#!/bin/sh

# Uncomment the following line to override the JVM search sequence
# INSTALL4J_JAVA_HOME_OVERRIDE=
# Uncomment the following line to add additional VM parameters
# INSTALL4J_ADD_VM_PARAMS=

read_db_entry() {
  if [ -n "$INSTALL4J_NO_DB" ]; then
    return 1
  fi
  db_file=$HOME/.install4j
  if [ ! -f "$db_file" ]; then
    return 1
  fi
  if [ ! -x "$java_exc" ]; then
    return 1
  fi
  found=1
  exec 7< $db_file
  while read r_type r_dir r_ver_major r_ver_minor r_ver_micro r_ver_patch r_ver_vendor<&7; do
    if [ "$r_type" = "JRE_VERSION" ]; then
      if [ "$r_dir" = "$test_dir" ]; then
        ver_major=$r_ver_major
        ver_minor=$r_ver_minor
        ver_micro=$r_ver_micro
        ver_patch=$r_ver_patch
      fi
    elif [ "$r_type" = "JRE_INFO" ]; then
      if [ "$r_dir" = "$test_dir" ]; then
        is_openjdk=$r_ver_major
        found=0
        break
      fi
    fi
  done
  exec 7<&-

  return $found
}

create_db_entry() {
  tested_jvm=true
  echo testing JVM in $test_dir ...
  version_output=`"$bin_dir/java" $1 -version 2>&1`
  is_gcj=`expr "$version_output" : '.*gcj'`
  is_openjdk=`expr "$version_output" : '.*OpenJDK'`
  if [ "$is_gcj" = "0" ]; then
    java_version=`expr "$version_output" : '.*"\(.*\)".*'`
    ver_major=`expr "$java_version" : '\([0-9][0-9]*\)\..*'`
    ver_minor=`expr "$java_version" : '[0-9][0-9]*\.\([0-9][0-9]*\)\..*'`
    ver_micro=`expr "$java_version" : '[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\).*'`
    ver_patch=`expr "$java_version" : '.*_\(.*\)'`
  fi
  if [ "$ver_patch" = "" ]; then
    ver_patch=0
  fi
  if [ -n "$INSTALL4J_NO_DB" ]; then
    return
  fi
  db_new_file=${db_file}_new
  if [ -f "$db_file" ]; then
    awk '$1 != "'"$test_dir"'" {print $0}' $db_file > $db_new_file
    rm $db_file
    mv $db_new_file $db_file
  fi
  dir_escaped=`echo "$test_dir" | sed -e 's/ /\\\\ /g'`
  echo "JRE_VERSION	$dir_escaped	$ver_major	$ver_minor	$ver_micro	$ver_patch" >> $db_file
  echo "JRE_INFO	$dir_escaped	$is_openjdk" >> $db_file
}

test_jvm() {
  tested_jvm=na
  test_dir=$1
  bin_dir=$test_dir/bin
  java_exc=$bin_dir/java
  if [ -z "$test_dir" ] || [ ! -d "$bin_dir" ] || [ ! -f "$java_exc" ] || [ ! -x "$java_exc" ]; then
    return
  fi

  tested_jvm=false
  read_db_entry || create_db_entry $2

  if [ "$ver_major" = "" ]; then
    return;
  fi
  if [ "$ver_major" -lt "1" ]; then
    return;
  elif [ "$ver_major" -eq "1" ]; then
    if [ "$ver_minor" -lt "5" ]; then
      return;
    fi
  fi

  if [ "$ver_major" = "" ]; then
    return;
  fi
  app_java_home=$test_dir
}

add_class_path() {
  if [ -n "$1" ] && [ `expr "$1" : '.*\*'` -eq "0" ]; then
    local_classpath="$local_classpath${local_classpath:+:}$1"
  fi
}

compiz_workaround() {
  if [ "$is_openjdk" != "0" ]; then
    return;
  fi
  if [ "$ver_major" = "" ]; then
    return;
  fi
  if [ "$ver_major" -gt "1" ]; then
    return;
  elif [ "$ver_major" -eq "1" ]; then
    if [ "$ver_minor" -gt "6" ]; then
      return;
    elif [ "$ver_minor" -eq "6" ]; then
      if [ "$ver_micro" -gt "0" ]; then
        return;
      elif [ "$ver_micro" -eq "0" ]; then
        if [ "$ver_patch" -gt "09" ]; then
          return;
        fi
      fi
    fi
  fi


