#!/bin/bash

if [ "${DIB_DEBUG_TRACE:-0}" -gt 0 ]; then
    set -x
fi
set -eu
set -o pipefail

echo "Begin: installation of Java"

# NOTE: $(dirname $0) is read-only, use space under $TARGET_ROOT
JAVA_LOCATION=${JAVA_TARGET_LOCATION:-"/usr/java"}
JAVA_NAME="oracle-jdk"
JAVA_HOME=$JAVA_LOCATION/$JAVA_NAME
JAVA_DOWNLOAD_URL=${JAVA_DOWNLOAD_URL:-"http://download.oracle.com/otn-pub/java/jdk/7u51-b13/jdk-7u51-linux-x64.tar.gz"}

mkdir -p $JAVA_LOCATION

if [ -n "$JAVA_DOWNLOAD_URL" ]; then
    install-packages wget
    JAVA_FILE=$(basename $JAVA_DOWNLOAD_URL)
    wget --no-check-certificate --no-cookies -c \
        --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" \
        -O $JAVA_LOCATION/$JAVA_FILE $JAVA_DOWNLOAD_URL
elif [ -n "$JAVA_FILE" ]; then
    install -D -g root -o root -m 0755 $(dirname $0)/$JAVA_FILE $JAVA_LOCATION
fi

cd $JAVA_LOCATION

echo "Decompressing Java archive"
echo -e "\n" | tar -zxf $JAVA_FILE
echo "Setting up $JAVA_NAME"
chown -R root:root $JAVA_LOCATION
JAVA_DIR=`ls -1 $JAVA_LOCATION | grep -v tar.gz`
ln -s $JAVA_LOCATION/$JAVA_DIR $JAVA_HOME

setup-java-home $JAVA_HOME $JAVA_HOME

rm $JAVA_FILE

echo "End: installation of Java"
