gkm.js

'use strict';

// TODO: Verify if we're getting loaded from multiples location and prevent creating new child processes?

var EventEmitter2 = require('eventemitter2').EventEmitter2;
var path = require('path');
var spawn = require('child_process').spawn;

var events = new EventEmitter2({wildcard: true});
var javaPath = '';
var gkm;

function start() {
	gkm = spawn(javaPath + 'java', ['-jar', path.join(__dirname, 'lib/gkm.jar')]);
	
	gkm.stdout.on('data', function(data) {
		data = data.toString().split(/\r\n|\r|\n/).filter(function(item) { return item; });
		for (var i in data) {
			var parts = data[i].split(':');
			events.emit(parts[0], parts.slice(1));
		}
	});
}

function stop() {
	gkm.kill('SIGINT');
}

function setJavaPath(path) {
	if (typeof path === 'string') {
		javaPath = path;
	} else {
		console.error("path must be a string");
	}
}

start();

module.exports = {
	events: events, 
	stop: stop, 
	start: start
};