Examples with RestResponseBuilder com.linkedin.r2.message.rest.RestResponseBuilder used on opensource projects

Example 1 with RestResponseBuilder

use of com.linkedin.r2.message.rest.RestResponseBuilder in project rest.li by linkedin.

the class RestLiResponseHandler method buildResponse.

/**
   * Build a RestResponse from PartialRestResponse and RoutingResult.
   *
   * @param routingResult
   *          {@link RoutingResult}
   * @param partialResponse
   *          {@link PartialRestResponse}
   * @return
   */
public RestResponse buildResponse(final RoutingResult routingResult, PartialRestResponse partialResponse) {
    List<String> cookies = CookieUtil.encodeSetCookies(partialResponse.getCookies());
    RestResponseBuilder builder = new RestResponseBuilder().setHeaders(partialResponse.getHeaders()).setCookies(cookies).setStatus(partialResponse.getStatus().getCode());
    if (partialResponse.hasData()) {
        DataMap dataMap = partialResponse.getDataMap();
        String mimeType = ((ServerResourceContext) routingResult.getContext()).getResponseMimeType();
        builder = encodeResult(mimeType, builder, dataMap);
    }
    return builder.build();
}

Example 2 with RestResponseBuilder

use of com.linkedin.r2.message.rest.RestResponseBuilder in project rest.li by linkedin.

the class RAPResponseHandler method channelRead0.

@Override
protected void channelRead0(ChannelHandlerContext ctx, RestResponse response) throws Exception {
    final Map<String, String> headers = new TreeMap<String, String>(String.CASE_INSENSITIVE_ORDER);
    final Map<String, String> wireAttrs = new TreeMap<String, String>(String.CASE_INSENSITIVE_ORDER);
    headers.putAll(response.getHeaders());
    wireAttrs.putAll(WireAttributeHelper.removeWireAttributes(headers));
    final RestResponse newResponse = new RestResponseBuilder(response).unsafeSetHeaders(headers).build();
    // In general there should always be a callback to handle a received message,
    // but it could have been removed due to a previous exception or closure on the
    // channel
    TransportCallback<RestResponse> callback = ctx.channel().attr(CALLBACK_ATTR_KEY).getAndRemove();
    if (callback != null) {
        LOG.debug("{}: handling a response", ctx.channel().remoteAddress());
        callback.onResponse(TransportResponseImpl.success(newResponse, wireAttrs));
    } else {
        LOG.debug("{}: dropped a response", ctx.channel().remoteAddress());
    }
    ctx.fireChannelRead(response);
}

Example 3 with RestResponseBuilder

use of com.linkedin.r2.message.rest.RestResponseBuilder in project rest.li by linkedin.

the class TestChannelPoolHandler method testConnectionClose.

@Test(dataProvider = "connectionClose")
public void testConnectionClose(String headerName, String headerValue) {
    EmbeddedChannel ch = new EmbeddedChannel(new ChannelPoolHandler());
    FakePool pool = new FakePool();
    ch.attr(ChannelPoolHandler.CHANNEL_POOL_ATTR_KEY).set(pool);
    RestResponse response = new RestResponseBuilder().setHeader(headerName, headerValue).build();
    ch.writeInbound(response);
    Assert.assertTrue(pool.isDisposeCalled());
    Assert.assertFalse(pool.isPutCalled());
}

Example 4 with RestResponseBuilder

use of com.linkedin.r2.message.rest.RestResponseBuilder in project rest.li by linkedin.

the class TestRestLiCallback method testOnErrorWithFiltersSuccessfulyHandlingAppEx.

