Examples with Mono reactor.core.publisher.Mono used on opensource projects

Example 26 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class ScriptTemplateView method renderInternal.

@Override
protected Mono<Void> renderInternal(Map<String, Object> model, MediaType contentType, ServerWebExchange exchange) {
    return Mono.defer(() -> {
        ServerHttpResponse response = exchange.getResponse();
        try {
            ScriptEngine engine = getEngine();
            Invocable invocable = (Invocable) engine;
            String url = getUrl();
            String template = getTemplate(url);
            Function<String, String> templateLoader = path -> {
                try {
                    return getTemplate(path);
                } catch (IOException ex) {
                    throw new IllegalStateException(ex);
                }
            };
            RenderingContext context = new RenderingContext(this.getApplicationContext(), this.locale, templateLoader, url);
            Object html;
            if (this.renderObject != null) {
                Object thiz = engine.eval(this.renderObject);
                html = invocable.invokeMethod(thiz, this.renderFunction, template, model, context);
            } else {
                html = invocable.invokeFunction(this.renderFunction, template, model, context);
            }
            byte[] bytes = String.valueOf(html).getBytes(StandardCharsets.UTF_8);
            DataBuffer buffer = response.bufferFactory().allocateBuffer(bytes.length).write(bytes);
            return response.writeWith(Mono.just(buffer));
        } catch (ScriptException ex) {
            throw new IllegalStateException("Failed to render script template", new StandardScriptEvalException(ex));
        } catch (Exception ex) {
            throw new IllegalStateException("Failed to render script template", ex);
        }
    });
}

Example 27 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class HttpEntityArgumentResolverTests method emptyBodyWithMono.

@Test
public void emptyBodyWithMono() throws Exception {
    ResolvableType type = httpEntityType(Mono.class, String.class);
    HttpEntity<Mono<String>> entity = resolveValueWithEmptyBody(type);
    StepVerifier.create(entity.getBody()).expectNextCount(0).expectComplete().verify();
}

Example 28 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class ModelAttributeMethodArgumentResolverTests method validationErrorToMono.

@Test
@SuppressWarnings("unchecked")
public void validationErrorToMono() throws Exception {
    MethodParameter parameter = this.testMethod.annotNotPresent(ModelAttribute.class).arg(Mono.class, Foo.class);
    testValidationError(parameter, resolvedArgumentMono -> {
        Object value = resolvedArgumentMono.block(Duration.ofSeconds(5));
        assertNotNull(value);
        assertTrue(value instanceof Mono);
        return (Mono<?>) value;
    });
}

Example 29 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class DispatcherHandlerErrorTests method requestBodyError.

@Test
public void requestBodyError() throws Exception {
    ServerWebExchange exchange = MockServerHttpRequest.post("/request-body").body(Mono.error(EXCEPTION)).toExchange();
    Mono<Void> publisher = this.dispatcherHandler.handle(exchange);
    StepVerifier.create(publisher).consumeErrorWith(error -> {
        assertThat(error, instanceOf(ServerWebInputException.class));
        assertSame(EXCEPTION, error.getCause());
    }).verify();
}

Example 30 with Mono

use of reactor.core.publisher.Mono in project spring-framework by spring-projects.

the class DispatcherHandlerErrorTests method controllerThrowsException.

@Test
public void controllerThrowsException() throws Exception {
    ServerWebExchange exchange = MockServerHttpRequest.get("/raise-exception").toExchange();
    Mono<Void> publisher = this.dispatcherHandler.handle(exchange);
    StepVerifier.create(publisher).consumeErrorWith(error -> assertSame(EXCEPTION, error)).verify();
}