This abstract class defines the Service Provider Interface for trustManagerFactory. Security providers must implement this interface, but applications never need to use it.

public abstract class TrustManagerFactorySpi {
// Public Constructors
     public TrustManagerFactorySpi( );  
// Protected Instance Methods
     protected abstract TrustManager[ ] engineGetTrustManagers( );  
     protected abstract void engineInit(ManagerFactoryParameters spec) 
        throws java.security.InvalidAlgorithmParameterException;  
     protected abstract void engineInit(java.security.KeyStore ks) 
        throws java.security.KeyStoreException;  
}

Passed To

TRustManagerFactory.TrustManagerFactory( )