io.netty.handler.codec.http.FullHttpResponse Java Examples

@Test
public void testCookieHeader() throws URISyntaxException, IOException {
  Multimap<String, String> headers = LinkedHashMultimap.create();
  headers.put("key1", "value1");
  headers.put("Set-Cookie", "YSxiLGM=, ZCxlLGY=");
  int status = 200;
  String str = "Hello world";
  RecordedStringHttpBody recordedStringHttpBody = new RecordedStringHttpBody(str);

  RecordedHttpResponse recordedHttpResponse = new RecordedHttpResponse(status, headers, recordedStringHttpBody);
  FullHttpResponse fullHttpResponse = NettyHttpResponseMapper.from(recordedHttpResponse);
  Assert.assertEquals(fullHttpResponse.getStatus().code(), status);
  Assert.assertEquals(fullHttpResponse.headers().get("key1"), "value1");
  List<String> headrValues = fullHttpResponse.headers().getAll("Set-Cookie");
  Assert.assertEquals(headrValues.size(), 1);
  Assert.assertTrue(headrValues.contains("YSxiLGM=, ZCxlLGY="));
}
 

@Test
public void testRequestEmailVerification_PersonNotExist() throws Exception {
   Person curPerson = createPerson();
   String token = "t123545";
   curPerson.setEmailVerificationToken(token);
   
   mockSetup(curPerson.getId(), token);		
	
	EasyMock.expect(personDao.findById(curPerson.getId())).andReturn(null);
   replay();      
   
   FullHttpResponse response = handler.respond(request, ctx);   
   
   MessageBody mb = toClientRequest(response);
   assertEquals(ErrorEvent.MESSAGE_TYPE, mb.getMessageType());     
   
}
 

private void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

    // Send the response and close the connection if necessary.
    ChannelFuture f;
    if (useSSL) {
    	f = ctx.channel().writeAndFlush(res);
    } else {
    	// TODO may not want to flush here -- only write
    	f = ctx.channel().writeAndFlush(res);	
    }
    if (!isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}
 

@Override public void channelRead(ChannelHandlerContext ctx, Object msg) {
  if (!(msg instanceof HttpRequest)) return;
  HttpRequest req = (HttpRequest) msg;

  if (HttpUtil.is100ContinueExpected(req)) {
    ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
  }
  boolean keepAlive = HttpUtil.isKeepAlive(req);
  FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK,
    Unpooled.wrappedBuffer(HELLO_WORLD));
  response.headers().set(CONTENT_TYPE, "text/plain");
  response.headers().set(CONTENT_LENGTH, response.content().readableBytes());

  if (!keepAlive) {
    ctx.write(response).addListener(ChannelFutureListener.CLOSE);
  } else {
    response.headers().set(CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    ctx.write(response);
  }
}
 

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
	// Generate an error page if response getStatus code is not OK (200).
	int statusCode = res.status().code();
	if (statusCode != HttpResponseStatus.OK.code() && res.content().readableBytes() == 0) {
		ByteBuf buf = Unpooled.copiedBuffer(res.status().toString(), CharsetUtil.UTF_8);
		res.content().writeBytes(buf);
		buf.release();
	}
	HttpUtil.setContentLength(res, res.content().readableBytes());

	// Send the response and close the connection if necessary.
	if (!HttpUtil.isKeepAlive(req) || statusCode != HttpResponseStatus.OK.code()) {
		res.headers().set(CONNECTION, CLOSE);
		ctx.writeAndFlush(res).addListener(ChannelFutureListener.CLOSE);
	} else {
		res.headers().set(CONNECTION, CLOSE);

		///
		//if (req.protocolVersion().equals(HTTP_1_0)) {
		//	res.headers().set(CONNECTION, KEEP_ALIVE);
		//}
		ctx.writeAndFlush(res).addListener(ChannelFutureListener.CLOSE);
	}
}
 

@Test
public void testValidCounter() throws IOException {

    BluefloodCounter counter = new BluefloodCounter("counter.a.b", 5, 0.1);
    FullHttpRequest request = createIngestRequest(createRequestBody(TENANT,
            new DefaultClockImpl().now().getMillis(), 0, null, new BluefloodCounter[]{counter}, null, null));

    ArgumentCaptor<FullHttpResponse> argument = ArgumentCaptor.forClass(FullHttpResponse.class);
    handler.handle(context, request);
    verify(channel).write(argument.capture());

