#!/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.

#
# resolve symlinks
#

PRG=$0

while [ -h "$PRG" ]; do
    ls=`ls -ld "$PRG"`
    link=`expr "$ls" : '^.*-> \(.*\)$' 2>/dev/null`
    if expr "$link" : '^/' 2> /dev/null >/dev/null; then
	PRG="$link"
    else
	PRG="`dirname "$PRG"`/$link"
    fi
done

progdir=`dirname "$PRG"`
old=`pwd`
cd "$progdir"/..
basedir=`pwd`
cd "$old"

case "`uname`" in
    Darwin*)
        # set default userdir and cachedir on Mac OS X
        DEFAULT_USERDIR_ROOT="${HOME}/Library/Application Support/NetBeans"
        DEFAULT_CACHEDIR_ROOT=${HOME}/Library/Caches/NetBeans
        ;;
    *) 
        # set default userdir and cachedir on unix systems
        DEFAULT_USERDIR_ROOT=${HOME}/.netbeans
        DEFAULT_CACHEDIR_ROOT=${HOME}/.cache/netbeans
        ;;
esac


if [ -f "$basedir"/etc/netbeans.conf ] ; then
    . "$basedir"/etc/netbeans.conf
fi

# following should be done just in RPM or Solaris Launcher
# if [ -f /etc/netbeans.conf ] ; then
#     . /etc/netbeans.conf
# fi

export DEFAULT_USERDIR_ROOT

# #68373: look for userdir, but do not modify "$@"
userdir="${netbeans_default_userdir}"
cachedir="${netbeans_default_cachedir}"

founduserdir=""
for opt in "$@"; do
    if [ "${founduserdir}" = "yes" ]; then
        userdir="$opt"
        break
    elif [ "$opt" = "--userdir" ]; then
        founduserdir="yes"
    fi
done
foundcachedir=""
for opt in "$@"; do
    if [ "${foundcachedir}" = "yes" ]; then
        cachedir="$opt"
        break
    elif [ "$opt" = "--cachedir" ]; then
        foundcachedir="yes"
    fi
done

if [ -f "${userdir}"/etc/netbeans.conf ] ; then
    . "${userdir}"/etc/netbeans.conf
fi


if [ ! -f "$basedir"/etc/netbeans.clusters ]; then
    echo Cannot read cluster file: "$basedir"/etc/netbeans.clusters 1>&2
    exit 1
fi

readClusters() {
    grep -v "^#" "$basedir"/etc/netbeans.clusters | grep -v "^$" | grep -v platform | while read X; do
        if expr "$X" : "/.*" >/dev/null; then
            echo "$X"
        else
            echo "$basedir/$X"
        fi
    done
}

absolutize_paths() {
    while read path; do
        if [ -d "$path" ]; then
            (cd "$path" 2>/dev/null && pwd)
        else
            echo "$path"
        fi
    done
}

netbeans_clusters=`readClusters | absolutize_paths | tr '\012' ':'`

if [ ! -z "$netbeans_extraclusters" ] ; then
    netbeans_clusters="$netbeans_clusters:$netbeans_extraclusters"
fi

heap_size () {
    mem=640
    case "`uname`" in
        Linux*)
        mem=`cat /proc/meminfo | grep MemTotal | tr -d [:space:][:alpha:]:`
        mem=`expr $mem / 1024`
        ;;
    SunOS*)
        mem=`/usr/sbin/prtconf | grep Memory | /usr/bin/tr -dc '[0-9]'`
        ;;
    Darwin*)
        mem=`/usr/sbin/sysctl hw.memsize | tr -d [:alpha:][:space:].:`
        mem=`expr $mem / 1048576`
        ;;
    OpenBSD*)
        mem=`/sbin/sysctl -n hw.usermem`
        mem=`expr $mem / 1048576`
        ;;
        *)
        ;;
    esac
    if [ -z "$mem" ] ; then
        mem=640
    fi
    mem=`expr $mem / 5`
    if [ $mem -gt 1024 ] ; then
        mem=1024
    elif [ $mem -lt 96 ] ; then
        mem=96
    fi
    max_heap_size=$mem
    return 0
}


if grep -v -- "-J-Xmx" >/dev/null <<EOF ; then
${netbeans_default_options}
EOF
        heap_size
	netbeans_default_options="-J-Xmx${max_heap_size}m ${netbeans_default_options}"
fi

launchNbexec() {
    nbexec=`grep -v "^#" "$basedir"/etc/netbeans.clusters | grep -v "^$" | grep platform | while read X; do
        if expr "$X" : "/.*" >/dev/null; then
           echo $X/lib/nbexec
        elif [ -f "$basedir"/$X/lib/nbexec ]; then
            echo "$basedir"/$X/lib/nbexec
        fi
    done | head -n 1`
    sh=sh
    if [ "${founduserdir}" = "yes" ]; then
        exec $sh "$nbexec" "$@"
    else
        if [ "${foundcachedir}" = "yes" ]; then
            exec $sh "$nbexec" --userdir "${userdir}" "$@"
        else
            exec $sh "$nbexec" --userdir "${userdir}" --cachedir "${cachedir}" "$@"
        fi
    fi
}

# in case of macosx, the apple.laf.useScreenMenuBar property should be ideally in the Info.plist file
# but it doesn't get propagated into the executed java VM. 
case "`uname`" in
    Darwin*)
        eval launchNbexec \
            --jdkhome '"$netbeans_jdkhome"' \
            -J-Xdock:name=NetBeans \
            '"-J-Xdock:icon=$basedir/nb/netbeans.icns"' \
            --branding nb \
            --clusters '"$netbeans_clusters"' \
            -J-Dnetbeans.importclass=org.netbeans.upgrade.AutoUpgrade \
            ${netbeans_default_options} \
            '"$@"'
        ;;
    *)
        eval launchNbexec \
            --jdkhome '"$netbeans_jdkhome"' \
            --branding nb \
            --clusters '"$netbeans_clusters"' \
            -J-Dawt.useSystemAAFontSettings=lcd \
            -J-Dnetbeans.importclass=org.netbeans.upgrade.AutoUpgrade \
            ${netbeans_default_options} \
            '"$@"'
        ;;
esac
