--- /dev/null
+/*-
+ * ============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.service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import javax.ws.rs.core.Response.Status;
+
+import org.apache.log4j.Logger;
+import org.onap.dmaap.dbcapi.aaf.client.DrProvConnection;
+import org.onap.dmaap.dbcapi.aaf.database.DatabaseClass;
+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.DR_Sub;
+import org.onap.dmaap.dbcapi.model.Feed;
+import org.onap.dmaap.dbcapi.model.DmaapObject.DmaapObject_Status;
+import org.onap.dmaap.dbcapi.util.DmaapConfig;
+
+public class FeedService extends BaseLoggingClass {
+
+ private Map<String, Feed> feeds = DatabaseClass.getFeeds();
+ private DR_PubService pubService = new DR_PubService();
+ private DR_SubService subService = new DR_SubService();
+ private DcaeLocationService dcaeLocations = new DcaeLocationService();
+ private String deleteHandling;
+
+ public FeedService() {
+ logger.info( "new FeedService");
+ DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig();
+ deleteHandling = p.getProperty("Feed.deleteHandling", "DeleteOnDR");
+
+ }
+
+ public Map<String, Feed> getFeeds() {
+ return feeds;
+ }
+
+ private void getSubObjects( Feed f ) {
+ ArrayList<DR_Pub> pubs = pubService.getDr_PubsByFeedId( f.getFeedId() );
+ f.setPubs(pubs);
+ ArrayList<DR_Sub> subs = subService.getDr_SubsByFeedId( f.getFeedId() );
+ f.setSubs(subs);
+ }
+
+ public List<Feed> getAllFeeds() {
+ ArrayList<Feed> fatFeeds = new ArrayList<Feed>();
+ for( Feed f: feeds.values() ) {
+ getSubObjects(f);
+ fatFeeds.add(f);
+ }
+ return fatFeeds;
+ }
+
+
+ private Feed _getFeed( String key, ApiError err, boolean flag ) {
+ Feed f = feeds.get( key );
+ if ( f != null && ( flag || f.getStatus() != DmaapObject_Status.DELETED ) ) {
+ getSubObjects( f );
+ } else {
+ err.setCode(Status.NOT_FOUND.getStatusCode());
+ err.setMessage("feed not found");
+ err.setFields("feedId=" + key );
+ return null;
+ }
+ err.setCode(200);
+ return f;
+ }
+ public Feed getFeed( String key, ApiError err ) {
+ return _getFeed( key, err, false );
+ }
+ public Feed getFeedPure( String key, ApiError err ) {
+ return _getFeed( key, err, true );
+ }
+
+ public Feed getFeedByName( String name, String ver, ApiError err ) {
+ for( Feed f: feeds.values() ) {
+ if ( f.getFeedName().equals( name ) && f.getFeedVersion().equals(ver) ) {
+ getSubObjects(f);
+ return f;
+ }
+
+ }
+ err.setCode(Status.NOT_FOUND.getStatusCode());
+ err.setMessage("feed not found");
+ err.setFields("feedName=" + name + " and ver=" + ver );
+ return null;
+
+ }
+
+ private boolean savePubs( Feed f ) {
+ return savePubs( f, f );
+ }
+ // need to save the Pub objects independently and copy pubId from original request
+ private boolean savePubs( Feed fnew, Feed req ) {
+ // save any pubs
+ DR_PubService pubSvc = new DR_PubService();
+ ArrayList<DR_Pub> reqPubs = req.getPubs();
+ ArrayList<DR_Pub> newPubs = fnew.getPubs();
+
+
+
+ int nSize = newPubs.size();
+ int rSize = reqPubs.size();
+ logger.info( "reqPubs size=" + rSize + " newPubs size=" + nSize );
+ if ( nSize != rSize ) {
+ errorLogger.error( "Resulting set of publishers do not match requested set of publishers " + nSize + " vs " + rSize );
+ fnew.setStatus( DmaapObject_Status.INVALID);
+ return false;
+ }
