#!/bin/sh
# /etc/init.d/javaif.sh
# Derived from /etc/init.d/java.sfs.sh in java-sfs.sh by Uten
#set -x #DEBUG

test $1 || exit
setvar ARGUMENT = "$1"

proc update_configuration {
    setvar JAVAHOME = "$(javaiffind)"
    local UPDATECONFIG=false
    if test $JAVAHOME {
     if test -d "$JAVAHOME/jre" { #JDK
      setvar JREHOME = ""$JAVAHOME/jre""
     } else {
      setvar JREHOME = "$JAVAHOME"
     }
     setvar JAVAVERSION = "$($JAVAHOME/bin/java -version 2>&1 | grep 'version' | cut -f3 -d ' ' | tr -d '\"')"
     if test "$JREHOME $JAVAVERSION" != "$PREVJREHOME $PREVVERSION" {
      local UPDATECONFIG=true
     }
    } else {
     setvar JREHOME = ''''
     setvar JAVAVERSION = ''''
     if test $PREVJAVAHOME -o $PREVJREHOME -o $PREVVERSION {
      local UPDATECONFIG=true
     }
    }
    if test $UPDATECONFIG = true {
     setvar SEDSCRIPT1 = ""/JAVAHOME=/ s%=.*%=${JAVAHOME}%""
     setvar SEDSCRIPT2 = ""/JREHOME=/ s%=.*%=${JREHOME}%""
     setvar SEDSCRIPT3 = ""/JAVAVERSION=/ s%=.*%=${JAVAVERSION}%""
     sed -i -e $SEDSCRIPT1 -e $SEDSCRIPT2 -e $SEDSCRIPT3 /etc/javaif.conf
    }
}

proc add_plugin_links {
    for ONEBROWSER in $BROWSERS {
     if test -d /usr/lib/$ONEBROWSER {
      for ONEPLUGIN in $BROWSERPLUGINS {
       mkdir -p /usr/lib/$ONEBROWSER/plugins
       if test -f $JREHOME/lib/i386/$ONEPLUGIN {
        ln -sf $JREHOME/lib/i386/$ONEPLUGIN /usr/lib/$ONEBROWSER/plugins/$(basename $ONEPLUGIN)
       }
      }
     }
    }
}

proc remove_plugin_links {
    for ONEBROWSER in $BROWSERS {
     if test -d /usr/lib/$ONEBROWSER {
      for ONEPLUGIN in $BROWSERPLUGINS {
       if test -d /usr/lib/$ONEBROWSER/plugins {
        rm -f /usr/lib/$ONEBROWSER/plugins/$(basename $ONEPLUGIN)
       }
      }
     }
    }
}

