Java Code Examples for org.apache.http.httpresponse#addHeader()

public void testSpecialCharacterInErrorPage() throws Exception {
    Properties properties = new Properties();
    properties.put(Parameters.REMOTE_URL_BASE.getName(), "http://localhost");
    HttpResponse response =
            new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), HttpStatus.SC_INTERNAL_SERVER_ERROR,
                    "Internal Server Error");
    response.addHeader("Content-type", "Text/html;Charset=UTF-8");
    HttpEntity httpEntity = new StringEntity("é", "UTF-8");
    response.setEntity(httpEntity);
    mockConnectionManager.setResponse(response);
    Driver driver = createMockDriver(properties, mockConnectionManager);
    CloseableHttpResponse driverResponse;
    try {
        driverResponse = driver.proxy("/", request.build());
        fail("We should get an HttpErrorPage");
    } catch (HttpErrorPage e) {
        driverResponse = e.getHttpResponse();
    }
    assertEquals("é", HttpResponseUtils.toString(driverResponse));
}
 

public void testHeadersPreservedWhenError500() throws Exception {
    Properties properties = new Properties();
    properties.put(Parameters.REMOTE_URL_BASE.getName(), "http://localhost");
    HttpResponse response =
            new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), HttpStatus.SC_INTERNAL_SERVER_ERROR,
                    "Internal Server Error");
    response.addHeader("Content-type", "Text/html;Charset=UTF-8");
    response.addHeader("Dummy", "dummy");
    HttpEntity httpEntity = new StringEntity("Error", "UTF-8");
    response.setEntity(httpEntity);
    mockConnectionManager.setResponse(response);
    Driver driver = createMockDriver(properties, mockConnectionManager);
    CloseableHttpResponse driverResponse;
    try {
        driverResponse = driver.proxy("/", request.build());
        fail("We should get an HttpErrorPage");
    } catch (HttpErrorPage e) {
        driverResponse = e.getHttpResponse();
    }
    int statusCode = driverResponse.getStatusLine().getStatusCode();
    assertEquals("Status code", HttpStatus.SC_INTERNAL_SERVER_ERROR, statusCode);
    assertTrue("Header 'Dummy'", driverResponse.containsHeader("Dummy"));
}
 

/**
 * Test with a cookie sent in the response that contains spaces in the value.
 * 
 * @throws Exception
 */
public void testCookieWithSpaces() throws Exception {
    properties = new PropertiesBuilder() //
            .set(Parameters.REMOTE_URL_BASE, "http://localhost:8080") //
            .set(Parameters.USE_CACHE, false) // Default value
            .build();

    createHttpClientRequestExecutor();
    DriverRequest originalRequest = TestUtils.createDriverRequest(driver);
    OutgoingRequest request =
            httpClientRequestExecutor.createOutgoingRequest(originalRequest, "http://localhost:8080", false);
    HttpResponse response = createMockResponse("");
    response.addHeader("Set-Cookie", "test=\"a b\"; Version=1");
    mockConnectionManager.setResponse(response);
    httpClientRequestExecutor.execute(request);
    assertEquals(1, originalRequest.getOriginalRequest().getNewCookies().length);
    assertEquals("a b", originalRequest.getOriginalRequest().getNewCookies()[0].getValue());
}
 

@Override
public HttpResponse build() {
	ProtocolVersion protocolVersion = new ProtocolVersion("HTTP", 1, 1);
	StatusLine statusLine = new BasicStatusLine(protocolVersion, status, "");
	HttpResponse response = new BasicHttpResponse(statusLine);

