#!/bin/bash
# Installs the Sun JRE 1.7.4 on a Centos 6.x 64bit OS and does not include the browser plugin steps
# Please refer to http://programster.blogspot.co.uk/2013/06/centos-64-install-oracle-java-17-jdk.html
export DIRECTORY='technostu_install_java'
cd ~
mkdir $DIRECTORY
cd $DIRECTORY

# Download the JRE
wget http://www.technostu.com/public_files/oracle/java/jdk/64/jdk-7u40-linux-x64.rpm

# Install the rpm
rpm -Uvh jdk-7u40-linux-x64.rpm

# Update the aliases/alternatives
echo 'Updating alternatives....'
alternatives --install /usr/bin/java java /usr/java/latest/jre/bin/java 20000
alternatives --install /usr/bin/javaws javaws /usr/java/latest/jre/bin/javaws 20000
alternatives --install /usr/bin/javac javac /usr/java/latest/bin/javac 20000
alternatives --install /usr/bin/jar jar /usr/java/latest/bin/jar 20000

echo 'cleaning up....'
# Remove all the temporary stuff we downloaded
cd ~
rm -rf $DIRECTORY
echo 'done!'