@Override
public void doGet(final HttpServletRequest req, final HttpServletResponse res) {
String id = getInstanceId();
if (id == null) {
res.setStatus(500);
} else {
try {
HttpClientRequest<ByteBuf> eddaReq =
HttpClientRequest.createGet(String.format(EDDA_PATH, id));
HttpClientResponse<ByteBuf> eddaRes = eddaClient.submit(eddaReq).toBlocking().single();
res.setStatus(eddaRes.getStatus().code());
eddaRes
.getContent()
.toBlocking()
.forEach(
(ByteBuf content) -> {
try {
content.readBytes(res.getOutputStream(), content.capacity());
} catch (IOException e) {
LOGGER.error("failed to write edda output", e);
}
});
} catch (Exception e) {
LOGGER.error("failed to get data from edda", e);
res.setStatus(500);
}
}
}
public RxMeetupService() {
this.subject = PublishSubject.<String>create();
this.meetupClient =
withTimeout(
CompletableFuture.supplyAsync(
() ->
RxNetty.<ByteBuf, ByteBuf>newHttpClientBuilder("stream.meetup.com", 443)
.pipelineConfigurator(new HttpClientPipelineConfigurator<>())
.withSslEngineFactory(DefaultFactories.trustAll())
.build()),
Duration.ofSeconds(2))
.thenApply(
client -> {
log.info("<RxMeetupService> set up meetup subject");
final Observable<String> jsons =
StringObservable.split(
client
.submit(HttpClientRequest.createGet("/2/open_events"))
.flatMap(AbstractHttpContentHolder::getContent)
.map(bb -> bb.toString(StandardCharsets.UTF_8)),
"\n");
jsons.subscribe(this.subject);
return client;
})
.exceptionally(
ex -> { // TODO: timed re-connect
log.error("<RxMeetupService> ", ex);
this.subject.onError(ex);
return null;
});
}
@Test
public void testVarReplacement() {
HttpResourceGroup group = Ribbon.createHttpResourceGroupBuilder("test").build();
HttpRequestTemplate<ByteBuf> template =
group
.newTemplateBuilder("testVarReplacement", ByteBuf.class)
.withMethod("GET")
.withUriTemplate("/foo/{id}?name={name}")
.build();
HttpClientRequest<ByteBuf> request =
template
.requestBuilder()
.withRequestProperty("id", "3")
.withRequestProperty("name", "netflix")
.createClientRequest();
assertEquals("/foo/3?name=netflix", request.getUri());
}
@Test
public void testHttpHeaders() {
HttpResourceGroup group =
Ribbon.createHttpResourceGroupBuilder("test").withHeader("header1", "group").build();
HttpRequestTemplate<String> template =
group
.newTemplateBuilder("testHttpHeaders", String.class)
.withUriTemplate("/foo/bar")
.withMethod("GET")
.withHeader("header2", "template")
.withHeader("header1", "template")
.build();
HttpClientRequest<ByteBuf> request = template.requestBuilder().createClientRequest();
HttpRequestHeaders headers = request.getHeaders();
List<String> header1 = headers.getAll("header1");
assertEquals(2, header1.size());
assertEquals("group", header1.get(0));
assertEquals("template", header1.get(1));
List<String> header2 = headers.getAll("header2");
assertEquals(1, header2.size());
assertEquals("template", header2.get(0));
}