Examples with Operator rx.Observable.Operator used on opensource projects

Example 1 with Operator

use of rx.Observable.Operator in project tutorials by eugenp.

the class RxJavaCustomOperatorUnitTest method whenUseFunctionOperator_thenSuccess.

@Test
public void whenUseFunctionOperator_thenSuccess() {
    final Operator<String, String> cleanStringFn = subscriber -> new Subscriber<String>(subscriber) {

        @Override
        public void onCompleted() {
            if (!subscriber.isUnsubscribed()) {
                subscriber.onCompleted();
            }
        }

        @Override
        public void onError(Throwable t) {
            if (!subscriber.isUnsubscribed()) {
                subscriber.onError(t);
            }
        }

        @Override
        public void onNext(String str) {
            if (!subscriber.isUnsubscribed()) {
                final String result = str.replaceAll("[^A-Za-z0-9]", "");
                subscriber.onNext(result);
            }
        }
    };
    final List<String> results = new ArrayList<>();
    Observable.from(Arrays.asList("ap_p-l@e", "or-an?ge")).lift(cleanStringFn).subscribe(results::add);
    assertThat(results, notNullValue());
    assertThat(results, hasSize(2));
    assertThat(results, hasItems("apple", "orange"));
}