    String responseBody = argument.getValue().content().toString(Charset.defaultCharset());

    assertEquals("Invalid response", "", responseBody);
    assertEquals("Invalid status", HttpResponseStatus.OK, argument.getValue().getStatus());
}
 

@Test
public void testAggregatedMetricsNotSet() throws IOException {

    FullHttpRequest request = createIngestRequest(createRequestBody(TENANT,
            new DefaultClockImpl().now().getMillis(), 0 , null, null, null, null));

    ArgumentCaptor<FullHttpResponse> argument = ArgumentCaptor.forClass(FullHttpResponse.class);
    handler.handle(context, request);
    verify(channel).write(argument.capture());

    String errorResponseBody = argument.getValue().content().toString(Charset.defaultCharset());
    ErrorResponse errorResponse = getErrorResponse(errorResponseBody);

    assertEquals("Number of errors invalid", 1, errorResponse.getErrors().size());
    assertEquals("Invalid error message", "At least one of the aggregated metrics(gauges, counters, timers, sets) " +
            "are expected", errorResponse.getErrors().get(0).getMessage());
    assertEquals("Invalid source", "", errorResponse.getErrors().get(0).getSource());
    assertEquals("Invalid tenant", TENANT, errorResponse.getErrors().get(0).getTenantId());
    assertEquals("Invalid metric name", "", errorResponse.getErrors().get(0).getMetricName());
    assertEquals("Invalid status", HttpResponseStatus.BAD_REQUEST, argument.getValue().getStatus());
}
 

@Test
public void testEmptyTenantId() throws IOException {

    BluefloodGauge gauge = new BluefloodGauge("gauge.a.b", 5);
    FullHttpRequest request = createIngestRequest(createRequestBody("",
            new DefaultClockImpl().now().getMillis(), 0 , new BluefloodGauge[]{gauge}, null, null, null));

    ArgumentCaptor<FullHttpResponse> argument = ArgumentCaptor.forClass(FullHttpResponse.class);
    handler.handle(context, request);
    verify(channel).write(argument.capture());

    String errorResponseBody = argument.getValue().content().toString(Charset.defaultCharset());
    ErrorResponse errorResponse = getErrorResponse(errorResponseBody);

    assertEquals("Number of errors invalid", 1, errorResponse.getErrors().size());
    assertEquals("Invalid error message", "may not be empty", errorResponse.getErrors().get(0).getMessage());
    assertEquals("Invalid source", "tenantId", errorResponse.getErrors().get(0).getSource());
    assertEquals("Invalid tenant", "", errorResponse.getErrors().get(0).getTenantId());
    assertEquals("Invalid metric name", "", errorResponse.getErrors().get(0).getMetricName());
    assertEquals("Invalid status", HttpResponseStatus.BAD_REQUEST, argument.getValue().getStatus());
}
 

@Test
public void testGaugeEmptyMetricValue() throws IOException {

    String metricName = "gauge.a.b";
    BluefloodGauge gauge = new BluefloodGauge(metricName, null);
    FullHttpRequest request = createIngestRequest(createRequestBody(TENANT,
            new DefaultClockImpl().now().getMillis(), 0, new BluefloodGauge[]{gauge}, null, null, null));

    ArgumentCaptor<FullHttpResponse> argument = ArgumentCaptor.forClass(FullHttpResponse.class);
    handler.handle(context, request);
    verify(channel).write(argument.capture());

    String errorResponseBody = argument.getValue().content().toString(Charset.defaultCharset());
    ErrorResponse errorResponse = getErrorResponse(errorResponseBody);

    assertEquals("Number of errors invalid", 1, errorResponse.getErrors().size());
    assertEquals("Invalid error message", "may not be null", errorResponse.getErrors().get(0).getMessage());
    assertEquals("Invalid source", "gauges[0].value", errorResponse.getErrors().get(0).getSource());
    assertEquals("Invalid tenant", TENANT, errorResponse.getErrors().get(0).getTenantId());
    assertEquals("Invalid metric name", metricName, errorResponse.getErrors().get(0).getMetricName());
    assertEquals("Invalid status", HttpResponseStatus.BAD_REQUEST, argument.getValue().getStatus());
}
 

