Refactor Prov DB handling
[dmaap/datarouter.git] / datarouter-prov / src / main / java / org / onap / dmaap / datarouter / provisioning / beans / Feed.java
index d38681f..ac1f70a 100644 (file)
@@ -42,8 +42,8 @@ import java.util.Set;
 import org.json.JSONArray;\r
 import org.json.JSONException;\r
 import org.json.JSONObject;\r
-import org.onap.dmaap.datarouter.provisioning.utils.DB;\r
 import org.onap.dmaap.datarouter.provisioning.utils.JSONUtilities;\r
+import org.onap.dmaap.datarouter.provisioning.utils.ProvDbUtils;\r
 import org.onap.dmaap.datarouter.provisioning.utils.URLUtilities;\r
 \r
 \r
@@ -58,7 +58,6 @@ public class Feed extends Syncable {
 \r
     private static EELFLogger intlogger = EELFManager.getInstance().getLogger("InternalLog");\r
     private static int nextFeedID = getMaxFeedID() + 1;\r
-    private static final String SQLEXCEPTION = "SQLException: ";\r
     private static final String FEED_ID_SQL = "FEEDID";\r
     private static final String FEED_ID = "feedid";\r
     private static final String DEL = "deleted";\r
@@ -150,7 +149,7 @@ public class Feed extends Syncable {
             this.groupid = jo.optInt("groupid");\r
             this.name = jo.getString("name");\r
             this.aafInstance = jo.optString("aaf_instance", "legacy");\r
-            if (!(aafInstance.equalsIgnoreCase("legacy")) && aafInstance.length() > 255) {\r
+            if (!("legacy".equalsIgnoreCase(aafInstance)) && aafInstance.length() > 255) {\r
                 throw new InvalidObjectException("aaf_instance field is too long");\r
             }\r
             if (name.length() > 255) {\r
@@ -224,20 +223,17 @@ public class Feed extends Syncable {
      * @return true if it is valid\r
      */\r
     @SuppressWarnings("resource")\r
-    public static boolean isFeedValid(int id) {\r
+    static boolean isFeedValid(int id) {\r
         int count = 0;\r
-        try {\r
-            DB db = new DB();\r
-            Connection conn = db.getConnection();\r
-            try (PreparedStatement stmt = conn.prepareStatement("select COUNT(*) from FEEDS where FEEDID = ?")) {\r
-                stmt.setInt(1, id);\r
-                try (ResultSet rs = stmt.executeQuery()) {\r
-                    if (rs.next()) {\r
-                        count = rs.getInt(1);\r
-                    }\r
+        try (Connection conn = ProvDbUtils.getInstance().getConnection();\r
+            PreparedStatement ps = conn.prepareStatement(\r
+                "select COUNT(*) from FEEDS where FEEDID = ?")) {\r
+            ps.setInt(1, id);\r
+            try (ResultSet rs = ps.executeQuery()) {\r
+                if (rs.next()) {\r
+                    count = rs.getInt(1);\r
                 }\r
             }\r
-            db.release(conn);\r
         } catch (SQLException e) {\r
             intlogger.warn("PROV0024 Feed.isFeedValid: " + e.getMessage(), e);\r
         }\r
@@ -276,17 +272,14 @@ public class Feed extends Syncable {
      */\r
     public static int countActiveFeeds() {\r
         int count = 0;\r
-        try {\r
-            DB db = new DB();\r
-            @SuppressWarnings("resource") Connection conn = db.getConnection();\r
-            try (Statement stmt = conn.createStatement()) {\r
-                try (ResultSet rs = stmt.executeQuery("select count(*) from FEEDS where DELETED = 0")) {\r
-                    if (rs.next()) {\r
-                        count = rs.getInt(1);\r
-                    }\r
+        try (Connection conn = ProvDbUtils.getInstance().getConnection();\r
+            PreparedStatement ps = conn.prepareStatement(\r
+                "select count(*) from FEEDS where DELETED = 0")) {\r
+            try (ResultSet rs = ps.executeQuery()) {\r
