Migrate to Github Actions

Author: veithen

.github/workflows/ci.yml

@@ -0,0 +1,53 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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: Continuous Integration
+
+on:
+  push:
+    branches: [ '*' ]
+  pull_request:
+    branches: [ '*' ]
+
+env:
+  MAVEN_OPTS: -Dmaven.wagon.httpconnectionManager.ttlSeconds=25 -Dmaven.wagon.http.retryHandler.count=3
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        java: [ 8 ]
+    name: "Java ${{ matrix.java }}"
+    runs-on: ubuntu-22.04
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Cache Maven Repository
+      uses: actions/cache@v3
+      with:
+        path: ~/.m2/repository
+        key: maven-java-${{ matrix.java }}-${{ hashFiles('**/pom.xml') }}
+        restore-keys: |
+          maven-java-${{ matrix.java }}-
+          maven-
+    - name: Set up Java
+      uses: actions/setup-java@v3
+      with:
+        distribution: 'zulu'
+        java-version: ${{ matrix.java }}
+    - name: Build
+      run: mvn -B -e -Papache-release -Dgpg.skip=true install site
+    - name: Remove Snapshots
+      run: find ~/.m2/repository -name '*-SNAPSHOT' -a -type d -print0 | xargs -0 rm -rf