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/*
* ============LICENSE_START===================================================
* Copyright (c) 2018 Amdocs
* ============================================================================
* 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.pomba.contextbuilder.aai.service.rs;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.util.UUID;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.onap.pomba.common.datatypes.ModelContext;
import org.onap.pomba.contextbuilder.aai.common.LogMessages;
import org.onap.pomba.contextbuilder.aai.exception.AuditException;
import org.onap.pomba.contextbuilder.aai.service.SpringService;
import org.onap.pomba.contextbuilder.aai.util.RestUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
public class RestServiceImpl implements RestService {
private static Logger log = LoggerFactory.getLogger(RestService.class);
private static final String EMPTY_JSON_STRING = "{}";
@Autowired
private SpringService service;
@Autowired
private String httpBasicAuthorization;
@Override
public Response getContext(HttpHeaders headers,
HttpServletRequest req,
String authorization,
String partnerName,
String requestId,
String serviceInstanceId) {
String url = "serviceInstanceId=" + serviceInstanceId;
if(log.isDebugEnabled()) {
log.debug(LogMessages.AAI_CONTEXT_BUILDER_URL, url);
}
if (requestId == null || requestId.isEmpty()) {
requestId = UUID.randomUUID().toString();
log.info(String.format("%s is missing; using newly generated value: %s", org.onap.pomba.contextbuilder.aai.util.RestUtil.TRANSACTION_ID, requestId));
}
Response response = null;
ModelContext aaiContext= null;
Gson gson = new GsonBuilder().create();
try {
// Do some validation on Http headers and URL parameters
RestUtil.validateBasicAuthorization(headers, httpBasicAuthorization);
RestUtil.validateHeader(headers);
RestUtil.validateServiceInstanceId(serviceInstanceId);
// Keep the same transaction id for logging purpose
requestId= RestUtil.extractRequestIdHeader(headers);
aaiContext = service.getContext(req, serviceInstanceId, requestId, partnerName);
if (aaiContext==null) {
// Return empty JSON
response = Response.ok().entity(EMPTY_JSON_STRING).build();
}else {
response = Response.ok().entity(gson.toJson(aaiContext)).build();
}
} catch (AuditException ce) {
log.error("getContext failure", ce);
if (ce.getHttpStatus() !=null) {
response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build();
}else {
// No response received, could be the cases of network issue: i.e. unreachable host
response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(ce.getMessage()).build();
}
} catch (Exception e) {
log.error("getContext failure", e);
response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build();
}
return response;
}
}
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