###############################################################################
#
# Description       : CMake build script for native java files
# Original author(s): Frank Bergmann <fbergman@caltech.edu>
# Organization      : California Institute of Technology
#
# This file is part of libSBML.  Please visit http://sbml.org for more
# information about SBML, and the latest version of libSBML.
#
# Copyright (C) 2013-2018 jointly by the following organizations:
#     1. California Institute of Technology, Pasadena, CA, USA
#     2. EMBL European Bioinformatics Institute (EMBL-EBI), Hinxton, UK
#     3. University of Heidelberg, Heidelberg, Germany
#
# Copyright (C) 2009-2013 jointly by the following organizations: 
#     1. California Institute of Technology, Pasadena, CA, USA
#     2. EMBL European Bioinformatics Institute (EMBL-EBI), Hinxton, UK
#  
# Copyright (C) 2006-2008 by the California Institute of Technology,
#     Pasadena, CA, USA 
#  
# Copyright (C) 2002-2005 jointly by the following organizations: 
#     1. California Institute of Technology, Pasadena, CA, USA
#     2. Japan Science and Technology Agency, Japan
# 
# This library is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation.  A copy of the license agreement is provided
# in the file named "LICENSE.txt" included with this software distribution
# and also available online as http://sbml.org/software/libsbml/license.html
#
###############################################################################

message("Creating: libsbml.jar")

# find all sources
file(GLOB_RECURSE SOURCE_FILES RELATIVE ${BIN_DIRECTORY} ${BIN_DIRECTORY}/java-files/org/sbml/libsbml/*.java)

# convert paths
set(NATIVE_FILES)
foreach(javaFile ${SOURCE_FILES})
  file(TO_NATIVE_PATH ${javaFile} temp)
  set(NATIVE_FILES ${NATIVE_FILES} ${temp})
endforeach()

# delete file if it exists
if (EXISTS ${BIN_DIRECTORY}/libsbml.jar)
  file(REMOVE ${BIN_DIRECTORY}/libsbml.jar)  
endif()

# figure out the compativility args to use
SET (COMPATIBILITY_ARGS)
if (COMPATIBILIY)
SET (COMPATIBILITY_ARGS ${COMPATIBILITY_ARGS} -source ${COMPATIBILIY} -target ${COMPATIBILIY})
endif()

# compile files
execute_process(
  
  COMMAND "${Java_JAVAC_EXECUTABLE}"
     ${COMPATIBILITY_ARGS}
     -d java-files
     ${NATIVE_FILES}
  
  ERROR_VARIABLE COMPILE_ERRORS
  
  WORKING_DIRECTORY "${BIN_DIRECTORY}"
)

if (NOT COMPILE_ERRORS STREQUAL "" AND COMPILE_ERRORS MATCHES "error")
  message (FATAL_ERROR 
"
Could not compile java wrappers:

${COMPILE_ERRORS}
")
endif()

# enumerate class files
file(GLOB_RECURSE CLASS_FILES RELATIVE ${BIN_DIRECTORY}/java-files ${BIN_DIRECTORY}/java-files/org/sbml/libsbml/*.class)
set(NATIVE_CLASS_FILES)
foreach(classFile ${CLASS_FILES})
  file(TO_NATIVE_PATH ${classFile} temp)
  set(NATIVE_CLASS_FILES ${NATIVE_CLASS_FILES} ${temp})
endforeach()

# create jar
execute_process(
  COMMAND "${Java_JAR_EXECUTABLE}"
     -cvfm ..${PATH_SEP}libsbmlj.jar
     ../Manifest.txt
     ${NATIVE_CLASS_FILES}
  WORKING_DIRECTORY "${BIN_DIRECTORY}/java-files"
)

# compile test runner

file(GLOB_RECURSE JAVA_TEST_FILES RELATIVE ${SRC_DIRECTORY} ${SRC_DIRECTORY}/test/*.java)
set(JAVA_TEST_FILES ${JAVA_TEST_FILES} 
   ${SRC_DIRECTORY}/AutoTestRunner.java 
   ${SRC_DIRECTORY}/TestPrintVersion.java
)
  
set(JAVA_NATIVE_FILES)
foreach(javaFile ${JAVA_TEST_FILES})
  file(TO_NATIVE_PATH ${javaFile} temp)
  set(JAVA_NATIVE_FILES ${JAVA_NATIVE_FILES} ${temp})
endforeach()

file(TO_NATIVE_PATH ${BIN_DIRECTORY}/libsbmlj.jar jar_file)
file(TO_NATIVE_PATH ${BIN_DIRECTORY} current_dir)
file(TO_NATIVE_PATH ${BIN_DIRECTORY}/test test_dir)
file(TO_NATIVE_PATH ${SRC_DIRECTORY}/TestPrintVersion.java print_version_src)

message("
  ${Java_JAVAC_EXECUTABLE}
     -cp ${jar_file}${FILE_SEP}${current_dir}
     ${COMPATIBILITY_ARGS}
     -d ${test_dir}
     ${JAVA_NATIVE_FILES}"
)

# compile files
execute_process(
  COMMAND "${Java_JAVAC_EXECUTABLE}"
     -cp ${jar_file}
     ${COMPATIBILITY_ARGS}
     -d ${test_dir}
     ${JAVA_NATIVE_FILES}
     WORKING_DIRECTORY "${SRC_DIRECTORY}"
)

# # print variables for debug purposes 
# message("BIN_DIRECTORY         : ${BIN_DIRECTORY}")
# message("Java_JAVAC_EXECUTABLE : ${Java_JAVAC_EXECUTABLE}")
# message("Java_JAR_EXECUTABLE   : ${Java_JAR_EXECUTABLE}")