  osname=`uname -s`
  if [ "$osname" = "Linux" ]; then
    compiz=`ps -ef | grep -v grep | grep compiz`
    if [ -n "$compiz" ]; then
      export AWT_TOOLKIT=MToolkit
    fi
  fi

  app_java_home=$test_dir
}


read_vmoptions() {
  vmoptions_file=`eval echo "$1"`
  if [ ! -r "$vmoptions_file" ]; then
    vmoptions_file="$prg_dir/$vmoptions_file"
  fi
  if [ -r "$vmoptions_file" ]; then
    exec 8< "$vmoptions_file"
    while read cur_option<&8; do
      is_comment=`expr "W$cur_option" : 'W *#.*'`
      if [ "$is_comment" = "0" ]; then 
        vmo_classpath=`expr "W$cur_option" : 'W *-classpath \(.*\)'`
        vmo_classpath_a=`expr "W$cur_option" : 'W *-classpath/a \(.*\)'`
        vmo_classpath_p=`expr "W$cur_option" : 'W *-classpath/p \(.*\)'`
        vmo_include=`expr "W$cur_option" : 'W *-include-options \(.*\)'`
        if [ ! "$vmo_classpath" = "" ]; then
          local_classpath="$i4j_classpath:$vmo_classpath"
        elif [ ! "$vmo_classpath_a" = "" ]; then
          local_classpath="${local_classpath}:${vmo_classpath_a}"
        elif [ ! "$vmo_classpath_p" = "" ]; then
          local_classpath="${vmo_classpath_p}:${local_classpath}"
        elif [ "$vmo_include" = "" ]; then
          if [ "W$vmov_1" = "W" ]; then
            vmov_1="$cur_option"
          elif [ "W$vmov_2" = "W" ]; then
            vmov_2="$cur_option"
          elif [ "W$vmov_3" = "W" ]; then
            vmov_3="$cur_option"
          elif [ "W$vmov_4" = "W" ]; then
            vmov_4="$cur_option"
          elif [ "W$vmov_5" = "W" ]; then
            vmov_5="$cur_option"
          else
            vmoptions_val="$vmoptions_val $cur_option"
          fi
        fi
      fi
    done
    exec 8<&-
    if [ ! "$vmo_include" = "" ]; then
      read_vmoptions "$vmo_include"
    fi
  fi
}


run_unpack200() {
  if [ -f "$1/lib/rt.jar.pack" ]; then
    old_pwd200=`pwd`
    cd "$1"
    echo "Preparing JRE ..."
    jar_files="lib/rt.jar lib/charsets.jar lib/plugin.jar lib/deploy.jar lib/ext/localedata.jar lib/jsse.jar"
    for jar_file in $jar_files
    do
      if [ -f "${jar_file}.pack" ]; then
        bin/unpack200 -r ${jar_file}.pack $jar_file

        if [ $? -ne 0 ]; then
          echo "Error unpacking jar files. The architecture or bitness (32/64)"
          echo "of the bundled JVM might not match your machine."
          echo "You might also need administrative privileges for this operation."
exit 1
        fi
      fi
    done
    cd "$old_pwd200"
  fi
}

old_pwd=`pwd`

progname=`basename "$0"`
linkdir=`dirname "$0"`

cd "$linkdir"
prg="$progname"

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

prg_dir=`dirname "$prg"`
progname=`basename "$prg"`
cd "$prg_dir"
prg_dir=`pwd`
app_home=../
cd "$app_home"
app_home=`pwd`
bundled_jre_home="$app_home/jre"

if [ "__i4j_lang_restart" = "$1" ]; then
  cd "$old_pwd"
else
cd "$old_pwd"


fi
if [ ! "__i4j_lang_restart" = "$1" ]; then
run_unpack200 "$bundled_jre_home"
run_unpack200 "$bundled_jre_home/jre"
fi
if [ -z "$app_java_home" ]; then
  test_jvm $INSTALL4J_JAVA_HOME_OVERRIDE
fi

if [ -z "$app_java_home" ]; then
if [ -f "$app_home/.install4j/pref_jre.cfg" ]; then
    read file_jvm_home < "$app_home/.install4j/pref_jre.cfg"
    test_jvm "$file_jvm_home"
    if [ -z "$app_java_home" ] && [ $tested_jvm = "false" ]; then
        rm $HOME/.install4j
        test_jvm "$file_jvm_home"
    fi
fi
fi

if [ -z "$app_java_home" ]; then
  path_java=`which java 2> /dev/null`
  path_java_home=`expr "$path_java" : '\(.*\)/bin/java$'`
  test_jvm $path_java_home
fi


