TechEmpower.FrameworkBenchmarks/toolset/setup/linux/languages/java8.sh

#!/bin/bash

RETCODE=$(fw_exists java8.installed)
[ ! "$RETCODE" == 0 ] || { \
  # Load environment variables
  . $IROOT/java8.installed
  return 0; }

sudo add-apt-repository -y ppa:webupd8team/java
sudo apt-get update
echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | sudo /usr/bin/debconf-set-selections
sudo apt-get install -y oracle-java8-installer

# set Java 7 (OpenJDK) as the default, as before.
J7_HOME=/usr/lib/jvm/java-7-openjdk-`dpkg --print-architecture`
sudo update-alternatives --set java $J7_HOME/jre/bin/java
sudo update-alternatives --set javac $J7_HOME/bin/javac

# try to make sure all JDK binaries default to OpenJDK 7, not Java 8
update-alternatives --get-selections | grep java-8 | sed -e "s/java-8-oracle/$J7_HOME/" | while read line
do
  l=(${line// / })
  n=${l[0]}
  p=${l[2]}
  if [ -e "$p" ]; then
    sudo update-alternatives --set $n "$p"
  fi
done

# Setup environment variables
echo "export JAVA_HOME=/usr/lib/jvm/java-8-oracle" > $IROOT/java8.installed
echo "export PATH=$JAVA_HOME/bin:$PATH" >> $IROOT/java8.installed