Examples with NextFilter com.linkedin.r2.filter.NextFilter used on opensource projects

Example 16 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestStreamFilterAdapters method testResponseFilterAdapterChangeResponse.

@Test
public void testResponseFilterAdapterChangeResponse() {
    FilterChain fc = adaptAndCreateFilterChain(new RestFilter() {

        @Override
        public void onRestResponse(RestResponse res, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            nextFilter.onResponse(res.builder().setEntity(res.getEntity().asString("UTF8").replace('1', '0').getBytes()).build(), requestContext, wireAttrs);
        }

        @Override
        public void onRestError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
        }
    });
    fc.onStreamResponse(simpleStreamResponse("12345"), FilterUtil.emptyRequestContext(), FilterUtil.emptyWireAttrs());
    StreamResponse capturedResponse = _beforeFilter.getResponse();
    capturedResponse.getEntityStream().setReader(new FullEntityReader(new Callback<ByteString>() {

        @Override
        public void onError(Throwable e) {
            Assert.fail("should not happen");
        }

        @Override
        public void onSuccess(ByteString result) {
            Assert.assertEquals(result.asString("UTF8"), "02345");
        }
    }));
}

Example 17 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestStreamFilterAdapters method testResponseFilterAdapterCallsOnErrorInOnResponse.

@Test
public void testResponseFilterAdapterCallsOnErrorInOnResponse() {
    FilterChain fc = adaptAndCreateFilterChain(new RestFilter() {

        @Override
        public void onRestResponse(RestResponse res, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            nextFilter.onError(simpleRestException(res.getEntity().asString("UTF8")), requestContext, wireAttrs);
        }

        @Override
        public void onRestError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
        }
    });
    fc.onStreamResponse(simpleStreamResponse("12345"), FilterUtil.emptyRequestContext(), FilterUtil.emptyWireAttrs());
    Throwable capturedEx = _beforeFilter.getThrowable();
    Assert.assertTrue(capturedEx instanceof StreamException);
    ((StreamException) capturedEx).getResponse().getEntityStream().setReader(new FullEntityReader(new Callback<ByteString>() {

        @Override
        public void onError(Throwable e) {
            Assert.fail("should not happen");
        }

        @Override
        public void onSuccess(ByteString result) {
            Assert.assertEquals(result.asString("UTF8"), "12345");
        }
    }));
    fc = adaptAndCreateFilterChain(new RestFilter() {

        @Override
        public void onRestResponse(RestResponse res, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            nextFilter.onError(new IllegalStateException(), requestContext, wireAttrs);
        }

        @Override
        public void onRestError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
        }
    });
    fc.onStreamResponse(simpleStreamResponse("12345"), FilterUtil.emptyRequestContext(), FilterUtil.emptyWireAttrs());
    capturedEx = _beforeFilter.getThrowable();
    Assert.assertTrue(capturedEx instanceof IllegalStateException);
}

Example 18 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestServerRetryFilter method testRetryFilter.

@Test
public void testRetryFilter() {
    String retryMessage = "this is a retry";
    ServerRetryFilter retryFilter = new ServerRetryFilter();
    RestFilter captureFilter = new RestFilter() {

        @Override
        public void onRestError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            Assert.assertEquals(wireAttrs.get(R2Constants.RETRY_MESSAGE_ATTRIBUTE_KEY), retryMessage);
        }
    };
    FilterChain filterChain = FilterChains.createRestChain(captureFilter, retryFilter);
    FilterUtil.fireRestError(filterChain, new RestException(null, new RetriableRequestException(retryMessage)), new HashMap<String, String>());
}

Example 19 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestClientRetryFilter method testRetryFilter.

@Test
public void testRetryFilter() {
    String retryMessage = "this is a retry";
    ClientRetryFilter clientRetryFilter = new ClientRetryFilter();
    RestFilter captureFilter = new RestFilter() {

        @Override
        public void onRestError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            Assert.assertTrue(ex instanceof RetriableRequestException);
            Assert.assertEquals(retryMessage, ex.getMessage());
        }
    };
    Map<String, String> wireAttributes = new HashMap<>();
    wireAttributes.put(R2Constants.RETRY_MESSAGE_ATTRIBUTE_KEY, retryMessage);
    FilterChain filterChain = FilterChains.createRestChain(captureFilter, clientRetryFilter);
    FilterUtil.fireRestError(filterChain, new RemoteInvocationException("exception"), wireAttributes);
}

Example 20 with NextFilter

use of com.linkedin.r2.filter.NextFilter in project rest.li by linkedin.

the class TestClientRetryFilter method testNoWireAttribute.

@Test
public void testNoWireAttribute() {
    ClientRetryFilter clientRetryFilter = new ClientRetryFilter();
    RemoteInvocationException exception = new RemoteInvocationException("exception");
    RestFilter captureFilter = new RestFilter() {

        @Override
        public void onRestError(Throwable ex, RequestContext requestContext, Map<String, String> wireAttrs, NextFilter<RestRequest, RestResponse> nextFilter) {
            Assert.assertEquals(exception, ex);
        }
    };
    FilterChain filterChain = FilterChains.createRestChain(captureFilter, clientRetryFilter);
    FilterUtil.fireRestError(filterChain, exception, new HashMap<>());
}