aboutsummaryrefslogtreecommitdiffstats
path: root/catalog-be/src/main/java/org/openecomp/sdc/be/components/distribution/engine/CambriaHandler.java
diff options
context:
space:
mode:
Diffstat (limited to 'catalog-be/src/main/java/org/openecomp/sdc/be/components/distribution/engine/CambriaHandler.java')
-rw-r--r--catalog-be/src/main/java/org/openecomp/sdc/be/components/distribution/engine/CambriaHandler.java610
1 files changed, 610 insertions, 0 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/distribution/engine/CambriaHandler.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/distribution/engine/CambriaHandler.java
new file mode 100644
index 0000000000..3528ed9be3
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/distribution/engine/CambriaHandler.java
@@ -0,0 +1,610 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.components.distribution.engine;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.security.GeneralSecurityException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.http.HttpStatus;
+import org.openecomp.sdc.be.config.BeEcompErrorManager;
+import org.openecomp.sdc.be.distribution.api.client.CambriaOperationStatus;
+import org.openecomp.sdc.common.config.EcompErrorName;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.att.nsa.apiClient.http.HttpException;
+import com.att.nsa.apiClient.http.HttpObjectNotFoundException;
+import com.att.nsa.cambria.client.CambriaBatchingPublisher;
+import com.att.nsa.cambria.client.CambriaClient.CambriaApiException;
+import com.att.nsa.cambria.client.CambriaClientBuilders.TopicManagerBuilder;
+import com.att.nsa.cambria.client.CambriaClientBuilders.PublisherBuilder;
+import com.att.nsa.cambria.client.CambriaClientBuilders.ConsumerBuilder;
+import com.att.nsa.cambria.client.CambriaClientBuilders.IdentityManagerBuilder;
+import com.att.nsa.cambria.client.CambriaConsumer;
+import com.att.nsa.cambria.client.CambriaIdentityManager;
+import com.att.nsa.cambria.client.CambriaPublisher.message;
+import com.att.nsa.cambria.client.CambriaTopicManager;
+import com.google.gson.Gson;
+
+import fj.data.Either;
+
+public class CambriaHandler {
+
+ private static Logger logger = LoggerFactory.getLogger(CambriaHandler.class.getName());
+
+ public static String PARTITION_KEY = "asdc" + "aa";
+
+ private Gson gson = new Gson();
+
+ /**
+ * process the response error from Cambria client
+ *
+ * @param message
+ * @return
+ */
+ private Integer processMessageException(String message) {
+
+ String[] patterns = { "(HTTP Status )(\\d\\d\\d)", "(HTTP/\\d.\\d )(\\d\\d\\d)" };
+
+ Integer result = checkPattern(patterns[0], message, 2);
+ if (result != null) {
+ return result;
+ }
+ result = checkPattern(patterns[1], message, 2);
+
+ return result;
+
+ }
+
+ /**
+ * check whether the message has a match with a given pattern inside it
+ *
+ * @param patternStr
+ * @param message
+ * @param groupIndex
+ * @return
+ */
+ private Integer checkPattern(String patternStr, String message, int groupIndex) {
+ Integer result = null;
+
+ Pattern pattern = Pattern.compile(patternStr);
+ Matcher matcher = pattern.matcher(message);
+ boolean find = matcher.find();
+ if (find) {
+ String httpCode = matcher.group(groupIndex);
+ if (httpCode != null) {
+ try {
+ result = Integer.valueOf(httpCode);
+ } catch (NumberFormatException e) {
+ logger.debug("Failed to parse http code {}", httpCode);
+ }
+ }
+ }
+ return result;
+ }
+
+ /**
+ * retrieve all topics from U-EB server
+ *
+ * @param hostSet
+ * @return
+ */
+ public Either<Set<String>, CambriaErrorResponse> getTopics(List<String> hostSet) {
+
+ CambriaTopicManager createTopicManager = null;
+ try {
+
+ createTopicManager = new TopicManagerBuilder().usingHosts(hostSet).build();
+ Set<String> topics = createTopicManager.getTopics();
+
+ if (topics == null || true == topics.isEmpty()) {
+ CambriaErrorResponse cambriaErrorResponse = new CambriaErrorResponse(CambriaOperationStatus.NOT_FOUND, null);
+ return Either.right(cambriaErrorResponse);
+ }
+
+ return Either.left(topics);
+
+ } catch (IOException | GeneralSecurityException e) {
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ CambriaErrorResponse cambriaErrorResponse = processError(e);
+
+ logger.debug("Failed to fetch topics from U-EB server", e);
+ writeErrorToLog(cambriaErrorResponse, e.getMessage(), methodName, "get topics");
+
+ return Either.right(cambriaErrorResponse);
+ } finally {
+ if (createTopicManager != null) {
+ createTopicManager.close();
+ }
+ }
+
+ }
+
+ /**
+ * process the error message from Cambria client.