+                if (rs.next()) {\r
+                    count = rs.getInt(1);\r
                 }\r
             }\r
-            db.release(conn);\r
         } catch (SQLException e) {\r
             intlogger.warn("PROV0025 Feed.countActiveFeeds: " + e.getMessage(), e);\r
         }\r
@@ -299,18 +292,14 @@ public class Feed extends Syncable {
      */\r
     public static int getMaxFeedID() {\r
         int max = 0;\r
-        try {\r
-            DB db = new DB();\r
-            @SuppressWarnings("resource")\r
-            Connection conn = db.getConnection();\r
-            try (Statement stmt = conn.createStatement()) {\r
-                try (ResultSet rs = stmt.executeQuery("select MAX(feedid) from FEEDS")) {\r
-                    if (rs.next()) {\r
-                        max = rs.getInt(1);\r
-                    }\r
+        try (Connection conn = ProvDbUtils.getInstance().getConnection();\r
+            PreparedStatement ps = conn.prepareStatement(\r
+                "select MAX(feedid) from FEEDS")) {\r
+            try (ResultSet rs = ps.executeQuery()) {\r
+                if (rs.next()) {\r
+                    max = rs.getInt(1);\r
                 }\r
             }\r
-            db.release(conn);\r
         } catch (SQLException e) {\r
             intlogger.warn("PROV0026 Feed.getMaxFeedID: " + e.getMessage(), e);\r
         }\r
@@ -323,44 +312,37 @@ public class Feed extends Syncable {
      */\r
     public static Collection<Feed> getAllFeeds() {\r
         Map<Integer, Feed> map = new HashMap<>();\r
-        try {\r
-            DB db = new DB();\r
-            @SuppressWarnings("resource")\r
-            Connection conn = db.getConnection();\r
-            try (Statement stmt = conn.createStatement()) {\r
-                try (ResultSet rs = stmt.executeQuery("select * from FEEDS")) {\r
-                    while (rs.next()) {\r
-                        Feed feed = new Feed(rs);\r
-                        map.put(feed.getFeedid(), feed);\r
-                    }\r
+        try (Connection conn = ProvDbUtils.getInstance().getConnection()) {\r
+            try (PreparedStatement ps = conn.prepareStatement("select * from FEEDS");\r
+                ResultSet rs = ps.executeQuery()) {\r
+                while (rs.next()) {\r
+                    Feed feed = new Feed(rs);\r
+                    map.put(feed.getFeedid(), feed);\r
                 }\r
-\r
-                String sql = "select * from FEED_ENDPOINT_IDS";\r
-                try (ResultSet rs = stmt.executeQuery(sql)) {\r
-                    while (rs.next()) {\r
-                        int id = rs.getInt(FEED_ID_SQL);\r
-                        Feed feed = map.get(id);\r
-                        if (feed != null) {\r
-                            FeedEndpointID epi = new FeedEndpointID(rs);\r
-                            Collection<FeedEndpointID> ecoll = feed.getAuthorization().getEndpointIDS();\r
-                            ecoll.add(epi);\r
-                        }\r
+            }\r
+            try (PreparedStatement ps = conn.prepareStatement("select * from FEED_ENDPOINT_IDS");\r
+                ResultSet rs = ps.executeQuery()) {\r
+                while (rs.next()) {\r
+                    int id = rs.getInt(FEED_ID_SQL);\r
+                    Feed feed = map.get(id);\r
+                    if (feed != null) {\r
+                        FeedEndpointID epi = new FeedEndpointID(rs);\r
+                        Collection<FeedEndpointID> ecoll = feed.getAuthorization().getEndpointIDS();\r
+                        ecoll.add(epi);\r
                     }\r
                 }\r
-\r
-                sql = "select * from FEED_ENDPOINT_ADDRS";\r
-                try (ResultSet rs = stmt.executeQuery(sql)) {\r
