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/*-
* ============LICENSE_START=======================================================
* aai
* ================================================================================
* 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.aai;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import org.onap.policy.aai.util.Serialization;
import org.onap.policy.rest.RESTManager;
import org.onap.policy.rest.RESTManager.Pair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.gson.JsonSyntaxException;
public final class AAIManager {
private static final String LINE_SEPARATOR = System.lineSeparator();
/**
* Private constructor added to avoid instantiation of static class
*/
private AAIManager() {
}
private static final Logger logger = LoggerFactory.getLogger(AAIManager.class);
private static final Logger netLogger = LoggerFactory.getLogger(org.onap.policy.drools.event.comm.Topic.NETWORK_LOGGER);
public static AAINQResponse postQuery(String url, String username, String password, AAINQRequest request, UUID requestID) {
Map<String, String> headers = createHeaders(requestID);
url = url + "/aai/search/named-query";
logger.debug("RESTManager.post before");
String requestJson = Serialization.gsonPretty.toJson(request);
netLogger.info("[OUT|{}|{}|]{}{}", "AAI", url, LINE_SEPARATOR, requestJson);
Pair<Integer, String> httpDetails = RESTManager.post(url, username, password, headers, "application/json", requestJson);
logger.debug("RESTManager.post after");
if (httpDetails == null) {
logger.info("AAI POST Null Response to {}", url);
return null;
}
int httpResponseCode = httpDetails.a;
logger.info(url);
logger.info("{}", httpResponseCode);
logger.info(httpDetails.b);
if (httpDetails.b != null) {
return composeResponse(httpDetails, url, AAINQResponse.class);
}
return null;
}
public static AAIGETVserverResponse getQueryByVserverName(String urlGet, String username, String password, UUID requestID, String key) {
Map<String, String> headers = createHeaders(requestID);
urlGet = urlGet + key;
int attemptsLeft = 3;
while(attemptsLeft-- > 0){
netLogger.info("[OUT|{}|{}|]", "AAI", urlGet);
Pair<Integer, String> httpDetailsGet = RESTManager.get(urlGet, username, password, headers);
if (httpDetailsGet == null) {
logger.info("AAI GET Null Response to {}", urlGet);
return null;
}
int httpResponseCode = httpDetailsGet.a;
logger.info(urlGet);
logger.info("{}", httpResponseCode);
logger.info(httpDetailsGet.b);
if (httpResponseCode == 200) {
AAIGETVserverResponse responseGet = composeResponse(httpDetailsGet, urlGet, AAIGETVserverResponse.class);
if (responseGet != null) {
return responseGet;
}
}
try {
Thread.sleep(1000);
} catch (InterruptedException e) { Thread.currentThread().interrupt(); }
}
return null;
}
public static AAIGETVnfResponse getQueryByVnfID(String urlGet, String username, String password, UUID requestID, String key) {
Map<String, String> headers = createHeaders(requestID);
urlGet = urlGet + key;
int attemptsLeft = 3;
while(attemptsLeft-- > 0){
netLogger.info("[OUT|{}|{}|]", "AAI", urlGet);
Pair<Integer, String> httpDetailsGet = RESTManager.get(urlGet, username, password, headers);
if (httpDetailsGet == null) {
logger.info("AAI GET Null Response to {}", urlGet);
return null;
}
int httpResponseCode = httpDetailsGet.a;
logger.info(urlGet);
logger.info("{}", httpResponseCode);
logger.info(httpDetailsGet.b);
if (httpResponseCode == 200) {
AAIGETVnfResponse responseGet = composeResponse(httpDetailsGet, urlGet, AAIGETVnfResponse.class);
if (responseGet != null) {
return responseGet;
}
}
try {
Thread.sleep(1000);
} catch (InterruptedException e) { Thread.currentThread().interrupt(); }
}
return null;
}
public static AAIGETVnfResponse getQueryByVnfName(String urlGet, String username, String password, UUID requestID, String key) {
return getQueryByVnfID(urlGet, username, password, requestID, key);
}
/**
* Create the headers for the HTTP request
* @param requestID the request ID to insert in the headers
* @return the HTTP headers
*/
private static Map<String, String> createHeaders(final UUID requestID) {
Map<String, String> headers = new HashMap<>();
headers.put("X-FromAppId", "POLICY");
headers.put("X-TransactionId", requestID.toString());
headers.put("Accept", "application/json");
return headers;
}
/**
* This method uses Google's GSON to create a response object from a JSON string
* @param httpDetails the HTTP response
* @param url the URL from which the response came
* @param classOfT The response class
* @return an instance of the response class
* @throws JsonSyntaxException on GSON errors instantiating the response
*/
private static <T> T composeResponse(final Pair<Integer, String> httpDetails, final String url, final Class<T> classOfT) {
try {
T response = Serialization.gsonPretty.fromJson(httpDetails.b, classOfT);
netLogger.info("[IN|{}|{}|]{}{}", "AAI", url, LINE_SEPARATOR, httpDetails.b);
return response;
} catch (JsonSyntaxException e) {
logger.error("postQuery threw: ", e);
return null;
}
}
}
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