X509UsernameRetriever (Apache Tomcat 10.0.27 API Documentation)

All Known Implementing Classes:

X509SubjectDnRetriever
```
public interface X509UsernameRetriever
```
Provides an interface for retrieving a user name from an X509Certificate.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getUsername(java.security.cert.X509Certificate cert)`	Gets a user name from an X509Certificate.

- Method Detail
  - getUsername
```
java.lang.String getUsername(java.security.cert.X509Certificate cert)
```
    Gets a user name from an X509Certificate.
    
    Parameters:
    
    cert - The certificate containing the user name.
    
    Returns:
    
    An appropriate user name obtained from one or more fields in the certificate.