[DMAAP-BC] Consolidate bus controller repos
[dmaap/buscontroller.git] / dmaap-bc / src / main / java / org / onap / dmaap / dbcapi / resources / DR_PubResource.java
diff --git a/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/resources/DR_PubResource.java b/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/resources/DR_PubResource.java
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+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dmaap
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dmaap.dbcapi.resources;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.GenericEntity;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+
+import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
+import org.onap.dmaap.dbcapi.model.ApiError;
+import org.onap.dmaap.dbcapi.model.DR_Pub;
+import org.onap.dmaap.dbcapi.model.Feed;
+import org.onap.dmaap.dbcapi.service.DR_PubService;
+import org.onap.dmaap.dbcapi.service.FeedService;
+
+
+@Path("/dr_pubs")
+@Api( value= "dr_pubs", description = "Endpoint for a Data Router client that implements a Publisher" )
+@Consumes(MediaType.APPLICATION_JSON)
+@Produces(MediaType.APPLICATION_JSON)
+@Authorization
+public class DR_PubResource extends BaseLoggingClass {
+
+       private DR_PubService dr_pubService = new DR_PubService();
+       private ResponseBuilder responseBuilder = new ResponseBuilder();
+       private RequiredChecker checker = new RequiredChecker();
+       
+       @GET
+       @ApiOperation( value = "return DR_Pub details", 
+       notes = "Returns array of  `DR_Pub` objects.  Add filter for feedId.", 
+       response = DR_Pub.class)
+       @ApiResponses( value = {
+           @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
+           @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+       })
+       public  Response getDr_Pubs() {
+               logger.info( "Entry: GET /dr_pubs");
+               List<DR_Pub> pubs = dr_pubService.getAllDr_Pubs();
+
+               GenericEntity<List<DR_Pub>> list = new GenericEntity<List<DR_Pub>>(pubs) {
+        };
+        return responseBuilder.success(list);
+       }
+
+
+       @POST
+       @ApiOperation( value = "return DR_Pub details", 
+       notes = "create a DR Publisher in the specified environment.", 
+       response = DR_Pub.class)
+       @ApiResponses( value = {
+           @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
+           @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+       })
+       public Response addDr_Pub(DR_Pub pub) {
+               ApiError apiError = new ApiError();
+               FeedService feeds = new FeedService();
+               Feed fnew = null;
+
+               logger.info( "Entry: POST /dr_pubs");
+
+               try {
+                       checker.required( "feedId", pub.getFeedId());
+               } catch ( RequiredFieldException rfe ) {
+                       try {
+                               checker.required( "feedName", pub.getFeedName());
+                       }catch ( RequiredFieldException rfe2 ) {
+                               logger.debug( rfe2.getApiError().toString() );
+                               return responseBuilder.error(rfe2.getApiError());
+                       }
+                       // if we found a FeedName instead of a FeedId then try to look it up.
+                       List<Feed> nfeeds =  feeds.getAllFeeds( pub.getFeedName(), pub.getFeedVersion(), "equals");
+                       if ( nfeeds.isEmpty() ) {
+                               apiError.setCode(Status.NOT_FOUND.getStatusCode());
+                               apiError.setFields("feedName");
+                               return responseBuilder.error(apiError);
+                       }
+                       fnew = nfeeds.get(0);
+               }
+               try {
+                       checker.required( "dcaeLocationName", pub.getDcaeLocationName());
+               } catch ( RequiredFieldException rfe ) {
+                       logger.debug( rfe.getApiError().toString() );
+                       return responseBuilder.error(rfe.getApiError());
+               }
+
+
+               // we may have fnew already if located by FeedName
+               if ( fnew == null ) {
+                       fnew = feeds.getFeed(pub.getFeedId(), apiError);
+               }
+               if ( fnew == null ) {
+                       logger.info( "Specified feed " + pub.getFeedId() + " or " + pub.getFeedName() + " not known to Bus Controller");        
+                       return responseBuilder.error(apiError);
+               }
+
+               ArrayList<DR_Pub> pubs = fnew.getPubs();
+               logger.info( "num existing pubs before = " + pubs.size() );
+               
+               logger.info( "update feed");
+               pub.setNextPubId();
+               if ( pub.getUsername() == null ) {
+                       pub.setRandomUserName();
+               }