	InputStream is = new ByteArrayInputStream(body.getBytes(StandardCharsets.UTF_8));
	BasicHttpEntity entity = new BasicHttpEntity();
	entity.setContent(is);
	response.setEntity(entity);

	for (Map.Entry<String, List<String>> header : headers.entrySet()) {
		for (String value : header.getValue()) {
			response.addHeader(header.getKey(), value);
		}
	}

	return response;
}
 

/**
 * Test that we don't have a NullpointerException when forcing the caching (ttl).
 * 
 * @throws Exception
 */
public void testForcedTtlWith302ResponseCode() throws Exception {
    properties = new PropertiesBuilder() //
            .set(Parameters.REMOTE_URL_BASE, "http://localhost:8080") //
            .set(Parameters.TTL, 1000) //
            .build();

    createHttpClientRequestExecutor();
    DriverRequest originalRequest = TestUtils.createDriverRequest(driver);
    OutgoingRequest request =
            httpClientRequestExecutor.createOutgoingRequest(originalRequest, "http://localhost:8080", true);
    HttpResponse response =
            new BasicHttpResponse(new BasicStatusLine(new ProtocolVersion("HTTP", 1, 1),
                    HttpStatus.SC_MOVED_TEMPORARILY, "Moved temporarily"));
    response.addHeader("Location", "http://www.foo.com");
    mockConnectionManager.setResponse(response);
    HttpResponse result = httpClientRequestExecutor.execute(request);
    if (result.getEntity() != null) {
        result.getEntity().writeTo(new NullOutputStream());
        // We should have had a NullpointerException
    }
}
 

@Override
public Map<String, Header> getChallenges(
    final HttpHost authhost, final HttpResponse response, final HttpContext context)
    throws MalformedChallengeException
{
  HttpRequest request = (HttpRequest) context.getAttribute(REQUEST_ATTRIBUTE);
  if (request != null) {
    Optional<Header> bearerTokenRequestOpt = getBearerHeader(request, HttpHeaders.AUTHORIZATION);
    Optional<Header> bearerTokenResponseOpt = getBearerHeader(response, HttpHeaders.WWW_AUTHENTICATE);

    /*
      Add necessary bearer token from request to response if it's absent, it's required for avoid infinite loop in docker
      (see NEXUS-23360)
     */
    if (bearerTokenRequestOpt.isPresent() && !bearerTokenResponseOpt.isPresent()) {
      response.addHeader(HttpHeaders.WWW_AUTHENTICATE, bearerTokenRequestOpt.get().getValue());
    }
  }
  return super.getChallenges(authhost, response, context);
}
 

/**
 * Construct an HTTP redirect response. Note that this uses code 302, not 301.
 *
 * @param dest path to the destination. This is absolute path not including the domain.
 */
public static Void redirect(HttpAsyncExchange exchange, String dest, Map<String, String> params) throws IOException {
	String location = "";
	try {
		URIBuilder builder = new URIBuilder(exchange.getRequest().getRequestLine().getUri());
		builder.clearParameters();
		for (Entry<String, String> entry : params.entrySet()) {
			builder.setParameter(entry.getKey(), entry.getValue());
		}
		location = builder.setPath(dest).build().toString();
	} catch (URISyntaxException e) {
		LOGGER.log(Level.WARNING, "Unable to parse request URI.", e);
		return prepareTextResponse(exchange, 500, "Unable to parse request URI.");
	}

	HttpResponse response = exchange.getResponse();
	response.setStatusCode(302);
	response.addHeader("Location", location);
	exchange.submitResponse(new BasicAsyncResponseProducer(response));
	return null;
}
 

/**
 * 0000174: Redirect location with default port specified are incorrectly rewritten when preserveHost=true
 * <p>
 * http://www.esigate.org/mantisbt/view.php?id=174
 * 
 * <p>
 * Issue with default ports, which results in invalid url creation.
 * 
 * @throws Exception
 */
public void testRewriteRedirectResponseWithDefaultPortSpecifiedInLocation() throws Exception {
    // Conf
    Properties properties = new PropertiesBuilder() //
            .set(Parameters.REMOTE_URL_BASE, "http://www.foo.com:8080") //
            .set(Parameters.PRESERVE_HOST, true) //
            .build();