+ *
+ * set Cambria status and http code in case we succeed to fetch it
+ *
+ * @param errorMessage
+ * @return
+ */
+ private CambriaErrorResponse processError(Exception e) {
+
+ CambriaErrorResponse cambriaErrorResponse = new CambriaErrorResponse();
+
+ Integer httpCode = processMessageException(e.getMessage());
+
+ if (httpCode != null) {
+ cambriaErrorResponse.setHttpCode(httpCode);
+ switch (httpCode.intValue()) {
+
+ case 401:
+ cambriaErrorResponse.setOperationStatus(CambriaOperationStatus.AUTHENTICATION_ERROR);
+ break;
+ case 409:
+ cambriaErrorResponse.setOperationStatus(CambriaOperationStatus.TOPIC_ALREADY_EXIST);
+ break;
+ case 500:
+ cambriaErrorResponse.setOperationStatus(CambriaOperationStatus.INTERNAL_SERVER_ERROR);
+ break;
+ default:
+ cambriaErrorResponse.setOperationStatus(CambriaOperationStatus.CONNNECTION_ERROR);
+ }
+ } else {
+
+ boolean found = false;
+ Throwable throwable = e.getCause();
+ if (throwable != null) {
+ String message = throwable.getMessage();
+
+ Throwable cause = throwable.getCause();
+
+ if (cause != null) {
+ Class<?> clazz = cause.getClass();
+ String className = clazz.getName();
+ if (className.endsWith("UnknownHostException")) {
+ cambriaErrorResponse.setOperationStatus(CambriaOperationStatus.UNKNOWN_HOST_ERROR);
+ cambriaErrorResponse.addVariable(message);
+ found = true;
+ }
+ }
+ }
+
+ if (false == found) {
+ cambriaErrorResponse.setOperationStatus(CambriaOperationStatus.CONNNECTION_ERROR);
+ cambriaErrorResponse.setHttpCode(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+ }
+ }
+
+ return cambriaErrorResponse;
+ }
+
+ /**
+ * write the error to the log
+ *
+ * @param cambriaErrorResponse
+ * @param errorMessage
+ * @param methodName
+ * @param operationDesc
+ */
+ private void writeErrorToLog(CambriaErrorResponse cambriaErrorResponse, String errorMessage, String methodName, String operationDesc) {
+
+ String httpCode = (cambriaErrorResponse.getHttpCode() == null ? "" : String.valueOf(cambriaErrorResponse.getHttpCode()));
+
+ switch (cambriaErrorResponse.getOperationStatus()) {
+ case UNKNOWN_HOST_ERROR:
+ String hostname = cambriaErrorResponse.getVariables().get(0);
+ BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeUebUnkownHostError, methodName, hostname);
+ BeEcompErrorManager.getInstance().logBeUebUnkownHostError(methodName, httpCode);
+ break;
+ case AUTHENTICATION_ERROR:
+ BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeUebAuthenticationError, methodName, httpCode);
+ BeEcompErrorManager.getInstance().logBeUebAuthenticationError(methodName, httpCode);
+ break;
+ case CONNNECTION_ERROR:
+ BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeUebConnectionError, methodName, httpCode);
+ BeEcompErrorManager.getInstance().logBeUebConnectionError(methodName, httpCode);
+ break;
+
+ case INTERNAL_SERVER_ERROR:
+ BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeUebSystemError, methodName, operationDesc);
+ BeEcompErrorManager.getInstance().logBeUebSystemError(methodName, operationDesc);
+ break;
+
+ }
+
+ }
+
+ /**
+ * create a topic if it does not exists in the topicsList
+ *
+ * @param hostSet
+ * - list of U-EB servers
+ * @param apiKey
+ * @param secretKey
+ * @param topicsList
+ * - list of exists topics
+ * @param topicName
+ * - topic to create
+ * @param partitionCount
+ * @param replicationCount
+ * @return
+ */
+ public CambriaErrorResponse createTopic(Collection<String> hostSet, String apiKey, String secretKey, String topicName, int partitionCount, int replicationCount) {
+
+ CambriaTopicManager createTopicManager = null;
+ try {
+ createTopicManager = new TopicManagerBuilder().usingHosts(hostSet).authenticatedBy(apiKey, secretKey).build();
+ createTopicManager.createTopic(topicName, "ASDC distribution notification topic", partitionCount, replicationCount);
+
+ } catch (GeneralSecurityException | HttpException | IOException e) {
+ logger.debug("Failed to create topic {}", topicName, e);
