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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.so.client.namingservice;
import java.io.IOException;
import java.util.List;
import org.onap.so.logger.LoggingAnchor;
import org.apache.http.HttpStatus;
import org.onap.namingservice.model.NameGenDeleteResponse;
import org.onap.namingservice.model.NameGenResponse;
import org.onap.namingservice.model.NameGenResponseError;
import org.onap.namingservice.model.Respelement;
import org.onap.so.client.exception.BadResponseException;
import org.onap.logging.filter.base.ErrorCode;
import org.onap.so.logger.MessageEnum;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import org.springframework.web.client.HttpStatusCodeException;
import com.fasterxml.jackson.databind.ObjectMapper;
@Component
public class NamingClientResponseValidator {
private static final Logger logger = LoggerFactory.getLogger(NamingClientResponseValidator.class);
private static final String INSTANCE_GROUP_NAME = "instance-group-name";
private static final String SERVICE_INSTANCE_NAME = "Service-Instance-Name";
private static final String NO_RESPONSE_FROM_NAMING_SERVICE =
"Error did not receive a response from Naming Service.";
private static final String NULL_RESPONSE_FROM_NAMING_SERVICE =
"Error received a null response from Naming Service.";
private static final String NAMING_SERVICE_ERROR = "Error from Naming Service: %s";
public String validateNameGenResponse(ResponseEntity<NameGenResponse> response) throws BadResponseException {
if (response == null) {
logger.error(LoggingAnchor.FIVE, MessageEnum.RA_GENERAL_EXCEPTION.toString(),
NO_RESPONSE_FROM_NAMING_SERVICE, "BPMN", ErrorCode.UnknownError.getValue(),
NO_RESPONSE_FROM_NAMING_SERVICE);
throw new BadResponseException(NO_RESPONSE_FROM_NAMING_SERVICE);
}
int responseCode = response.getStatusCodeValue();
String generatedName = "";
NameGenResponse responseBody = response.getBody();
if (responseBody == null) {
logger.error(LoggingAnchor.FIVE, MessageEnum.RA_GENERAL_EXCEPTION.toString(),
NULL_RESPONSE_FROM_NAMING_SERVICE, "BPMN", ErrorCode.UnknownError.getValue(),
NULL_RESPONSE_FROM_NAMING_SERVICE);
throw new BadResponseException(NULL_RESPONSE_FROM_NAMING_SERVICE);
}
if (isHttpCodeSuccess(responseCode)) {
logger.info("Successful Response from Naming Service");
List<Respelement> respList = responseBody.getElements();
if (respList != null) {
for (int i = 0; i < respList.size(); i++) {
Respelement respElement = respList.get(i);
if (respElement != null) {
String resourceName = respElement.getResourceName();
if (INSTANCE_GROUP_NAME.equals(resourceName)) {
generatedName = respElement.getResourceValue();
break;
} else if (SERVICE_INSTANCE_NAME.equals(resourceName)) {
generatedName = respElement.getResourceValue();
break;
}
}
}
}
return generatedName;
} else {
NameGenResponseError error = responseBody.getError();
String errorMessageString = NAMING_SERVICE_ERROR;
if (error != null) {
errorMessageString = error.getMessage();
}
String errorMessage = String.format(NAMING_SERVICE_ERROR, errorMessageString);
logger.error(LoggingAnchor.FIVE, MessageEnum.RA_GENERAL_EXCEPTION.toString(), errorMessage, "BPMN",
ErrorCode.DataError.getValue(), errorMessage);
throw new BadResponseException(errorMessage);
}
}
public String validateNameGenDeleteResponse(ResponseEntity<NameGenDeleteResponse> response)
throws BadResponseException {
if (response == null) {
logger.error(LoggingAnchor.FIVE, MessageEnum.RA_GENERAL_EXCEPTION.toString(),
NO_RESPONSE_FROM_NAMING_SERVICE, "BPMN", ErrorCode.UnknownError.getValue(),
NO_RESPONSE_FROM_NAMING_SERVICE);
throw new BadResponseException(NO_RESPONSE_FROM_NAMING_SERVICE);
}
int responseCode = response.getStatusCodeValue();
String responseMessage = "";
NameGenDeleteResponse responseBody = response.getBody();
if (responseBody == null) {
logger.error(LoggingAnchor.FIVE, MessageEnum.RA_GENERAL_EXCEPTION.toString(),
NULL_RESPONSE_FROM_NAMING_SERVICE, "BPMN", ErrorCode.UnknownError.getValue(),
NULL_RESPONSE_FROM_NAMING_SERVICE);
throw new BadResponseException(NULL_RESPONSE_FROM_NAMING_SERVICE);
}
if (isHttpCodeSuccess(responseCode)) {
logger.info("Successful Response from Naming Service");
return responseMessage;
} else {
String errorMessageString = NAMING_SERVICE_ERROR;
String errorMessage = String.format(NAMING_SERVICE_ERROR, errorMessageString);
logger.error(LoggingAnchor.FIVE, MessageEnum.RA_GENERAL_EXCEPTION.toString(), errorMessage, "BPMN",
ErrorCode.DataError.getValue(), errorMessage);
throw new BadResponseException(errorMessage);
}
}
private boolean isHttpCodeSuccess(int code) {
return code >= HttpStatus.SC_OK && code < HttpStatus.SC_MULTIPLE_CHOICES || code == 0;
}
protected String formatError(HttpStatusCodeException e) throws IOException {
ObjectMapper mapper = new ObjectMapper();
NameGenResponse errorResponse = mapper.readValue(e.getResponseBodyAsString(), NameGenResponse.class);
NameGenResponseError error = errorResponse.getError();
String errorMessageString = null;
if (error != null) {
errorMessageString = error.getMessage();
}
String errorMessage = String.format(NAMING_SERVICE_ERROR, errorMessageString);
logger.error(LoggingAnchor.FIVE, MessageEnum.RA_GENERAL_EXCEPTION.toString(), errorMessage, "BPMN",
ErrorCode.DataError.getValue(), errorMessage);
return errorMessage;
}
}
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