+ // NOTE: when i > 1 newPubs are in reverse order from reqPubs
+ for( int i = 0; i < reqPubs.size(); i++ ) {
+ DR_Pub reqPub = reqPubs.get(i);
+ ApiError err = new ApiError();
+ if ( pubSvc.getDr_Pub( reqPub.getPubId(), err ) == null ) {
+ DR_Pub newPub = newPubs.get(nSize - i - 1);
+ reqPub.setPubId(newPub.getPubId());
+ reqPub.setFeedId(newPub.getFeedId());
+ reqPub.setStatus(DmaapObject_Status.VALID);
+ if ( reqPub.getDcaeLocationName() == null ) {
+ reqPub.setDcaeLocationName("notSpecified");
+ }
+ pubSvc.addDr_Pub( reqPub );
+ }
+
+ }
+
+ fnew.setPubs(reqPubs);
+ fnew.setStatus(DmaapObject_Status.VALID);
+ return true;
+
+ }
+
+ private boolean saveSubs( Feed f ) {
+ return saveSubs( f, f );
+ }
+ // need to save the Sub objects independently
+ private boolean saveSubs( Feed fnew, Feed req ) {
+ ArrayList<DR_Sub> subs = req.getSubs();
+ if ( subs.size() == 0 ) {
+ logger.info( "No subs specified");
+ } else {
+ DR_SubService subSvc = new DR_SubService( fnew.getSubscribeURL() );
+ ApiError err = new ApiError();
+ for( int i = 0; i < subs.size(); i++ ) {
+ DR_Sub sub = subs.get(i);
+ if ( subSvc.getDr_Sub( sub.getSubId(), err) == null ) {
+ subs.set( i, subSvc.addDr_Sub(sub, err));
+ if ( ! err.is2xx()) {
+ logger.error( "i=" + i + " url=" + sub.getDeliveryURL() + " err=" + err.getCode() );
+ return false;
+ }
+ }
+
+ }
+ fnew.setSubs(subs);
+ }
+
+
+ fnew.setStatus(DmaapObject_Status.VALID);
+ return true;
+
+ }
+
+ public Feed addFeed( Feed req, ApiError err ) {
+
+ // at least 1 pub is required by DR, so create a default pub if none is specified
+ if ( req.getPubs().size() == 0 ) {
+ logger.info( "No pubs specified - creating tmp pub");
+ ArrayList<DR_Pub> pubs = new ArrayList<DR_Pub>();
+ pubs.add( new DR_Pub( dcaeLocations.getCentralLocation())
+ .setRandomUserName()
+ .setRandomPassword());
+ req.setPubs(pubs);
+ }
+
+
+ DrProvConnection prov = new DrProvConnection();
+ prov.makeFeedConnection();
+ String resp = prov.doPostFeed( req, err );
+ logger.info( "resp=" + resp );
+ if ( resp == null ) {
+ switch( err.getCode() ) {
+ case 400:
+ err.setFields( "feedName=" + req.getFeedName() + " + feedVersion=" + req.getFeedVersion() );
+ break;
+ case 403:
+ err.setCode(500);
+ err.setMessage("API deployment/configuration error - contact support");
+ err.setFields( "PROV_AUTH_ADDRESSES");
+ logger.error( "Prov response: 403. " + err.getMessage() + " regarding " + err.getFields() );
+ break;
+ default:
+ err.setCode(500);
+ err.setMessage( "Unexpected response from DR backend" );
+ err.setFields("response");
+ }
+ return null;
+
+ }
+
+
+ Feed fnew = new Feed( resp );
+ logger.info( "fnew status is:" + fnew.getStatus() );
+ if ( ! fnew.isStatusValid()) {
+ err.setCode(500);
+ err.setMessage( "Unexpected response from DR backend" );
+ err.setFields("response");
+ return null;
+ }
+
+ //saveChildren( fnew, req );
+ if ( ! savePubs( fnew, req ) || ! saveSubs( fnew, req ) ) {
+ err.setCode(Status.BAD_REQUEST.getStatusCode());
+ err.setMessage("Unable to save Pub or Sub objects");
+ return null;
+ }
+ fnew.setFormatUuid(req.getFormatUuid());
+ fnew.setLastMod();
+ feeds.put( fnew.getFeedId(), fnew );
+ return fnew;
+ }
+
+ public Feed updateFeed( Feed req, ApiError err ) {
+
+ // at least 1 pub is required by DR, so create a default pub if none is specified
+ if ( req.getPubs().size() == 0 ) {