proc add_icon_links {
    for ONEIMAGE in $IMAGES {
     if test -f $JREHOME/lib/images/icons/$ONEIMAGE {
      ln -sf $JREHOME/lib/images/icons/$ONEIMAGE /usr/share/pixmaps/
     }
    }
    for ONEMAINICON in $MAINICONS {
     if test -f $JREHOME/lib/desktop/icons/hicolor/16x16/apps/$ONEMAINICON {
      ln -sf $JREHOME/lib/desktop/icons/hicolor/16x16/apps/$ONEMAINICON /usr/local/lib/X11/mini-icons/
     }
    }
    for ONEMIMEICON in $MIMEICONS {
     if test $ROXMIMEPATH -a -f $JREHOME/lib/desktop/icons/hicolor/48x48/mimetypes/gnome-mime-$ONEMIMEICON {
      ln -sf $JREHOME/lib/desktop/icons/hicolor/48x48/mimetypes/gnome-mime-$ONEMIMEICON $ROXMIMEPATH/$ONEMIMEICON
     }
    }
    for ONEGROUP in hicolor HighContrast HighContrastInverse LowContrast {
     if test -d $JREHOME/lib/desktop/icons/$ONEGROUP {
      mkdir -p /usr/share/icons/$ONEGROUP/16x16/apps
      mkdir -p /usr/share/icons/$ONEGROUP/48x48/apps
      for ONEMAINICON in $MAINICONS {
       if test -f $JREHOME/lib/desktop/icons/$ONEGROUP/16x16/apps/$ONEMAINICON {
        ln -sf $JREHOME/lib/desktop/icons/$ONEGROUP/16x16/apps/$ONEMAINICON /usr/share/icons/$ONEGROUP/16x16/apps/
       }
       if test -f $JREHOME/lib/desktop/icons/$ONEGROUP/48x48/apps/$ONEMAINICON {
        ln -sf $JREHOME/lib/desktop/icons/$ONEGROUP/48x48/apps/$ONEMAINICON /usr/share/icons/$ONEGROUP/48x48/apps/
       }
      }
      mkdir -p /usr/share/icons/$ONEGROUP/16x16/mimetypes
      mkdir -p /usr/share/icons/$ONEGROUP/48x48/mimetypes
      for ONEMIMEICON in $MIMEICONS {
       if test -f $JREHOME/lib/desktop/icons/$ONEGROUP/16x16/mimetypes/gnome-mime-$ONEMIMEICON {
        ln -sf $JREHOME/lib/desktop/icons/$ONEGROUP/16x16/mimetypes/gnome-mime-$ONEMIMEICON /usr/share/icons/$ONEGROUP/16x16/mimetypes/
       }
       if test -f $JREHOME/lib/desktop/icons/$ONEGROUP/48x48/mimetypes/gnome-mime-$ONEMIMEICON {
        ln -sf $JREHOME/lib/desktop/icons/$ONEGROUP/48x48/mimetypes/gnome-mime-$ONEMIMEICON /usr/share/icons/$ONEGROUP/48x48/mimetypes/
       }
      }
     }
    }
}

proc remove_icon_links {
    for ONEIMAGE in $IMAGES {
     rm -f /usr/share/pixmaps/$ONEIMAGE
    }
    for ONEMAINICON in $MAINICONS {
     rm -f /usr/local/lib/X11/mini-icons/$ONEMAINICON
    }
    for ONEMIMEICON in $MIMEICONS {
     test $ROXMIMEPATH && rm -f $ROXMIMEPATH/$ONEMIMEICON
    }
    for ONEGROUP in hicolor HighContrast HighContrastInverse LowContrast {
     for ONEMAINICON in $MAINICONS {
      rm -f /usr/share/icons/$ONEGROUP/16x16/apps/$ONEMAINICON
      rm -f /usr/share/icons/$ONEGROUP/48x48/apps/$ONEMAINICON
     }
     for ONEMIMEICON in $MIMEICONS {
      rm -f /usr/share/icons/$ONEGROUP/16x16/mimetypes/gnome-mime-$ONEMIMEICON
      rm -f /usr/share/icons/$ONEGROUP/48x48/mimetypes/gnome-mime-$ONEMIMEICON
     }
    }
}

case (ARGUMENT) {
 start|change {
  setvar BROWSERS = ''''; setvar BROWSERPLUGINS = ''''
  setvar IMAGES = ''''; setvar MAINICONS = ''''; setvar MIMEICONS = ''''
  source /etc/javaif.conf
  setvar PREVJAVAHOME = "$JAVAHOME"
  setvar PREVJREHOME = "$JREHOME"
  setvar PREVVERSION = "$JAVAVERSION"
  setvar FORCEEXECPATH = 'false'
  setvar ROXMIMEPATH = $(find /usr -maxdepth 5 -name "MIME" | grep -m 1 'ROX-Filer')
  update_configuration
  if test $JAVAHOME {
   if test $PREVJREHOME {
    remove_plugin_links
    remove_icon_links
   }
   add_plugin_links
   add_icon_links
   # Remove possible conflicting override links & script from PET/SFS package
   for ONEEXEC in java javac javaws jcontrol jjs {
    rm -f /usr/bin/$ONEEXEC
   }
   rm -f /etc/init.d/java.sfs.sh # possible conflicting init scripts
   rm -f etc/init.d/java
  } else {
   remove_plugin_links
   remove_icon_links
  }
  }
}