-                    while (rs.next()) {\r
-                        int id = rs.getInt(FEED_ID_SQL);\r
-                        Feed feed = map.get(id);\r
-                        if (feed != null) {\r
-                            Collection<String> acoll = feed.getAuthorization().getEndpointAddrs();\r
-                            acoll.add(rs.getString("ADDR"));\r
-                        }\r
+            }\r
+            try (PreparedStatement ps = conn.prepareStatement("select * from FEED_ENDPOINT_ADDRS");\r
+                ResultSet rs = ps.executeQuery()) {\r
+                while (rs.next()) {\r
+                    int id = rs.getInt(FEED_ID_SQL);\r
+                    Feed feed = map.get(id);\r
+                    if (feed != null) {\r
+                        Collection<String> acoll = feed.getAuthorization().getEndpointAddrs();\r
+                        acoll.add(rs.getString("ADDR"));\r
                     }\r
                 }\r
             }\r
-            db.release(conn);\r
         } catch (SQLException e) {\r
             intlogger.warn("PROV0027 Feed.getAllFeeds: " + e.getMessage(), e);\r
         }\r
@@ -382,26 +364,21 @@ public class Feed extends Syncable {
             sql += " and PUBLISHER = ?";\r
         } else if (name.equals("subs")) {\r
             sql = "select distinct FEEDS.SELF_LINK from FEEDS, SUBSCRIPTIONS "\r
-                          + "where DELETED = 0 "\r
-                          + "and FEEDS.FEEDID = SUBSCRIPTIONS.FEEDID "\r
-                          + "and SUBSCRIPTIONS.SUBSCRIBER = ?";\r
+                + "where DELETED = 0 "\r
+                + "and FEEDS.FEEDID = SUBSCRIPTIONS.FEEDID "\r
+                + "and SUBSCRIPTIONS.SUBSCRIBER = ?";\r
         }\r
-        try {\r
-            DB db = new DB();\r
-            @SuppressWarnings("resource")\r
-            Connection conn = db.getConnection();\r
-            try (PreparedStatement ps = conn.prepareStatement(sql)) {\r
-                if (sql.indexOf('?') >= 0) {\r
-                    ps.setString(1, val);\r
-                }\r
-                try (ResultSet rs = ps.executeQuery()) {\r
-                    while (rs.next()) {\r
-                        String str = rs.getString(1);\r
-                        list.add(str.trim());\r
-                    }\r
+        try (Connection conn = ProvDbUtils.getInstance().getConnection();\r
+            PreparedStatement ps = conn.prepareStatement(sql)) {\r
+            if (sql.indexOf('?') >= 0) {\r
+                ps.setString(1, val);\r
+            }\r
+            try (ResultSet rs = ps.executeQuery()) {\r
+                while (rs.next()) {\r
+                    String str = rs.getString(1);\r
+                    list.add(str.trim());\r
                 }\r
             }\r
-            db.release(conn);\r
         } catch (SQLException e) {\r
             intlogger.warn("PROV0028 Feed.getFilteredFeedUrlList: " + e.getMessage(), e);\r
         }\r
@@ -411,9 +388,7 @@ public class Feed extends Syncable {
     @SuppressWarnings("resource")\r
     private static Feed getFeedBySQL(String sql) {\r
         Feed feed = null;\r
-        try {\r
-            DB db = new DB();\r
-            Connection conn = db.getConnection();\r
+        try (Connection conn = ProvDbUtils.getInstance().getConnection()) {\r
             try (Statement stmt = conn.createStatement()) {\r
                 try (ResultSet rs = stmt.executeQuery(sql)) {\r
                     if (rs.next()) {\r
@@ -438,7 +413,6 @@ public class Feed extends Syncable {
                     }\r
                 }\r
             }\r
-            db.release(conn);\r
         } catch (SQLException e) {\r
