2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * Copyright © 2017-2018 Amdocs
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
21 package org.onap.aai.sparky.aggregatevnf.search;
23 import java.io.IOException;
24 import java.util.ArrayList;
25 import java.util.List;
27 import javax.json.JsonObject;
28 import javax.servlet.http.HttpServletRequest;
30 import org.apache.camel.Exchange;
31 import org.json.JSONArray;
32 import org.json.JSONObject;
33 import org.onap.aai.cl.api.Logger;
34 import org.onap.aai.cl.eelf.LoggerFactory;
35 import org.onap.aai.restclient.client.OperationResult;
36 import org.onap.aai.sparky.dal.ElasticSearchAdapter;
37 import org.onap.aai.sparky.logging.AaiUiMsgs;
38 import org.onap.aai.sparky.logging.util.ServletUtils;
39 import org.onap.aai.sparky.search.filters.FilterQueryBuilder;
40 import org.onap.aai.sparky.search.filters.config.FiltersConfig;
41 import org.onap.aai.sparky.search.filters.entity.SearchFilter;
42 import org.onap.aai.sparky.viewandinspect.config.SparkyConstants;
44 public class AggregateSummaryProcessor {
46 private static final Logger LOG = LoggerFactory.getInstance().getLogger(AggregateSummaryProcessor.class);
48 private static final String KEY_FILTERS = "filters";
50 private ElasticSearchAdapter elasticSearchAdapter = null;
52 private String vnfAggregationIndexName;
53 private FiltersConfig filtersConfig;
55 public AggregateSummaryProcessor(ElasticSearchAdapter elasticSearchAdapter, FiltersConfig filtersConfig) {
56 this.elasticSearchAdapter = elasticSearchAdapter;
57 this.filtersConfig = filtersConfig;
60 public void setVnfAggregationIndexName(String vnfAggregationIndexName) {
61 this.vnfAggregationIndexName = vnfAggregationIndexName;
64 public void getFilteredAggregation(Exchange exchange) {
66 HttpServletRequest request = exchange.getIn().getBody(HttpServletRequest.class);
67 ServletUtils.setUpMdcContext(exchange, request);
71 String payload = exchange.getIn().getBody(String.class);
73 if (payload == null || payload.isEmpty()) {
75 LOG.error(AaiUiMsgs.SEARCH_SERVLET_ERROR, "Request Payload is empty");
78 * Don't throw back an error, just return an empty set
83 JSONObject parameters = new JSONObject(payload);
85 JSONArray requestFilters = null;
86 if (parameters.has(KEY_FILTERS)) {
87 requestFilters = parameters.getJSONArray(KEY_FILTERS);
90 JSONObject zeroResponsePayload = new JSONObject();
91 zeroResponsePayload.put("count", 0);
92 //response.setStatus(Status.SUCCESS_OK);
93 //response.setEntity(zeroResponsePayload.toString(), MediaType.APPLICATION_JSON);
94 exchange.getOut().setBody(zeroResponsePayload.toString());
96 LOG.error(AaiUiMsgs.ERROR_FILTERS_NOT_FOUND);
100 if (requestFilters != null && requestFilters.length() > 0) {
101 List<JSONObject> filtersToQuery = new ArrayList<JSONObject>();
102 for(int i = 0; i < requestFilters.length(); i++) {
103 JSONObject filterEntry = requestFilters.getJSONObject(i);
104 filtersToQuery.add(filterEntry);
107 String jsonResponsePayload = getVnfFilterAggregations(filtersToQuery);
108 exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 200);
109 exchange.getOut().setHeader(Exchange.CONTENT_TYPE, "application/json");
110 exchange.getOut().setBody(jsonResponsePayload);
113 String emptyResponse = getEmptyAggResponse();
114 exchange.getOut().setHeader(Exchange.HTTP_RESPONSE_CODE, 200);
115 exchange.getOut().setHeader(Exchange.CONTENT_TYPE, "application/json");
116 exchange.getOut().setBody(emptyResponse);
117 LOG.error(AaiUiMsgs.ERROR_FILTERS_NOT_FOUND);
120 } catch (Exception exc) {
121 LOG.error(AaiUiMsgs.ERROR_GENERIC, "FilterProcessor failed to get filter list due to error = " + exc.getMessage());
125 private String getEmptyAggResponse() {
126 JSONObject aggPayload = new JSONObject();
127 aggPayload.put("totalChartHits", 0);
128 aggPayload.put("buckets", new JSONArray());
129 JSONObject payload = new JSONObject();
130 payload.append("groupby_aggregation", aggPayload);
132 return payload.toString();
135 private static final String FILTER_ID_KEY = "filterId";
136 private static final String FILTER_VALUE_KEY = "filterValue";
137 private static final int DEFAULT_SHOULD_MATCH_SCORE = 1;
138 private static final String VNF_FILTER_AGGREGATION = "vnfFilterAggregation";
141 private String getVnfFilterAggregations(List<JSONObject> filtersToQuery) throws IOException {
143 List<SearchFilter> searchFilters = new ArrayList<SearchFilter>();
144 for(JSONObject filterEntry : filtersToQuery) {
146 String filterId = filterEntry.getString(FILTER_ID_KEY);
147 if(filterId != null) {
148 SearchFilter filter = new SearchFilter();
149 filter.setFilterId(filterId);
151 if(filterEntry.has(FILTER_VALUE_KEY)) {
152 String filterValue = filterEntry.getString(FILTER_VALUE_KEY);
153 filter.addValue(filterValue);
156 searchFilters.add(filter);
160 // Create query for summary by entity type
161 JsonObject vnfSearch = FilterQueryBuilder.createCombinedBoolAndAggQuery(filtersConfig, searchFilters, DEFAULT_SHOULD_MATCH_SCORE);
163 // Parse response for summary by entity type query
164 OperationResult opResult = elasticSearchAdapter.doPost(
165 elasticSearchAdapter.buildElasticSearchUrlForApi(vnfAggregationIndexName,
166 SparkyConstants.ES_SEARCH_API),
167 vnfSearch.toString(), javax.ws.rs.core.MediaType.APPLICATION_JSON_TYPE);
169 if ( opResult.wasSuccessful()) {
170 return buildAggregateVnfResponseJson(opResult.getResult());
172 return buildEmptyAggregateVnfResponseJson();
176 private String buildEmptyAggregateVnfResponseJson() {
177 JSONObject finalOutputToFe = new JSONObject();
178 finalOutputToFe.put("total", 0);
179 return finalOutputToFe.toString();
182 private String buildAggregateVnfResponseJson(String responseJsonStr) {
184 JSONObject finalOutputToFe = new JSONObject();
185 JSONObject responseJson = new JSONObject(responseJsonStr);
188 JSONObject hits = responseJson.getJSONObject("hits");
189 int totalHits = hits.getInt("total");
190 finalOutputToFe.put("total", totalHits);
192 JSONObject aggregations = responseJson.getJSONObject("aggregations");
193 String[] aggKeys = JSONObject.getNames(aggregations);
194 JSONObject aggregationsList = new JSONObject();
196 for(String aggName : aggKeys) {
197 JSONObject aggregation = aggregations.getJSONObject(aggName);
198 JSONArray buckets = aggregation.getJSONArray("buckets");
199 aggregationsList.put(aggName, buckets);
202 finalOutputToFe.put("aggregations", aggregationsList);
204 return finalOutputToFe.toString();