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
  64         @GET
  65         @ApiOperation( value = "return DR_Pub details",
  66         notes = "Returns array of  `DR_Pub` objects.  Add filter for feedId.",
  67         response = DR_Pub.class)
  68         @ApiResponses( value = {
  69             @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
  70             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
  71         })
  72         public  Response getDr_Pubs() {
  73                 logger.info( "Entry: GET /dr_pubs");
  74                 List<DR_Pub> pubs = dr_pubService.getAllDr_Pubs();
  75
  76                 GenericEntity<List<DR_Pub>> list = new GenericEntity<List<DR_Pub>>(pubs) {
  77         };
  78         return responseBuilder.success(list);
  79         }
  80
  81         @POST
  82         @ApiOperation( value = "return DR_Pub details",
  83         notes = "create a DR Publisher in the specified environment.",
  84         response = DR_Pub.class)
  85         @ApiResponses( value = {
  86             @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
  87             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
  88         })
  89         public Response addDr_Pub(
  90                         DR_Pub pub
  91                         ) {
  92                 ApiService resp = new ApiService();
  93                 FeedService feeds = new FeedService();
  94                 Feed fnew = null;
  95
  96                 logger.info( "Entry: POST /dr_pubs");
  97
  98                 try {
  99                         resp.required( "feedId", pub.getFeedId(), "");
 100                 } catch ( RequiredFieldException rfe ) {
 101                         try {
 102                                 resp.required( "feedName", pub.getFeedName(), "");
 103                         }catch ( RequiredFieldException rfe2 ) {
 104                                 logger.debug( resp.toString() );
 105                                 return responseBuilder.error(resp.getErr());
 106                         }
 107                         // if we found a FeedName instead of a FeedId then try to look it up.
 108                         List<Feed> nfeeds =  feeds.getAllFeeds( pub.getFeedName(), pub.getFeedVersion(), "equals");
 109                         if ( nfeeds.size() != 1 ) {
 110                                 logger.debug( "Attempt to match "+ pub.getFeedName() + " ver="+pub.getFeedVersion() + " matched " + nfeeds.size() );
 111                                 return responseBuilder.error(resp.getErr());
 112                         }
 113                         fnew = nfeeds.get(0);
 114                 }
 115                 try {
 116                         resp.required( "dcaeLocationName", pub.getDcaeLocationName(), "");
 117                 } catch ( RequiredFieldException rfe ) {
 118                         logger.debug( resp.getErr().toString() );
 119                         return responseBuilder.error(resp.getErr());
 120                 }
 121
 122
 123                 // we may have fnew already if located by FeedName
 124                 if ( fnew == null ) {
 125                         fnew = feeds.getFeed( pub.getFeedId(), resp.getErr() );
 126                 }
 127                 if ( fnew == null ) {
 128                         logger.info( "Specified feed " + pub.getFeedId() + " or " + pub.getFeedName() + " not known to Bus Controller");
 129                         return responseBuilder.error(resp.getErr());
 130                 }
 131
 132                 ArrayList<DR_Pub> pubs = fnew.getPubs();
 133                 logger.info( "num existing pubs before = " + pubs.size() );
 134
 135                 logger.info( "update feed");
 136                 pub.setNextPubId();
 137                 if ( pub.getUsername() == null ) {
 138                         pub.setRandomUserName();
 139                 }
 140                 if ( pub.getUserpwd() == null ) {
 141                         pub.setRandomPassword();
 142                 }
 143                 pubs.add( pub );
 144                 fnew.setPubs(pubs);
 145                 fnew = feeds.updateFeed( fnew, resp.getErr() );
 146
 147                 if ( ! resp.getErr().is2xx()) {
 148                         return responseBuilder.error(resp.getErr());
 149                 }
 150                 pubs = fnew.getPubs();
 151                 logger.info( "num existing pubs after = " + pubs.size() );
 152
 153                 DR_Pub pnew = dr_pubService.getDr_Pub(pub.getPubId(), resp.getErr());
 154                 return responseBuilder.success(Status.CREATED.getStatusCode(), pnew);
 155         }
 156
 157         @PUT
 158         @ApiOperation( value = "return DR_Pub details",