             intlogger.warn("PROV0029 Feed.getFeedBySQL: " + e.getMessage(), e);\r
         }\r
@@ -453,7 +427,7 @@ public class Feed extends Syncable {
 \r
     /**\r
      *  Set feedid with FeedLinks.\r
-      * @param feedid Feedid to set to\r
+     * @param feedid Feedid to set to\r
      */\r
     public void setFeedid(int feedid) {\r
         this.feedid = feedid;\r
@@ -470,10 +444,6 @@ public class Feed extends Syncable {
         return aafInstance;\r
     }\r
 \r
-    public void setAafInstance(String aafInstance) {\r
-        this.aafInstance = aafInstance;\r
-    }\r
-\r
     //new getter setters for groups- Rally:US708115 - 1610\r
     public int getGroupid() {\r
         return groupid;\r
@@ -508,11 +478,11 @@ public class Feed extends Syncable {
     }\r
 \r
     // New field is added - Groups feature Rally:US708102 - 1610\r
-    public String getBusinessDescription() {\r
+    String getBusinessDescription() {\r
         return businessDescription;\r
     }\r
 \r
-    public void setBusinessDescription(String businessDescription) {\r
+    void setBusinessDescription(String businessDescription) {\r
         this.businessDescription = businessDescription;\r
     }\r
 \r
@@ -545,7 +515,7 @@ public class Feed extends Syncable {
         return links;\r
     }\r
 \r
-    public void setLinks(FeedLinks links) {\r
+    void setLinks(FeedLinks links) {\r
         this.links = links;\r
     }\r
 \r
@@ -557,11 +527,11 @@ public class Feed extends Syncable {
         this.deleted = deleted;\r
     }\r
 \r
-    public boolean isSuspended() {\r
+    boolean isSuspended() {\r
         return suspended;\r
     }\r
 \r
-    public void setSuspended(boolean suspended) {\r
+    void setSuspended(boolean suspended) {\r
         this.suspended = suspended;\r
     }\r
 \r
@@ -621,23 +591,12 @@ public class Feed extends Syncable {
     @Override\r
     public boolean doDelete(Connection conn) {\r
         boolean rv = true;\r
-        PreparedStatement ps = null;\r
-        try {\r
-            String sql = "delete from FEEDS where FEEDID = ?";\r
-            ps = conn.prepareStatement(sql);\r
+        try (PreparedStatement ps = conn.prepareStatement("delete from FEEDS where FEEDID = ?")) {\r
             ps.setInt(1, feedid);\r
             ps.execute();\r
         } catch (SQLException e) {\r
             rv = false;\r
             intlogger.error("PROV0007 doDelete: " + e.getMessage(), e);\r
-        } finally {\r
-            try {\r
-                if (ps != null) {\r
-                    ps.close();\r
-                }\r
-            } catch (SQLException e) {\r
-                intlogger.error(SQLEXCEPTION + e.getMessage(), e);\r
-            }\r
         }\r
         return rv;\r
     }\r
@@ -653,51 +612,46 @@ public class Feed extends Syncable {
             if (feedid > nextFeedID) {\r
                 nextFeedID = feedid + 1;\r
             }\r
-\r
             // Create FEED_ENDPOINT_IDS rows\r
             FeedAuthorization auth = getAuthorization();\r
-            String sql = "insert into FEED_ENDPOINT_IDS values (?, ?, ?)";\r
-            try (PreparedStatement ps2 = conn.prepareStatement(sql)) {\r
+            try (PreparedStatement ps = conn.prepareStatement("insert into FEED_ENDPOINT_IDS values (?, ?, ?)")) {\r
                 for (FeedEndpointID fid : auth.getEndpointIDS()) {\r
-                    ps2.setInt(1, feedid);\r
-                    ps2.setString(2, fid.getId());\r
-                    ps2.setString(3, fid.getPassword());\r
-                    ps2.executeUpdate();\r
+                    ps.setInt(1, feedid);\r
+                    ps.setString(2, fid.getId());\r
+                    ps.setString(3, fid.getPassword());\r
+                    ps.executeUpdate();\r
