FixedPrincipalExtractor (Spring Boot API)

java.lang.Object
- org.springframework.boot.autoconfigure.security.oauth2.resource.FixedPrincipalExtractor

All Implemented Interfaces:
PrincipalExtractor
```
public class FixedPrincipalExtractor
extends Object
implements PrincipalExtractor
```
Default implementation of PrincipalExtractor. Extracts the principal from the map with well known keys.
Since:
1.4.0

- Constructor Summary
  Constructors
  Constructor Description
  FixedPrincipalExtractor()
- Method Summary
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  Object extractPrincipal(Map<String,Object> map)
  Extract the principal that should be used for the token.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FixedPrincipalExtractor
```
public FixedPrincipalExtractor()
```
- Method Detail
  - extractPrincipal
```
public Object extractPrincipal(Map<String,Object> map)
```
    Description copied from interface: PrincipalExtractor
    Extract the principal that should be used for the token.
    Specified by:
    extractPrincipal in interface PrincipalExtractor
    Parameters:
    map - the source map
    Returns:
    the extracted principal or null