    HttpResponse response =
            new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), HttpStatus.SC_MOVED_TEMPORARILY, "Found");
    // The backend server sets the port even if default (OK it should not
    // but some servers do it)
    response.addHeader("Location", "http://www.foo.com:80/foo/bar");
    mockConnectionManager.setResponse(response);
    Driver driver = createMockDriver(properties, mockConnectionManager);
    request = TestUtils.createIncomingRequest("http://www.foo.com:80/foo");
    // HttpClientHelper will use the Host
    // header to rewrite the request sent to the backend
    // http://www.foo.com/foo
    CloseableHttpResponse driverResponse = driver.proxy("/foo", request.build());
    // The test initially failed with an invalid Location:
    // http://www.foo.com:80:80/foo/bar
    assertEquals("http://www.foo.com:80/foo/bar", driverResponse.getFirstHeader("Location").getValue());
}
 

/**
 * Generates the services list.
 *
 * @param response    HttpResponse
 * @param conn        NHttpServerConnection
 * @param os          OutputStream
 * @param servicePath service path of the service
 */
protected void generateServicesList(HttpResponse response,
                                    NHttpServerConnection conn,
                                    OutputStream os, String servicePath) {
    try {
        byte[] bytes = getServicesHTML(
                servicePath.endsWith("/") ? "" : servicePath + "/").getBytes();
        response.addHeader(CONTENT_TYPE, TEXT_HTML);
        SourceContext.updateState(conn, ProtocolState.WSDL_RESPONSE_DONE);
        sourceHandler.commitResponseHideExceptions(conn, response);
        os.write(bytes);

    } catch (IOException e) {
        handleBrowserException(response, conn, os,
                "Error generating services list", e);
    }
}
 

HttpResponse callBackend(HttpHost target, HttpRequest request,
		HttpContext context) throws IOException {

	Date requestDate = getCurrentDate();

	log.debug("Calling the backend");
	HttpResponse backendResponse = backend
			.execute(target, request, context);
	backendResponse.addHeader("Via", generateViaHeader(backendResponse));
	return handleBackendResponse(target, request, requestDate,
			getCurrentDate(), backendResponse);

}
 

/**
 * <p>
 * Test bug Bug 142 (1st case).
 * <p>
 * 0000142: Error with 304 backend responses
 * <p>
 * NPE in Apache HTTP CLient cache
 * <p>
 * See :http://www.esigate.org/mantisbt/view.php?id=142
 * 
 * @throws Exception
 */
public void testBug142() throws Exception {
    Properties properties = new Properties();
    properties.put(Parameters.REMOTE_URL_BASE.getName(), "http://www.foo.com/");
    properties.put(Parameters.TTL.getName(), "43200");
    properties.put(Parameters.PRESERVE_HOST.getName(), "true");
    properties.put(Parameters.USE_CACHE.getName(), true);

    HttpResponse response =
            new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), HttpStatus.SC_NOT_MODIFIED, "Not Modified");
    response.addHeader("Etag", "b5e3f57c0e84fc7a197b849fdfd3d407");
    response.addHeader("Date", "Thu, 13 Dec 2012 07:28:01 GMT");
    mockConnectionManager.setResponse(response);
    Driver driver = createMockDriver(properties, mockConnectionManager);

    // First request
    request = TestUtils.createIncomingRequest("http://www.bar.com/foo/");
    request.addHeader("If-None-Match", "b5e3f57c0e84fc7a197b849fdfd3d407");
    request.addHeader("Accept", "text/html,application/xhtml+xml,application/xml");
    request.addHeader("If-Modified-Since", "Fri, 15 Jun 2012 21:06:25 GMT");
    request.addHeader("Cache-Control", "max-age=0");
    CloseableHttpResponse driverResponse = driver.proxy("/foo/", request.build());
    assertEquals(HttpStatus.SC_NOT_MODIFIED, driverResponse.getStatusLine().getStatusCode());

