Assistance Needed with Dynamic Vault Template Creation Using RoleID and SecretID about spring-vault HOT 1 CLOSED

/**
 * Creates a {@link VaultTemplate} with the provided HashiCorp Vault credentials.
 * <p>
 * This method configures a {@link VaultTemplate} for Vault interactions, using
 * AppRole authentication with the specified role and secret IDs. It throws an
 * IllegalArgumentException if the Vault URL is not configured.
 * </p>
 *
 * @param credentials The HashiCorp Vault configuration details.
 * @return A configured {@link VaultTemplate}, or {@code null} if an exception occurs.
 * @throws IllegalArgumentException If the Vault URL is null or empty.
 */
public VaultTemplate createVaultTemplate(HashiCorpVaultConfig credentials) {
    try {
        if (vaultUrl == null || vaultUrl.trim().isEmpty()) {
            throw new IllegalArgumentException("Vault URL cannot be null or empty");
        }
        VaultEndpoint endpoint = VaultEndpoint.from(URI.create(vaultUrl));
        AppRoleAuthenticationOptions options = AppRoleAuthenticationOptions.builder()
                .roleId(AppRoleAuthenticationOptions.RoleId.provided(credentials.getRoleId()))
                .secretId(AppRoleAuthenticationOptions.SecretId.provided(credentials.getSecretId()))
                .build();
    RestOperations restOperation = applicationContext.getBean(RestTemplateFactory.class).create(); //Createing Res
        ClientAuthentication authentication = new AppRoleAuthentication(options, restOperation);
        return new VaultTemplate(endpoint,authentication);
    } catch (Exception ex) {
        log.error("Exception While Creating vaultTemplate", ex);
    }
    return null;
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
    this.applicationContext=applicationContext;
}