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+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017 Amdocs
+ * ================================================================================
+ * 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=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+package org.onap.aai.sparky.search.filters;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.json.JsonObject;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.component.restlet.RestletConstants;
+import org.onap.aai.cl.api.Logger;
+import org.onap.aai.cl.eelf.LoggerFactory;
+import org.onap.aai.sparky.logging.AaiUiMsgs;
+import org.onap.aai.sparky.search.filters.FilteredSearchHelper;
+import org.onap.aai.sparky.search.filters.entity.UiFilterEntity;
+import org.onap.aai.sparky.search.filters.entity.UiFiltersEntity;
+import org.onap.aai.sparky.viewandinspect.config.TierSupportUiConstants;
+import org.restlet.Request;
+import org.restlet.Response;
+import org.restlet.data.MediaType;
+import org.restlet.data.Status;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class FilterProcessor {
+
+ private static final Logger LOG = LoggerFactory.getInstance().getLogger(FilterProcessor.class);
+
+ private ObjectMapper mapper;
+ private FilteredSearchHelper filteredSearchHelper;
+
+ public FilterProcessor() {
+ this.mapper = new ObjectMapper();
+ }
+
+ public FilterProcessor(FilteredSearchHelper filteredSearchHelper) {
+ this.mapper = new ObjectMapper();
+ this.filteredSearchHelper = filteredSearchHelper;
+ }
+
+ public ObjectMapper getMapper() {
+ return mapper;
+ }
+
+ public FilteredSearchHelper getFilteredSearchHelper() {
+ return filteredSearchHelper;
+ }
+
+ public void setFilteredSearchHelper(FilteredSearchHelper filteredSearchHelper) {
+ this.filteredSearchHelper = filteredSearchHelper;
+ }
+
+ public void getFiltersWithValues(Exchange exchange) {
+ Response response = exchange.getIn().getHeader(RestletConstants.RESTLET_RESPONSE, Response.class);
+
+ Request request = exchange.getIn().getHeader(RestletConstants.RESTLET_REQUEST, Request.class);
+
+ /* Disables automatic Apache Camel Restlet component logging which prints out an undesirable log entry
+ which includes client (e.g. browser) information */
+ request.setLoggable(false);
+
+ UiFiltersEntity viewFiltersList = null;
+ boolean wasErrorDuringFilterDiscovery = false;
+
+ try {
+ String payload = exchange.getIn().getBody(String.class);
+
+ if (payload == null || payload.isEmpty()) {
+ /* Don't throw back an error, just return an empty set */
+ LOG.error(AaiUiMsgs.SEARCH_SERVLET_ERROR, "Request Payload is empty");
+ wasErrorDuringFilterDiscovery = true;
+ } else {
+ String viewName = mapper.readValue(payload, JsonNode.class).get(TierSupportUiConstants.UI_FILTER_VIEW_NAME_PARAMETER).asText();
+
+ if (viewName == null || viewName.isEmpty()) {
+ wasErrorDuringFilterDiscovery = true;
+ } else {
+ viewFiltersList = filteredSearchHelper.doFilterDiscovery(viewName);
+ }
+ }
+ } catch(Exception exc) {
+ LOG.error(AaiUiMsgs.ERROR_GENERIC, "FilterProcessor failed to get filter list due to error = " + exc.getMessage());
+ wasErrorDuringFilterDiscovery = true;
+ }
+
+ boolean wasErrorDuringValueSearch = false;
+ if(!wasErrorDuringFilterDiscovery) {
+ try {
+ if(!viewFiltersList.getFilters().isEmpty()) {
+ List<String> filterIds = new ArrayList<String>();
+
+ for(UiFilterEntity filterEntity : viewFiltersList.getFilters()) {
+ filterIds.add(filterEntity.getFilterId());
+ }
+
+ UiFiltersEntity responseFiltersList = filteredSearchHelper.doFilterEnumeration(filterIds);
+
+ JsonObject finalResponse = UiFiltersEntityConverter.convertUiFiltersEntityToUnifiedFilterResponse(responseFiltersList);
+
+ response.setStatus(Status.SUCCESS_OK);
+ response.setEntity(finalResponse.toString(), MediaType.APPLICATION_JSON);
+ exchange.getOut().setBody(response);
+ } else {
+ wasErrorDuringValueSearch = true;
+ }
+ } catch(Exception exc) {
+ LOG.error(AaiUiMsgs.ERROR_GENERIC, "FilterProcessor failed to generate valid unifiedFilterRequest response due to error, " + exc.getMessage());
+ response.setStatus(Status.SERVER_ERROR_INTERNAL);
+ }
+ }
+
+ // In the case of an error we want to respond with a valid empty response
+ if(wasErrorDuringFilterDiscovery || wasErrorDuringValueSearch) {
+ response.setStatus(Status.SUCCESS_OK);
+ response.setEntity(UiFiltersEntityConverter.generateEmptyResponse().toString(), MediaType.APPLICATION_JSON);
+ exchange.getOut().setBody(response);
+ }
+ }
+
+}