    // Second request
    request = TestUtils.createIncomingRequest("http://www.bar.com/foo/");
    request.addHeader("If-None-Match", "b5e3f57c0e84fc7a197b849fdfd3d407");
    request.addHeader("Accept", "text/html,application/xhtml+xml,application/xml");
    request.addHeader("If-Modified-Since", "Fri, 15 Jun 2012 21:06:25 GMT");
    request.addHeader("Cache-Control", "max-age=0");

    driverResponse = driver.proxy("/foo/", request.build());
    assertEquals(HttpStatus.SC_NOT_MODIFIED, driverResponse.getStatusLine().getStatusCode());
}
 

public static DummyResponseServerBehavior build(int statusCode, String statusMessage, String content) {
    HttpResponse response = new BasicHttpResponse(
            new BasicStatusLine(new ProtocolVersion("HTTP", 1, 1), statusCode, statusMessage));
    setEntity(response, content);
    response.addHeader("Content-Length", String.valueOf(content.getBytes().length));
    response.addHeader("Connection", "close");
    return new DummyResponseServerBehavior(response);
}
 

private AsyncRequestWrapperImpl createAsyncRequestWrapperImplWithRetryAfter(int retryAfter)
    throws IOException, URISyntaxException {

  HttpClient httpClient = mock(HttpClient.class);
  ODataClient oDataClient = mock(ODataClient.class);
  Configuration configuration = mock(Configuration.class);
  HttpClientFactory httpClientFactory = mock(HttpClientFactory.class);
  HttpUriRequestFactory httpUriRequestFactory = mock(HttpUriRequestFactory.class);
  HttpUriRequest httpUriRequest = mock(HttpUriRequest.class);

  when(oDataClient.getConfiguration()).thenReturn(configuration);
  when(configuration.getHttpClientFactory()).thenReturn(httpClientFactory);
  when(configuration.getHttpUriRequestFactory()).thenReturn(httpUriRequestFactory);
  when(httpClientFactory.create(any(), any())).thenReturn(httpClient);
  when(httpUriRequestFactory.create(any(), any())).thenReturn(httpUriRequest);

  HttpResponseFactory factory = new DefaultHttpResponseFactory();
  HttpResponse firstResponse = factory.newHttpResponse(
      new BasicStatusLine(HttpVersion.HTTP_1_1, 202, null), null);
  firstResponse.addHeader(HttpHeader.LOCATION, "http://localhost/monitor");
  firstResponse.addHeader(HttpHeader.RETRY_AFTER, String.valueOf(retryAfter));
  when(httpClient.execute(any(HttpUriRequest.class))).thenReturn(firstResponse);

  AbstractODataRequest oDataRequest = mock(AbstractODataRequest.class);
  ODataResponse oDataResponse = mock(ODataResponse.class);
  when(oDataRequest.getResponseTemplate()).thenReturn(oDataResponse);
  when(oDataRequest.getURI()).thenReturn(new URI("http://localhost/path"));
  when(oDataResponse.initFromHttpResponse(any(HttpResponse.class))).thenReturn(null);

  return new AsyncRequestWrapperImpl(oDataClient, oDataRequest);
}
 

private void ensure200ForOPTIONSRequestWithNoBodyHasContentLengthZero(
		HttpRequest request, HttpResponse response) {
	if (!request.getRequestLine().getMethod()
			.equalsIgnoreCase(HeaderConstants.OPTIONS_METHOD)) {
		return;
	}

	if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
		return;
	}

	if (response.getFirstHeader(HTTP.CONTENT_LEN) == null) {
		response.addHeader(HTTP.CONTENT_LEN, "0");
	}
}
 