@Override
protected void channelRead0(ChannelHandlerContext ctx, FullHttpResponse msg) throws Exception {
    HttpHeaders headers = msg.headers();
    Integer streamId = headers.getInt(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text());
    if (streamId == null) {
        if (LOGGER.isWarnEnabled()) {
            LOGGER.warn("HttpResponseHandler unexpected message received: {}, data is {}", msg.toString(),
                NettyHelper.toString(msg.content()));
        }
        return;
    }

    Entry<ChannelFuture, AbstractHttpClientHandler> entry = removePromise(streamId);
    if (entry == null) {
        if (LOGGER.isWarnEnabled()) {
            LOGGER.warn("Message received for unknown stream id {}, msg is {}, data is {}", streamId,
                msg.toString(), NettyHelper.toString(msg.content()));
        }
    } else {
        final AbstractHttpClientHandler callback = entry.getValue();
        callback.receiveHttpResponse(msg);
    }
}
 

@Test
public void testMissingRequiredQueryParams() throws IOException {
    FullHttpRequest request = createQueryRequest("?from=111111");

    ArgumentCaptor<FullHttpResponse> argument = ArgumentCaptor.forClass(FullHttpResponse.class);
    handler.handle(context, request);
    verify(channel).write(argument.capture());

    String errorResponseBody = argument.getValue().content().toString(Charset.defaultCharset());
    ErrorResponse errorResponse = getErrorResponse(errorResponseBody);

    assertEquals("Number of errors invalid", 1, errorResponse.getErrors().size());
    assertEquals("Invalid error message", "Either 'points' or 'resolution' is required.", errorResponse.getErrors().get(0).getMessage());
    assertEquals("Invalid tenant", TENANT, errorResponse.getErrors().get(0).getTenantId());
    assertEquals("Invalid status", HttpResponseStatus.BAD_REQUEST, argument.getValue().getStatus());
}
 

public void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
   if (res.getStatus().code() != 200) {
      ByteBuf f = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
      res.content().clear();
      res.content().writeBytes(f);
      f.release();
   }

   HttpHeaders.setContentLength(res, res.content().readableBytes());
   ChannelFuture f1;
   f1 = ctx.channel().writeAndFlush(res);

   if (!HttpHeaders.isKeepAlive(req) || res.getStatus().code() != 200) {
      f1.addListener(ChannelFutureListener.CLOSE);
   }
}
 

@Override
public void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof HttpRequest) {
        HttpRequest req = (HttpRequest) msg;

        if (is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }
        boolean keepAlive = isKeepAlive(req);

        ByteBuf content = Unpooled.copiedBuffer("Hello World " + new Date(), CharsetUtil.UTF_8);

        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, content);
        response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());

        if (!keepAlive) {
            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
        } else {
            response.headers().set(CONNECTION, Values.KEEP_ALIVE);
            ctx.write(response);
        }
    }
}
 

@Test
public void assertChannelReadStartSuccess() {
    scalingConfiguration.getRuleConfiguration().setSourceDatasource("ds_0: !!" + YamlDataSourceConfiguration.class.getName() + "\n  "
            + "dataSourceClassName: com.zaxxer.hikari.HikariDataSource\n  props:\n    "
            + "jdbcUrl: jdbc:h2:mem:test_db;DB_CLOSE_DELAY=-1;DATABASE_TO_UPPER=false;MODE=MySQL\n    username: root\n    password: 'password'\n    connectionTimeout: 30000\n    "
            + "idleTimeout: 60000\n    maxLifetime: 1800000\n    maxPoolSize: 50\n    minPoolSize: 1\n    maintenanceIntervalMilliseconds: 30000\n    readOnly: false\n");
    scalingConfiguration.getRuleConfiguration().getDestinationDataSources().setUrl("jdbc:h2:mem:test_db;DB_CLOSE_DELAY=-1;DATABASE_TO_UPPER=false;MODE=MySQL");
    scalingConfiguration.getRuleConfiguration().getDestinationDataSources().setName("root");
    scalingConfiguration.getRuleConfiguration().getDestinationDataSources().setPassword("password");
    ByteBuf byteBuf = Unpooled.copiedBuffer(GSON.toJson(scalingConfiguration), CharsetUtil.UTF_8);
    fullHttpRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, "/scaling/job/start", byteBuf);
    httpServerHandler.channelRead0(channelHandlerContext, fullHttpRequest);
    ArgumentCaptor argumentCaptor = ArgumentCaptor.forClass(FullHttpResponse.class);
    verify(channelHandlerContext).writeAndFlush(argumentCaptor.capture());
    FullHttpResponse fullHttpResponse = (FullHttpResponse) argumentCaptor.getValue();
    assertTrue(fullHttpResponse.content().toString(CharsetUtil.UTF_8).contains("{\"success\":true"));
}
 