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ CambriaErrorResponse cambriaErrorResponse = processError(e);
+
+ if (cambriaErrorResponse.getOperationStatus() != CambriaOperationStatus.TOPIC_ALREADY_EXIST) {
+ writeErrorToLog(cambriaErrorResponse, e.getMessage(), methodName, "create topic");
+ }
+
+ return cambriaErrorResponse;
+
+ } finally {
+ if (createTopicManager != null) {
+ createTopicManager.close();
+ }
+ }
+ return new CambriaErrorResponse(CambriaOperationStatus.OK);
+ }
+
+ public CambriaErrorResponse unRegisterFromTopic(Collection<String> hostSet, String topicName, String managerApiKey, String managerSecretKey, String subscriberApiKey, SubscriberTypeEnum subscriberTypeEnum) {
+ CambriaTopicManager createTopicManager = null;
+ try {
+ createTopicManager = new TopicManagerBuilder().usingHosts(hostSet).authenticatedBy(managerApiKey, managerSecretKey).build();
+
+ if (subscriberTypeEnum == SubscriberTypeEnum.PRODUCER) {
+ createTopicManager.revokeProducer(topicName, subscriberApiKey);
+ } else {
+ createTopicManager.revokeConsumer(topicName, subscriberApiKey);
+ }
+
+ } catch (HttpObjectNotFoundException | GeneralSecurityException e) {
+ logger.debug("Failed to unregister {} from topic {} as {}", managerApiKey, topicName, subscriberTypeEnum.toString().toLowerCase(), e);
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeUebObjectNotFoundError, methodName, e.getMessage());
+ BeEcompErrorManager.getInstance().logBeUebObjectNotFoundError(methodName, e.getMessage());
+
+ CambriaErrorResponse cambriaErrorResponse = new CambriaErrorResponse(CambriaOperationStatus.OBJECT_NOT_FOUND, HttpStatus.SC_NOT_FOUND);
+ return cambriaErrorResponse;
+
+ } catch (HttpException | IOException e) {
+ logger.debug("Failed to unregister {} from topic {} as producer", managerApiKey, topicName, e);
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ CambriaErrorResponse cambriaErrorResponse = processError(e);
+
+ writeErrorToLog(cambriaErrorResponse, e.getMessage(), methodName, "unregister from topic as " + subscriberTypeEnum.toString().toLowerCase());
+
+ return cambriaErrorResponse;
+ } finally {
+ if (createTopicManager != null) {
+ createTopicManager.close();
+ }
+ }
+
+ CambriaErrorResponse cambriaErrorResponse = new CambriaErrorResponse(CambriaOperationStatus.OK, HttpStatus.SC_OK);
+ return cambriaErrorResponse;
+ }
+
+ /**
+ *
+ * register a public key (subscriberId) to a given topic as a CONSUMER or PRODUCER
+ *
+ * @param hostSet
+ * @param topicName
+ * @param managerApiKey
+ * @param managerSecretKey
+ * @param subscriberApiKey
+ * @param subscriberTypeEnum
+ * @return
+ */
+ public CambriaErrorResponse registerToTopic(Collection<String> hostSet, String topicName, String managerApiKey, String managerSecretKey, String subscriberApiKey, SubscriberTypeEnum subscriberTypeEnum) {
+
+ CambriaTopicManager createTopicManager = null;
+ try {
+ createTopicManager = new TopicManagerBuilder().usingHosts(hostSet).authenticatedBy(managerApiKey, managerSecretKey).build();
+
+ if (subscriberTypeEnum == SubscriberTypeEnum.PRODUCER) {
+ createTopicManager.allowProducer(topicName, subscriberApiKey);
+ } else {
+ createTopicManager.allowConsumer(topicName, subscriberApiKey);
+ }
+
+ } catch (HttpObjectNotFoundException | GeneralSecurityException e) {
+ logger.debug("Failed to register {} to topic {} as {}", managerApiKey, topicName, subscriberTypeEnum.toString().toLowerCase(), e);
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeUebObjectNotFoundError, methodName, e.getMessage());
+ BeEcompErrorManager.getInstance().logBeUebObjectNotFoundError(methodName, e.getMessage());
+
+ CambriaErrorResponse cambriaErrorResponse = new CambriaErrorResponse(CambriaOperationStatus.OBJECT_NOT_FOUND, HttpStatus.SC_NOT_FOUND);
+ return cambriaErrorResponse;
+
+ } catch (HttpException | IOException e) {
+ logger.debug("Failed to register {} to topic {} as {}", managerApiKey, topicName, subscriberTypeEnum.toString().toLowerCase(), e);
