jvmvik’s gists

jvmvik / SimpleBeanMapper.java

Created August 2, 2013 21:01

Simple Bean Mapper ---- Turn a Map<String, String> into an instance of any object an object. * key is the property name * value is the value associate to the property A key "class" must refer to the class name that must be instantiated

	package io.milkyway.spendtracker.servlet;

	import java.beans.*;
	import java.io.IOException;
	import java.lang.reflect.InvocationTargetException;
	import java.lang.reflect.Method;
	import java.lang.reflect.Type;
	import java.util.Map;

	/**

jvmvik / Groovy mocking static method

Created October 1, 2013 17:30

Groovy mocking static method. This is a fairly good example of how to correctly mock any groovy object without destroying your all regression.

	/*
	* Groovy Test Mocking explains.
	*
	* A modification of metaClass static method apply to the class inside the JVM.
	* You run your test with fork mode enabled, each test is isolated from another at the leve of a class or method.
	* However you can delete the metaClass behavior by
	* MyClass.metaClass = null
	*
	* Must know
	* - The metaClass method signature is very important. The documentation does not higlight that the method signature must match exactely:

jvmvik / SimpleTemplate.groovy

Last active December 28, 2015 08:09

Very basic template engine... I wrote this to replace the horrible Groovy Template Engine. This is not designed to solve a large scope of problem.

	import java.nio.charset.Charset
	import java.nio.file.Files
	import java.nio.file.Path
	import java.nio.file.StandardOpenOption

	/**
	* Simple template parser.
	*
	* This parser offer to:
	* - Replace $variable by the value

jvmvik / InteractiveRollingFileAppender.java

Created November 25, 2013 23:03

Add log4j capability to append two event message on a single line in the console output. Example: log.info("hello \n"); log.info("world !"); Results: [INFO] hello world !


	import org.apache.log4j.RollingFileAppender
	import org.apache.log4j.helpers.CountingQuietWriter
	import org.apache.log4j.spi.LoggingEvent

	/**
	* Interactive file appender
	*
	* Provide a capability to append two event message on a single line in a log file.
	*

jvmvik / Experiment.groovy

Created December 5, 2013 18:15

Algorithm in Groovy to create union and exclusion, and intersection between map and list.

	class Experiment
	{
	/**
	* Experiment algorithm in Groovy
	* to create union and exclusion,
	* intersection between map and list.
	*/
	@Test
	void code()
	{

jvmvik / BeanToJson.java

Last active December 30, 2015 21:09

Convert a POJO to a JsonObject (GSON 2.4 library...)

	package io.milkyway.mongo.json;

	import com.google.gson.JsonObject;

	import java.beans.BeanInfo;
	import java.beans.IntrospectionException;
	import java.beans.Introspector;
	import java.beans.PropertyDescriptor;
	import java.io.Serializable;
	import java.lang.reflect.InvocationTargetException;

jvmvik / ngResourceCallback.js

Created February 13, 2014 14:37

	/***
	* How to add a callback to AngularJS $resource.
	*
	* Promises enables to add success and failure callback
	* after the execution of $resource method.
	*/
	var app = angular.module("application", ['ngResource']);

	app.factory('$crud', function ($resource) {
	return $resource('url', {}, {

jvmvik / JavaPathDotTest.java

Last active August 29, 2015 13:56

here a bug found in JDK 7.45 on Windows. I'm running Groovy 2.2.1 on the top of the JVM.

	import org.junit.Test

	import java.nio.file.FileVisitResult
	import java.nio.file.Path
	import java.nio.file.Paths

	/***
	* Bug with directory starting by '.'
	*
	* Here is test to reproduce this issue.

jvmvik / app.js

Last active August 29, 2015 14:00

AngularJS and Websocket service implementation example... This example shows only the fronted

	/**
	* Created by victor on 1/19/14.
	*/
	var app = angular.module('app', []);

	app.factory('ChatService', function () {
	var service = {};

	service.connect = function ()
	{

jvmvik / tar-them.sh

Created June 10, 2014 19:26

Bash script to tar multiples directories supplied by the user in a single command...

	#!/bin/bash

	if [ $# -eq 0 ]
	then
	echo "No directory supplied..."
	fi

	for f in $*;
	do
	echo "Compressing: $f";