#!/bin/sh 
#jinstall - Command line script to easily add new java directories to
#'alternatives'. This sets the java as default, and you can switch your
#default java with update-java-alternatives
#
#Copyright 2014 Bruce.Ingalls at gmail & Alin Andrei <webupd8@gmail.com>
#GPL v3 Affero license at http://www.gnu.org/
#Downloads & discussion at http://www.webupd8.org/
#Tested on Ubuntu Oneiric; should require few changes for other modern Unix systems
#Currently tested only with JDK, not JRE.
# Not fully internationalized, including japanese man pages

set -e

VER='0.6alpha'

case $(dpkg --print-architecture) in
'i386'|'i586'|'i686') arch=i386; dld=x86;
  SHA256SUM_TGZ="6715edf6528612c859ac0ce81fa13eb147ea10b00bc9256840431954e0d0779a" #must be modified for each release
  ;; 
'amd64'  ) arch=amd64; dld=x64;
  SHA256SUM_TGZ="2cdaf0ff92d0829b510edd883a4ac8322c02f2fc1beae95d048b6716076bc014" #must be modified for each release 
  ;; 
*         )
    echo "Please report to author unsupported platform '`uname -m`'.";
    echo "Proceeding without web browser plugin support";
    arch='';
esac



if [ ! $arch = "amd64" ]; then
    J_DIR=jdk-9 #must be modified for each release
    JAVA_VERSION_MAJOR=9 #
    JAVA_VERSION_MINOR=125 #must be modified for each release
    #FILENAME=jdk-${JAVA_VERSION_MAJOR}-ea+${JAVA_VERSION_MINOR}_linux-${dld}_bin.tar.gz 
    FILENAME=jdk-9-linux-${dld}.tar.gz
else
    J_DIR=jdk-9.0.1
    JAVA_VERSION_MAJOR=9.0.1 #
    JAVA_VERSION_MINOR=11 #must be modified for each release
    FILENAME=jdk-9-linux-${dld}.tar.gz 
fi


J_INSTALL_DIR=/usr/lib/jvm/java-9-oracle

########Create dirs
mkdir -p /var/cache/oracle-jdk9-installer
mkdir -p /usr/lib/jvm
mkdir -p /usr/lib/oracle-jdk9-installer-unpackdir
#without this, an error is displayed if the folder doesn't exist:
mkdir -p /usr/lib/mozilla/plugins
#############



. /usr/share/debconf/confmodule

fp_exit_with_error() {
	echo $1
	echo "Oracle JDK 9 is NOT installed."
	db_fset oracle-java9-installer/local seen false
	exit 1
}

OLDDIR=/usr/lib/oracle-jdk9-installer-unpackdir
NEWDIR=/var/cache/oracle-jdk9-installer

safe_move() {
	[ ! -f $OLDDIR/$1 ] || [ -f $NEWDIR/$1 ] || mv $OLDDIR/$1 $NEWDIR/$1 2> /dev/null || true
	[ ! -f $OLDDIR/$1 ] || [ ! -f $NEWDIR/$1 ] || rm -f $OLDDIR/$1 2> /dev/null || true
}

ORACLE_DIR=/var/cache/oracle-jdk9-installer
cd $ORACLE_DIR
tar xzf $FILENAME || fp_exit_with_error "cannot unpack jdk9"
# FIN Lliurex -------------------------------05/11/2013

# Copy JDK to the right dir
mv $J_DIR java-9-oracle
rm -rf /usr/lib/jvm/java-9-oracle
cp -rf java-9-oracle /usr/lib/jvm/

# There's no javaws on arm
if [ ! $arch = "arm" ]; then
	# Install javaws-wrapper.sh
	mv $J_INSTALL_DIR/bin/javaws $J_INSTALL_DIR/bin/javaws.real
	install -m 755 javaws-wrapper.sh $J_INSTALL_DIR/bin/javaws
fi

