evn.sh

env.sh

#!/bin/bash
ENV_DIR=~/.environments
ENV_HOME=$ENV_DIR

#Process JAVA with JDK
DEFAULT_JDK_VERSION=7
DEFAULT_JDK_HOME=$ENV_DIR/jdk

function setup_jdk() {
  #Process old version of jdk
  OLD_JAVA_HOME=$JAVA_HOME
  OLD_PATH=$PATH

  #Process JDK version from input
  JDK_VERSION=$1
  if [ "$JDK_VERSION" == "" ] ; then
    JDK_VERSION=$DEFAULT_JDK_VERSION
  fi
  echo "Switch to jdk version $JDK_VERSION"

  # Process JAVA_HOME directory
  JAVA_HOME="$ENV_DIR/jdk$JDK_VERSION"
  if [ ! -d "$JAVA_HOME" ] ; then
    echo "JAVA_HOME directory is not exist: $JAVA_HOME"
    echo "Use default JAVA_HOME directory: $DEFAULT_JDK_HOME"
    JAVA_HOME=$DEFAULT_JDK_HOME
  fi

  if [ ! -d "$JAVA_HOME"  ] ; then
    echo "JAVA_HOME directory is not exist: $JAVA_HOME"
    exit 0;
  fi

  if [ "$OLD_JAVA_HOME" != "" ] ; then
    NEW_PATH="${PATH//$OLD_JAVA_HOME\/bin:/}"
    export PATH=$NEW_PATH
  fi

  export JAVA_HOME
  export PATH=$JAVA_HOME/bin:$PATH

  echo "JAVA_HOME: $JAVA_HOME"
}


#call setup jdk
setup_jdk

alias jdk6='setup_jdk 6'
alias jdk7='setup_jdk 7'
alias jdk8='setup_jdk 8'
alias jdk9='setup_jdk 9'
alias jdk='setup_jdk'

#Process other environment param
ANDROID_HOME=$ENV_DIR/android-sdk
MAVEN_HOME=$ENV_DIR/maven
PLAY_FRAMEWORK_HOME=$ENV_DIR/playframework

export ENV_HOME ANDROID_HOME MAVEN_HOME PLAY_FRAMEWORK_HOME
#export PATH should be in the last
export PATH=$ENV_HOME/bin:$JAVA_HOME/bin:$MAVEN_HOME/bin:$PLAY_FRAMEWORK_HOME:$PATH