Switch JDK version bash command for Mac OSX

set-jdk

#!/bin/bash

####################################
# Exports jdk environment exports 
# call:
#  set-jdk <jdk-version> e.g. set-jdk 1.8
# or to set default:
#  set-jdk
####################################


function setjdk() {  
  if [ $# -ne 0 ]; then  
   removeFromPath '/System/Library/Frameworks/JavaVM.framework/Home/bin'  
   if [ -n "${JAVA_HOME+x}" ]; then  
    removeFromPath $JAVA_HOME  
   fi  
   export JAVA_HOME=`/usr/libexec/java_home -v $@`  
   export PATH=$JAVA_HOME/bin:$PATH  
  fi  
}  

function removeFromPath() {  
  export PATH=$(echo $PATH | sed -E -e "s;:$1;;" -e "s;$1:?;;")  
}

if [ "$1" == "1.8" ]; then
	echo -e "Set JDK Version to 1.8"
	# sets export JAVA_8_HOME=$(/usr/libexec/java_home -v1.8)
	setjdk 1.8
else
	#sets export JAVA_7_HOME=$(/usr/libexec/java_home -v1.7)
	echo -e "Set JDK Version to 1.7"
	setjdk 1.7
fi

echo -e "Execute: set-jdk <jdk-version> e.g. set-jdk 1.8 to change version"

Place the script somewhere in your path and run chmod a+x set-jdk to make it executable.