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#! /bin/sh

PLEXUS_OPTS="$PLEXUS_OPTS -Xmx128m" 

# OS specific support.  $var _must_ be set to either true or false.
cygwin=false
darwin=false;
case "`uname`" in
CYGWIN*) cygwin=true;;
Darwin*) darwin=true ;;
esac

# resolve links - $0 may be a softlink
THIS_PROG="$0"

while [ -h "$THIS_PROG" ]; do
  ls=`ls -ld "$THIS_PROG"`
  link=`expr "$ls" : '.*-> \(.*\)$'`
  if expr "$link" : '.*/.*' > /dev/null; then
    THIS_PROG="$link"
  else
    THIS_PROG=`dirname "$THIS_PROG"`/"$link"
  fi
done

# Get standard environment variables
PRGDIR=`dirname "$THIS_PROG"`
PLEXUS_HOME=`cd "$PRGDIR/.." ; pwd`
PLEXUS_CONF=`cd "$PLEXUS_HOME/conf" ; pwd`
unset THIS_PROG

if [ -z "$JAVA_HOME" ] ; then
  if [ -e /etc/gentoo-release ] ; then
    JAVA_HOME=`java-config --jre-home`
  fi
fi


# Checking for JAVA_HOME is required on *nix due
# to some distributions stupidly including kaffe in /usr/bin
if [ "$JAVA_HOME" = "" ] ; then
  echo "ERROR: JAVA_HOME not found in your environment."
  echo
  echo "Please, set the JAVA_HOME variable in your environment to match the"
  echo "location of the Java Virtual Machine you want to use."
  exit 1
fi

# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
  [ -n "$PLEXUS_HOME" ] &&
    PLEXUS_HOME=`cygpath --unix "$PLEXUS_HOME"`
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
  [ -n "$CLASSPATH" ] &&
    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi

if [ -z "$PLEXUS_TMPDIR" ] ; then
  PLEXUS_TMPDIR="$PLEXUS_HOME"/temp
  mkdir -p "$PLEXUS_TMPDIR"
fi

if [ -z "$JAVACMD" ] ; then
  if [ -n "$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
  else
    JAVACMD=java
  fi
fi

if [ ! -x "$JAVACMD" ] ; then
  echo "Error: JAVA_HOME is not defined correctly."
  echo "  We cannot execute $JAVACMD"
  exit
fi

if [ -z "$JAVA_HOME" ] ; then
  echo "Warning: JAVA_HOME environment variable is not set."
  echo "  If build fails because sun.* classes could not be found"
  echo "  you will need to set the JAVA_HOME environment variable"
  echo "  to the installation directory of java."
fi

# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
  PLEXUS_HOME=`cygpath --path --windows "$PLEXUS_HOME"`
  PLEXUS_CONF=`cygpath --path --windows "$PLEXUS_CONF"`
  PLEXUS_TMPDIR=`cygpath --path --windows "$PLEXUS_TMPDIR"`
  JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
fi

# For Darwin, use classes.jar for TOOLS_JAR
TOOLS_JAR="${JAVA_HOME}/lib/tools.jar"
if $darwin; then
  TOOLS_JAR="/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Classes/classes.jar"
fi

# ----- Execute The Requested Command -----------------------------------------

echo "Using PLEXUS_HOME:   $PLEXUS_HOME"
echo "Using PLEXUS_CONF:   $PLEXUS_CONF"
echo "Using PLEXUS_TMPDIR: $PLEXUS_TMPDIR"
echo "Using JAVA_HOME:     $JAVA_HOME"

if [ "$1" = "" ]
then
  CONF="${PLEXUS_CONF}/plexus.xml"
else
  CONF="$1"
fi

MAIN_CLASS=org.codehaus.classworlds.Launcher

exec "$JAVACMD" \
  $PLEXUS_OPTS \
  -classpath "${PLEXUS_HOME}"/core/boot/classworlds-*.jar \
  -Dclassworlds.conf="${PLEXUS_HOME}/conf/classworlds.conf"  \
  -Dplexus.core="${PLEXUS_HOME}/core" \
  -Dplexus.system.path="${PATH}" \
  -Djava.io.tmpdir="${PLEXUS_TMPDIR}" \
  -Dtools.jar="$TOOLS_JAR" \
  -Dplexus.home="${PLEXUS_HOME}" \
  $MAIN_CLASS ${CONF}