                 }\r
             }\r
-\r
             // Create FEED_ENDPOINT_ADDRS rows\r
-            sql = "insert into FEED_ENDPOINT_ADDRS values (?, ?)";\r
-            try (PreparedStatement ps2 = conn.prepareStatement(sql)) {\r
+            try (PreparedStatement ps = conn.prepareStatement("insert into FEED_ENDPOINT_ADDRS values (?, ?)")) {\r
                 for (String t : auth.getEndpointAddrs()) {\r
-                    ps2.setInt(1, feedid);\r
-                    ps2.setString(2, t);\r
-                    ps2.executeUpdate();\r
+                    ps.setInt(1, feedid);\r
+                    ps.setString(2, t);\r
+                    ps.executeUpdate();\r
                 }\r
             }\r
-\r
             // Finally, create the FEEDS row\r
-            sql = "insert into FEEDS (FEEDID, NAME, VERSION, DESCRIPTION, AUTH_CLASS, PUBLISHER, SELF_LINK, "\r
-                          + "PUBLISH_LINK, SUBSCRIBE_LINK, LOG_LINK, DELETED, SUSPENDED,"\r
-                          + "BUSINESS_DESCRIPTION, GROUPID, AAF_INSTANCE) "\r
-                          + "values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";\r
-            try (PreparedStatement ps2 = conn.prepareStatement(sql)) {\r
-                ps2.setInt(1, feedid);\r
-                ps2.setString(2, getName());\r
-                ps2.setString(3, getVersion());\r
-                ps2.setString(4, getDescription());\r
-                ps2.setString(5, getAuthorization().getClassification());\r
-                ps2.setString(6, getPublisher());\r
-                ps2.setString(7, getLinks().getSelf());\r
-                ps2.setString(8, getLinks().getPublish());\r
-                ps2.setString(9, getLinks().getSubscribe());\r
-                ps2.setString(10, getLinks().getLog());\r
-                ps2.setBoolean(11, isDeleted());\r
-                ps2.setBoolean(12, isSuspended());\r
-                ps2.setString(13, getBusinessDescription());\r
-                ps2.setInt(14, groupid);\r
-                ps2.setString(15, getAafInstance());\r
-                ps2.executeUpdate();\r
+            try (PreparedStatement ps = conn.prepareStatement(\r
+                "insert into FEEDS (FEEDID, NAME, VERSION, DESCRIPTION, AUTH_CLASS, PUBLISHER, SELF_LINK, "\r
+                    + "PUBLISH_LINK, SUBSCRIBE_LINK, LOG_LINK, DELETED, SUSPENDED,"\r
+                    + "BUSINESS_DESCRIPTION, GROUPID, AAF_INSTANCE) "\r
+                    + "values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)")) {\r
+                ps.setInt(1, feedid);\r
+                ps.setString(2, getName());\r
+                ps.setString(3, getVersion());\r
+                ps.setString(4, getDescription());\r
+                ps.setString(5, getAuthorization().getClassification());\r
+                ps.setString(6, getPublisher());\r
+                ps.setString(7, getLinks().getSelf());\r
+                ps.setString(8, getLinks().getPublish());\r
+                ps.setString(9, getLinks().getSubscribe());\r
+                ps.setString(10, getLinks().getLog());\r
+                ps.setBoolean(11, isDeleted());\r
+                ps.setBoolean(12, isSuspended());\r
+                ps.setString(13, getBusinessDescription());\r
+                ps.setInt(14, groupid);\r
+                ps.setString(15, getAafInstance());\r
+                ps.executeUpdate();\r
             }\r
         } catch (SQLException e) {\r
             rv = false;\r
@@ -709,88 +663,72 @@ public class Feed extends Syncable {
     @Override\r
     public boolean doUpdate(Connection conn) {\r
         boolean rv = true;\r
-        Feed oldobj = getFeedById(feedid);\r
-        PreparedStatement ps = null;\r
         try {\r
