[ALL] Upgrade Java version (8+) + Upgrade Gradle configuration

For a complete documentation/tutorial and a demo of the 3 libraries you should visit the following websites: [ADQLTuto](http://cdsportal.u-strasbg.fr/adqltuto), [UWSTuto](http://cdsportal.u-strasbg.fr/uwstuto) and [TAPTuto](http://cdsportal.u-strasbg.fr/taptuto).

### Java version

These libraries are developed in **Java 7**.

These libraries are developed in **Java 8**.

### License

The three of these libraries are under the terms of the [LGPL v3 license](https://www.gnu.org/licenses/lgpl.html). You can find the full description and all the conditions of use in the files src/COPYING and src/COPYING.LESSER.

    testRuntime 'com.vividsolutions:jts-core:1.14.0'

    testRuntime 'org.locationtech.spatial4j:spatial4j:0.6'

    testRuntime 'org.xerial:sqlite-jdbc:3.16.1'

    /* Needed to run Gradle with Java 9+: */

    // https://mvnrepository.com/artifact/javax.xml.bind/jaxb-api

	compile group: 'javax.xml.bind', name: 'jaxb-api', version: '2.3.1'

}

compileJava {

sourceSets.test.java.srcDirs = ["test"]

/* Set the minimum Java version compatibility: */

sourceCompatibility = '1.7'

targetCompatibility = '1.7'

sourceCompatibility = '1.8'

targetCompatibility = '1.8'

distributionBase=GRADLE_USER_HOME

distributionPath=wrapper/dists

zipStoreBase=GRADLE_USER_HOME

zipStorePath=wrapper/dists

distributionUrl=https\://services.gradle.org/distributions/gradle-6.0-bin.zip

#!/usr/bin/env sh

##############################################################################

##

##  Gradle start up script for UN*X

##

##############################################################################

# Attempt to set APP_HOME

# Resolve links: $0 may be a link

PRG="$0"

# Need this for relative symlinks.

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

SAVED="`pwd`"

cd "`dirname \"$PRG\"`/" >/dev/null

APP_HOME="`pwd -P`"

cd "$SAVED" >/dev/null

APP_NAME="Gradle"

APP_BASE_NAME=`basename "$0"`

# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

DEFAULT_JVM_OPTS=""

# Use the maximum available, or set MAX_FD != -1 to use that value.

MAX_FD="maximum"

warn () {

    echo "$*"

}

die () {

    echo

    echo "$*"

    echo

    exit 1

}

# OS specific support (must be 'true' or 'false').

cygwin=false

msys=false

darwin=false

nonstop=false

case "`uname`" in

  CYGWIN* )

    cygwin=true

    ;;

  Darwin* )

    darwin=true

    ;;

  MINGW* )

    msys=true

    ;;

  NONSTOP* )

    nonstop=true

    ;;

esac

CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar

# Determine the Java command to use to start the JVM.

if [ -n "$JAVA_HOME" ] ; then

    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then

        # IBM's JDK on AIX uses strange locations for the executables

        JAVACMD="$JAVA_HOME/jre/sh/java"

    else

        JAVACMD="$JAVA_HOME/bin/java"

    fi

    if [ ! -x "$JAVACMD" ] ; then

        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME

Please set the JAVA_HOME variable in your environment to match the

location of your Java installation."

    fi

else

    JAVACMD="java"

    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

Please set the JAVA_HOME variable in your environment to match the

location of your Java installation."

fi

# Increase the maximum file descriptors if we can.

if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then

    MAX_FD_LIMIT=`ulimit -H -n`

    if [ $? -eq 0 ] ; then

        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then

            MAX_FD="$MAX_FD_LIMIT"

        fi

        ulimit -n $MAX_FD

        if [ $? -ne 0 ] ; then

            warn "Could not set maximum file descriptor limit: $MAX_FD"

        fi

    else

        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"

    fi

fi

# For Darwin, add options to specify how the application appears in the dock

if $darwin; then

    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""

fi

# For Cygwin, switch paths to Windows format before running java

if $cygwin ; then

    APP_HOME=`cygpath --path --mixed "$APP_HOME"`

    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`

    JAVACMD=`cygpath --unix "$JAVACMD"`

    # We build the pattern for arguments to be converted via cygpath

    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`

    SEP=""

    for dir in $ROOTDIRSRAW ; do

        ROOTDIRS="$ROOTDIRS$SEP$dir"

        SEP="|"

    done

    OURCYGPATTERN="(^($ROOTDIRS))"

    # Add a user-defined pattern to the cygpath arguments

    if [ "$GRADLE_CYGPATTERN" != "" ] ; then

        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"

    fi

    # Now convert the arguments - kludge to limit ourselves to /bin/sh

    i=0

    for arg in "$@" ; do

        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`

        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option

        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition

            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`

        else

            eval `echo args$i`="\"$arg\""

        fi

        i=$((i+1))

    done

    case $i in

        (0) set -- ;;

        (1) set -- "$args0" ;;

        (2) set -- "$args0" "$args1" ;;

        (3) set -- "$args0" "$args1" "$args2" ;;

        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;

        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;

        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;

        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;

        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;

        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;

    esac

fi

# Escape application args

save () {

    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done

    echo " "

}

APP_ARGS=$(save "$@")

# Collect all arguments for the java command, following the shell quoting and substitution rules

eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"

# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong

if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then

  cd "$(dirname "$0")"

fi

exec "$JAVACMD" "$@"