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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 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.apihandler.common;
import java.io.IOException;
import org.apache.http.HttpStatus;
import org.onap.so.apihandler.camundabeans.CamundaResponse;
import org.onap.so.apihandlerinfra.exceptions.BPMNFailureException;
import org.onap.so.apihandlerinfra.exceptions.ValidateException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import com.fasterxml.jackson.databind.ObjectMapper;
@Component
public class ResponseHandler {
private static Logger logger = LoggerFactory.getLogger(ResponseHandler.class);
public CamundaResponse getCamundaResponse(ResponseEntity<String> camundaResponse) throws ValidateException {
String responseBody = camundaResponse.getBody();
CamundaResponse response = null;
ObjectMapper mapper = new ObjectMapper();
try {
response = mapper.readValue(responseBody, CamundaResponse.class);
} catch (IOException | NullPointerException e) {
logger.error("Cannot parse Camunda Response: ", e);
throw new ValidateException.Builder(
"Cannot parse Camunda ResponseBody. BPMN HTTP status: " + camundaResponse.getStatusCodeValue(),
HttpStatus.SC_INTERNAL_SERVER_ERROR, ErrorNumbers.SVC_BAD_PARAMETER).cause(e).build();
}
return response;
}
public void acceptedResponse(ResponseEntity<String> response) throws BPMNFailureException {
int status = setStatus(response.getStatusCodeValue());
if (status != HttpStatus.SC_ACCEPTED) {
logger.info("Camunda did not return a valid response");
throw new BPMNFailureException.Builder(String.valueOf(status), HttpStatus.SC_INTERNAL_SERVER_ERROR,
ErrorNumbers.ERROR_FROM_BPEL).build();
}
}
public void acceptedOrNoContentResponse(ResponseEntity<String> response) throws BPMNFailureException {
int status = setStatus(response.getStatusCodeValue());
if (status != HttpStatus.SC_NO_CONTENT && status != HttpStatus.SC_ACCEPTED) {
logger.info("Camunda did not return a valid response");
throw new BPMNFailureException.Builder(String.valueOf(status), HttpStatus.SC_INTERNAL_SERVER_ERROR,
ErrorNumbers.ERROR_FROM_BPEL).build();
}
}
public int setStatus(int statusCode) {
int httpStatus;
switch (statusCode) {
case HttpStatus.SC_ACCEPTED:
case HttpStatus.SC_OK:
httpStatus = HttpStatus.SC_ACCEPTED;
break;
case HttpStatus.SC_BAD_REQUEST:
httpStatus = HttpStatus.SC_BAD_REQUEST;
break;
case HttpStatus.SC_UNAUTHORIZED:
case HttpStatus.SC_FORBIDDEN:
httpStatus = HttpStatus.SC_INTERNAL_SERVER_ERROR;
break;
case HttpStatus.SC_NOT_FOUND:
httpStatus = HttpStatus.SC_NOT_IMPLEMENTED;
break;
case HttpStatus.SC_INTERNAL_SERVER_ERROR:
httpStatus = HttpStatus.SC_BAD_GATEWAY;
break;
case HttpStatus.SC_SERVICE_UNAVAILABLE:
httpStatus = HttpStatus.SC_SERVICE_UNAVAILABLE;
break;
case HttpStatus.SC_NO_CONTENT:
httpStatus = HttpStatus.SC_NO_CONTENT;
break;
default:
httpStatus = HttpStatus.SC_INTERNAL_SERVER_ERROR;
break;
}
return httpStatus;
}
}
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