+            Feed oldobj = getFeedById(feedid);\r
             Set<FeedEndpointID> newset = getAuthorization().getEndpointIDS();\r
             Set<FeedEndpointID> oldset = oldobj.getAuthorization().getEndpointIDS();\r
-\r
-            // Insert new FEED_ENDPOINT_IDS rows\r
-            String sql = "insert into FEED_ENDPOINT_IDS values (?, ?, ?)";\r
-            ps = conn.prepareStatement(sql);\r
-            for (FeedEndpointID fid : newset) {\r
-                if (!oldset.contains(fid)) {\r
-                    ps.setInt(1, feedid);\r
-                    ps.setString(2, fid.getId());\r
-                    ps.setString(3, fid.getPassword());\r
-                    ps.executeUpdate();\r
+            try (PreparedStatement ps = conn.prepareStatement("insert into FEED_ENDPOINT_IDS values (?, ?, ?)")) {\r
+                // Insert new FEED_ENDPOINT_IDS rows\r
+                for (FeedEndpointID fid : newset) {\r
+                    if (!oldset.contains(fid)) {\r
+                        ps.setInt(1, feedid);\r
+                        ps.setString(2, fid.getId());\r
+                        ps.setString(3, fid.getPassword());\r
+                        ps.executeUpdate();\r
+                    }\r
                 }\r
             }\r
-            ps.close();\r
-\r
             // Delete old FEED_ENDPOINT_IDS rows\r
-            sql = "delete from FEED_ENDPOINT_IDS where FEEDID = ? AND USERID = ? AND PASSWORD = ?";\r
-            ps = conn.prepareStatement(sql);\r
-            for (FeedEndpointID fid : oldset) {\r
-                if (!newset.contains(fid)) {\r
-                    ps.setInt(1, feedid);\r
-                    ps.setString(2, fid.getId());\r
-                    ps.setString(3, fid.getPassword());\r
-                    ps.executeUpdate();\r
+            try (PreparedStatement ps = conn.prepareStatement(\r
+                "delete from FEED_ENDPOINT_IDS where FEEDID = ? AND USERID = ? AND PASSWORD = ?")) {\r
+                for (FeedEndpointID fid : oldset) {\r
+                    if (!newset.contains(fid)) {\r
+                        ps.setInt(1, feedid);\r
+                        ps.setString(2, fid.getId());\r
+                        ps.setString(3, fid.getPassword());\r
+                        ps.executeUpdate();\r
+                    }\r
                 }\r
             }\r
-            ps.close();\r
-\r
-            // Insert new FEED_ENDPOINT_ADDRS rows\r
             Set<String> newset2 = getAuthorization().getEndpointAddrs();\r
             Set<String> oldset2 = oldobj.getAuthorization().getEndpointAddrs();\r
-            sql = "insert into FEED_ENDPOINT_ADDRS values (?, ?)";\r
-            ps = conn.prepareStatement(sql);\r
-            for (String t : newset2) {\r
-                if (!oldset2.contains(t)) {\r
-                    ps.setInt(1, feedid);\r
-                    ps.setString(2, t);\r
-                    ps.executeUpdate();\r
+            // Insert new FEED_ENDPOINT_ADDRS rows\r
+            try (PreparedStatement ps = conn.prepareStatement("insert into FEED_ENDPOINT_ADDRS values (?, ?)")) {\r
+                for (String t : newset2) {\r
+                    if (!oldset2.contains(t)) {\r
+                        ps.setInt(1, feedid);\r
+                        ps.setString(2, t);\r
+                        ps.executeUpdate();\r
+                    }\r
                 }\r
             }\r
-            ps.close();\r
-\r
             // Delete old FEED_ENDPOINT_ADDRS rows\r
-            sql = "delete from FEED_ENDPOINT_ADDRS where FEEDID = ? AND ADDR = ?";\r
-            ps = conn.prepareStatement(sql);\r
-            for (String t : oldset2) {\r
-                if (!newset2.contains(t)) {\r
-                    ps.setInt(1, feedid);\r