if [ -z "$app_java_home" ]; then
  common_jvm_locations="/opt/i4j_jres/* /usr/local/i4j_jres/* $HOME/.i4j_jres/* /usr/bin/java* /usr/bin/jdk* /usr/bin/jre* /usr/bin/j2*re* /usr/bin/j2sdk* /usr/java* /usr/jdk* /usr/jre* /usr/j2*re* /usr/j2sdk* /usr/java/j2*re* /usr/java/j2sdk* /opt/java* /usr/java/jdk* /usr/java/jre* /usr/lib/java/jre /usr/local/java* /usr/local/jdk* /usr/local/jre* /usr/local/j2*re* /usr/local/j2sdk* /usr/jdk/java* /usr/jdk/jdk* /usr/jdk/jre* /usr/jdk/j2*re* /usr/jdk/j2sdk* /usr/lib/jvm/* /usr/lib/java* /usr/lib/jdk* /usr/lib/jre* /usr/lib/j2*re* /usr/lib/j2sdk*"
  for current_location in $common_jvm_locations
  do
if [ -z "$app_java_home" ]; then
  test_jvm $current_location
fi

  done
fi

if [ -z "$app_java_home" ]; then
  test_jvm $JAVA_HOME
fi

if [ -z "$app_java_home" ]; then
  test_jvm $JDK_HOME
fi

if [ -z "$app_java_home" ]; then
  test_jvm $INSTALL4J_JAVA_HOME
fi

if [ -z "$app_java_home" ]; then
if [ -f "$app_home/.install4j/inst_jre.cfg" ]; then
    read file_jvm_home < "$app_home/.install4j/inst_jre.cfg"
    test_jvm "$file_jvm_home"
    if [ -z "$app_java_home" ] && [ $tested_jvm = "false" ]; then
        rm $HOME/.install4j
        test_jvm "$file_jvm_home"
    fi
fi
fi

if [ -z "$app_java_home" ]; then
  echo No suitable Java Virtual Machine could be found on your system.
  echo The version of the JVM must be at least 1.5.
  echo Please define INSTALL4J_JAVA_HOME to point to a suitable JVM.
  echo You can also try to delete the JVM cache file $HOME/.install4j
exit 83
fi


compiz_workaround
i4j_classpath="$app_home/.install4j/i4jruntime.jar"
local_classpath=""
add_class_path "$i4j_classpath"
add_class_path "$app_home/.install4j/user.jar"

vmoptions_val=""
read_vmoptions "$prg_dir/$progname.vmoptions"
INSTALL4J_ADD_VM_PARAMS="$INSTALL4J_ADD_VM_PARAMS $vmoptions_val"


LD_LIBRARY_PATH="$app_home/.install4j:$LD_LIBRARY_PATH"
DYLD_LIBRARY_PATH="$app_home/.install4j:$DYLD_LIBRARY_PATH"
SHLIB_PATH="$app_home/.install4j:$SHLIB_PATH"
LIBPATH="$app_home/.install4j:$LIBPATH"
LD_LIBRARYN32_PATH="$app_home/.install4j:$LD_LIBRARYN32_PATH"
LD_LIBRARYN64_PATH="$app_home/.install4j:$LD_LIBRARYN64_PATH"
export LD_LIBRARY_PATH
export DYLD_LIBRARY_PATH
export SHLIB_PATH
export LIBPATH
export LD_LIBRARYN32_PATH
export LD_LIBRARYN64_PATH

if [ "W$vmov_1" = "W" ]; then
  vmov_1="-Di4j.vmov=true"
fi
if [ "W$vmov_2" = "W" ]; then
  vmov_2="-Di4j.vmov=true"
fi
if [ "W$vmov_3" = "W" ]; then
  vmov_3="-Di4j.vmov=true"
fi
if [ "W$vmov_4" = "W" ]; then
  vmov_4="-Di4j.vmov=true"
fi
if [ "W$vmov_5" = "W" ]; then
  vmov_5="-Di4j.vmov=true"
fi

"$app_java_home/bin/java" -Dinstall4j.jvmDir="$app_java_home" -Dexe4j.moduleName="$prg_dir/$progname" "$vmov_1" "$vmov_2" "$vmov_3" "$vmov_4" "$vmov_5" $INSTALL4J_ADD_VM_PARAMS -classpath "$local_classpath" com.install4j.runtime.Launcher launch com.install4j.runtime.installer.Application true false "" "" true true false "" true true 0 0 "" 20 20 "Arial" "0,0,0" 8 500 "version 1.0" 20 40 "Arial" "0,0,0" 8 500 -1 265 "$@"


exit $?
