3 files changed, 45 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/kamon/util/Clock.scala b/kamon-core/src/main/scala/kamon/util/Clock.scala
index b0b47a2b..9f5f3c6c 100644
--- a/kamon-core/src/main/scala/kamon/util/Clock.scala
+++ b/kamon-core/src/main/scala/kamon/util/Clock.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.util
 
 object Clock {
diff --git a/kamon-core/src/main/scala/kamon/util/HexCodec.scala b/kamon-core/src/main/scala/kamon/util/HexCodec.scala
index 6e9dd2df..d5a9593f 100644
--- a/kamon-core/src/main/scala/kamon/util/HexCodec.scala
+++ b/kamon-core/src/main/scala/kamon/util/HexCodec.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.util
 
 // Extracted from https://github.com/openzipkin/brave/blob/master/brave/src/main/java/brave/internal/HexCodec.java
diff --git a/kamon-core/src/main/scala/kamon/util/MeasurementUnit.scala b/kamon-core/src/main/scala/kamon/util/MeasurementUnit.scala
index 170c2913..f5764ad1 100644
--- a/kamon-core/src/main/scala/kamon/util/MeasurementUnit.scala
+++ b/kamon-core/src/main/scala/kamon/util/MeasurementUnit.scala
@@ -1,3 +1,18 @@
+/* =========================================================================================
+ * Copyright © 2013-2017 the kamon project <http://kamon.io/>
+ *
+ * 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 kamon.util
 
 import kamon.util.MeasurementUnit.{Dimension, Magnitude}