diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8cb536c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+target
+.classpath
+.project
+.settings
+*.swp
diff --git a/src/main/java/org/opencord/igmpproxy/GroupMember.java b/src/main/java/org/opencord/igmpproxy/GroupMember.java
index 4fab7d4..3f78649 100644
--- a/src/main/java/org/opencord/igmpproxy/GroupMember.java
+++ b/src/main/java/org/opencord/igmpproxy/GroupMember.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.igmpproxy;
 
 import org.onlab.packet.IGMPMembership;
diff --git a/src/main/java/org/opencord/igmpproxy/IgmpManager.java b/src/main/java/org/opencord/igmpproxy/IgmpManager.java
index 4194b92..6f9a913 100644
--- a/src/main/java/org/opencord/igmpproxy/IgmpManager.java
+++ b/src/main/java/org/opencord/igmpproxy/IgmpManager.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.igmpproxy;
 
 import com.google.common.collect.Maps;
diff --git a/src/main/java/org/opencord/igmpproxy/IgmpSender.java b/src/main/java/org/opencord/igmpproxy/IgmpSender.java
index 21db478..af0d1b6 100644
--- a/src/main/java/org/opencord/igmpproxy/IgmpSender.java
+++ b/src/main/java/org/opencord/igmpproxy/IgmpSender.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.igmpproxy;
 
 import org.onlab.packet.Ethernet;
diff --git a/src/main/java/org/opencord/igmpproxy/IgmpTimer.java b/src/main/java/org/opencord/igmpproxy/IgmpTimer.java
index 0124b42..0eea5ed 100644
--- a/src/main/java/org/opencord/igmpproxy/IgmpTimer.java
+++ b/src/main/java/org/opencord/igmpproxy/IgmpTimer.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.igmpproxy;
 
 import com.google.common.collect.Maps;
diff --git a/src/main/java/org/opencord/igmpproxy/IgmpproxyConfig.java b/src/main/java/org/opencord/igmpproxy/IgmpproxyConfig.java
index 0756218..b2e60ef 100644
--- a/src/main/java/org/opencord/igmpproxy/IgmpproxyConfig.java
+++ b/src/main/java/org/opencord/igmpproxy/IgmpproxyConfig.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.igmpproxy;
 
 import org.onosproject.core.ApplicationId;
diff --git a/src/main/java/org/opencord/igmpproxy/IgmpproxySsmTranslateConfig.java b/src/main/java/org/opencord/igmpproxy/IgmpproxySsmTranslateConfig.java
index b8f42a5..daec9b8 100644
--- a/src/main/java/org/opencord/igmpproxy/IgmpproxySsmTranslateConfig.java
+++ b/src/main/java/org/opencord/igmpproxy/IgmpproxySsmTranslateConfig.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-present Open Networking Laboratory
+ * Copyright 2017-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.opencord.igmpproxy;
 
 import com.fasterxml.jackson.databind.JsonNode;
diff --git a/src/main/java/org/opencord/igmpproxy/SingleStateMachine.java b/src/main/java/org/opencord/igmpproxy/SingleStateMachine.java
index ceaac52..c974fcb 100644
--- a/src/main/java/org/opencord/igmpproxy/SingleStateMachine.java
+++ b/src/main/java/org/opencord/igmpproxy/SingleStateMachine.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.igmpproxy;
 
 import org.onlab.packet.Ethernet;
@@ -7,7 +22,7 @@
 import java.util.Random;
 
 /**
- * State machine for single IGMP group member. The state machine is implemented on 
+ * State machine for single IGMP group member. The state machine is implemented on
  * RFC 2236 "6. Host State Diagram".
  */
 public class SingleStateMachine {
diff --git a/src/main/java/org/opencord/igmpproxy/StateMachine.java b/src/main/java/org/opencord/igmpproxy/StateMachine.java
index 6c12877..0763278 100644
--- a/src/main/java/org/opencord/igmpproxy/StateMachine.java
+++ b/src/main/java/org/opencord/igmpproxy/StateMachine.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.igmpproxy;
 
 import com.google.common.collect.Maps;
@@ -7,7 +22,7 @@
 import java.util.Set;
 
 /**
- * State machine for whole IGMP process. The state machine is implemented on 
+ * State machine for whole IGMP process. The state machine is implemented on
  * RFC 2236 "6. Host State Diagram".
  */
 public final class StateMachine {
diff --git a/src/main/java/org/opencord/igmpproxy/package-info.java b/src/main/java/org/opencord/igmpproxy/package-info.java
index ad33c32..789356d 100644
--- a/src/main/java/org/opencord/igmpproxy/package-info.java
+++ b/src/main/java/org/opencord/igmpproxy/package-info.java
@@ -1,4 +1,20 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.
+ */
+
 /**
  * Created by onos on 17-3-9.
  */
-package org.opencord.igmpproxy;
\ No newline at end of file
+package org.opencord.igmpproxy;