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/**
* ============LICENSE_START===================================================
* SPARKY (AAI UI service)
* ============================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* 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=====================================================
*
* ECOMP and OpenECOMP are trademarks
* and service marks of AT&T Intellectual Property.
*/
package org.onap.aai.sparky.inventory;
import java.io.IOException;
import org.apache.camel.Exchange;
import org.apache.camel.component.restlet.RestletConstants;
import org.json.JSONArray;
import org.json.JSONObject;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.cl.eelf.LoggerFactory;
import org.onap.aai.cl.mdc.MdcContext;
import org.onap.aai.restclient.client.OperationResult;
import org.onap.aai.sparky.dal.ElasticSearchAdapter;
import org.onap.aai.sparky.logging.AaiUiMsgs;
import org.onap.aai.sparky.util.NodeUtils;
import org.restlet.Request;
import org.restlet.Response;
import org.restlet.data.ClientInfo;
import org.restlet.data.Form;
import org.restlet.data.MediaType;
import org.restlet.data.Parameter;
import org.restlet.data.Status;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* The Class GeoVisualizationServlet.
*/
public class GeoVisualizationProcessor {
private static final Logger LOG =
LoggerFactory.getInstance().getLogger(GeoVisualizationProcessor.class);
private ObjectMapper mapper;
private ElasticSearchAdapter elasticSearchAdapter = null;
private String topographicalSearchIndexName;
private static final String SEARCH_STRING = "_search";
private static final String SEARCH_PARAMETER = "?filter_path=hits.hits._source&_source=location&size=5000&q=entityType:";
private static final String PARAMETER_KEY = "entity";
/**
* Instantiates a new geo visualization processor
*/
public GeoVisualizationProcessor(ElasticSearchAdapter elasticSearchAdapter, String topographicalSearchIndexName) {
this.mapper = new ObjectMapper();
this.elasticSearchAdapter = elasticSearchAdapter;
this.topographicalSearchIndexName = topographicalSearchIndexName;
}
/**
* Gets the geo visualization results.
*
* @param response the response
* @param entityType the entity type
* @return the geo visualization results
* @throws Exception the exception
*/
protected OperationResult getGeoVisualizationResults(Exchange exchange) throws Exception {
OperationResult operationResult = new OperationResult();
Object xTransactionId = exchange.getIn().getHeader("X-TransactionId");
if (xTransactionId == null) {
xTransactionId = NodeUtils.getRandomTxnId();
}
Object partnerName = exchange.getIn().getHeader("X-FromAppId");
if (partnerName == null) {
partnerName = "Browser";
}
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);
ClientInfo clientInfo = request.getClientInfo();
MdcContext.initialize((String) xTransactionId, "AAI-UI", "", (String) partnerName, clientInfo.getAddress() + ":" + clientInfo.getPort());
String entityType = "";
Form form = request.getResourceRef().getQueryAsForm();
for (Parameter parameter : form) {
if(PARAMETER_KEY.equals(parameter.getName())) {
entityType = parameter.getName();
}
}
String api = SEARCH_STRING + SEARCH_PARAMETER + entityType;
final String requestUrl = elasticSearchAdapter.buildElasticSearchUrlForApi(topographicalSearchIndexName, api);
try {
OperationResult opResult =
elasticSearchAdapter.doGet(requestUrl, javax.ws.rs.core.MediaType.APPLICATION_JSON_TYPE);
JSONObject finalOutputJson = formatOutput(opResult.getResult());
Response response = exchange.getIn().getHeader(RestletConstants.RESTLET_RESPONSE, Response.class);
response.setStatus(Status.SUCCESS_OK);
response.setEntity(String.valueOf(finalOutputJson), MediaType.APPLICATION_JSON);
exchange.getOut().setBody(response);
} catch (Exception exc) {
LOG.error(AaiUiMsgs.ERROR_GENERIC, "Error processing Geo Visualization request");
}
return operationResult;
}
/**
* Format output.
*
* @param results the results
* @return the JSON object
*/
private JSONObject formatOutput(String results) {
JsonNode resultNode = null;
JSONObject finalResult = new JSONObject();
JSONArray entitiesArr = new JSONArray();
try {
resultNode = mapper.readTree(results);
final JsonNode hitsNode = resultNode.get("hits").get("hits");
if (hitsNode.isArray()) {
for (final JsonNode arrayNode : hitsNode) {
JsonNode sourceNode = arrayNode.get("_source");
if (sourceNode.get("location") != null) {
JsonNode locationNode = sourceNode.get("location");
if (NodeUtils.isNumeric(locationNode.get("lon").asText())
&& NodeUtils.isNumeric(locationNode.get("lat").asText())) {
JSONObject location = new JSONObject();
location.put("longitude", locationNode.get("lon").asText());
location.put("latitude", locationNode.get("lat").asText());
entitiesArr.put(location);
}
}
}
}
finalResult.put("plotPoints", entitiesArr);
} catch (IOException exc) {
LOG.warn(AaiUiMsgs.ERROR_BUILDING_SEARCH_RESPONSE, exc.getLocalizedMessage());
}
return finalResult;
}
}
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