.travis.yml

# Licensed to the Apache Software Foundation (ASF) under one or more
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# 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
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# distributed under the License is distributed on an "AS IS" BASIS,
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language: java

cache:
  directories:
    - $HOME/.m2

# https://docs.travis-ci.com/user/reference/linux/
# Must use a fixed distribution (and remember to occassionally upgrade..)
# Try to force to use the latest Java 11 instead of 11.0.2 to fix 
# https://bugs.openjdk.java.net/browse/JDK-8212233
# dist: bionic

jdk:
  - openjdk8
  - openjdk11
  - openjdk14
  - openjdk-ea

matrix:
# Remove the outdated OpenJDK 11.0.2 which Travis image grabbed from java.net in
# https://github.com/travis-ci/travis-cookbooks/blob/master/cookbooks/travis_jdk/files/install-jdk.sh#L200
# (which has 11.0.2 hard-coded!), and instead replace it with the latest openjdk-11-jdk-headless Ubuntu package.
# NB /usr/local/lib/jvm/openjdk11/bin is also on the PATH, but there's no need to change it (because we rm -rf anyway)
#  include:
#    - stage: Install
#      name: "Updating Java 11..."
#      jdk: openjdk11
#      before_install:
#        - echo $JAVA_HOME
#        - which java
#        - sudo rm -rf /usr/local/lib/jvm/
#        - sudo apt-get install -y openjdk-11-jdk-headless
#        - export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64/
#        - which java
#        - java -version
#        - $JAVA_HOME/bin/java -version

script:
  - mvn -V --no-transfer-progress
 
after_success:
  - mvn -V --no-transfer-progress clean test jacoco:report coveralls:report -Ptravis-jacoco javadoc:javadoc -Ddoclint=all