find_package(Java REQUIRED)

find_package(JNI REQUIRED)

# Allow the Java compiler flags to be set using an environment variable

if(NOT DEFINED CMAKE_JAVA_COMPILE_FLAGS AND DEFINED ENV{JAVAFLAGS})

  set(CMAKE_JAVA_COMPILE_FLAGS $ENV{JAVAFLAGS})

endif()

include(UseJava)

set(CMAKE_JAVA_COMPILE_FLAGS "${CMAKE_JAVA_COMPILE_FLAGS} -J-Dfile.encoding=UTF8")

message(STATUS "CMAKE_JAVA_COMPILE_FLAGS = ${CMAKE_JAVA_COMPILE_FLAGS}")

string(REGEX REPLACE " " ";" CMAKE_JAVA_COMPILE_FLAGS "${CMAKE_JAVA_COMPILE_FLAGS}")

set(JAVAARGS "" CACHE STRING "Additional arguments to pass to java when running unit tests (example: -d32)")

message(STATUS "JAVAARGS = ${JAVAARGS}")

set(JAVA_SOURCES org/libjpegturbo/turbojpeg/TJ.java

  org/libjpegturbo/turbojpeg/TJCompressor.java

  org/libjpegturbo/turbojpeg/TJCustomFilter.java

  org/libjpegturbo/turbojpeg/TJDecompressor.java

  org/libjpegturbo/turbojpeg/TJException.java

  org/libjpegturbo/turbojpeg/TJScalingFactor.java

  org/libjpegturbo/turbojpeg/TJTransform.java

  org/libjpegturbo/turbojpeg/TJTransformer.java

  org/libjpegturbo/turbojpeg/YUVImage.java

  TJUnitTest.java

  TJExample.java

  TJBench.java)

set(TURBOJPEG_DLL_NAME "turbojpeg")

if(MINGW)

  set(TURBOJPEG_DLL_NAME "libturbojpeg")

endif()

if(WIN32)

  configure_file(org/libjpegturbo/turbojpeg/TJLoader-win.java.in

    ${CMAKE_CURRENT_BINARY_DIR}/org/libjpegturbo/turbojpeg/TJLoader.java)

else()

  configure_file(org/libjpegturbo/turbojpeg/TJLoader-unix.java.in

    ${CMAKE_CURRENT_BINARY_DIR}/org/libjpegturbo/turbojpeg/TJLoader.java)

endif()

set(JAVA_SOURCES ${JAVA_SOURCES}

  ${CMAKE_CURRENT_BINARY_DIR}/org/libjpegturbo/turbojpeg/TJLoader.java)

if(MSYS)

  # UGLY HACK ALERT: If we don't do this, then UseJava.cmake will separate

  # class path members with a semicolon, which is interpreted as a command

  # separator by the MSYS shell.

  set(CMAKE_HOST_SYSTEM_NAME_BAK ${CMAKE_HOST_SYSTEM_NAME})

  set(CMAKE_HOST_SYSTEM_NAME "MSYS")

endif()

add_jar(turbojpeg-java ${JAVA_SOURCES} OUTPUT_NAME turbojpeg

  ENTRY_POINT TJExample)

if(MSYS)

  set(CMAKE_HOST_SYSTEM_NAME ${CMAKE_HOST_SYSTEM_NAME_BAK})

endif()

add_custom_target(javadoc COMMAND

  javadoc -notimestamp -d ${CMAKE_CURRENT_SOURCE_DIR}/doc -sourcepath ${CMAKE_CURRENT_SOURCE_DIR} org.libjpegturbo.turbojpeg)

set(JAVACLASSPATH ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/turbojpeg-java.dir)

if(Java_VERSION_MAJOR GREATER 9)

  add_custom_target(javah

    COMMAND javac -h ${CMAKE_CURRENT_SOURCE_DIR} -classpath ${JAVACLASSPATH}

      -d ${CMAKE_CURRENT_BINARY_DIR}/__unused

      ${CMAKE_CURRENT_SOURCE_DIR}/org/libjpegturbo/turbojpeg/TJ.java

      ${CMAKE_CURRENT_SOURCE_DIR}/org/libjpegturbo/turbojpeg/TJCompressor.java

      ${CMAKE_CURRENT_SOURCE_DIR}/org/libjpegturbo/turbojpeg/TJDecompressor.java

      ${CMAKE_CURRENT_SOURCE_DIR}/org/libjpegturbo/turbojpeg/TJTransformer.java)

else()

  add_custom_target(javah

    COMMAND javah -d ${CMAKE_CURRENT_SOURCE_DIR} -classpath ${JAVACLASSPATH} org.libjpegturbo.turbojpeg.TJ

    COMMAND javah -d ${CMAKE_CURRENT_SOURCE_DIR} -classpath ${JAVACLASSPATH} org.libjpegturbo.turbojpeg.TJCompressor

    COMMAND javah -d ${CMAKE_CURRENT_SOURCE_DIR} -classpath ${JAVACLASSPATH} org.libjpegturbo.turbojpeg.TJDecompressor

    COMMAND javah -d ${CMAKE_CURRENT_SOURCE_DIR} -classpath ${JAVACLASSPATH} org.libjpegturbo.turbojpeg.TJTransformer)

endif()

if(NOT DEFINED CMAKE_INSTALL_DEFAULT_JAVADIR)

  set(CMAKE_INSTALL_DEFAULT_JAVADIR "<cmake_install_datarootdir>/java")</cmake_install_datarootdir>

endif()

GNUInstallDirs_set_install_dir(JAVADIR

  "The directory into which Java classes should be installed")

GNUInstallDirs_get_absolute_install_dir(CMAKE_INSTALL_FULL_JAVADIR

  CMAKE_INSTALL_JAVADIR)

set(CMAKE_INSTALL_JAVADIR ${CMAKE_INSTALL_JAVADIR} PARENT_SCOPE)

set(CMAKE_INSTALL_FULL_JAVADIR ${CMAKE_INSTALL_FULL_JAVADIR} PARENT_SCOPE)

report_directory(JAVADIR)

install_jar(turbojpeg-java ${CMAKE_INSTALL_JAVADIR})

mark_as_advanced(CLEAR CMAKE_INSTALL_JAVADIR)