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg)
{
    final Channel ch = ctx.channel();
    if (!_handshaker.isHandshakeComplete())
    {
        // web socket client connected
        _handshaker.finishHandshake(ch, (FullHttpResponse) msg);
        _handshakeFuture.setSuccess();
        return;
    }

    if (msg instanceof FullHttpResponse)
    {
        final FullHttpResponse response = (FullHttpResponse) msg;
        throw new IllegalStateException(String.format("Unexpected FullHttpResponse (getStatus=%s, content=%s)",
                                          response.content().toString(StandardCharsets.UTF_8), response.status()));
    }

    WebSocketFrame frame = (WebSocketFrame) msg;
    ctx.fireChannelRead(frame.retain());
}
 

private void writeResponse(Channel channel, HttpResponseStatus statusCode) {
    // Convert the response content to a ChannelBuffer.
    ByteBuf buf = copiedBuffer(responseContent.toString(), CharsetUtil.UTF_8);
    responseContent.setLength(0);
    // Decide whether to close the connection or not.
    boolean close = HttpHeaders.Values.CLOSE.equalsIgnoreCase(request.headers().get(CONNECTION)) ||
        request.getProtocolVersion().equals(HttpVersion.HTTP_1_0) && !HttpHeaders.Values.KEEP_ALIVE.equalsIgnoreCase(request.headers().get(CONNECTION));
    // Build the response object.
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, statusCode, buf);
    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
    if (!close) {
        // There's no need to add 'Content-Length' header if this is the last response.
        response.headers().set(CONTENT_LENGTH, buf.readableBytes());
    }
    // Write the response.
    ChannelFuture future = channel.writeAndFlush(response);
    // Close the connection after the write operation is done if necessary.
    if (close) {
        future.addListener(ChannelFutureListener.CLOSE);
    }
}
 

private static void sendError(final ChannelHandlerContext ctx, final HttpResponseStatus status,
                                final String message, final Optional<Throwable> t) {
      if (t.isPresent())
          logger.warn(String.format("Invalid request - responding with %s and %s", status, message), t.get());
      else
          logger.warn(String.format("Invalid request - responding with %s and %s", status, message));

      errorMeter.mark();
      final ObjectNode node = mapper.createObjectNode();
      node.put("message", message);
if (t.isPresent()) {
          // "Exception-Class" needs to go away - didn't realize it was named that way during review for some reason.
          // replaced with the same method for exception reporting as is used with websocket/nio protocol
	node.put("Exception-Class", t.get().getClass().getName());
          final ArrayNode exceptionList = node.putArray(Tokens.STATUS_ATTRIBUTE_EXCEPTIONS);
          ExceptionUtils.getThrowableList(t.get()).forEach(throwable -> exceptionList.add(throwable.getClass().getName()));
          node.put(Tokens.STATUS_ATTRIBUTE_STACK_TRACE, ExceptionUtils.getStackTrace(t.get()));
}

      final FullHttpResponse response = new DefaultFullHttpResponse(
              HTTP_1_1, status, Unpooled.copiedBuffer(node.toString(), CharsetUtil.UTF_8));
      response.headers().set(CONTENT_TYPE, "application/json");

      // Close the connection as soon as the error message is sent.
      ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
  }
 

@Test
public void testCounterEmptyMetricRate() throws IOException {

    String metricName = "counter.a.b";
    BluefloodCounter counter = new BluefloodCounter(metricName, 5, null);
    FullHttpRequest request = createIngestRequest(createRequestBody(TENANT,
            new DefaultClockImpl().now().getMillis(), 0, null, new BluefloodCounter[]{counter}, null, null));

    ArgumentCaptor<FullHttpResponse> argument = ArgumentCaptor.forClass(FullHttpResponse.class);
    handler.handle(context, request);
    verify(channel).write(argument.capture());

