Examples with JsonObjectDecoder io.netty.handler.codec.json.JsonObjectDecoder used on opensource projects

Example 1 with JsonObjectDecoder

use of io.netty.handler.codec.json.JsonObjectDecoder in project reactor-netty by reactor.

the class TcpServerTests method flushEvery5ElementsWithManualDecoding.

@Test
public void flushEvery5ElementsWithManualDecoding() throws Exception {
    ObjectMapper mapper = new ObjectMapper();
    Function<List<Pojo>, ByteBuf> jsonEncoder = pojo -> {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            mapper.writeValue(out, pojo);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        return Unpooled.copiedBuffer(out.toByteArray());
    };
    Function<String, Pojo[]> jsonDecoder = s -> {
        try {
            return mapper.readValue(s, Pojo[].class);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    };
    CountDownLatch dataLatch = new CountDownLatch(10);
    NettyContext server = TcpServer.create().newHandler((in, out) -> in.context(c -> c.addHandler(new JsonObjectDecoder())).receive().asString().log("serve").map(jsonDecoder).concatMap(d -> Flux.fromArray(d)).window(5).concatMap(w -> out.send(w.collectList().map(jsonEncoder)))).block(Duration.ofSeconds(30));
    NettyContext client = TcpClient.create(o -> o.port(server.address().getPort())).newHandler((in, out) -> {
        in.context(c -> c.addHandler(new JsonObjectDecoder())).receive().asString().log("receive").map(jsonDecoder).concatMap(d -> Flux.fromArray(d)).subscribe(c -> dataLatch.countDown());
        return out.send(Flux.range(1, 10).map(it -> new Pojo("test" + it)).log("send").collectList().map(jsonEncoder)).neverComplete();
    }).block(Duration.ofSeconds(30));
    Assertions.assertThat(dataLatch.await(30, TimeUnit.SECONDS)).isTrue();
    Assertions.assertThat(dataLatch.getCount()).isEqualTo(0);
    server.dispose();
    client.dispose();
}

Example 2 with JsonObjectDecoder

use of io.netty.handler.codec.json.JsonObjectDecoder in project reactor-netty by reactor.

the class HttpClientOperationsTest method addEncoderReplaysLastHttp.

@Test
public void addEncoderReplaysLastHttp() throws Exception {
    ByteBuf buf = Unpooled.copiedBuffer("{\"foo\":1}", CharsetUtil.UTF_8);
    EmbeddedChannel channel = new EmbeddedChannel();
    HttpClientOperations ops = new HttpClientOperations(channel, (response, request) -> null, handler);
    ops.addHandler(new JsonObjectDecoder());
    channel.writeInbound(new DefaultLastHttpContent(buf));
    assertThat(channel.pipeline().names().iterator().next(), is("JsonObjectDecoder$extractor"));
    Object content = channel.readInbound();
    assertThat(content, instanceOf(ByteBuf.class));
    ((ByteBuf) content).release();
    content = channel.readInbound();
    assertThat(content, instanceOf(LastHttpContent.class));
    ((LastHttpContent) content).release();
    assertThat(channel.readInbound(), nullValue());
}

Example 3 with JsonObjectDecoder

use of io.netty.handler.codec.json.JsonObjectDecoder in project reactor-netty by reactor.

the class HttpClientOperationsTest method addDecoderReplaysLastHttp.

@Test
public void addDecoderReplaysLastHttp() throws Exception {
    ByteBuf buf = Unpooled.copiedBuffer("{\"foo\":1}", CharsetUtil.UTF_8);
    EmbeddedChannel channel = new EmbeddedChannel();
    HttpClientOperations ops = new HttpClientOperations(channel, (response, request) -> null, handler);
    ops.addHandler(new JsonObjectDecoder());
    channel.writeInbound(new DefaultLastHttpContent(buf));
    assertThat(channel.pipeline().names().iterator().next(), is("JsonObjectDecoder$extractor"));
    Object content = channel.readInbound();
    assertThat(content, instanceOf(ByteBuf.class));
    ((ByteBuf) content).release();
    content = channel.readInbound();
    assertThat(content, instanceOf(LastHttpContent.class));
    ((LastHttpContent) content).release();
    assertThat(channel.readInbound(), nullValue());
}

Example 4 with JsonObjectDecoder

use of io.netty.handler.codec.json.JsonObjectDecoder in project reactor-netty by reactor.

the class HttpOperationsTest method httpAndJsonDecoders.

@Test
public void httpAndJsonDecoders() {
    EmbeddedChannel channel = new EmbeddedChannel();
    NettyContext testContext = () -> channel;
    ChannelHandler handler = new JsonObjectDecoder(true);
    testContext.addHandlerLast("foo", handler);
    HttpOperations.autoAddHttpExtractor(testContext, "foo", handler);
    String json1 = "[{\"some\": 1} , {\"valu";
    String json2 = "e\": true, \"test\": 1}]";
    Object[] content = new Object[3];
    content[0] = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    content[1] = new DefaultHttpContent(Unpooled.copiedBuffer(json1, CharsetUtil.UTF_8));
    content[2] = new DefaultLastHttpContent(Unpooled.copiedBuffer(json2, CharsetUtil.UTF_8));
    channel.writeInbound(content);
    Object t = channel.readInbound();
    assertThat(t, instanceOf(HttpResponse.class));
    assertThat(t, not(instanceOf(HttpContent.class)));
    t = channel.readInbound();
    assertThat(t, instanceOf(ByteBuf.class));
    assertThat(((ByteBuf) t).toString(CharsetUtil.UTF_8), is("{\"some\": 1}"));
    ((ByteBuf) t).release();
    t = channel.readInbound();
    assertThat(t, instanceOf(ByteBuf.class));
    assertThat(((ByteBuf) t).toString(CharsetUtil.UTF_8), is("{\"value\": true, \"test\": 1}"));
    ((ByteBuf) t).release();
    t = channel.readInbound();
    assertThat(t, is(LastHttpContent.EMPTY_LAST_CONTENT));
    ((LastHttpContent) t).release();
    t = channel.readInbound();
    assertThat(t, nullValue());
}

Example 5 with JsonObjectDecoder

use of io.netty.handler.codec.json.JsonObjectDecoder in project reactor-netty by reactor.

the class HttpClientOperationsTest method addNamedDecoderReplaysLastHttp.

@Test
public void addNamedDecoderReplaysLastHttp() throws Exception {
    ByteBuf buf = Unpooled.copiedBuffer("{\"foo\":1}", CharsetUtil.UTF_8);
    EmbeddedChannel channel = new EmbeddedChannel();
    HttpClientOperations ops = new HttpClientOperations(channel, (response, request) -> null, handler);
    ops.addHandler("json", new JsonObjectDecoder());
    channel.writeInbound(new DefaultLastHttpContent(buf));
    assertThat(channel.pipeline().names().iterator().next(), is("json$extractor"));
    Object content = channel.readInbound();
    assertThat(content, instanceOf(ByteBuf.class));
    ((ByteBuf) content).release();
    content = channel.readInbound();
    assertThat(content, instanceOf(LastHttpContent.class));
    ((LastHttpContent) content).release();
    assertThat(channel.readInbound(), nullValue());
}