setString(String s)
                            throws InvalidHeaderException

  Parameters:
    `s` - This header's value as a string representation.
  Throws:
    `InvalidHeaderException` - If the value is invalid for this UPnP header.

### getString

    public abstract String getString()

  Returns:
    A string representing this header's value.

### newInstance

    public static UpnpHeader newInstance(UpnpHeader.Type type,
                                         String headerValue)

  Create a new instance of a `UpnpHeader` subtype that matches the given type and value.

  This method iterates through all potential header subtype classes as declared in `UpnpHeader.Type`. It creates a new instance of the subtype class and calls its `setString(String)` method. If no `InvalidHeaderException` is thrown, the subtype instance is returned.

  Parameters:
    `type` - The type (or name) of the header.
    `headerValue` - The value of the header.
  Returns:
    The best matching header subtype instance, or `null` if no subtype can be found.

### toString

    public String toString()

  Overrides:
    `toString` in class `Object`

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Copyright © 2013 4th Line GmbH, Switzerland. All Rights Reserved.