gedit_java_compile_and_run

#!/bin/sh

FILE_ROOT_PATH=$GEDIT_CURRENT_DOCUMENT_PATH
FILE_NAME=$GEDIT_CURRENT_DOCUMENT_NAME                      # file name 
PROJECT_DIR=${GEDIT_CURRENT_DOCUMENT_PATH%/src/*}           # project directory, src directory must be located under this 
BIN_PATH=$PROJECT_DIR/bin                                   # binary files directory(.class files)
SRC_PATH=$PROJECT_DIR/src                                   # source files directory(.java files)
PACKAGE_PATH=${GEDIT_CURRENT_DOCUMENT_PATH#*/src/}          # Path to the file under src file, e.g com/example/Test.java
QUALIFIED_CLASS_NAME=${PACKAGE_PATH//\//\.}
QUALIFIED_CLASS_NAME=${QUALIFIED_CLASS_NAME%*\.java}

printf "################################ PROJECT INFO ###################################\n"
printf "File name                : %s\n" "$FILE_NAME"
printf "File root path           : %s\n" "$FILE_ROOT_PATH"
printf "Qualified class name     : %s\n" "$QUALIFIED_CLASS_NAME"
printf "Package path             : %s\n" "$PACKAGE_PATH"
printf "Binary files directory   : %s\n" "$BIN_PATH"
printf "Source files directory   : %s\n" "$SRC_PATH"
printf "##################################################################################\n"

if ! [ -d  $BIN_PATH ] 
then
    mkdir $BIN_PATH 
fi

if [ $JAVA_HOME == "" ]
then
    echo "You need to install JDK."
else
    javac -classpath $SRC_PATH -d $BIN_PATH $FILE_ROOT_PATH
fi

if [ $? -eq 0 ]
then
    printf "\n\n"
    java -classpath $BIN_PATH $QUALIFIED_CLASS_NAME
fi