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ CambriaErrorResponse cambriaErrorResponse = processError(e);
+
+ writeErrorToLog(cambriaErrorResponse, e.getMessage(), methodName, "register to topic as " + subscriberTypeEnum.toString().toLowerCase());
+
+ return cambriaErrorResponse;
+ } finally {
+ if (createTopicManager != null) {
+ createTopicManager.close();
+ }
+ }
+
+ CambriaErrorResponse cambriaErrorResponse = new CambriaErrorResponse(CambriaOperationStatus.OK, HttpStatus.SC_OK);
+ return cambriaErrorResponse;
+ }
+
+ /**
+ * create and retrieve a Cambria Consumer for a specific topic
+ *
+ * @param hostSet
+ * @param topicName
+ * @param apiKey
+ * @param secretKey
+ * @param consumerId
+ * @param consumerGroup
+ * @param timeoutMS
+ * @return
+ * @throws Exception
+ */
+ public CambriaConsumer createConsumer(Collection<String> hostSet, String topicName, String apiKey, String secretKey, String consumerId, String consumerGroup, int timeoutMS) throws Exception {
+
+ CambriaConsumer consumer = new ConsumerBuilder().authenticatedBy(apiKey, secretKey).knownAs(consumerGroup, consumerId).onTopic(topicName).usingHosts(hostSet).withSocketTimeout(timeoutMS).build();
+ consumer.setApiCredentials(apiKey, secretKey);
+ return consumer;
+ }
+
+ public void closeConsumer(CambriaConsumer consumer) {
+
+ if (consumer != null) {
+ consumer.close();
+ }
+
+ }
+
+ /**
+ * use the topicConsumer to fetch messages from topic. in case no messages were fetched, empty ArrayList will be returned (not error)
+ *
+ * @param topicConsumer
+ * @return
+ */
+ public Either<Iterable<String>, CambriaErrorResponse> fetchFromTopic(CambriaConsumer topicConsumer) {
+
+ try {
+ Iterable<String> messages = topicConsumer.fetch();
+ if (messages == null) {
+ messages = new ArrayList<String>();
+ }
+ return Either.left(messages);
+
+ } catch (IOException e) {
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ CambriaErrorResponse cambriaErrorResponse = processError(e);
+
+ logger.debug("Failed to fetch from U-EB topic. error={}", e.getMessage());
+ writeErrorToLog(cambriaErrorResponse, e.getMessage(), methodName, "get messages from topic");
+
+ return Either.right(cambriaErrorResponse);
+
+ } catch (Exception e) {
+ logger.debug("Failed to fetch from U-EB topic", e);
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ BeEcompErrorManager.getInstance().processEcompError(EcompErrorName.BeDistributionEngineSystemError, methodName, e.getMessage());
+ BeEcompErrorManager.getInstance().logBeDistributionEngineSystemError(methodName, e.getMessage());
+
+ CambriaErrorResponse cambriaErrorResponse = new CambriaErrorResponse(CambriaOperationStatus.INTERNAL_SERVER_ERROR, HttpStatus.SC_INTERNAL_SERVER_ERROR);
+ return Either.right(cambriaErrorResponse);
+ }
+ }
+
+ /**
+ * Publish notification message to a given queue
+ *
+ * @param topicName
+ * @param uebPublicKey
+ * @param uebSecretKey
+ * @param uebServers
+ * @param data
+ * @return
+ */
+ public CambriaErrorResponse sendNotification(String topicName, String uebPublicKey, String uebSecretKey, List<String> uebServers, INotificationData data) {
+
+ CambriaBatchingPublisher createSimplePublisher = null;
+
+ try {
+
+ String json = gson.toJson(data);
+ logger.trace("Before sending notification data {} to topic {}", json, topicName);
+
+ createSimplePublisher = new PublisherBuilder().onTopic(topicName).usingHosts(uebServers).build();
+ createSimplePublisher.setApiCredentials(uebPublicKey, uebSecretKey);
+
+ int result = createSimplePublisher.send(PARTITION_KEY, json);
+
+ try {
+ Thread.sleep(1 * 1000);
+ } catch (InterruptedException e) {
+ logger.debug("Failed during sleep after sending the message.", e);
+ }
+
+ logger.debug("After sending notification data to topic {}. result is {}", topicName, result);
+
+ CambriaErrorResponse response = new CambriaErrorResponse(CambriaOperationStatus.OK, 200);
+
+ return response;
+
+ } catch (IOException | GeneralSecurityException e) {
