gerrit.onap Code Review - sdnc/apps.git/blob

   1 /*
   2  * ============LICENSE_START===================================================
   3  * Copyright (c) 2018 Amdocs
   4  * ============================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  * ============LICENSE_END=====================================================
  17  */
  18
  19 package org.onap.sdnc.apps.pomba.networkdiscovery.service.rs;
  20
  21 import static org.onap.sdnc.apps.pomba.networkdiscovery.ApplicationException.Error.GENERAL_FAILURE;
  22 import static org.onap.sdnc.apps.pomba.networkdiscovery.ApplicationException.Error.MISSING_PARAM;
  23 import static org.onap.sdnc.apps.pomba.networkdiscovery.ApplicationException.Error.UNAUTHORIZED;
  24
  25 import java.util.List;
  26 import java.util.UUID;
  27 import javax.annotation.Resource;
  28 import javax.servlet.http.HttpServletRequest;
  29 import javax.ws.rs.core.HttpHeaders;
  30 import javax.ws.rs.core.Response;
  31 import javax.ws.rs.core.Response.ResponseBuilder;
  32 import javax.ws.rs.core.Response.Status;
  33 import org.onap.logging.ref.slf4j.ONAPLogAdapter;
  34 import org.onap.logging.ref.slf4j.ONAPLogConstants;
  35 import org.onap.logging.ref.slf4j.ONAPLogConstants.ResponseStatus;
  36 import org.onap.sdnc.apps.pomba.networkdiscovery.ApplicationException;
  37 import org.onap.sdnc.apps.pomba.networkdiscovery.JerseyConfiguration;
  38 import org.onap.sdnc.apps.pomba.networkdiscovery.datamodel.NetworkDiscoveryResponse;
  39 import org.onap.sdnc.apps.pomba.networkdiscovery.service.SpringService;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42 import org.springframework.beans.factory.annotation.Autowired;
  43 import org.springframework.stereotype.Component;
  44
  45 @Component
  46 public class RestServiceImpl implements RestService {
  47
  48     private static Logger log = LoggerFactory.getLogger(RestService.class);
  49
  50     @Autowired
  51     private SpringService service;
  52
  53     @Resource(name="basicAuthHeader")
  54     private String basicAuthHeader;
  55
  56     @Override
  57     public Response findbyResourceIdAndType(HttpServletRequest request,
  58                                             String version,
  59                                             String authorization,
  60                                             String fromAppId,
  61                                             String transactionId,
  62                                             String requestId,
  63                                             String resourceType,
  64                                             List<String> resourceIds) throws ApplicationException {
  65
  66         ONAPLogAdapter adapter = new ONAPLogAdapter(log);
  67
  68         try {
  69             adapter.getServiceDescriptor().setServiceName(JerseyConfiguration.SERVICE_NAME);
  70             adapter.entering(request);
  71
  72             validateInput(version, authorization, fromAppId, requestId, resourceType, resourceIds);
  73
  74             if (transactionId == null || transactionId.isEmpty()) {
  75                 transactionId = UUID.randomUUID().toString();
  76                 log.debug("transactionId is missing; using newly generated value: {}", transactionId);
  77             }
  78
  79             NetworkDiscoveryResponse response = this.service.findbyResourceIdAndType(transactionId,
  80                     requestId, resourceType, resourceIds, adapter);
  81             adapter.getResponseDescriptor().setResponseStatus(ResponseStatus.COMPLETED);
  82             Response returnedResponse = Response.ok(response).build();
  83             adapter.unwrap().info("request at url = {} resulted in http status {} and response: {}", request.getServletPath(),
  84                     returnedResponse.getStatus(), returnedResponse.getEntity());
  85             return returnedResponse;
  86
  87         } catch (ApplicationException x) {
  88             adapter.getResponseDescriptor()
  89                     .setResponseCode(x.getResponseCode())
  90                     .setResponseStatus(ResponseStatus.ERROR);
  91             log.error(x.getMessage());
  92             ResponseBuilder builder = Response.status(x.getHttpStatus()).entity(x.getMessage());
  93             if (authorization == null) {
  94                 builder.header(HttpHeaders.WWW_AUTHENTICATE, "Basic realm=\"network-discovery\"");
  95             }
  96             return builder.build();
  97
  98         } catch (Exception x) {
  99             adapter.getResponseDescriptor()
 100                     .setResponseCode(GENERAL_FAILURE.getResponseCode())
 101                     .setResponseStatus(ResponseStatus.ERROR);
 102             log.error(GENERAL_FAILURE.getMessage(x), x);
 103             return Response.status(Status.INTERNAL_SERVER_ERROR).entity(x.getMessage()).build();
 104         } finally {
 105             adapter.exiting();
 106         }
 107     }
 108
 109     private void validateInput(String version, String authorization, String fromAppId, String requestId,
 110             String resourceType, List<String> resourceIds) throws ApplicationException {
 111         if (version == null) {
 112             throw new ApplicationException(MISSING_PARAM, Status.BAD_REQUEST, "version");
 113         }
 114
 115         if (authorization == null || !this.basicAuthHeader.equals(authorization)) {
 116             throw new ApplicationException(UNAUTHORIZED, Status.UNAUTHORIZED);
 117         }
 118         if ((fromAppId == null) || fromAppId.trim().isEmpty()) {
 119             throw new ApplicationException(MISSING_PARAM, Status.BAD_REQUEST, ONAPLogConstants.Headers.PARTNER_NAME);
 120         }
 121         if (requestId == null || requestId.isEmpty()) {
 122             throw new ApplicationException(MISSING_PARAM, Status.BAD_REQUEST, "requestId");
 123         }
 124
 125         if (resourceType == null || resourceType.isEmpty()) {
 126             throw new ApplicationException(MISSING_PARAM, Status.BAD_REQUEST, "resourceType");
 127         }
 128         if (resourceIds == null || resourceIds.isEmpty()) {
 129             throw new ApplicationException(MISSING_PARAM, Status.BAD_REQUEST, "resourceIds");
 130         }
 131     }
 132 }