src/main/java/org/onap/dmaap/dbcapi/resources/DR_PubResource.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * org.onap.dmaap
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.dmaap.dbcapi.resources;
  22
  23 import io.swagger.annotations.Api;
  24 import io.swagger.annotations.ApiOperation;
  25 import io.swagger.annotations.ApiResponse;
  26 import io.swagger.annotations.ApiResponses;
  27
  28 import java.util.ArrayList;
  29 import java.util.Iterator;
  30 import java.util.List;
  31
  32 import javax.ws.rs.Consumes;
  33 import javax.ws.rs.DELETE;
  34 import javax.ws.rs.GET;
  35 import javax.ws.rs.POST;
  36 import javax.ws.rs.PUT;
  37 import javax.ws.rs.Path;
  38 import javax.ws.rs.PathParam;
  39 import javax.ws.rs.Produces;
  40 import javax.ws.rs.core.GenericEntity;
  41 import javax.ws.rs.core.MediaType;
  42 import javax.ws.rs.core.Response;
  43 import javax.ws.rs.core.Response.Status;
  44
  45 import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
  46 import org.onap.dmaap.dbcapi.model.ApiError;
  47 import org.onap.dmaap.dbcapi.model.DR_Pub;
  48 import org.onap.dmaap.dbcapi.model.Feed;
  49 import org.onap.dmaap.dbcapi.service.ApiService;
  50 import org.onap.dmaap.dbcapi.service.DR_PubService;
  51 import org.onap.dmaap.dbcapi.service.FeedService;
  52
  53
  54 @Path("/dr_pubs")
  55 @Api( value= "dr_pubs", description = "Endpoint for a Data Router client that implements a Publisher" )
  56 @Consumes(MediaType.APPLICATION_JSON)
  57 @Produces(MediaType.APPLICATION_JSON)
  58 @Authorization
  59 public class DR_PubResource extends BaseLoggingClass {
  60
  61         private DR_PubService dr_pubService = new DR_PubService();
  62         private ResponseBuilder responseBuilder = new ResponseBuilder();
  63         private RequiredChecker checker = new RequiredChecker();
  64
  65         @GET
  66         @ApiOperation( value = "return DR_Pub details",
  67         notes = "Returns array of  `DR_Pub` objects.  Add filter for feedId.",
  68         response = DR_Pub.class)
  69         @ApiResponses( value = {
  70             @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
  71             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
  72         })
  73         public  Response getDr_Pubs() {
  74                 logger.info( "Entry: GET /dr_pubs");
  75                 List<DR_Pub> pubs = dr_pubService.getAllDr_Pubs();
  76
  77                 GenericEntity<List<DR_Pub>> list = new GenericEntity<List<DR_Pub>>(pubs) {
  78         };
  79         return responseBuilder.success(list);
  80         }
  81
  82         @POST
  83         @ApiOperation( value = "return DR_Pub details",
  84         notes = "create a DR Publisher in the specified environment.",
  85         response = DR_Pub.class)
  86         @ApiResponses( value = {
  87             @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
  88             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
  89         })
  90         public Response addDr_Pub(
  91                         DR_Pub pub
  92                         ) {
  93                 ApiService resp = new ApiService();
  94                 FeedService feeds = new FeedService();
  95                 Feed fnew = null;
  96
  97                 logger.info( "Entry: POST /dr_pubs");
  98
  99                 try {
 100                         checker.required( "feedId", pub.getFeedId());
 101                 } catch ( RequiredFieldException rfe ) {
 102                         try {
 103                                 checker.required( "feedName", pub.getFeedName());
 104                         }catch ( RequiredFieldException rfe2 ) {
 105                                 logger.debug( rfe2.getApiError().toString() );
 106                                 return responseBuilder.error(rfe2.getApiError());
 107                         }
 108                         // if we found a FeedName instead of a FeedId then try to look it up.
