#!/bin/bash

YUM="yum --assumeyes"

JAVA_HOME="/usr/java/latest"

JAVA_VERSION=8u131

BUILD_VERSION=b11

BUILD_ID=d54c1d3a095b4ff2b6607d096fa80163

JAVA_RPM=jdk-$JAVA_VERSION-linux-x64.rpm

# INSTALL JAVA

wget --no-cookies --no-check-certificate \

--header "Cookie: oraclelicense=accept-securebackup-cookie" \

"http://download.oracle.com/otn-pub/java/jdk/$JAVA_VERSION-$BUILD_VERSION/$BUILD_ID/$JAVA_RPM"

set +o errexit

yum localinstall $JAVA_RPM

rm -rf $JAVA_RPM

yum clean all

set -o errexit

alternatives --install /usr/bin/java jar /usr/java/latest/bin/java 200000

alternatives --install /usr/bin/javaws javaws /usr/java/latest/bin/javaws 200000

alternatives --install /usr/bin/javac javac /usr/java/latest/bin/javac 200000

alternatives --install /usr/bin/jps jps /usr/java/latest/bin/jps 200000

# It's NOT a good idea to change /etc/profile unless you know what you

# are doing. It's much better to create a custom.sh shell script in

# /etc/profile.d/ to make custom changes to the environment, as this

# will prevent the need for merging in future updates.

echo "export JAVA_HOME=$JAVA_HOME" >>/etc/profile.d/java.sh

echo 'export PATH=$JAVA_HOME/bin:$PATH' >>/etc/profile.d/java.sh

# on the other hand /etc/profile.d/eb_envvars.sh uses /usr/java/latest as

# JAVA_HOME if directory is present

# IN CASE OF NETWORK CHANGES, DO NOT CACHE THE IP FOREVER.

grep '^networkaddress.cache.ttl=' ${JAVA_HOME}/jre/lib/security/java.security || echo 'networkaddress.cache.ttl=60' >>${JAVA_HOME}/jre/lib/security/java.security

source /etc/profile

java -version