package main

import (
	"errors"
	"fmt"
	"io/ioutil"
	"os"
	"strings"
)

func getConfigMap(configFile string) (configMap map[string]string, err error) {
	// get file stats
	var stat os.FileInfo
	stat, err = os.Stat(configFile)
	if err != nil {
		return
	}

	if stat.IsDir() {
		err = errors.New(configFile + " is a directory")
		return
	}

	// reading the file
	var data []byte
	data, err = ioutil.ReadFile(configFile)
	if err != nil {
		return
	}

	lines := strings.Split(string(data), "\n")

	configMap = make(map[string]string)
	for _, line := range lines {
		ei := strings.Index(line, "=")
		if ei == -1 {
			break
		}
		configMap[line[:ei]] = line[ei+1:]
	}

	return
}

func main() {
	fmt.Println(getConfigMap("test.properties"))
}