[VOL-4246] Feature parity with the previous implementation
Change-Id: I3741edb3c1b88b1cf8b5e6d4ff0900132e2e5e6a
diff --git a/impl/src/main/java/org/opencord/olt/impl/OltUtils.java b/impl/src/main/java/org/opencord/olt/impl/OltUtils.java
new file mode 100644
index 0000000..6300ff9
--- /dev/null
+++ b/impl/src/main/java/org/opencord/olt/impl/OltUtils.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2021-present Open Networking Foundation
+ *
+ * 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.
+ */
+
+package org.opencord.olt.impl;
+
+import org.onosproject.net.AnnotationKeys;
+import org.onosproject.net.Port;
+
+import static org.opencord.olt.impl.OltFlowService.FlowOperation.ADD;
+
+/**
+ * Utility class for OLT app.
+ */
+final class OltUtils {
+
+ private OltUtils() {
+ }
+
+ /**
+ * Returns the port name if present in the annotations.
+ * @param port the port
+ * @return the annotated port name
+ */
+ static String getPortName(Port port) {
+ String name = port.annotations().value(AnnotationKeys.PORT_NAME);
+ return name == null ? "" : name;
+ }
+
+ /**
+ * Returns a port printed as a connect point and with the name appended.
+ * @param port the port
+ * @return the formatted string
+ */
+ static String portWithName(Port port) {
+ return port.element().id().toString() + '/' +
+ port.number() + '[' +
+ getPortName(port) + ']';
+ }
+
+ static String flowOpToString(OltFlowService.FlowOperation op) {
+ return op == ADD ? "Adding" : "Removing";
+ }
+
+ static String completeFlowOpToString(OltFlowService.FlowOperation op) {
+ return op == ADD ? "Added" : "Removed";
+ }
+}