enable GitHub Actions

https://arstechnica.com/information-technology/2021/09/travis-ci-flaw-exposed-secrets-for-thousands-of-open-source-projects/

.github/workflows/ci.yml

@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        java: [ '7', '8',  '11' ]
+    runs-on: 'ubuntu-latest'
+    env:
+      MVN_CMD: ./mvnw --no-transfer-progress -B
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK
+      uses: actions/setup-java@v2
+      with:
+        java-version: ${{ matrix.java }}
+        distribution: 'zulu'
+        cache: 'maven'
+    - name: Build
+      run: ${{env.MVN_CMD}} clean install
+    - name: Code coverage
+      if:  ${{matrix.java}} != '7'
+      run: ${{env.MVN_CMD}} clean clover:setup test && ${{env.MVN_CMD}} -pl . clover:clover clover:check coveralls:report;

.travis.yml

@@ -1,48 +0,0 @@
-# https://travis-ci.org/jwtk/jjwt
-
-#sudo: required
-dist: trusty
-language: java
-jdk:
-  - openjdk7 # not really openjdk7 - we're just using this travis placeholder for our own Oracle JDK 7 installation
-  - oraclejdk8
-  - oraclejdk9
-  - openjdk10
-  - openjdk11
-  - openjdk14
-
-cache:
-  directories:
-    - $HOME/.m2
-
-before_install:
-  - echo "TRAVIS_JDK_VERSION is ${TRAVIS_JDK_VERSION}"
-  - export MVN_CMD="./mvnw --no-transfer-progress" # hide verbose download messages (log spam)
-  - |
-    if [[ "${TRAVIS_JDK_VERSION}" == "openjdk7" ]]; then
-      
-      export MAVEN_OPTS="-Dhttps.protocols=TLSv1.2 -Xmx512m -XX:MaxPermSize=128m"
-      export JAVA_HOME="/usr/lib/jvm/java-7-oracle" # Set JAVA_HOME to where we want to install Oracle JDK 7
-      export PATH="${JAVA_HOME}/bin:${PATH}"
-      
-      if [[ ! -d "${JAVA_HOME}" ]]; then
-        # Download and install Oracle JDK 7:
-        wget https://238dj3282as03k369.s3-us-west-1.amazonaws.com/jdk-7u80-linux-x64.tar.gz -O /tmp/jdk-7u80-linux-x64.tar.gz
-        tar xvfz /tmp/jdk-7u80-linux-x64.tar.gz -C /tmp
-        sudo mv /tmp/jdk1.7.0_80 "${JAVA_HOME}"
-      fi
-      
-      # Download and install JCE Unlimited Strength Crypto policies for Oracle JDK 7:
-      curl -q -L -C - https://238dj3282as03k369.s3-us-west-1.amazonaws.com/UnlimitedJCEPolicyJDK7.zip -o /tmp/UnlimitedJCEPolicyJDK7.zip
-      sudo unzip -oj -d "$JAVA_HOME/jre/lib/security" /tmp/UnlimitedJCEPolicyJDK7.zip \*/\*.jar
-      rm /tmp/UnlimitedJCEPolicyJDK7.zip
-    fi
-  # If on JDK 8, ensure build coverage assertions are run (we only need to run this on one JDK to reduce overall build times):
-  - export BUILD_COVERAGE="$([ $TRAVIS_JDK_VERSION == 'oraclejdk8' ] && echo 'true')"
-
-# prints the Maven, Java, and OS info/version
-install: $MVN_CMD --version
-
-script:
-  - $MVN_CMD install
-  - test -z "$BUILD_COVERAGE" || { $MVN_CMD clean clover:setup test && $MVN_CMD -pl . clover:clover clover:check coveralls:report; }