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/*-
* ============LICENSE_START=======================================================
* org.onap.holmes.common.aai
* ================================================================================
* Copyright (C) 2018-2019 Huawei. 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.holmes.common.aai;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.aai.config.AaiConfig;
import org.onap.holmes.common.config.MicroServiceConfig;
import org.onap.holmes.common.exception.CorrelationException;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MultivaluedHashMap;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@Service
@Slf4j
public class AaiJsonParserUtil {
public static String getPath(String urlTemplate, String paramName, String paramValue) {
return urlTemplate.replaceAll("\\{" + paramName + "\\}", paramValue);
}
public static String getPath(String serviceInstancePath) {
Pattern pattern = Pattern.compile("/aai/(v\\d+)/([A-Za-z0-9\\-]+[^/])(/*.*)");
Matcher matcher = pattern.matcher(serviceInstancePath);
String ret = "/api";
if (matcher.find()) {
ret += "/aai-" + matcher.group(2) + "/" + matcher.group(1) + matcher.group(3);
}
return ret;
}
public static Response get(String host, String path) throws CorrelationException {
Client client = ClientBuilder.newClient();
WebTarget target = client.target(host).path(path);
try {
Response response = target.request().headers(getAaiHeaders()).get();
if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new CorrelationException("Failed to connect to AAI. \nCause: "
+ response.getStatusInfo().getReasonPhrase() + "\nDetails: \n"
+ getErrorMsg(String.format("%s%s", host, path), null, response));
}
return response;
} catch (CorrelationException e) {
throw e;
} catch (Exception e) {
throw new CorrelationException(e.getMessage() + "More info: "
+ getErrorMsg(String.format("%s%s", host, path), null, null), e);
}
}
public static JSONObject getInfo(String response, String field) {
JSONObject jObject = JSONObject.parseObject(response);
JSONObject relationshipList = extractJsonObject(jObject, "relationship-list");
JSONArray relationShip = extractJsonArray(relationshipList, "relationship");
if (relationShip != null) {
for (int i = 0; i < relationShip.size(); ++i) {
final JSONObject object = relationShip.getJSONObject(i);
if (object.getString("related-to").equals(field)) {
return object;
}
}
}
return null;
}
public static JSONObject extractJsonObject(JSONObject obj, String key) {
if (obj != null && key != null && obj.containsKey(key)) {
return obj.getJSONObject(key);
}
return null;
}
public static JSONArray extractJsonArray(JSONObject obj, String key) {
if (obj != null && key != null && obj.containsKey(key)) {
return obj.getJSONArray(key);
}
return null;
}
public static String getHostAddr() {
return MicroServiceConfig.getMsbServerAddrWithHttpPrefix();
}
public static String getErrorMsg(String url, Map<String, Object> body, Response response) {
StringBuilder sb = new StringBuilder();
sb.append("Rerquest URL: ").append(url).append("\n");
sb.append("Request Header: ").append(JSONObject.toJSONString(getAaiHeaders())).append("\n");
if (body != null) {
sb.append("Request Body: ").append(JSONObject.toJSONString(body)).append("\n");
}
if (response != null) {
sb.append("Request Body: ").append(response.readEntity(String.class));
}
return sb.toString();
}
public static MultivaluedMap getAaiHeaders() {
MultivaluedMap<String, Object> headers = new MultivaluedHashMap<>();
headers.add("X-TransactionId", AaiConfig.X_TRANSACTION_ID);
headers.add("X-FromAppId", AaiConfig.X_FROMAPP_ID);
headers.add("Authorization", AaiConfig.getAuthenticationCredentials());
headers.add("Accept", "application/json");
headers.add("Content-Type", "application/json");
return headers;
}
}
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