AbstractResolverDateReader sonar fixes

Change-Id: I78c4cf8318e1051cd3ea5850b502677ea8708794
Issue-ID: APPC-638
Signed-off-by: Jakub Dudycz <jakub.dudycz@nokia.com>

2 files changed, 52 insertions, 21 deletions

diff --git a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/impl/AbstractResolverDataReader.java b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/impl/AbstractResolverDataReader.java
index c5fe87c77..19e2a5c37 100644
--- a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/impl/AbstractResolverDataReader.java
+++ b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/impl/AbstractResolverDataReader.java
@@ -49,7 +49,7 @@ abstract class AbstractResolverDataReader {
                 try {
                     return resultSet.next();
                 } catch (SQLException e) {
-                    throw new RuntimeException(e);
+                    throw new DataReaderException(e);
                 }
             }
 
@@ -68,7 +68,7 @@ abstract class AbstractResolverDataReader {
                 try {
                     return resultSet.getObject(name);
                 } catch (SQLException e) {
-                    throw new RuntimeException(e);
+                    throw new DataReaderException(e);
                 }
             }
 
@@ -77,7 +77,7 @@ abstract class AbstractResolverDataReader {
                 try {
                     return new FlowKey(resultSet.getString("dg_name"), resultSet.getString("dg_version"), resultSet.getString("dg_module"));
                 } catch (SQLException e) {
-                    throw new RuntimeException(e);
+                    throw new DataReaderException(e);
                 }
             }
         }
@@ -88,13 +88,8 @@ abstract class AbstractResolverDataReader {
 
         @Override
         public Iterable<ConfigurationEntry<FlowKey>> getEntries() {
-            return new Iterable<ConfigurationEntry<FlowKey>>() {
 
-                @Override
-                public Iterator<ConfigurationEntry<FlowKey>> iterator() {
-                    return new ResultSetIterator();
-                }
-            };
+            return ResultSetIterator::new;
         }
 
         @Override
@@ -111,20 +106,24 @@ abstract class AbstractResolverDataReader {
     RankedAttributesResolver<FlowKey> read() {
         try {
             try (Connection conn = DBUtils.getConnection("sdnctl")) {
-                try (PreparedStatement stmt = conn.prepareStatement(getQueryStmt())) {
-                    try (ResultSet res = stmt.executeQuery()) {
-                        if (res.next()) {
-                            res.beforeFirst();
-                            ConfigurationSet<FlowKey> resolverConfig = new ConfigurationSetAdaptor(res);
-                            return AbstractRankedAttributesResolverFactory.getInstance().create(resolverConfig);
-                        } else {
-                            throw new IllegalStateException();
-                        }
-                    }
-                }
+                return getFlowKeyRankedAttributesResolver(conn);
             }
         } catch (SQLException e) {
-            throw new RuntimeException(e);
+            throw new DataReaderException(e);
+        }
+    }
+
+    private RankedAttributesResolver<FlowKey> getFlowKeyRankedAttributesResolver(Connection conn) throws SQLException {
+        try (PreparedStatement stmt = conn.prepareStatement(getQueryStmt())) {
+            try (ResultSet res = stmt.executeQuery()) {
+                if (res.next()) {
+                    res.beforeFirst();
+                    ConfigurationSet<FlowKey> resolverConfig = new ConfigurationSetAdaptor(res);
+                    return AbstractRankedAttributesResolverFactory.getInstance().create(resolverConfig);
+                } else {
+                    throw new IllegalStateException();
+                }
+            }
         }
     }
 }
diff --git a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/impl/DataReaderException.java b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/impl/DataReaderException.java
new file mode 100644
index 000000000..8c97092b3
--- /dev/null
+++ b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/impl/DataReaderException.java
@@ -0,0 +1,32 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.dg.common.impl;
+
+public class DataReaderException extends RuntimeException{
+
+    public DataReaderException(Throwable cause) {
+        super(cause);
+    }
+}