public void testGzipErrorPage() throws Exception {
    Properties properties = new Properties();
    properties.put(Parameters.REMOTE_URL_BASE.getName(), "http://localhost");
    HttpResponse response =
            new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), HttpStatus.SC_INTERNAL_SERVER_ERROR,
                    "Internal Server Error");
    response.addHeader("Content-type", "Text/html;Charset=UTF-8");
    response.addHeader("Content-encoding", "gzip");
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzos = new GZIPOutputStream(baos);
    byte[] uncompressedBytes = "é".getBytes("UTF-8");
    gzos.write(uncompressedBytes, 0, uncompressedBytes.length);
    gzos.close();
    byte[] compressedBytes = baos.toByteArray();
    ByteArrayEntity httpEntity = new ByteArrayEntity(compressedBytes);
    httpEntity.setContentType("Text/html;Charset=UTF-8");
    httpEntity.setContentEncoding("gzip");
    response.setEntity(httpEntity);
    mockConnectionManager.setResponse(response);
    Driver driver = createMockDriver(properties, mockConnectionManager);
    CloseableHttpResponse driverResponse;
    try {
        driverResponse = driver.proxy("/", request.build());
        fail("We should get an HttpErrorPage");
    } catch (HttpErrorPage e) {
        driverResponse = e.getHttpResponse();
    }
    assertEquals("é", HttpResponseUtils.toString(driverResponse));
}
 

/**
 * This method can be used directly to move an header.
 * 
 * @param response
 *            HTTP response
 * @param srcName
 *            source header name
 * @param targetName
 *            target header name
 */
public static void moveHeader(HttpResponse response, String srcName, String targetName) {
    if (response.containsHeader(srcName)) {
        LOG.info("Moving header {} to {}", srcName, targetName);

        Header[] headers = response.getHeaders(srcName);
        response.removeHeaders(targetName);
        for (Header h : headers) {
            response.addHeader(targetName, h.getValue());
        }
        response.removeHeaders(srcName);
    }
}
 

private void processWithGetProcessor(HttpRequest request,
                                      HttpResponse response,
                                      String requestUri,
                                      String requestUrl,
                                      String queryString,
                                      String item,
                                      OutputStream outputStream,
                                      NHttpServerConnection conn) throws Exception {
     OverflowBlob temporaryData = new OverflowBlob(256, 4048, "_nhttp", ".dat");
     try {
         CarbonHttpRequest carbonHttpRequest = new CarbonHttpRequest(
                 "GET", requestUri, requestUrl);

         String uri = request.getRequestLine().getUri();
         // setting the parameters for nhttp transport
         int pos = uri.indexOf("?");
         if (pos != -1) {
             StringTokenizer st = new StringTokenizer(uri.substring(pos + 1), "&");
             while (st.hasMoreTokens()) {
                 String param = st.nextToken();
                 pos = param.indexOf("=");
                 if (pos != -1) {
                     carbonHttpRequest.setParameter(
                             param.substring(0, pos), param.substring(pos + 1));
                 } else {
                     carbonHttpRequest.setParameter(param, null);
                 }
             }
         }

         carbonHttpRequest.setContextPath(cfgCtx.getServiceContextPath());
         carbonHttpRequest.setQueryString(queryString);

         CarbonHttpResponse carbonHttpResponse = new CarbonHttpResponse(
                 temporaryData.getOutputStream());

         (getRequestProcessors.get(item)).process(carbonHttpRequest, carbonHttpResponse, cfgCtx);
         
          // adding headers
         Map<String, String> responseHeaderMap = carbonHttpResponse.getHeaders();
         for (Object key : responseHeaderMap.keySet()) {
             Object value = responseHeaderMap.get(key);
             response.addHeader(key.toString(), value.toString());
         }

         // setting status code
         response.setStatusCode(carbonHttpResponse.getStatusCode());

         // setting error codes
         if (carbonHttpResponse.isError()) {
             if (carbonHttpResponse.getStatusMessage() != null) {
                 response.setStatusLine(response.getProtocolVersion(),
                         carbonHttpResponse.getStatusCode(),
                         carbonHttpResponse.getStatusMessage());
             } else {
                 response.setStatusLine(response.getProtocolVersion(),
                         carbonHttpResponse.getStatusCode());
             }
         }

         if (carbonHttpResponse.isRedirect()) {
             response.addHeader("Location", carbonHttpResponse.getRedirect());
             response.setStatusLine(response.getProtocolVersion(), 302);
         }

