setjdk.sh

#!/bin/bash

function setjdk {
    local ver=${1?Usage: setjdk <version>}

    export JAVA_HOME=$(/usr/libexec/java_home -v $ver)
    PATH=$(echo $PATH | tr ':' '\n' | grep -v Java | tr '\n' ':')
    export PATH=$JAVA_HOME/bin:$PATH

    java -version
    echo "JAVA_HOME $JAVA_HOME";
}

function setjdk-quiet {
    local ver=${1?Usage: setjdk <version>}

    export JAVA_HOME=$(/usr/libexec/java_home -v $ver)
    PATH=$(echo $PATH | tr ':' '\n' | grep -v Java | tr '\n' ':')
    export PATH=$JAVA_HOME/bin:$PATH
}

function _setjdk_completion (){
    COMPREPLY=()

    COMPREPLY=()

    local cur=${COMP_WORDS[COMP_CWORD]//\\\\/}
    local options=$(/usr/libexec/java_home -x | plutil -convert json -r -o - - | grep JVMVersion | sed 's/[^:]*[^"]*"\([^"]*\).*/\1/')

    COMPREPLY=($(compgen -W "${options}" ${cur}))
}

complete -F _setjdk_completion -o filenames setjdk
complete -F _setjdk_completion -o filenames defaultjdk