plans/usecases-pnf-sw-upgrade/pnf-sw-upgrade/sorch/simulator/aai-simulator/src/main/java/org/onap/aaisimulator/controller/PnfsController.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2020 Nordix Foundation.
   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  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.onap.aaisimulator.controller;
  21
  22
  23 import org.onap.aai.domain.yang.v15.Pnf;
  24 import org.onap.aai.domain.yang.v15.Pnfs;
  25 import org.onap.aaisimulator.service.providers.PnfCacheServiceProvider;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28 import org.springframework.beans.factory.annotation.Autowired;
  29 import org.springframework.http.HttpMethod;
  30 import org.springframework.http.ResponseEntity;
  31 import org.springframework.stereotype.Controller;
  32 import org.springframework.web.bind.annotation.DeleteMapping;
  33 import org.springframework.web.bind.annotation.GetMapping;
  34 import org.springframework.web.bind.annotation.PathVariable;
  35 import org.springframework.web.bind.annotation.PostMapping;
  36 import org.springframework.web.bind.annotation.PutMapping;
  37 import org.springframework.web.bind.annotation.RequestBody;
  38 import org.springframework.web.bind.annotation.RequestHeader;
  39 import org.springframework.web.bind.annotation.RequestMapping;
  40 import org.springframework.web.bind.annotation.RequestParam;
  41
  42 import javax.servlet.http.HttpServletRequest;
  43 import javax.ws.rs.core.MediaType;
  44 import java.util.List;
  45 import java.util.Optional;
  46
  47 import static org.onap.aaisimulator.utils.Constants.APPLICATION_MERGE_PATCH_JSON;
  48 import static org.onap.aaisimulator.utils.Constants.PNF;
  49 import static org.onap.aaisimulator.utils.Constants.PNFS_URL;
  50 import static org.onap.aaisimulator.utils.Constants.X_HTTP_METHOD_OVERRIDE;
  51 import static org.onap.aaisimulator.utils.RequestErrorResponseUtils.getRequestErrorResponseEntity;
  52 import static org.onap.aaisimulator.utils.RequestErrorResponseUtils.getResourceVersion;
  53
  54 /**
  55  * @author Raj Gumma (raj.gumma@est.tech)
  56  */
  57 @Controller
  58 @RequestMapping(path = PNFS_URL)
  59 public class PnfsController {
  60
  61     private static final Logger LOGGER = LoggerFactory.getLogger(PnfsController.class);
  62
  63     private final PnfCacheServiceProvider cacheServiceProvider;
  64
  65
  66     @Autowired
  67     public PnfsController(final PnfCacheServiceProvider cacheServiceProvider) {
  68         this.cacheServiceProvider = cacheServiceProvider;
  69     }
  70
  71     @PutMapping(value = "/pnf/{pnf-id}", consumes = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML},
  72             produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
  73     public ResponseEntity<?> putPnf(@RequestBody final Pnf pnf,
  74                                     @PathVariable("pnf-id") final String pnfId, final HttpServletRequest request) {
  75         LOGGER.info("Will add Pnf to cache with 'pnf-id': {} ...", pnfId);
  76
  77         if (pnf.getResourceVersion() == null || pnf.getResourceVersion().isEmpty()) {
  78             pnf.setResourceVersion(getResourceVersion());
  79         }
  80         cacheServiceProvider.putPnf(pnfId, pnf);
  81         return ResponseEntity.accepted().build();
  82     }
  83
  84     @GetMapping(value = "/pnf/{pnf-id}", produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
  85     public ResponseEntity<?> getPnf(@PathVariable("pnf-id") final String pnfId, final HttpServletRequest request) {
  86         LOGGER.info("Will get Pnf for 'pnf-id': {} ", pnfId);
  87
  88         final Optional<Pnf> optional = cacheServiceProvider.getPnf(pnfId);
  89
  90         if (optional.isPresent()) {
  91             final Pnf pnf = optional.get();
  92             LOGGER.info("found Pnf {} in cache", pnf);
  93             return ResponseEntity.ok(pnf);
  94         }
  95
  96         LOGGER.error("Unable to find Pnf in cache for 'pnf-id': {}", pnfId);
  97         return getRequestErrorResponseEntity(request, "pnf");
  98
  99     }
 100
 101     @PostMapping(value = "/pnf/{pnf-id}",
 102             consumes = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML, APPLICATION_MERGE_PATCH_JSON},
 103             produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
 104     public ResponseEntity<?> patchPnf(@RequestBody final Pnf pnf,
 105                                       @PathVariable("pnf-id") final String pnfId,
 106                                       @RequestHeader(value = X_HTTP_METHOD_OVERRIDE, required = false) final String xHttpHeaderOverride,
 107                                       final HttpServletRequest request) {
 108
 109         LOGGER.info("Will post Pnf to cache with 'pnf-id': {} and '{}': {} ...", pnfId, X_HTTP_METHOD_OVERRIDE,
 110                 xHttpHeaderOverride);
 111
 112         if (HttpMethod.PATCH.toString().equalsIgnoreCase(xHttpHeaderOverride)) {
 113             if (cacheServiceProvider.patchPnf(pnfId, pnf)) {
 114                 return ResponseEntity.accepted().build();
 115             }
 116             LOGGER.error("Unable to apply patch to Pnf using 'pnf-id': {} ... ", pnfId);
 117             return getRequestErrorResponseEntity(request, PNF);
 118         }
 119         LOGGER.error("{} not supported ... ", xHttpHeaderOverride);
 120
 121         return getRequestErrorResponseEntity(request, PNF);
 122     }
 123
 124     @GetMapping(produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
 125     public ResponseEntity<?> getPnfs(@RequestParam(name = "selflink") final String selflink,
 126                                      final HttpServletRequest request) {
 127         LOGGER.info("will retrieve Pnfs using selflink: {}", selflink);
 128
 129         final List<Pnf> pnfList = cacheServiceProvider.getPnfs(selflink);
 130
 131         if (pnfList.isEmpty()) {
 132             LOGGER.error("No matching pnfs found using selflink: {}", selflink);
 133             return getRequestErrorResponseEntity(request, PNF);
 134         }
 135
 136         LOGGER.info("found {} Pnfs in cache", pnfList.size());
 137         final Pnfs pnfs = new Pnfs();
 138         pnfs.getPnf().addAll(pnfList);
 139         return ResponseEntity.ok(pnfs);
 140     }
 141
 142     @DeleteMapping(value = "/pnf/{pnf-id}", produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
 143     public ResponseEntity<?> deletePnf(@PathVariable("pnf-id") final String pnfId,
 144                                        @RequestParam(name = "resource-version") final String resourceVersion, final HttpServletRequest request) {
 145         LOGGER.info("Will delete Pnf for 'pnf-id': {} and 'resource-version': {}", pnfId, resourceVersion);
 146
 147         if (cacheServiceProvider.deletePnf(pnfId, resourceVersion)) {
 148             LOGGER.info("Successfully delete Pnf from cache for 'pnf-id': {} and 'resource-version': {}", pnfId,
 149                     resourceVersion);
 150             return ResponseEntity.noContent().build();
 151         }
 152
 153         LOGGER.error("Unable to delete Pnf for 'pnf-id': {} and 'resource-version': {} ...", pnfId,
 154                 resourceVersion);
 155         return getRequestErrorResponseEntity(request, PNF);
 156
 157     }
 158
 159 }