 109                         List<Feed> nfeeds =  feeds.getAllFeeds( pub.getFeedName(), pub.getFeedVersion(), "equals");
 110                         if ( nfeeds.size() != 1 ) {
 111                                 logger.debug( "Attempt to match "+ pub.getFeedName() + " ver="+pub.getFeedVersion() + " matched " + nfeeds.size() );
 112                                 return responseBuilder.error(resp.getErr());
 113                         }
 114                         fnew = nfeeds.get(0);
 115                 }
 116                 try {
 117                         checker.required( "dcaeLocationName", pub.getDcaeLocationName());
 118                 } catch ( RequiredFieldException rfe ) {
 119                         logger.debug( rfe.getApiError().toString() );
 120                         return responseBuilder.error(rfe.getApiError());
 121                 }
 122
 123
 124                 // we may have fnew already if located by FeedName
 125                 if ( fnew == null ) {
 126                         fnew = feeds.getFeed( pub.getFeedId(), resp.getErr() );
 127                 }
 128                 if ( fnew == null ) {
 129                         logger.info( "Specified feed " + pub.getFeedId() + " or " + pub.getFeedName() + " not known to Bus Controller");
 130                         return responseBuilder.error(resp.getErr());
 131                 }
 132
 133                 ArrayList<DR_Pub> pubs = fnew.getPubs();
 134                 logger.info( "num existing pubs before = " + pubs.size() );
 135
 136                 logger.info( "update feed");
 137                 pub.setNextPubId();
 138                 if ( pub.getUsername() == null ) {
 139                         pub.setRandomUserName();
 140                 }
 141                 if ( pub.getUserpwd() == null ) {
 142                         pub.setRandomPassword();
 143                 }
 144                 pubs.add( pub );
 145                 fnew.setPubs(pubs);
 146                 fnew = feeds.updateFeed( fnew, resp.getErr() );
 147
 148                 if ( ! resp.getErr().is2xx()) {
 149                         return responseBuilder.error(resp.getErr());
 150                 }
 151                 pubs = fnew.getPubs();
 152                 logger.info( "num existing pubs after = " + pubs.size() );
 153
 154                 DR_Pub pnew = dr_pubService.getDr_Pub(pub.getPubId(), resp.getErr());
 155                 return responseBuilder.success(Status.CREATED.getStatusCode(), pnew);
 156         }
 157
 158         @PUT
 159         @ApiOperation( value = "return DR_Pub details",
 160         notes = "update a DR Publisher in the specified environment.  Update a `DR_Pub` object by pubId",
 161         response = DR_Pub.class)
 162         @ApiResponses( value = {
 163             @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
 164             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
 165         })
 166         @Path("/{pubId}")
 167         public Response updateDr_Pub(
 168                         @PathParam("pubId") String name,
 169                         DR_Pub pub
 170                         ) {
 171                 logger.info( "Entry: PUT /dr_pubs");
 172                 pub.setPubId(name);
 173                 DR_Pub res = dr_pubService.updateDr_Pub(pub);
 174                 return responseBuilder.success(res);
 175         }
 176
 177         @DELETE
 178         @ApiOperation( value = "return DR_Pub details",
 179         notes = "delete a DR Publisher in the specified environment. Delete a `DR_Pub` object by pubId",
 180         response = DR_Pub.class)
 181         @ApiResponses( value = {
 182             @ApiResponse( code = 204, message = "Success", response = DR_Pub.class),
 183             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
 184         })
 185         @Path("/{pubId}")
 186         public Response deleteDr_Pub(
 187                         @PathParam("pubId") String id
 188                         ){
 189
 190                 ApiService resp = new ApiService();
 191
 192                 try {
 193                         checker.required( "pubId", id);
 194                 } catch ( RequiredFieldException rfe ) {
 195                         return responseBuilder.error(rfe.getApiError());
 196                 }
 197
 198                 DR_Pub pub =  dr_pubService.getDr_Pub( id, resp.getErr() );
 199                 if ( ! resp.getErr().is2xx()) {
 200                         return responseBuilder.error(resp.getErr());
 201                 }
 202                 FeedService feeds = new FeedService();
 203                 Feed fnew = feeds.getFeed( pub.getFeedId(), resp.getErr() );
 204                 if ( fnew == null ) {
 205                         logger.info( "Specified feed " + pub.getFeedId() + " not known to Bus Controller");
 206                         return responseBuilder.error(resp.getErr());
 207                 }
 208                 ArrayList<DR_Pub> pubs = fnew.getPubs();
 209                 if ( pubs.size() == 1 ) {
 210                         resp.setCode(Status.BAD_REQUEST.getStatusCode());
 211                         resp.setMessage( "Can't delete the last publisher of a feed");
 212                         return responseBuilder.error(resp.getErr());
 213                 }
 214
 215                 for( Iterator<DR_Pub> i = pubs.iterator(); i.hasNext(); ) {
 216                         DR_Pub listItem = i.next();
 217                         if ( listItem.getPubId().equals(id)) {
 218                                 i.remove();
 219                         }
 220                 }
 221                 fnew.setPubs(pubs);
 222                 fnew = feeds.updateFeed( fnew, resp.getErr() );
 223                 if ( ! resp.getErr().is2xx()) {
 224                         return responseBuilder.error(resp.getErr());
 225                 }
 226
 227                 dr_pubService.removeDr_Pub(id, resp.getErr() );
 228                 if ( ! resp.getErr().is2xx()) {
 229                         return responseBuilder.error(resp.getErr());
 230                 }
 231                 return responseBuilder.success(Status.NO_CONTENT.getStatusCode(), null);
 232         }
 233
 234         @GET
 235         @ApiOperation( value = "return DR_Pub details",
 236         notes = "returns a DR Publisher in the specified environment. Gets a `DR_Pub` object by pubId",
 237         response = DR_Pub.class)
 238         @ApiResponses( value = {
 239             @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
 240             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
 241         })
 242         @Path("/{pubId}")
 243         public Response get(
 244                         @PathParam("pubId") String id
 245                         ) {
 246                 ApiService resp = new ApiService();
 247
 248                 try {
 249                         checker.required( "feedId", id);
 250                 } catch ( RequiredFieldException rfe ) {
 251                         return responseBuilder.error(rfe.getApiError());
 252                 }
 253
 254                 DR_Pub pub =  dr_pubService.getDr_Pub( id, resp.getErr() );
 255                 if ( ! resp.getErr().is2xx()) {
 256                         resp.getErr();
 257                 }
 258                 return responseBuilder.success(Status.OK.getStatusCode(), pub);
 259         }
 260 }