         SourceContext.updateState(conn, ProtocolState.WSDL_RESPONSE_DONE);
        
         
         try{
         temporaryData.writeTo(outputStream);
         }catch (Exception e) {
	e.printStackTrace();
}

         try {
             outputStream.flush();
             outputStream.close();
         } catch (Exception ignored) {}
     } finally {
         temporaryData.release();
         sourceHandler.commitResponseHideExceptions(conn, response);
         
     }
 }
 

@Test
public void itHandlesJWT() {
    mixerAPI = new MixerAPI("clientId");
    defaultHttpClient = mock(HttpClient.class);

    final String jwtString = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOjU3NDk5NSwiYnR5cCI6ImdyYW50IiwiZ3JvdXBzIjpbeyJpZCI6MSwibmFtZSI6IlVzZXIiLCJVc2VyR3JvdXAiOnsiZ3JvdXBJZCI6MSwidXNlcklkIjo1NzQ5OTV9fV0sImlhdCI6MTQ4MTE0NDQ0NywiZXhwIjoxNTEyNjgwNDQ3LCJpc3MiOiJCZWFtIiwianRpIjoiVGhpcyBpc24ndCBhIHJlYWwgc2Vzc2lvbi4ifQ==.HkL5xq-eivwCk5OgczgIu5s_NFFxdQAKH9Jfb906aT4";

    final JSONWebToken.Group jwtGroup = new JSONWebToken.Group();
    jwtGroup.id = 1L;
    jwtGroup.name = "User";

    final JSONWebToken jwt = new JSONWebToken();
    jwt.exp = 1512680447L;
    jwt.iat = 1481144447L;
    jwt.iss = "Mixer";
    jwt.jti = "This isn't a real session.";
    jwt.sub = 574995L;
    jwt.btyp = "grant";
    jwt.groups = new JSONWebToken.Group[]{jwtGroup};

    // This is done because Mockito is not able to mock methods that are called within the class'
    // Constructor.
    class MockableMixerHttpClient extends MixerHttpClient {
        private MockableMixerHttpClient(MixerAPI mixer) {
            super(mixer, "clientId");
        }

        @Override
        protected HttpClient buildHttpClient() {
            return defaultHttpClient;
        }
    }

    mixerHttpClient = new MockableMixerHttpClient(mixerAPI);

    HttpResponse okResponse = prepareResponse(200, "{\"id\":314,\"userId\":344,\"token\":\"Mixer\",\"online\":false,\"featured\":false,\"partnered\":false,\"transcodingProfileId\":1,\"suspended\":false,\"name\":\"Weekly Updates and more!\"}");
    okResponse.addHeader(new BasicHeader(X_JWT_HEADER, jwtString));

    try {
        doReturn(okResponse).when(defaultHttpClient).execute(any(HttpUriRequest.class), isNull(HttpContext.class));
    } catch (IOException e) {
        Assert.fail();
    }

    Futures.addCallback(mixerHttpClient.get("/channels/314", MixerUser.class, null), new FutureCallback<MixerUser>() {
        @Override
        public void onSuccess(MixerUser mixerUser) {
            Assert.assertEquals(mixerHttpClient.getJWTString(), jwtString);
            Assert.assertEquals(mixerHttpClient.getJwt(), jwt);
        }

        @Override
        public void onFailure(Throwable throwable) {
            Assert.fail();
        }
    });
}
 

HttpResponse revalidateCacheEntry(HttpHost target, HttpRequest request,
		HttpContext context, HttpCacheEntry cacheEntry) throws IOException,
		ProtocolException {
	HttpRequest conditionalRequest = conditionalRequestBuilder
			.buildConditionalRequest(request, cacheEntry);