+ logger.debug("Failed to send notification {} to topic {} ", data, topicName, e);
+
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ CambriaErrorResponse cambriaErrorResponse = processError(e);
+
+ writeErrorToLog(cambriaErrorResponse, e.getMessage(), methodName, "send notification");
+
+ return cambriaErrorResponse;
+ } finally {
+ if (createSimplePublisher != null) {
+ logger.debug("Before closing publisher");
+ createSimplePublisher.close();
+ logger.debug("After closing publisher");
+ }
+ }
+ }
+
+ private String convertListToString(List<String> list) {
+ StringBuilder builder = new StringBuilder();
+
+ if (list != null) {
+ for (int i = 0; i < list.size(); i++) {
+ builder.append(list.get(i));
+ if (i < list.size() - 1) {
+ builder.append(",");
+ }
+ }
+ }
+
+ return builder.toString();
+ }
+
+ public CambriaErrorResponse sendNotificationAndClose(String topicName, String uebPublicKey, String uebSecretKey, List<String> uebServers, INotificationData data, long waitBeforeCloseTimeout) {
+
+ CambriaBatchingPublisher createSimplePublisher = null;
+
+ CambriaErrorResponse response = null;
+ try {
+
+ String json = gson.toJson(data);
+ logger.debug("Before sending notification data {} to topic {}", json, topicName);
+
+ createSimplePublisher = new PublisherBuilder().onTopic(topicName).usingHosts(uebServers).build();
+ createSimplePublisher.setApiCredentials(uebPublicKey, uebSecretKey);
+
+ int result = createSimplePublisher.send(PARTITION_KEY, json);
+
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ logger.debug("Failed during sleep after sending the message.", e);
+ }
+
+ logger.debug("After sending notification data to topic {}. result is {}", topicName, result);
+
+ } catch (IOException | GeneralSecurityException e) {
+ logger.debug("Failed to send notification {} to topic {} ", data, topicName, e);
+
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+
+ response = processError(e);
+
+ writeErrorToLog(response, e.getMessage(), methodName, "send notification");
+
+ return response;
+
+ }
+
+ logger.debug("Before closing publisher. Maximum timeout is {} seconds.", waitBeforeCloseTimeout);
+ try {
+ List<message> messagesInQ = createSimplePublisher.close(waitBeforeCloseTimeout, TimeUnit.SECONDS);
+ if (messagesInQ != null && false == messagesInQ.isEmpty()) {
+ logger.debug("Cambria client returned {} non sent messages.", messagesInQ.size());
+ response = new CambriaErrorResponse(CambriaOperationStatus.INTERNAL_SERVER_ERROR, 500);
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+ writeErrorToLog(response, "closing publisher returned non sent messages", methodName, "send notification");
+ } else {
+ logger.debug("No message left in the queue after closing cambria publisher");
+ response = new CambriaErrorResponse(CambriaOperationStatus.OK, 200);
+ }
+ } catch (IOException | InterruptedException e) {
+ logger.debug("Failed to close cambria publisher", e);
+ response = new CambriaErrorResponse(CambriaOperationStatus.INTERNAL_SERVER_ERROR, 500);
+ String methodName = new Object() {
+ }.getClass().getEnclosingMethod().getName();
+ writeErrorToLog(response, "closing publisher returned non sent messages", methodName, "send notification");
+ }
+ logger.debug("After closing publisher");
+
+ return response;
+
+ }
+
+ public CambriaErrorResponse getApiKey(String server, String apiKey) {
+
+ CambriaErrorResponse response = null;
+
+ List<String> hostSet = new ArrayList<>();
+ hostSet.add(server);
+ CambriaIdentityManager createIdentityManager = null;
+ try {
+ createIdentityManager = new IdentityManagerBuilder().usingHosts(hostSet).build();
+ createIdentityManager.getApiKey(apiKey);
+ response = new CambriaErrorResponse(CambriaOperationStatus.OK, 200);
+
+ } catch (HttpException | IOException | CambriaApiException | GeneralSecurityException e) {
+ logger.debug("Failed to fetch api key {} from server ", apiKey, server, e);
+
+ response = processError(e);
+
+ }
+
+ return response;
+ }
+
+}