set -e

if [ -z $ICU4J ]; then
    ICU4J=/usr/share/java/icu4j.jar
    ICU4J=/usr/share/java/com.ibm.icu-4.4.jar
    test -r "$ICU4J" || ICU4J=/usr/share/icu4j-55/lib/icu4j.jar
fi
if [ ! -r "$ICU4J" ] ; then
    echo "ICU4J needs to be installed"
    exit 1;
fi

if [ -z "$JUNIT" ]; then
    JUNIT=/usr/share/java/junit.jar
    test -r "$JUNIT" || JUNIT=/usr/share/junit/lib/junit.jar
fi
if [ ! -r "$JUNIT" ] ; then
    echo "Junit needs to be installed"
    exit 1;
fi

if [ -z "$COMMONS_LANG3" ]; then
    COMMONS_LANG3=/usr/share/java/commons-lang3.jar
    test -r "$COMMONS_LANG3" || COMMONS_LANG3=/usr/share/commons-lang-3.3/lib/commons-lang.jar
fi
if [ ! -r "$COMMONS_LANG3" ] ; then
    echo "commons-lang needs to be installed"
    exit 1;
fi

if [ -z "$COMMONS_COMPRESS" ]; then
    COMMONS_COMPRESS=/usr/share/java/commons-compress.jar
fi
if [ ! -r "$COMMONS_COMPRESS" ] ; then
    echo "commons-compress needs to be installed"
    exit 1;
fi

if [ ! -x ../Dictionary ] ; then
    echo "You need to clone the Dictionary repository (including subprojects) into .."
    exit 1
fi

if [ -z "$JAVA" ]; then
    JAVA=/usr/lib/jvm/java-8-openjdk-amd64/bin/java
fi
if [ ! -r "$JAVA" ]; then
    echo "could not find java at $JAVA"
    exit 1
fi
JAVAC=${JAVA}c
if [ ! -r "$JAVAC" ]; then
    echo "could not find javac at $JAVAC"
    exit 1
fi