-                    ps.setString(2, t);\r
-                    ps.executeUpdate();\r
+            try (PreparedStatement ps = conn.prepareStatement(\r
+                "delete from FEED_ENDPOINT_ADDRS where FEEDID = ? AND ADDR = ?")) {\r
+                for (String t : oldset2) {\r
+                    if (!newset2.contains(t)) {\r
+                        ps.setInt(1, feedid);\r
+                        ps.setString(2, t);\r
+                        ps.executeUpdate();\r
+                    }\r
                 }\r
             }\r
-            ps.close();\r
-\r
-            // Finally, update the FEEDS row\r
-            sql = "update FEEDS set DESCRIPTION = ?, AUTH_CLASS = ?, DELETED = ?, SUSPENDED = ?, "\r
-                          + "BUSINESS_DESCRIPTION=?, GROUPID=? where FEEDID = ?";\r
-            ps = conn.prepareStatement(sql);\r
-            ps.setString(1, getDescription());\r
-            ps.setString(2, getAuthorization().getClassification());\r
-            ps.setInt(3, deleted ? 1 : 0);\r
-            ps.setInt(4, suspended ? 1 : 0);\r
-            ps.setString(5, getBusinessDescription());\r
-            ps.setInt(6, groupid);\r
-            ps.setInt(7, feedid);\r
-            ps.executeUpdate();\r
-            ps.close();\r
+            try (PreparedStatement ps = conn.prepareStatement(\r
+                "update FEEDS set DESCRIPTION = ?, AUTH_CLASS = ?, DELETED = ?, SUSPENDED = ?, "\r
+                    + "BUSINESS_DESCRIPTION=?, GROUPID=? where FEEDID = ?")) {\r
+                // Finally, update the FEEDS row\r
+                ps.setString(1, getDescription());\r
+                ps.setString(2, getAuthorization().getClassification());\r
+                ps.setInt(3, deleted ? 1 : 0);\r
+                ps.setInt(4, suspended ? 1 : 0);\r
+                ps.setString(5, getBusinessDescription());\r
+                ps.setInt(6, groupid);\r
+                ps.setInt(7, feedid);\r
+                ps.executeUpdate();\r
+            }\r
         } catch (SQLException e) {\r
             rv = false;\r
             intlogger.warn("PROV0006 doUpdate: " + e.getMessage(), e);\r
-        } finally {\r
-            try {\r
-                if (ps != null) {\r
-                    ps.close();\r
-                }\r
-            } catch (SQLException e) {\r
-                intlogger.error(SQLEXCEPTION + e.getMessage(), e);\r
-            }\r
         }\r
         return rv;\r
     }\r
@@ -801,29 +739,15 @@ public class Feed extends Syncable {
      */\r
     public boolean changeOwnerShip() {\r
         boolean rv = true;\r
-        PreparedStatement ps = null;\r
-        try {\r
-\r
-            DB db = new DB();\r
-            @SuppressWarnings("resource")\r
-            Connection conn = db.getConnection();\r
-            String sql = "update FEEDS set PUBLISHER = ? where FEEDID = ?";\r
-            ps = conn.prepareStatement(sql);\r
+        try (Connection conn = ProvDbUtils.getInstance().getConnection();\r
+            PreparedStatement ps = conn.prepareStatement(\r
+                "update FEEDS set PUBLISHER = ? where FEEDID = ?")) {\r
             ps.setString(1, this.publisher);\r
             ps.setInt(2, feedid);\r
             ps.execute();\r
-            ps.close();\r
         } catch (SQLException e) {\r
             rv = false;\r
             intlogger.warn("PROV0008 changeOwnerShip: " + e.getMessage(), e);\r
-        } finally {\r
-            try {\r
-                if (ps != null) {\r
-                    ps.close();\r
-                }\r
-            } catch (SQLException e) {\r
-                intlogger.error(SQLEXCEPTION + e.getMessage(), e);\r
-            }\r
         }\r
         return rv;\r
     }\r