cps-ncmp-rest-stub/src/main/java/org/onap/cps/ncmp/rest/stub/controller/NetworkCmProxyStubController.java

   1 /*
   2  *  ============LICENSE_START=======================================================
   3  *  Copyright (C) 2022 Bell Canada
   4  *  Modifications Copyright (c) 2022-2023 Nordix Foundation
   5  *  ================================================================================
   6  *  Licensed under the Apache License, Version 2.0 (the "License");
   7  *  you may not use this file except in compliance with the License.
   8  *  You may obtain a copy of the License at
   9  *
  10  *        http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  *  Unless required by applicable law or agreed to in writing, software
  13  *  distributed under the License is distributed on an "AS IS" BASIS,
  14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *  See the License for the specific language governing permissions and
  16  *  limitations under the License.
  17  *
  18  *  SPDX-License-Identifier: Apache-2.0
  19  *  ============LICENSE_END=========================================================
  20  */
  21
  22 package org.onap.cps.ncmp.rest.stub.controller;
  23
  24 import com.fasterxml.jackson.databind.ObjectMapper;
  25 import java.io.IOException;
  26 import java.io.InputStream;
  27 import java.nio.charset.StandardCharsets;
  28 import java.util.Arrays;
  29 import java.util.HashMap;
  30 import java.util.List;
  31 import java.util.Map;
  32 import java.util.UUID;
  33 import lombok.extern.slf4j.Slf4j;
  34 import org.onap.cps.ncmp.rest.controller.handlers.DatastoreType;
  35 import org.onap.cps.ncmp.rest.model.CmHandleQueryParameters;
  36 import org.onap.cps.ncmp.rest.model.RestOutputCmHandle;
  37 import org.onap.cps.ncmp.rest.stub.handlers.NetworkCmProxyApiStubDefaultImpl;
  38 import org.springframework.beans.factory.annotation.Value;
  39 import org.springframework.core.io.ClassPathResource;
  40 import org.springframework.http.HttpStatus;
  41 import org.springframework.http.ResponseEntity;
  42 import org.springframework.web.bind.annotation.RequestMapping;
  43 import org.springframework.web.bind.annotation.RestController;
  44
  45 @Slf4j
  46 @RestController
  47 @RequestMapping("${rest.api.ncmp-stub-base-path}")
  48 public class NetworkCmProxyStubController implements NetworkCmProxyApiStubDefaultImpl {
  49
  50     @Value("${stub.path}")
  51     private String pathToResponseFiles;
  52
  53     @Override
  54     public ResponseEntity<Object> getResourceDataForCmHandle(final String dataStoreName,
  55                                                              final String cmHandle,
  56                                                              final String resourceIdentifier,
  57                                                              final String optionsParamInQuery,
  58                                                              final String topicParamInQuery,
  59                                                              final Boolean includeDescendants) {
  60         if (DatastoreType.PASSTHROUGH_OPERATIONAL == DatastoreType.fromDatastoreName(dataStoreName)) {
  61             final ResponseEntity<Map<String, Object>> asyncResponse = populateAsyncResponse(topicParamInQuery);
  62             final Map<String, Object> asyncResponseData = asyncResponse.getBody();
  63             Object responseObject = null;
  64             // read JSON file and map/convert to java POJO
  65             final ClassPathResource resource =
  66                     new ClassPathResource(pathToResponseFiles + "passthrough-operational-example.json");
  67             try (InputStream inputStream = resource.getInputStream()) {
  68                 final String string = new String(inputStream.readAllBytes(), StandardCharsets.UTF_8);
  69                 final ObjectMapper mapper = new ObjectMapper();
  70                 responseObject = mapper.readValue(string, Object.class);
  71             } catch (final IOException exception) {
  72                 log.error("Error reading the file.", exception);
  73                 return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).build();
  74             }
  75             if (asyncResponseData == null) {
  76                 return ResponseEntity.ok(responseObject);
  77             }
  78             return ResponseEntity.ok(asyncResponse);
  79         }
  80         return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
  81     }
  82
  83     @Override
  84     public ResponseEntity<List<RestOutputCmHandle>> searchCmHandles(
  85             final CmHandleQueryParameters cmHandleQueryParameters) {
  86         List<RestOutputCmHandle> restOutputCmHandles = null;
  87         // read JSON file and map/convert to java POJO
  88         final ClassPathResource resource = new ClassPathResource(pathToResponseFiles + "cmHandlesSearch.json");
  89         try (InputStream inputStream = resource.getInputStream()) {
  90             final String string = new String(inputStream.readAllBytes(), StandardCharsets.UTF_8);
  91             final ObjectMapper mapper = new ObjectMapper();
  92             restOutputCmHandles = Arrays.asList(mapper.readValue(string, RestOutputCmHandle[].class));
  93         } catch (final IOException exception) {
  94             log.error("Error reading the file.", exception);
  95             return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).build();
  96         }
  97         return ResponseEntity.ok(restOutputCmHandles);
  98     }
  99
 100     private ResponseEntity<Map<String, Object>> populateAsyncResponse(final String topicParamInQuery) {
 101         final Map<String, Object> responseData;
 102         if (topicParamInQuery == null) {
 103             responseData = null;
 104         } else {
 105             responseData = getAsyncResponseData();
 106         }
 107         return ResponseEntity.ok().body(responseData);
 108     }
 109
 110     private Map<String, Object> getAsyncResponseData() {
 111         final Map<String, Object> asyncResponseData = new HashMap<>(1);
 112         final String resourceDataRequestId = UUID.randomUUID().toString();
 113         asyncResponseData.put(ASYNC_REQUEST_ID, resourceDataRequestId);
 114         return asyncResponseData;
 115     }
 116 }