    String errorResponseBody = argument.getValue().content().toString(Charset.defaultCharset());
    ErrorResponse errorResponse = getErrorResponse(errorResponseBody);

    assertEquals("Number of errors invalid", 1, errorResponse.getErrors().size());
    assertEquals("Invalid error message", "may not be null", errorResponse.getErrors().get(0).getMessage());
    assertEquals("Invalid source", "counters[0].rate", errorResponse.getErrors().get(0).getSource());
    assertEquals("Invalid tenant", TENANT, errorResponse.getErrors().get(0).getTenantId());
    assertEquals("Invalid metric name", metricName, errorResponse.getErrors().get(0).getMetricName());
    assertEquals("Invalid status", HttpResponseStatus.BAD_REQUEST, argument.getValue().getStatus());
}
 

@Test
public void shouldRespondWithResponseCode() throws Exception {
   
   handler = new TemplatedHttpHandler(new AlwaysAllow(),httpSender,templateService) {
      public String getContentType() {
         return "application/xml";
      }
      public TemplatedResponse doHandle(FullHttpRequest request, ChannelHandlerContext ctx) {
         return new TemplatedResponse().withResponseStatus(HttpResponseStatus.NOT_FOUND);
      }
   }; 
   replay();
   FullHttpResponse response = handler.respond(fullHttpRequest,ctx);
   verify();
   assertEquals(HttpResponseStatus.NOT_FOUND, response.getStatus());
}
 

/**
 * Tests that the client converts given {@link FullHttpRequest} to bytes, which is sent to the
 * server and reconstructed to a {@link FullHttpRequest} that is equivalent to the original. Then
 * test that the server converts given {@link FullHttpResponse} to bytes, which is sent to the
 * client and reconstructed to a {@link FullHttpResponse} that is equivalent to the original.
 *
 * <p>The request and response equivalences are tested in the same method because the client codec
 * tries to pair the response it receives with the request it sends. Receiving a response without
 * sending a request first will cause the {@link HttpObjectAggregator} to fail to aggregate
 * properly.
 */
private void requestAndRespondWithStatus(HttpResponseStatus status) {
  ByteBuf buffer;
  FullHttpRequest requestSent = makeHttpGetRequest(HOST, PATH);
  // Need to send a copy as the content read index will advance after the request is written to
  // the outbound of client channel, making comparison with requestReceived fail.
  assertThat(clientChannel.writeOutbound(requestSent.copy())).isTrue();
  buffer = clientChannel.readOutbound();
  assertThat(channel.writeInbound(buffer)).isTrue();
  // We only have a DefaultHttpRequest, not a FullHttpRequest because there is no HTTP aggregator
  // in the server's pipeline. But it is fine as we are not interested in the content (payload) of
  // the request, just its headers, which are contained in the DefaultHttpRequest.
  DefaultHttpRequest requestReceived = channel.readInbound();
  // Verify that the request received is the same as the request sent.
  assertHttpRequestEquivalent(requestSent, requestReceived);

  FullHttpResponse responseSent = makeHttpResponse(status);
  assertThat(channel.writeOutbound(responseSent.copy())).isTrue();
  buffer = channel.readOutbound();
  assertThat(clientChannel.writeInbound(buffer)).isTrue();
  FullHttpResponse responseReceived = clientChannel.readInbound();
  // Verify that the request received is the same as the request sent.
  assertHttpResponseEquivalent(responseSent, responseReceived);
}
 

private static void sendHttpResponse(
    ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);
        buf.release();
        HttpHeaders.setContentLength(res, res.content().readableBytes());
    }
    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaders.isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}
 

HandlerResponse(HandlerRequest request,
                AffinityScheduler scheduler,
                TriConsumer<FullHttpResponse, Runnable, Consumer<Throwable>> writer) {
    this.httpVer = request.version();
    this.scheduler = scheduler;
    this.writer = writer;
}
 

@Test
public void perTenantMetricsOn_shouldRecordDelayedMetrics() throws Exception {
    BluefloodSet set1 = new BluefloodSet("delayed.me.1.set.a.b", new String[]{"", ""});
    BluefloodSet set2 = new BluefloodSet("delayed.me.2.set.a.b", new String[]{"", ""});
    long delayedTime = new DefaultClockImpl().now().getMillis() - 100 -
            Configuration.getInstance().getLongProperty(CoreConfig.ROLLUP_DELAY_MILLIS);
    FullHttpRequest request = createIngestRequest(
                                createRequestBody(TENANT, delayedTime, 0, null, null,
                                        null, new BluefloodSet[]{set1, set2}));

    long ingestedMetricsBefore = ingestedMetrics.getCount();
    long ingestedDelayedMetricsBefore = ingestedDelayedMetrics.getCount();

