[Java] Add checkstyle rule for copyright header.

aeron-archive/src/main/java/io/aeron/archive/SimpleFragmentHandler.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-archive/src/main/java/io/aeron/archive/client/AeronArchive.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-archive/src/main/java/io/aeron/archive/client/ControlEventListener.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-archive/src/main/java/io/aeron/archive/client/RecordingDescriptorConsumer.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-archive/src/main/java/io/aeron/archive/client/RecordingSignalAdapter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-archive/src/main/java/io/aeron/archive/client/ReplayMerge.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-archive/src/test/java/io/aeron/archive/ListRecordingsForUriSessionTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2014-2021 Real Logic Limited.
+ *
+ * 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
+ *
+ * https://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 io.aeron.archive;
 
 import io.aeron.archive.codecs.RecordingDescriptorDecoder;

aeron-archive/src/test/java/io/aeron/archive/ListRecordingsSessionTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2014-2021 Real Logic Limited.
+ *
+ * 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
+ *
+ * https://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 io.aeron.archive;
 
 import io.aeron.archive.codecs.RecordingDescriptorDecoder;

aeron-archive/src/test/java/io/aeron/archive/client/AeronArchiveTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 Real Logic Ltd.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-client/src/main/java/io/aeron/ChannelUriStringBuilder.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-client/src/main/java/io/aeron/DirectBufferVector.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-client/src/main/java/io/aeron/ReservedValueSupplier.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-client/src/main/java/io/aeron/exceptions/ClientTimeoutException.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-client/src/main/java/io/aeron/exceptions/ConcurrentConcludeException.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-client/src/main/java/io/aeron/exceptions/TimeoutException.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-client/src/main/java/io/aeron/status/LocalSocketAddressStatus.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-client/src/test/java/io/aeron/ChannelUriStringBuilderTest.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-client/src/test/java/io/aeron/VerifyBuildTimePropertiesTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2014-2021 Real Logic Limited.
+ *
+ * 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
+ *
+ * https://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 io.aeron;
 
 import org.junit.jupiter.api.Test;
@@ -15,14 +30,17 @@ public class VerifyBuildTimePropertiesTest
     void checkVersion()
     {
         String version = System.getenv(BUILD_JAVA_VERSION_ENV_VAR);
+
         if (version.indexOf('.') > 0)
         {
             version = version.substring(0, version.indexOf('.'));
         }
+
         if (version.indexOf('-') > 0)
         {
             version = version.substring(0, version.indexOf('-'));
         }
+
         final String currentVersion = JRE.currentVersion().name();
         assertEquals(version, currentVersion.substring(currentVersion.indexOf('_') + 1));
     }

aeron-client/src/test/java/io/aeron/logbuffer/TermScannerTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2014-2021 Real Logic Limited.
+ *
+ * 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
+ *
+ * https://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 io.aeron.logbuffer;
 
 import org.junit.jupiter.api.BeforeEach;

aeron-cluster/src/main/java/io/aeron/cluster/ClusterBackup.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/ClusterBackupAgent.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/ClusterControl.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/ConsensusPublisher.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/ElectionState.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2014-2021 Real Logic Limited.
+ *
+ * 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
+ *
+ * https://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 io.aeron.cluster;
 
 import io.aeron.cluster.client.ClusterException;

aeron-cluster/src/main/java/io/aeron/cluster/LogAdapter.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/client/ControlledEgressListener.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/client/EgressAdapter.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/client/EgressListener.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/client/EgressPoller.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/client/IngressSessionDecorator.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/service/ClusterNodeControlProperties.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/service/ClusteredService.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-cluster/src/main/java/io/aeron/cluster/service/UnmodifiableClientSessionCollection.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2014-2021 Real Logic Limited.
+ *
+ * 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
+ *
+ * https://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 io.aeron.cluster.service;
 
 import org.agrona.collections.Long2ObjectHashMap;

aeron-cluster/src/test/java/io/aeron/cluster/ConsensusModuleContextCloseTests.java

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2014-2021 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-driver/src/main/java/io/aeron/driver/media/package-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 204-2018 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-driver/src/main/java/io/aeron/driver/status/ReceiveLocalSocketAddress.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-driver/src/main/java/io/aeron/driver/status/SendLocalSocketAddress.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 Real Logic Limited.
+ * Copyright 2014-2021 Real Logic Limited.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

aeron-driver/src/test/java/io/aeron/driver/DefaultMulticastFlowControlSupplierTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2014-2021 Real Logic Limited.
+ *
+ * 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
+ *
+ * https://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 io.aeron.driver;
 
 import io.aeron.driver.media.UdpChannel;

aeron-driver/src/test/java/io/aeron/driver/MediaDriverContextTest.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2014-2021 Real Logic Limited.
+ *
+ * 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
+ *
+ * https://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 io.aeron.driver;
 
 import io.aeron.driver.MediaDriver.Context;
@@ -38,4 +53,4 @@ public void nakMulticastMaxBackoffNsExplicitValue()
         context.nakMulticastMaxBackoffNs(Long.MIN_VALUE);
         assertEquals(Long.MIN_VALUE, context.nakMulticastMaxBackoffNs());
     }
-}
+}