#! /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< $db_file
  while read r_type r_dir r_ver_major r_ver_minor r_ver_micro r_ver_patch<&7; do
    if [ "$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
        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" -version 2>&1`
  is_gcj=`expr "$version_output" : '.*gcj'`
  if [ "$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
}

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

  if [ "$ver_major" = "" ]; then
    return;
  fi
  if [ "$ver_major" -lt "1" ]; then
    return;
  elif [ "$ver_major" -eq "1" ]; then
    if [ "$ver_minor" -lt "4" ]; then
      return;
    elif [ "$ver_minor" -eq "4" ]; then
      if [ "$ver_micro" -lt "1" ]; then
        return;
      fi
    fi
  fi

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

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

cd "$prg_dir"/.

if [ -f "$bundled_jre_home/lib/rt.jar.pack" ]; then
  old_pwd200=`pwd`
  cd "$bundled_jre_home"
  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 [ $? -ne 0 ]; then
        echo "Error unpacking jar files. Aborting."
        echo "You might need administrative priviledges for this operation."
exit 1
      fi
    fi
  done
  cd "$old_pwd200"
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 "$app_java_home" ]; then
  test_jvm "$app_home/jre"
  if [ -z "$app_java_home" ] && [ $tested_jvm = "false" ]; then
    rm $HOME/.install4j
    test_jvm "$app_home/jre"
  fi
fi

if [ -z "$app_java_home" ]; then
  test_jvm $INSTALL4J_JAVA_HOME
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/* /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/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 1.4.1 and at most 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



vmoptions_val=""
vmoptions_file="$prg_dir/$progname.vmoptions"
if [ -r "$vmoptions_file" ]; then
  exec 8< "$vmoptions_file"
  while read cur_option<&8; do
    is_comment=`expr "$cur_option" : ' *#.*'`
    if [ "$is_comment" = "0" ]; then 
      vmoptions_val="$vmoptions_val $cur_option"
    fi
  done
  exec 8<&-
fi
INSTALL4J_ADD_VM_PARAMS="$INSTALL4J_ADD_VM_PARAMS $vmoptions_val"

local_classpath=""
add_class_path "$app_home/.install4j/i4jruntime.jar"

if [ ! -d "$app_home/lib" ]; then
  echo The directory $app_home/lib does not exist.
exit 1
fi
for i in `ls "$app_home/lib" | egrep "\.(jar$|zip$)"`
do
  add_class_path "$app_home/lib/$i"
done

if [ ! -r "$app_home/bin/install4j.jar" ]; then
  echo The archive $app_home/bin/install4j.jar does not exist.
exit 1
fi
add_class_path "$app_home/bin/install4j.jar"

"$app_java_home/bin/java" -Dinstall4j.jvmDir="$app_java_home" -Dinstall4j.appDir="$app_home"  -Dexe4j.moduleName="$prg_dir/$prg" -Xmx256m $INSTALL4J_ADD_VM_PARAMS -classpath "$local_classpath" com.install4j.runtime.Launcher launch com.install4j.Install4JGUI true false "$prg_dir/error.log" "" true  true true "splash.png" false true 381 235 "Loading install4j ..." 23 128 "Arial" "255,255,255" 8 600 "v3.2.5" 23 170 "Arial" "255,255,255" 7 600 -1  "$@"


exit $?
