Implement OSGi properties for openflow protocol

Change-Id: I1abee2716909c8d102fcfd53f10515d7e0439a9f
diff --git a/protocols/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OsgiPropertyConstants.java b/protocols/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OsgiPropertyConstants.java
new file mode 100644
index 0000000..8562686
--- /dev/null
+++ b/protocols/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OsgiPropertyConstants.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2018-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.
+ */
+
+/**
+ * Name/Value constants for properties.
+ */
+package org.onosproject.openflow.controller.impl;
+
+public final class OsgiPropertyConstants {
+
+    private OsgiPropertyConstants() {
+    }
+
+    //@Property(name = "openflowPorts", value = DEFAULT_OFPORT,
+    //        label = "Port numbers (comma separated) used by OpenFlow protocol; default is 6633,6653")
+    public static final String OFPORTS = "openflowPorts";
+    public static final String OFPORTS_DEFAULT = "6633,6653";
+
+    //@Property(name = "workerThreads", intValue = DEFAULT_WORKER_THREADS,
+    //        label = "Number of controller worker threads")
+    public static final String WORKER_THREADS = "workerThreads:Integer";
+    public static final int WORKER_THREADS_DEFAULT = 0;
+
+    //@Property(name = "tlsMode", value = "",
+    //          label = "TLS mode for OpenFlow channel; options are: disabled [default], enabled, strict")
+    public static final String TLS_MODE = "tlsMode";
+    public static final String TLS_MODE_DEFAULT = "";
+
+    //@Property(name = "keyStore", value = "",
+    //        label = "File path to key store for TLS connections")
+    public static final String KEY_STORE = "keyStore";
+    public static final String KEY_STORE_DEFAULT = "";
+
+    //@Property(name = "keyStorePassword", value = "",
+    //        label = "Key store password")
+    public static final String KEY_STORE_PASSWORD = "keyStorePassword";
+    public static final String KEY_STORE_PASSWORD_DEFAULT = "";
+
+    //@Property(name = "trustStore", value = "",
+    //        label = "File path to trust store for TLS connections")
+    public static final String TRUST_STORE = "trustStore";
+    public static final String TRUST_STORE_DEFAULT = "";
+
+    //@Property(name = "trustStorePassword", value = "",
+    //        label = "Trust store password")
+    public static final String TRUST_STORE_PASSWORD = "trustStorePassword";
+    public static final String TRUST_STORE_PASSWORD_DEFAULT = "";
+
+}