@SuppressWarnings("unchecked")
@Test
public void testOnErrorWithFiltersSuccessfulyHandlingAppEx() throws Exception {
    Exception exFromApp = new RuntimeException("Runtime exception from app");
    RestLiServiceException appException = new RestLiServiceException(HttpStatus.S_404_NOT_FOUND);
    RequestExecutionReport executionReport = new RequestExecutionReportBuilder().build();
    RestLiResponseAttachments responseAttachments = new RestLiResponseAttachments.Builder().build();
    final Map<String, String> headersFromApp = Maps.newHashMap();
    headersFromApp.put("Key", "Input");
    final RecordTemplate entityFromFilter = Foo.createFoo("Key", "Two");
    final Map<String, String> headersFromFilter = Maps.newHashMap();
    headersFromFilter.put("Key", "Output");
    RestLiResponseDataImpl responseData = new RestLiResponseDataImpl(appException, headersFromApp, Collections.<HttpCookie>emptyList());
    responseData.setResponseEnvelope(new CreateResponseEnvelope(new EmptyRecord(), responseData));
    PartialRestResponse partialResponse = new PartialRestResponse.Builder().build();
    ArgumentCaptor<RestLiServiceException> exCapture = ArgumentCaptor.forClass(RestLiServiceException.class);
    when(_requestExecutionReportBuilder.build()).thenReturn(executionReport);
    when(_responseHandler.buildExceptionResponseData(eq(_restRequest), eq(_routingResult), exCapture.capture(), anyMap(), anyList())).thenReturn(responseData);
    when(_responseHandler.buildPartialResponse(_routingResult, responseData)).thenReturn(partialResponse);
    // Mock the behavior of the first filter.
    doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            Throwable t = (Throwable) args[0];
            FilterRequestContext requestContext = (FilterRequestContext) args[1];
            FilterResponseContext responseContext = (FilterResponseContext) args[2];
            // Verify incoming data.
            assertEquals(HttpStatus.S_404_NOT_FOUND, responseContext.getResponseData().getStatus());
            assertEquals(headersFromApp, responseContext.getResponseData().getHeaders());
            assertNull(responseContext.getResponseData().getRecordResponseEnvelope().getRecord());
            // Modify data in filter.
            setStatus(responseContext, HttpStatus.S_400_BAD_REQUEST);
            responseContext.getResponseData().getHeaders().clear();
            return CompletableFuture.completedFuture(null);
        }
    }).when(_filter).onError(any(Throwable.class), eq(_filterRequestContext), any(FilterResponseContext.class));
    doAnswer(new Answer<Object>() {

        // Mock the behavior of the second filter.
        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            FilterRequestContext requestContext = (FilterRequestContext) args[0];
            FilterResponseContext responseContext = (FilterResponseContext) args[1];
            // Verify incoming data.
            assertEquals(HttpStatus.S_400_BAD_REQUEST, responseContext.getResponseData().getStatus());
            assertTrue(responseContext.getResponseData().getHeaders().isEmpty());
            assertNull(responseContext.getResponseData().getRecordResponseEnvelope().getRecord());
            // Modify data in filter.
            setStatus(responseContext, HttpStatus.S_403_FORBIDDEN);
            responseContext.getResponseData().getRecordResponseEnvelope().setRecord(entityFromFilter, HttpStatus.S_403_FORBIDDEN);
            responseContext.getResponseData().getHeaders().putAll(headersFromFilter);
            return CompletableFuture.completedFuture(null);
        }
    }).when(_filter).onResponse(eq(_filterRequestContext), any(FilterResponseContext.class));
    RestResponse restResponse = new RestResponseBuilder().build();
    when(_responseHandler.buildResponse(_routingResult, partialResponse)).thenReturn(restResponse);
    // invoke request filters so cursor is in correct place
    when(_filter.onRequest(any(FilterRequestContext.class))).thenReturn(CompletableFuture.completedFuture(null));
    _twoFilterChain.onRequest(_filterRequestContext, _filterResponseContextFactory);
    // Invoke.
    _twoFilterRestLiCallback.onError(exFromApp, executionReport, _requestAttachmentReader, responseAttachments);
    // Verify.
    assertNotNull(responseData);
    assertEquals(HttpStatus.S_403_FORBIDDEN, responseData.getStatus());
    assertEquals(entityFromFilter, responseData.getRecordResponseEnvelope().getRecord());
    assertEquals(headersFromFilter, responseData.getHeaders());
    verify(_responseHandler).buildExceptionResponseData(eq(_restRequest), eq(_routingResult), exCapture.capture(), anyMap(), anyList());
    verify(_responseHandler).buildPartialResponse(_routingResult, responseData);
    verify(_responseHandler).buildResponse(_routingResult, partialResponse);
    verify(_callback).onSuccess(restResponse, executionReport, responseAttachments);
    verify(_restRequest, times(1)).getHeaders();
    verifyZeroInteractions(_routingResult);
    verifyNoMoreInteractions(_restRequest, _responseHandler, _callback);
    RestLiServiceException restliEx = exCapture.getValue();
    assertNotNull(restliEx);
    assertEquals(HttpStatus.S_500_INTERNAL_SERVER_ERROR, restliEx.getStatus());
    assertEquals(exFromApp.getMessage(), restliEx.getMessage());
    assertEquals(exFromApp, restliEx.getCause());
}

Example 5 with RestResponseBuilder

use of com.linkedin.r2.message.rest.RestResponseBuilder in project rest.li by linkedin.

the class TestRestLiCallback method testOnErrorWithFiltersExceptionFromFirstFilterSecondFilterHandles.

