switchjava

switchjava

#!/bin/zsh
function switchJava() {
        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

        echo "Using JAVA_HOME: ${JAVA_HOME}"
        echo `java -version`
}

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

switchJava 1.$1