Okke Harsta oharsta

oharsta / StopWatchAdvice.java

Created March 31, 2016 15:56

StopWatch - without AspectJ - for every request (do not use in production)

	package aa.web;

	import org.springframework.core.MethodParameter;
	import org.springframework.http.MediaType;
	import org.springframework.http.converter.HttpMessageConverter;
	import org.springframework.http.server.ServerHttpRequest;
	import org.springframework.http.server.ServerHttpResponse;
	import org.springframework.http.server.ServletServerHttpRequest;
	import org.springframework.web.bind.annotation.ControllerAdvice;
	import org.springframework.web.filter.OncePerRequestFilter;

oharsta / JsonMapper.java

Created March 27, 2016 15:46

Inject singleton instance into Java (+8) classes

	import com.fasterxml.jackson.databind.ObjectMapper;
	import com.fasterxml.jackson.datatype.joda.JodaModule;
	import com.fasterxml.jackson.module.afterburner.AfterburnerModule;

	public interface JsonMapper {

	ObjectMapper mapper = ObjectMapperWrapper.init();

	class ObjectMapperWrapper {
	private static com.fasterxml.jackson.databind.ObjectMapper init() {

oharsta / AngularNonLatin1

Created January 31, 2015 06:15

Angular Validate non latin-1 chars

	<!doctype html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Form latin-1 input validation</title>

	<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.10/angular.min.js"></script>
	<script type="text/javascript">
	(function(angular) {
	'use strict';

oharsta / PrefixCalculator

Created October 8, 2014 15:19

	'use strict';

	angular.module('portal')
	.factory('PrefixCalculator', function () {

	/**
	* Sums up the prefixLengths given a specified bitSize
	*
	* @param prefixes prefixLength integers (e.g. 22, 39 etc)
	* @param bitSize the bitSize of the IP (e.g. 32 or 128)

oharsta / IPvXPrefixCalculator.scala

Last active August 29, 2015 14:07

Calculate the addition of IPv4 and IPv6 prefix lengths (e.g. a IPv4 /23 and a /23 result in a /22)

	object PrefixCalculator {

	def sumIpv4(ipv4Prefixes: Seq[Int]) : Int = doSumIpvX(ipv4Prefixes, 32)

	def sumIpv6(ipv6Prefixes: Seq[Int]) : Int = doSumIpvX(ipv6Prefixes, 128)

	private def doSumIpvX(prefixes: Seq[Int], bitSize: Int) : Int = {
	val addressSize = prefixes.map(prefix => Math.pow(2, bitSize - prefix)).sum
	(bitSize - (Math.log(addressSize) / Math.log(2))).floor.toInt
	}