diff --git a/etc/checkstyle/checkstyle.xml b/etc/checkstyle/checkstyle.xml
new file mode 100644
index 0000000..d7b3920
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+++ b/etc/checkstyle/checkstyle.xml
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diff --git a/etc/checkstyle/header.txt b/etc/checkstyle/header.txt
new file mode 100644
index 0000000..5e5d28b
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+++ b/etc/checkstyle/header.txt
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+^\Q/*\E$
+^\Q * Copyright\E (\d{4}(\-\d{4})? the original author or authors\.|(\d{4}, )*(\d{4}) Acegi Technology Pty Limited)$
+^\Q *\E$
+^\Q * Licensed under the Apache License, Version 2.0 (the "License");\E$
+^\Q * you may not use this file except in compliance with the License.\E$
+^\Q * You may obtain a copy of the License at\E$
+^\Q *\E$
+^\Q * https://www.apache.org/licenses/LICENSE-2.0\E$
+^\Q *\E$
+^\Q * Unless required by applicable law or agreed to in writing, software\E$
+^\Q * distributed under the License is distributed on an "AS IS" BASIS,\E$
+^\Q * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\E$
+^\Q * See the License for the specific language governing permissions and\E$
+^\Q * limitations under the License.\E$
+^\Q */\E$
+^.*$
diff --git a/etc/checkstyle/suppressions.xml b/etc/checkstyle/suppressions.xml
new file mode 100644
index 0000000..297f062
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+++ b/etc/checkstyle/suppressions.xml
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