    ListenableFuture<List<Boolean>> futures = mock(ListenableFuture.class);
    List<Boolean> answers = new ArrayList<>();
    answers.add(Boolean.TRUE);
    when(processor.apply(any())).thenReturn(futures);
    when(futures.get(anyLong(), any())).thenReturn(answers);

    HttpAggregatedIngestionHandler handler = spy(new HttpAggregatedIngestionHandler(processor, new TimeValue(5, TimeUnit.SECONDS), true));
    ArgumentCaptor<FullHttpResponse> argument = ArgumentCaptor.forClass(FullHttpResponse.class);
    handler.handle(context, request);
    verify(channel).write(argument.capture());
    verify(handler, times(1)).recordPerTenantMetrics(eq(TENANT), eq(0), eq(2));

    assertEquals("ingested metrics count", 0, ingestedMetrics.getCount() - ingestedMetricsBefore);
    assertEquals("ingested delayed metrics count", 2, ingestedDelayedMetrics.getCount() - ingestedDelayedMetricsBefore);
}
 

private static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
	ByteBuf content = Unpooled.copiedBuffer(
			"Failure: " + status.toString() + "\r\n",
			CharsetUtil.UTF_8);
	FullHttpResponse fullHttpResponse = new DefaultFullHttpResponse(
			HTTP_1_1,
			status,
			content
	);
	fullHttpResponse.headers().add(CONTENT_TYPE, "text/plain; charset=UTF-8");

	// Close the connection as soon as the error message is sent.
	ctx.write(fullHttpResponse).addListener(ChannelFutureListener.CLOSE);
}
 

private static final FullHttpResponse http_404() {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND);
    HttpHeaders httpHeaders = response.headers();
    httpHeaders.set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
    httpHeaders.set(HttpHeaders.Names.CONTENT_LENGTH, response.content().readableBytes());
    return response;
}
 

public static FullHttpResponse theBase64Image1pxGif() {
	ByteBuf byteBuf = Base64.decode(Unpooled.copiedBuffer(BASE64GIF_BYTES));
	FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK , byteBuf);
	response.headers().set(CONTENT_TYPE, ContentTypePool.GIF);
	response.headers().set(CONTENT_LENGTH, byteBuf.readableBytes());
	response.headers().set(CONNECTION, HEADER_CONNECTION_CLOSE);
	return response;
}
 

@Test
public void testMalformedPinCharsErrors() throws Exception {
   EasyMock.expect(personDao.findById(person.getId())).andReturn(person);
   replay();
   FullHttpRequest req = createRequest(null, "111a");
   FullHttpResponse res = handler.respond(req, ctx);
   assertError(res, Errors.CODE_INVALID_REQUEST);
}
 

/**
 * Read the channel.
 *
 * @param context the context.
 * @param object the object read.
 */
@Override
protected void channelRead0(ChannelHandlerContext context, FullHttpRequest object) {
    NettyHttpServerRequest nettyRequest = new NettyHttpServerRequest(context, object);
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, true);
    NettyHttpServerResponse nettyResponse = new NettyHttpServerResponse(response);
    httpServerProcessor.process(nettyRequest, nettyResponse);
    ChannelFuture future = context.channel().writeAndFlush(response);
    future.addListener(ChannelFutureListener.CLOSE);
}
 

@Override
protected void encode(ChannelHandlerContext ctx, FullHttpResponse response, ByteBuf byteBuf)
    throws Exception {
  if (!response.status().equals(HttpResponseStatus.OK)) {
    throw new NonOkHttpResponseException(response, ctx.channel());
  }
  saveCookies(response);
  byteBuf.writeBytes(encodeFullHttpResponse(response));
}
 

private void writeResponseLocation(Channel channel, String URL) {
    // Decide whether to close the connection or not.
    boolean close = false;
    // Build the response object.
    FullHttpResponse response = new DefaultFullHttpResponse(
            HttpVersion.HTTP_1_1, HttpResponseStatus.FOUND);
    response.headers().set(CONTENT_TYPE, ContentType.HTML);
    response.headers().set(LOCATION, URL);
    response.headers().set(CONTENT_LENGTH, 0);
    // Write the response.
    ChannelFuture future = channel.writeAndFlush(response);
    future.addListener(ChannelFutureListener.CLOSE);
}