 159         notes = "update a DR Publisher in the specified environment.  Update a `DR_Pub` object by pubId",
 160         response = DR_Pub.class)
 161         @ApiResponses( value = {
 162             @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
 163             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
 164         })
 165         @Path("/{pubId}")
 166         public Response updateDr_Pub(
 167                         @PathParam("pubId") String name,
 168                         DR_Pub pub
 169                         ) {
 170                 logger.info( "Entry: PUT /dr_pubs");
 171                 pub.setPubId(name);
 172                 DR_Pub res = dr_pubService.updateDr_Pub(pub);
 173                 return responseBuilder.success(res);
 174         }
 175
 176         @DELETE
 177         @ApiOperation( value = "return DR_Pub details",
 178         notes = "delete a DR Publisher in the specified environment. Delete a `DR_Pub` object by pubId",
 179         response = DR_Pub.class)
 180         @ApiResponses( value = {
 181             @ApiResponse( code = 204, message = "Success", response = DR_Pub.class),
 182             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
 183         })
 184         @Path("/{pubId}")
 185         public Response deleteDr_Pub(
 186                         @PathParam("pubId") String id
 187                         ){
 188
 189                 ApiService resp = new ApiService();
 190
 191                 try {
 192                         resp.required( "pubId", id, "");
 193                 } catch ( RequiredFieldException rfe ) {
 194                         return responseBuilder.error(resp.getErr());
 195                 }
 196
 197                 DR_Pub pub =  dr_pubService.getDr_Pub( id, resp.getErr() );
 198                 if ( ! resp.getErr().is2xx()) {
 199                         return responseBuilder.error(resp.getErr());
 200                 }
 201                 FeedService feeds = new FeedService();
 202                 Feed fnew = feeds.getFeed( pub.getFeedId(), resp.getErr() );
 203                 if ( fnew == null ) {
 204                         logger.info( "Specified feed " + pub.getFeedId() + " not known to Bus Controller");
 205                         return responseBuilder.error(resp.getErr());
 206                 }
 207                 ArrayList<DR_Pub> pubs = fnew.getPubs();
 208                 if ( pubs.size() == 1 ) {
 209                         resp.setCode(Status.BAD_REQUEST.getStatusCode());
 210                         resp.setMessage( "Can't delete the last publisher of a feed");
 211                         return responseBuilder.error(resp.getErr());
 212                 }
 213
 214                 for( Iterator<DR_Pub> i = pubs.iterator(); i.hasNext(); ) {
 215                         DR_Pub listItem = i.next();
 216                         if ( listItem.getPubId().equals(id)) {
 217                                 i.remove();
 218                         }
 219                 }
 220                 fnew.setPubs(pubs);
 221                 fnew = feeds.updateFeed( fnew, resp.getErr() );
 222                 if ( ! resp.getErr().is2xx()) {
 223                         return responseBuilder.error(resp.getErr());
 224                 }
 225
 226                 dr_pubService.removeDr_Pub(id, resp.getErr() );
 227                 if ( ! resp.getErr().is2xx()) {
 228                         return responseBuilder.error(resp.getErr());
 229                 }
 230                 return responseBuilder.success(Status.NO_CONTENT.getStatusCode(), null);
 231         }
 232
 233         @GET
 234         @ApiOperation( value = "return DR_Pub details",
 235         notes = "returns a DR Publisher in the specified environment. Gets a `DR_Pub` object by pubId",
 236         response = DR_Pub.class)
 237         @ApiResponses( value = {
 238             @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
 239             @ApiResponse( code = 400, message = "Error", response = ApiError.class )
 240         })
 241         @Path("/{pubId}")
 242         public Response get(
 243                         @PathParam("pubId") String id
 244                         ) {
 245                 ApiService resp = new ApiService();
 246
 247                 try {
 248                         resp.required( "feedId", id, "");
 249                 } catch ( RequiredFieldException rfe ) {
 250                         return responseBuilder.error(resp.getErr());
 251                 }
 252
 253                 DR_Pub pub =  dr_pubService.getDr_Pub( id, resp.getErr() );
 254                 if ( ! resp.getErr().is2xx()) {
 255                         resp.getErr();
 256                 }
 257                 return responseBuilder.success(Status.OK.getStatusCode(), pub);
 258         }
 259 }