#!/bin/sh
#
# Copyright 2019, California Institute of Technology ("Caltech").
# U.S. Government sponsorship acknowledged.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions must reproduce the above copyright notice, this list of
# conditions and the following disclaimer in the documentation and/or other
# materials provided with the distribution.
# * Neither the name of Caltech nor its operating division, the Jet Propulsion
# Laboratory, nor the names of its contributors may be used to endorse or
# promote products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# Bourne Shell script that allows easy execution of the lddtool Tool
# without the need to set the CLASSPATH or having to type in that long java
# command (java gov.nasa.pds.lddtool ...)

# Expects the DMDocument jar file to be in the ../lib directory.

# Set the JAVA_HOME environment variable here in the script if it will 
# not be defined in the environment.
if [ -z "${JAVA_HOME}" ]; then
   JAVA_CMD=`which java`
   if [ $? -ne 0 ]; then
     echo "JAVA_HOME is not set as an environment variable"
     exit 1
   fi
else
   JAVA_CMD="${JAVA_HOME}"/bin/java
fi

# Setup environment variables.
export SCRIPT_DIR=`dirname $0`
export PARENT_DIR=`cd ${SCRIPT_DIR}/.. && pwd`
export LIB_DIR=${PARENT_DIR}/lib

# Check for dependencies.
if [ ! -f "${LIB_DIR}"/DMDocument.jar ]; then
    echo "Cannot find DMDocument jar file in ${LIB_DIR}"
    exit 1
fi

# Finds the jar file in LIB_DIR and sets it to DMDOC_JAR.
DMDOC_JAR=`ls "${LIB_DIR}"/DMDocument.jar`

# Executes lddtool via the executable jar file
# Arguments are passed in to the tool via '$@'
"${JAVA_CMD}" -Ddata.home=${PARENT_DIR}/Data -jar "${DMDOC_JAR}" "$@"