# Install jar.binfmt
install -m 755 jar.binfmt $J_INSTALL_DIR/lib/jar.binfmt

# Install OpenJDK's font config
install -m 755 fontconfig.Ubuntu.properties $J_INSTALL_DIR/lib/

# Clean up
rm -rf java-9-oracle

# To add when an older version exists:
# safe_move jdk-7u2-linux-x64.tar.gz #must be modified for each release
# safe_move jdk-7u2-linux-i586.tar.gz #must be modified for each release
rmdir $OLDDIR 2> /dev/null || true
#remove previous versions, if they exist


db_fset oracle-java9-installer/local seen false

# This step is optional, recommended, and affects code below.
ls $J_INSTALL_DIR/man/man1/*.1 >/dev/null 2>&1 && \
  gzip -9 $J_INSTALL_DIR/man/man1/*.1 >/dev/null 2>&1

#Increment highest version by 1.
#Also assumes all Java helper programs (javaws, jcontrol, etc) at same version as java.
#These helpers should be slaves, or in the same path as java; thus, a reasonable assumption.

LATEST=1
LATEST=$((`LANG=C update-alternatives --display java | grep ^/ | sed -e 's/.* //g' | sort -n | tail -1`+1))

#create .java-9-oracle.jinfo file header:
if [ -e /usr/lib/jvm/.java-9-oracle.jinfo ]; then
   rm -f /usr/lib/jvm/.java-9-oracle.jinfo
fi
echo "name=java-9-oracle
alias=java-9-oracle
priority=$LATEST
section=non-free
" > /usr/lib/jvm/.java-9-oracle.jinfo


#link JDK files
for f in $J_INSTALL_DIR/bin/*; do
    name=`basename $f`;
    if [ ! -f "/usr/bin/$name" -o -L "/usr/bin/$name" ]; then  #some files, like jvisualvm might not be links
        if [ -f "$J_INSTALL_DIR/man/man1/$name.1.gz" ]; then
					if [ ! $arch = "arm" ]; then
            update-alternatives --install /usr/bin/$name $name $J_INSTALL_DIR/bin/$name $LATEST --slave /usr/share/man/man1/$name.1.gz $name.1.gz $J_INSTALL_DIR/man/man1/$name.1.gz
            echo "jdk $name $J_INSTALL_DIR/bin/$name" >> /usr/lib/jvm/.java-9-oracle.jinfo
					else
						# There's no javaws, jvisualvm or jmc on arm
						[ ! $name = "javaws" ] && [ ! $name = "jvisualvm" ] && [ ! $name = "jmc" ] && update-alternatives --install /usr/bin/$name $name $J_INSTALL_DIR/bin/$name $LATEST --slave /usr/share/man/man1/$name.1.gz $name.1.gz $J_INSTALL_DIR/man/man1/$name.1.gz
						[ ! $name = "javaws" ] && [ ! $name = "jvisualvm" ] && [ ! $name = "jmc" ] && echo "jdk $name $J_INSTALL_DIR/bin/$name" >> /usr/lib/jvm/.java-9-oracle.jinfo
					fi
         else #no man pages available
            # [ ! $name = "javaws.real" ] = skip javaws.real     
            [ ! $name = "javaws.real" ] && update-alternatives --install /usr/bin/$name $name $J_INSTALL_DIR/bin/$name $LATEST
            [ ! $name = "javaws.real" ] && echo "jdk $name $J_INSTALL_DIR/bin/$name" >> /usr/lib/jvm/.java-9-oracle.jinfo
         fi
    fi
done


#link JDK not in /bin
[ -f $J_INSTALL_DIR/lib/jexec ]    && update-alternatives --install /usr/bin/jexec    jexec    $J_INSTALL_DIR/lib/jexec    $LATEST --slave /usr/share/binfmts/jar jexec-binfmt $J_INSTALL_DIR/lib/jar.binfmt && echo "jdk jexec $J_INSTALL_DIR/lib/jexec" >> /usr/lib/jvm/.java-9-oracle.jinfo

