Cors configuration for a dropwizard java api

ApiApplication.java

    @Override
    public void run(ApiConfiguration configuration, Environment environment) throws Exception {
        Database.getInstance(configuration);

        //cors
        final FilterRegistration.Dynamic cors =
                environment.servlets().addFilter("CORS", CrossOriginFilter.class);

        // Configure CORS parameters
        //TODO: get hosts from configuration file!
        cors.setInitParameter("allowedOrigins", configuration.getAllowedOrigins());
        cors.setInitParameter("allowedHeaders", configuration.getAllowedHeaders());
        cors.setInitParameter("allowedMethods", configuration.getAllowedMethods());

        // Add URL mapping
        cors.addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), true, "/*");

        logger.info(String.format("Set API name to %s", configuration.getApiName()));

        //Create and register DAOs, Services and Resources.
        IntroductionDAO introductionDAO = new IntroductionDAO();
        AccountDAO accountDAO = new AccountDAO();

        IntroductionService introductionService = new IntroductionService(introductionDAO);
        AccountService accountService = new AccountService(accountDAO);

        IntroductionResource introductionResource = new IntroductionResource(introductionService);
        AccountResource accountResource = new AccountResource(accountService);

        //Register
        setupAuthentication(environment, accountDAO);
        configureClientFilter(environment);

        environment.jersey().register(introductionResource);
        environment.jersey().register(accountResource);
    }