+               if ( pub.getUserpwd() == null ) {
+                       pub.setRandomPassword();
+               }
+               pubs.add( pub );
+               fnew.setPubs(pubs);
+               fnew = feeds.updateFeed(fnew, apiError);
+               
+               if (!apiError.is2xx()) {
+                       return responseBuilder.error(apiError);
+               }
+               pubs = fnew.getPubs();
+               logger.info( "num existing pubs after = " + pubs.size() );
+               
+               DR_Pub pnew = dr_pubService.getDr_Pub(pub.getPubId(), apiError);
+               return responseBuilder.success(Status.CREATED.getStatusCode(), pnew);
+       }
+       
+       @PUT
+       @ApiOperation( value = "return DR_Pub details", 
+       notes = "update a DR Publisher in the specified environment.  Update a `DR_Pub` object by pubId", 
+       response = DR_Pub.class)
+       @ApiResponses( value = {
+           @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
+           @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+       })
+       @Path("/{pubId}")
+       public Response updateDr_Pub(@PathParam("pubId") String name, DR_Pub pub) {
+               logger.info( "Entry: PUT /dr_pubs");
+               pub.setPubId(name);
+               DR_Pub res = dr_pubService.updateDr_Pub(pub);
+               return responseBuilder.success(res);
+       }
+       
+       @DELETE
+       @ApiOperation( value = "return DR_Pub details", 
+       notes = "delete a DR Publisher in the specified environment. Delete a `DR_Pub` object by pubId", 
+       response = DR_Pub.class)
+       @ApiResponses( value = {
+           @ApiResponse( code = 204, message = "Success", response = DR_Pub.class),
+           @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+       })
+       @Path("/{pubId}")
+       public Response deleteDr_Pub(@PathParam("pubId") String id){
+
+               ApiError apiError = new ApiError();
+
+               try {
+                       checker.required( "pubId", id);
+               } catch ( RequiredFieldException rfe ) {
+                       return responseBuilder.error(rfe.getApiError());
+               }
+
+               DR_Pub pub =  dr_pubService.getDr_Pub(id, apiError);
+               if ( !apiError.is2xx()) {
+                       return responseBuilder.error(apiError);
+               }
+               FeedService feeds = new FeedService();
+               Feed fnew = feeds.getFeed(pub.getFeedId(), apiError);
+               if ( fnew == null ) {
+                       logger.info( "Specified feed " + pub.getFeedId() + " not known to Bus Controller");     
+                       return responseBuilder.error(apiError);
+               }
+               ArrayList<DR_Pub> pubs = fnew.getPubs();
+               if ( pubs.size() == 1 ) {
+                       apiError.setCode(Status.BAD_REQUEST.getStatusCode());
+                       apiError.setMessage( "Can't delete the last publisher of a feed");
+                       return responseBuilder.error(apiError);
+               }
+               
+               for( Iterator<DR_Pub> i = pubs.iterator(); i.hasNext(); ) {
+                       DR_Pub listItem = i.next();
+                       if ( listItem.getPubId().equals(id)) {
+                               i.remove();
+                       }
+               }
+               fnew.setPubs(pubs);
+               fnew = feeds.updateFeed(fnew,apiError);
+               if (!apiError.is2xx()) {
+                       return responseBuilder.error(apiError);
+               }
+               
+               dr_pubService.removeDr_Pub(id, apiError);
+               if (!apiError.is2xx()) {
+                       return responseBuilder.error(apiError);
+               }
+               return responseBuilder.success(Status.NO_CONTENT.getStatusCode(), null);
+       }
+
+       @GET
+       @ApiOperation( value = "return DR_Pub details", 
+       notes = "returns a DR Publisher in the specified environment. Gets a `DR_Pub` object by pubId", 
+       response = DR_Pub.class)
+       @ApiResponses( value = {
+           @ApiResponse( code = 200, message = "Success", response = DR_Pub.class),
+           @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+       })
+       @Path("/{pubId}")
+       public Response get(@PathParam("pubId") String id) {
+               ApiError apiError = new ApiError();
+
+               try {
+                       checker.required( "feedId", id);
+               } catch ( RequiredFieldException rfe ) {
+                       return responseBuilder.error(rfe.getApiError());
+               }
+
+               DR_Pub pub =  dr_pubService.getDr_Pub(id, apiError);
+               if (!apiError.is2xx()) {
+                       return responseBuilder.error(apiError);
+               }
+               return responseBuilder.success(Status.OK.getStatusCode(), pub);
+       }
+}