@SuppressWarnings("unchecked")
@Test(dataProvider = "provideResponseEntities")
public void testOnErrorWithFiltersExceptionFromFirstFilterSecondFilterHandles(final ResourceMethod resourceMethod, final Object entityFromFilter2) throws Exception {
    // App stuff.
    RestLiServiceException exFromApp = new RestLiServiceException(HttpStatus.S_404_NOT_FOUND, "App failure");
    RequestExecutionReport executionReport = new RequestExecutionReportBuilder().build();
    RestLiResponseAttachments responseAttachments = new RestLiResponseAttachments.Builder().build();
    RestLiServiceException appException = new RestLiServiceException(HttpStatus.S_404_NOT_FOUND);
    RestLiResponseDataImpl responseAppData = new RestLiResponseDataImpl(appException, Collections.<String, String>emptyMap(), Collections.<HttpCookie>emptyList());
    RestLiResponseEnvelope responseAppEnvelope = EnvelopeBuilderUtil.buildBlankResponseEnvelope(resourceMethod, responseAppData);
    responseAppData.setResponseEnvelope(responseAppEnvelope);
    // Filter stuff.
    final Exception exFromFirstFilter = new RuntimeException("Runtime exception from first filter");
    RestLiServiceException filterException = new RestLiServiceException(HttpStatus.S_500_INTERNAL_SERVER_ERROR);
    final Map<String, String> headersFromFilter = Maps.newHashMap();
    headersFromFilter.put(RestConstants.HEADER_RESTLI_PROTOCOL_VERSION, AllProtocolVersions.LATEST_PROTOCOL_VERSION.toString());
    String errorResponseHeaderName = HeaderUtil.getErrorResponseHeaderName(AllProtocolVersions.LATEST_PROTOCOL_VERSION);
    headersFromFilter.put(errorResponseHeaderName, RestConstants.HEADER_VALUE_ERROR);
    RestLiResponseDataImpl responseFilterData = new RestLiResponseDataImpl(filterException, headersFromFilter, Collections.<HttpCookie>emptyList());
    RestLiResponseEnvelope responseFilterEnvelope = EnvelopeBuilderUtil.buildBlankResponseEnvelope(resourceMethod, responseFilterData);
    responseFilterData.setResponseEnvelope(responseFilterEnvelope);
    PartialRestResponse partialResponse = new PartialRestResponse.Builder().build();
    ArgumentCaptor<RestLiServiceException> wrappedExCapture = ArgumentCaptor.forClass(RestLiServiceException.class);
    RestResponse restResponse = new RestResponseBuilder().build();
    final String customHeader = "Custom-Header";
    final String customHeaderValue = "CustomValue";
    // Setup.
    when(_requestExecutionReportBuilder.build()).thenReturn(executionReport);
    when(_responseHandler.buildExceptionResponseData(eq(_restRequest), eq(_routingResult), wrappedExCapture.capture(), anyMap(), anyList())).thenReturn(responseAppData);
    when(_responseHandler.buildPartialResponse(_routingResult, responseAppData)).thenReturn(partialResponse);
    when(_responseHandler.buildResponse(_routingResult, partialResponse)).thenReturn(restResponse);
    when(_restRequest.getHeaders()).thenReturn(null);
    // Mock filter behavior.
    doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            FilterRequestContext requestContext = (FilterRequestContext) args[1];
            FilterResponseContext responseContext = (FilterResponseContext) args[2];
            ((RestLiResponseDataImpl) responseContext.getResponseData()).setException(exFromFirstFilter);
            responseContext.getResponseData().getHeaders().putAll(headersFromFilter);
            return completedFutureWithError(exFromFirstFilter);
        }
    }).doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            FilterRequestContext requestContext = (FilterRequestContext) args[1];
            FilterResponseContext responseContext = (FilterResponseContext) args[2];
            // The second filter should be invoked with details of the exception thrown by the first
            // filter. Verify incoming data.
            assertEquals(responseContext.getResponseData().getStatus(), HttpStatus.S_500_INTERNAL_SERVER_ERROR);
            switch(ResponseType.fromMethodType(resourceMethod)) {
                case SINGLE_ENTITY:
                    assertNull(responseContext.getResponseData().getRecordResponseEnvelope().getRecord());
                    break;
                case GET_COLLECTION:
                    assertNull(responseContext.getResponseData().getCollectionResponseEnvelope().getCollectionResponse());
                    break;
                case CREATE_COLLECTION:
                    assertNull(responseContext.getResponseData().getBatchCreateResponseEnvelope().getCreateResponses());
                    break;