#This will issue ignorable warnings for alternatives that are not part of a group
#Link JDK files with/without man pages
if [ -d "$J_INSTALL_DIR/man/man1" ];then
    for f in $J_INSTALL_DIR/man/man1/*; do
        name=`basename $f .1.gz`;
        #some files, like jvisualvm might not be links. Further assume this for corresponding man page
        if [ ! -f "/usr/bin/$name" -o -L "/usr/bin/$name" ]; then
            if [ ! -f "$J_INSTALL_DIR/man/man1/$name.1.gz" ]; then
                name=`basename $f .1`;          #handle any legacy uncompressed pages
            fi
          		if [ ! -e $J_INSTALL_DIR/jre/bin/$name ]; then #don't link already linked JRE files
								if [ ! $arch = "arm" ]; then
              		update-alternatives --install /usr/bin/$name $name $J_INSTALL_DIR/bin/$name $LATEST --slave /usr/share/man/man1/$name.1.gz $name.1.gz $J_INSTALL_DIR/man/man1/$name.1.gz
              		echo "jdk $name $J_INSTALL_DIR/bin/$name" >> /usr/lib/jvm/.java-9-oracle.jinfo
								else
									# There's no javaws, jvisualvm or jmc on arm
									[ ! $name = "javaws" ] && [ ! $name = "jvisualvm" ] && [ ! $name = "jmc" ] && update-alternatives --install /usr/bin/$name $name $J_INSTALL_DIR/bin/$name $LATEST --slave /usr/share/man/man1/$name.1.gz $name.1.gz $J_INSTALL_DIR/man/man1/$name.1.gz
									[ ! $name = "javaws" ] && [ ! $name = "jvisualvm" ] && [ ! $name = "jmc" ] && echo "jdk $name $J_INSTALL_DIR/bin/$name" >> /usr/lib/jvm/.java-9-oracle.jinfo
								fi
          		fi
        fi
    done

else  #no man pages available
    for f in $J_INSTALL_DIR/bin/*; do
        name=`basename $f`;
        if [ ! -f "/usr/bin/$name" -o -L "/usr/bin/$name" ]; then  #some files, like jvisualvm might not be links
            if [ ! -e $J_INSTALL_DIR/jre/bin/$name ]; then #don't link already linked JRE files
                update-alternatives --install /usr/bin/$name $name $J_INSTALL_DIR/bin/$name $LATEST
                echo "jdk $name $J_INSTALL_DIR/bin/$name" >> /usr/lib/jvm/.java-9-oracle.jinfo
            fi
        fi
    done
fi

# Hide javaws and jvisualvm desktop files on arm since these files don't exist on this architecture
if [ $arch = "arm" ]; then
echo "NoDisplay=true" >> /usr/share/applications/JB-javaws-jdk9.desktop
echo "NoDisplay=true" >> /usr/share/applications/JB-jvisualvm-jdk9.desktop
fi

# Use cacerts form ca-certificates-java if it's installed:
if [ -e /etc/ssl/certs/java/cacerts ]; then
  cd /usr/lib/jvm/java-9-oracle/lib/security
  mv cacerts cacerts.original
  ln -s /etc/ssl/certs/java/cacerts .
fi

# register binfmt; ignore errors, the alternative may already be
# registered by another JRE.
if which update-binfmts >/dev/null && [ -r /usr/share/binfmts/jar ]; then
    update-binfmts --package oracle-java9 --import jar || true
fi

echo "Oracle JDK 9 installed"

# Install Firefox (and compatible) plugin. $arch will be empty for unknown platform
# No plugin for arm architecture yet
[ -f $J_INSTALL_DIR/lib/$arch/libnpjp2.so ] && \
	update-alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so mozilla-javaplugin.so $J_INSTALL_DIR/lib/$arch/libnpjp2.so $LATEST && \
	echo "plugin mozilla-javaplugin.so $J_INSTALL_DIR/lib/$arch/libnpjp2.so" >> /usr/lib/jvm/.java-9-oracle.jinfo && \
echo "Oracle Java 9 browser plugin installed"

#DEBHELPER#

exit 0

# vim: ts=2 sw=2