NameIdentifierDecoder (Shibboleth IdP :: SAML Profile API 4.3.1 API)

```
public interface NameIdentifierDecoder
```
Interface for converting a NameIdentifier back into a principal name.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`decode(SubjectCanonicalizationContext c14nContext, NameIdentifier nameID)`	Decode the provided `NameIdentifier`.

- Method Detail
  - decode
```
@Nullable
String decode(@Nonnull
              SubjectCanonicalizationContext c14nContext,
              @Nonnull
              NameIdentifier nameID)
       throws NameDecoderException
```
    Decode the provided NameIdentifier.
    If the object is incompatible with the decoder in some way, a null is returned.
    
    Parameters:
    
    c14nContext - the active c14n context
    
    nameID - the object to decode
    
    Returns:
    
    the principal decoded from the value, or null
    
    Throws:
    
    NameDecoderException - if an error occurred during translation