                case BATCH_ENTITIES:
                    assertNull(responseContext.getResponseData().getBatchResponseEnvelope().getBatchResponseMap());
                    break;
                case STATUS_ONLY:
                    break;
            }
            assertEquals(responseContext.getResponseData().getHeaders(), headersFromFilter);
            assertTrue(responseContext.getResponseData().isErrorResponse());
            // Modify data.
            responseContext.getResponseData().getHeaders().put(customHeader, customHeaderValue);
            setStatus(responseContext, HttpStatus.S_402_PAYMENT_REQUIRED);
            // filter.
            if (entityFromFilter2 instanceof RecordTemplate) {
                responseContext.getResponseData().getRecordResponseEnvelope().setRecord((RecordTemplate) entityFromFilter2, HttpStatus.S_402_PAYMENT_REQUIRED);
            } else if (entityFromFilter2 instanceof List) {
                responseContext.getResponseData().getCollectionResponseEnvelope().setCollectionResponse((List<? extends RecordTemplate>) entityFromFilter2, new CollectionMetadata(), null, HttpStatus.S_402_PAYMENT_REQUIRED);
            } else {
                Map<Object, BatchResponseEnvelope.BatchResponseEntry> responseMap = new HashMap<Object, BatchResponseEnvelope.BatchResponseEntry>();
                for (Map.Entry<?, RecordTemplate> entry : ((Map<?, RecordTemplate>) entityFromFilter2).entrySet()) {
                    responseMap.put(entry.getKey(), new BatchResponseEnvelope.BatchResponseEntry(HttpStatus.S_200_OK, entry.getValue()));
                }
                responseContext.getResponseData().getBatchResponseEnvelope().setBatchResponseMap(responseMap, HttpStatus.S_402_PAYMENT_REQUIRED);
            }
            return CompletableFuture.completedFuture(null);
        }
    }).when(_filter).onError(any(Throwable.class), eq(_filterRequestContext), any(FilterResponseContext.class));
    // invoke request filters so cursor is in correct place
    when(_filter.onRequest(any(FilterRequestContext.class))).thenReturn(CompletableFuture.completedFuture(null));
    _twoFilterChain.onRequest(_filterRequestContext, _filterResponseContextFactory);
    // Invoke.
    _twoFilterRestLiCallback.onError(exFromApp, executionReport, _requestAttachmentReader, responseAttachments);
    // Verify.
    verify(_responseHandler).buildExceptionResponseData(eq(_restRequest), eq(_routingResult), wrappedExCapture.capture(), anyMap(), anyList());
    verify(_responseHandler).buildPartialResponse(_routingResult, responseAppData);
    verify(_responseHandler).buildResponse(_routingResult, partialResponse);
    verify(_callback).onSuccess(restResponse, executionReport, responseAttachments);
    verify(_restRequest).getHeaders();
    verifyZeroInteractions(_routingResult);
    verifyNoMoreInteractions(_restRequest, _responseHandler, _callback);
    assertNotNull(responseAppData);
    assertEquals(HttpStatus.S_402_PAYMENT_REQUIRED, responseAppData.getStatus());
    // Only the error header should have been cleared.
    assertFalse(responseAppData.getHeaders().containsKey(errorResponseHeaderName));
    assertEquals(responseAppData.getHeaders().get(customHeader), customHeaderValue);
    if (entityFromFilter2 instanceof RecordTemplate) {
        assertTrue(responseAppData.getResponseType() == ResponseType.SINGLE_ENTITY);
        assertEquals(responseAppData.getRecordResponseEnvelope().getRecord(), entityFromFilter2);
    } else if (entityFromFilter2 instanceof List) {
        if (responseAppData.getResponseType() == ResponseType.GET_COLLECTION) {
            assertEquals(responseAppData.getCollectionResponseEnvelope().getCollectionResponse(), entityFromFilter2);
        } else {
            fail();
        }
    } else {
        assertTrue(responseAppData.getResponseType() == ResponseType.BATCH_ENTITIES);
        Map<Object, RecordTemplate> values = new HashMap<Object, RecordTemplate>();
        for (Map.Entry<?, BatchResponseEnvelope.BatchResponseEntry> entry : responseAppData.getBatchResponseEnvelope().getBatchResponseMap().entrySet()) {
            values.put(entry.getKey(), entry.getValue().getRecord());
        }
        assertEquals(values, entityFromFilter2);
    }
    assertFalse(responseAppData.isErrorResponse());
    RestLiServiceException restliEx = wrappedExCapture.getAllValues().get(0);
    assertNotNull(restliEx);
    assertEquals(exFromApp.getStatus(), restliEx.getStatus());
    assertEquals(exFromApp.getMessage(), restliEx.getMessage());
}