diff options
Diffstat (limited to 'ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/GetMetricsService.java')
-rw-r--r-- | ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/GetMetricsService.java | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/GetMetricsService.java b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/GetMetricsService.java new file mode 100644 index 000000000..a0a477cdf --- /dev/null +++ b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/GetMetricsService.java @@ -0,0 +1,157 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP-PDP-REST + * ================================================================================ + * 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.onap.policy.pdp.rest.api.services; + +import java.util.UUID; + +import javax.json.JsonException; + +import org.json.JSONObject; +import org.onap.policy.api.MetricsRequestParameters; +import org.onap.policy.api.MetricsResponse; +import org.onap.policy.api.PolicyException; +import org.onap.policy.common.logging.flexlogger.FlexLogger; +import org.onap.policy.common.logging.flexlogger.Logger; +import org.onap.policy.std.StdMetricsResponse; +import org.onap.policy.xacml.api.XACMLErrorConstants; +import org.springframework.http.HttpStatus; + +public class GetMetricsService { + private static final Logger LOGGER = FlexLogger + .getLogger(GetMetricsService.class.getName()); + + private MetricsResponse response = null; + private HttpStatus status = HttpStatus.BAD_REQUEST; + private MetricsRequestParameters metricsParameters = null; + + public GetMetricsService(String requestID) { + UUID requestUUID = null; + if (requestID != null && !requestID.isEmpty()) { + try { + requestUUID = UUID.fromString(requestID); + } catch (IllegalArgumentException e) { + requestUUID = UUID.randomUUID(); + LOGGER.info("Generated Random UUID: " + requestUUID.toString(), e); + } + } else { + requestUUID = UUID.randomUUID(); + LOGGER.info("Generated Random UUID: " + requestUUID.toString()); + } + metricsParameters = new MetricsRequestParameters(); + this.metricsParameters.setRequestID(requestUUID); + + try { + run(); + specialCheck(); + } catch (PolicyException e) { + StdMetricsResponse metricsResponse = new StdMetricsResponse(); + metricsResponse + .setResponseMessage(XACMLErrorConstants.ERROR_DATA_ISSUE + + e); + this.response = metricsResponse; + status = HttpStatus.BAD_REQUEST; + } + } + + private void specialCheck() { + if (response != null && (response.getResponseMessage() != null + && response.getResponseMessage().contains("PE300"))) { + status = HttpStatus.BAD_REQUEST; + } + } + + private void run() throws PolicyException { + // Get Result. + try { + status = HttpStatus.OK; + response = processResult(); + } catch (Exception e) { + LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e); + status = HttpStatus.BAD_REQUEST; + throw new PolicyException(e); + } + } + + private MetricsResponse processResult() throws PolicyException { + StdMetricsResponse metricsResponse = new StdMetricsResponse(); + PAPServices papServices = new PAPServices(); + String result = (String) papServices.callPAP(null, new String[] { + "operation=get", "apiflag=getMetrics" }, + metricsParameters.getRequestID(), "metrics"); + + JSONObject json = null; + String message = null; + if (result != null) { + if (result.length() > 81 && result.contains("{")) { + try { + String responseMessage = result.substring(0, 82); + String jsonString = result.substring(result.indexOf('{'), + result.length()); + json = new JSONObject(jsonString); + + int papCount = (int) json.get("papCount"); + int pdpCount = (int) json.get("pdpCount"); + + metricsResponse.setResponseCode(papServices + .getResponseCode()); + metricsResponse.setResponseMessage(responseMessage); + metricsResponse.setPapMetrics(papCount); + metricsResponse.setPdpMetrics(pdpCount); + + } catch (JsonException | IllegalStateException e) { + String jsonString = null; + if(json != null){ + jsonString = json.toString(); + } + message = XACMLErrorConstants.ERROR_DATA_ISSUE + + " improper JSON object : " + jsonString; + LOGGER.error(message + e); + metricsResponse.setResponseMessage(message); + metricsResponse.setResponseCode(400); + return metricsResponse; + } + } else { + message = result; + metricsResponse.setResponseCode(400); + metricsResponse.setResponseMessage(message); + return metricsResponse; + } + + } else { + message = XACMLErrorConstants.ERROR_SYSTEM_ERROR + + "There was an issue with connecting to the PAP, " + + "review the logs for further debugging."; + metricsResponse.setResponseCode(500); + metricsResponse.setResponseMessage(message); + return metricsResponse; + } + + return metricsResponse; + } + + public MetricsResponse getResult() { + return response; + } + + public HttpStatus getResponseCode() { + return status; + } + +} |