#!/bin/sh
#
#    Licensed to the Apache Software Foundation (ASF) under one or more
#    contributor license agreements.  See the NOTICE file distributed with
#    this work for additional information regarding copyright ownership.
#    The ASF licenses this file to You under the Apache License, Version 2.0
#    (the "License"); you may not use this file except in compliance with
#    the License.  You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS,
#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#    See the License for the specific language governing permissions and
#    limitations under the License.
#


checkJvmVersion() {
    # Use in priority xpg4 awk or nawk on SunOS as standard awk is outdated
    AWK=awk
    if ${solaris}; then
        if [ -x /usr/xpg4/bin/awk ]; then
            AWK=/usr/xpg4/bin/awk
        elif [ -x /usr/bin/nawk ]; then
            AWK=/usr/bin/nawk
        fi
    fi

    VERSION=$("${JAVA_HOME}/bin/java" -version 2>&1 | ${AWK} -F '"' '/version/ {print $2}' | sed -e 's/_.*//g; s/^1\.//g; s/\..*//g; s/-.*//g;')

    # java must be at least version 8
    if [ "${VERSION}" -lt "8" ]; then
        die "JVM must be greater than 1.8"
    fi
}