+ logger.info( "No pubs specified - creating tmp pub");
+ ArrayList<DR_Pub> pubs = new ArrayList<DR_Pub>();
+ pubs.add( new DR_Pub( dcaeLocations.getCentralLocation())
+ .setRandomUserName()
+ .setRandomPassword());
+ req.setPubs(pubs);
+ }
+
+ DrProvConnection prov = new DrProvConnection();
+ prov.makeFeedConnection( req.getFeedId() );
+ String resp = prov.doPutFeed( req, err );
+ logger.info( "resp=" + resp );
+ if ( resp == null ) {
+ switch( err.getCode() ) {
+ case 400:
+ err.setFields( "feedName=" + req.getFeedName() + " + feedVersion=" + req.getFeedVersion() );
+ break;
+ case 403:
+ err.setCode(500);
+ err.setMessage("API deployment/configuration error - contact support");
+ err.setFields( "PROV_AUTH_ADDRESSES");
+ break;
+ default:
+ err.setCode(500);
+ err.setMessage( "Unexpected response from DR backend" );
+ err.setFields("response");
+ }
+ return null;
+ }
+
+
+ Feed fnew = new Feed( resp );
+ logger.info( "fnew status is:" + fnew.getStatus() );
+ if ( ! fnew.isStatusValid()) {
+ err.setCode(500);
+ err.setMessage( "Unexpected response from DR backend" );
+ err.setFields("response");
+ return null;
+ }
+
+ if ( ! savePubs( fnew, req ) || ! saveSubs( fnew, req ) ) {
+ err.setCode(Status.BAD_REQUEST.getStatusCode());
+ err.setMessage("Unable to save Pub or Sub objects");
+ return null;
+ }
+ fnew.setFormatUuid(req.getFormatUuid());
+ fnew.setLastMod();
+ feeds.put( fnew.getFeedId(), fnew );
+ return fnew;
+ }
+
+
+ //
+ // DR does not actually delete a feed, so we provide two behaviors:
+ // 1) clean up the feed by removing all subs and pubs, mark it here as DELETED.
+ // then client can add it back if desired.
+ // 2) Call the DR Delete function. Feed with the same name and version can never be added again
+ //
+ public Feed removeFeed( Feed req, ApiError err ) {
+
+ // strip pubs and subs from feed first no matter what
+ ArrayList<DR_Pub> pubs = pubService.getDr_PubsByFeedId( req.getFeedId() );
+ for( DR_Pub pub: pubs ) {
+ pubService.removeDr_Pub(pub.getPubId(), err);
+ if ( ! err.is2xx()) {
+ return req;
+ }
+ }
+ ArrayList<DR_Sub> subs = subService.getDr_SubsByFeedId( req.getFeedId() );
+ for ( DR_Sub sub: subs ) {
+ subService.removeDr_Sub(sub.getSubId(), err);
+ if ( ! err.is2xx()) {
+ return req;
+ }
+ }
+
+ if ( deleteHandling.equalsIgnoreCase("DeleteOnDR")) {
+ DrProvConnection prov = new DrProvConnection();
+ prov.makeFeedConnection( req.getFeedId() );
+ String resp = prov.doDeleteFeed( req, err );
+ logger.info( "resp=" + resp );
+ if ( resp == null ) {
+ switch( err.getCode() ) {
+ case 400:
+ err.setFields( "feedName=" + req.getFeedName() + " + feedVersion=" + req.getFeedVersion() );
+ break;
+ case 403:
+ err.setCode(500);
+ err.setMessage("API deployment/configuration error - contact support");
+ err.setFields( "PROV_AUTH_ADDRESSES");
+ break;
+ default:
+ err.setCode(500);
+ err.setMessage( "Unexpected response from DR backend" );
+ err.setFields("response");
+ }
+ return req; // return back the requested feed - implies it wasn't removed
+ }
+ return feeds.remove(req.getFeedId());
+ } else {
+ req.setStatus(DmaapObject_Status.DELETED);
+ req.setPubs(null);
+ req.setSubs(null);
+ req.setLastMod();
+ feeds.put( req.getFeedId(), req );
+ return null;
+ }
+
+
+ }
+
+}
Code Review / dmaap / dbcapi.git / blobdiff