#!/bin/bash
# Author:  yeho <lj2007331 AT gmail.com>
# BLOG:  https://blog.linuxeye.cn
#
# Notes: OneinStack for CentOS/RadHat 6+ Debian 6+ and Ubuntu 12+
#
# Project home page:
#       https://oneinstack.com
#       https://github.com/lj2007331/oneinstack

Install-JDK16() {
  pushd ${oneinstack_dir}/src > /dev/null
  JDK_FILE="jdk-`echo ${jdk16_ver} | awk -F. '{print $2}'`u`echo ${jdk16_ver} | awk -F_ '{print $NF}'`-linux-${SYS_BIT_j}.bin"
  JAVA_dir=/usr/java
  JDK_NAME="jdk${jdk16_ver}"
  JDK_PATH=$JAVA_dir/$JDK_NAME

  [ "$OS" == 'CentOS' ] && [ -n "`rpm -qa | grep jdk`" ] && rpm -e `rpm -qa | grep jdk`

  chmod +x $JDK_FILE
  ./$JDK_FILE

  if [ -d "$JDK_NAME" ]; then
    rm -rf $JAVA_dir; mkdir -p $JAVA_dir
    mv $JDK_NAME $JAVA_dir
    [ -z "`grep ^'export JAVA_HOME=' /etc/profile`" ] && { [ -z "`grep ^'export PATH=' /etc/profile`" ] && echo  "export JAVA_HOME=$JDK_PATH" >> /etc/profile || sed -i "s@^export PATH=@export JAVA_HOME=$JDK_PATH\nexport PATH=@" /etc/profile; } || sed -i "s@^export JAVA_HOME=.*@export JAVA_HOME=$JDK_PATH@" /etc/profile
    [ -z "`grep ^'export CLASSPATH=' /etc/profile`" ] && sed -i "s@export JAVA_HOME=\(.*\)@export JAVA_HOME=\1\nexport CLASSPATH=\$JAVA_HOME/lib/tools.jar:\$JAVA_HOME/lib/dt.jar:\$JAVA_HOME/lib@" /etc/profile
    [ -n "`grep ^'export PATH=' /etc/profile`" -a -z "`grep '$JAVA_HOME/bin' /etc/profile`" ] && sed -i "s@^export PATH=\(.*\)@export PATH=\$JAVA_HOME/bin:\1@" /etc/profile
    [ -z "`grep ^'export PATH=' /etc/profile | grep '$JAVA_HOME/bin'`" ] && echo 'export PATH=$JAVA_HOME/bin:$PATH' >> /etc/profile
    . /etc/profile
    echo "${CSUCCESS}$JDK_NAME installed successfully! ${CEND}"
  else
    rm -rf $JAVA_dir
    echo "${CFAILURE}JDK install failed, Please contact the author! ${CEND}"
    kill -9 $$
  fi
popd
}