question: public static KeyStoreHandler create ( final File keyStoreFile , final char [ ] password ) throws IOException , KeyStoreException { if ( keyStoreFile == null ) { throw new FileNotFoundException ( null ) ; } else if ( keyStoreFile . exists ( ) ) { throw new FileAlreadyExistsException ( keyStoreFile . getAbsolutePath ( ) ) ; } final KeyStore ks = KeyStore . getInstance ( KeyStoreHandler . KEYSTORE_TYPE ) ; try { ks . load ( null , password ) ; } catch ( final NoSuchAlgorithmException | CertificateException ex ) { throw new IllegalStateException ( "Should not happen." , ex ) ; } final SecretKeyFactory skf = KeyStoreHandler . getSecretKeyFactory ( ) ; final KeyStoreHandler ksh = new KeyStoreHandler ( ks , password , keyStoreFile , skf , true ) ; ksh . save ( ) ; return ksh ; }
target:  Create brand new key store protected by a given password, and store it in a file.