	Date requestDate = getCurrentDate();
	HttpResponse backendResponse = backend.execute(target,
			conditionalRequest, context);
	Date responseDate = getCurrentDate();

	final Header entryDateHeader = cacheEntry.getFirstHeader("Date");
	final Header responseDateHeader = backendResponse
			.getFirstHeader("Date");
	if (entryDateHeader != null && responseDateHeader != null) {
		try {
			Date entryDate = DateUtils
					.parseDate(entryDateHeader.getValue());
			Date respDate = DateUtils.parseDate(responseDateHeader
					.getValue());
			if (respDate.before(entryDate)) {
				HttpRequest unconditional = conditionalRequestBuilder
						.buildUnconditionalRequest(request, cacheEntry);
				requestDate = getCurrentDate();
				backendResponse = backend.execute(target, unconditional,
						context);
				responseDate = getCurrentDate();
			}
		} catch (DateParseException e) {
			// either backend response or cached entry did not have a valid
			// Date header, so we can't tell if they are out of order
			// according to the origin clock; thus we can skip the
			// unconditional retry recommended in 13.2.6 of RFC 2616.
		}
	}

	backendResponse.addHeader("Via", generateViaHeader(backendResponse));

	int statusCode = backendResponse.getStatusLine().getStatusCode();
	if (statusCode == HttpStatus.SC_NOT_MODIFIED
			|| statusCode == HttpStatus.SC_OK) {
		cacheUpdates.getAndIncrement();
		setResponseStatus(context, CacheResponseStatus.VALIDATED);
	}

	if (statusCode == HttpStatus.SC_NOT_MODIFIED) {
		HttpCacheEntry updatedEntry = responseCache.updateCacheEntry(
				target, request, cacheEntry, backendResponse, requestDate,
				responseDate);
		if (suitabilityChecker.isConditional(request)
				&& suitabilityChecker.allConditionalsMatch(request,
						updatedEntry, new Date())) {
			return responseGenerator
					.generateNotModifiedResponse(updatedEntry);
		}
		return responseGenerator.generateResponse(updatedEntry);
	}

	return handleBackendResponse(target, conditionalRequest, requestDate,
			responseDate, backendResponse);
}
 

public HttpResponse execute(HttpRequestBase rq) throws IOException {
  URI uri = rq.getURI();
  DapController controller = getController(uri);
  StandaloneMockMvcBuilder mvcbuilder = MockMvcBuilders.standaloneSetup(controller);
  mvcbuilder.setValidator(new TestServlet.NullValidator());
  MockMvc mockMvc = mvcbuilder.build();
  MockHttpServletRequestBuilder mockrb = MockMvcRequestBuilders.get(uri);
  // We need to use only the path part
  mockrb.servletPath(uri.getPath());
  // Move any headers from rq to mockrb
  Header[] headers = rq.getAllHeaders();
  for (int i = 0; i < headers.length; i++) {
    Header h = headers[i];
    mockrb.header(h.getName(), h.getValue());
  }
  // Since the url has the query parameters,
  // they will automatically be parsed and added
  // to the rb parameters.

  // Finally set the resource dir
  mockrb.requestAttr("RESOURCEDIR", this.resourcepath);

  // Now invoke the servlet
  MvcResult result;
  try {
    result = mockMvc.perform(mockrb).andReturn();
  } catch (Exception e) {
    throw new IOException(e);
  }

  // Collect the output
  MockHttpServletResponse res = result.getResponse();
  byte[] byteresult = res.getContentAsByteArray();

  // Convert to HttpResponse
  HttpResponse response = new BasicHttpResponse(HttpVersion.HTTP_1_1, res.getStatus(), "");
  if (response == null)
    throw new IOException("HTTPMethod.executeMock: Response was null");
  Collection<String> keys = res.getHeaderNames();
  // Move headers to the response
  for (String key : keys) {
    List<String> values = res.getHeaders(key);
    for (String v : values) {
      response.addHeader(key, v);
    }
  }
  ByteArrayEntity entity = new ByteArrayEntity(byteresult);
  String sct = res.getContentType();
  entity.setContentType(sct);
  response.setEntity(entity);
  return response;
}