jonmcewen’s gists

jonmcewen / avro serdes

Last active May 12, 2021 13:41

	private static <T extends SpecificRecord> T getSpecificRecord(
	String json, Schema writersSchema, Class<T> recordClass)
	throws IOException, NoSuchMethodException, InvocationTargetException, IllegalAccessException {

	Schema readersSchema = (Schema) recordClass.getMethod("getClassSchema").invoke(null);
	Decoder jsonDecoder = DecoderFactory.get().jsonDecoder(writersSchema, json);
	ResolvingDecoder resolvingDecoder = DecoderFactory.get().resolvingDecoder(writersSchema, readersSchema, jsonDecoder);
	DatumReader<T> reader = new SpecificDatumReader<>(recordClass);
	return reader.read(null, resolvingDecoder);
	}

jonmcewen / gist:1bf7751f3f7ba25442e6d7414a9dc3ad

Created May 10, 2021 09:34

pull all master

	set -e
	for dir in ../*
	do
	echo
	echo "=============="
	echo "$dir"
	echo "=============="
	git --git-dir=$dir/.git --work-tree=$PWD/$dir checkout master
	git --git-dir=$dir/.git --work-tree=$PWD/$dir pull
	git --git-dir=$dir/.git --work-tree=$PWD/$dir status -s

jonmcewen / DropwizardToMicrometerBridge.java

Last active September 30, 2024 10:58

Hacky bridge to grab dropwizard metrics and stick them into a micrometer registry. Add as a spring-boot Bean

	package com.boohoo.esbdefused.metrics;

	import java.util.Arrays;
	import java.util.concurrent.TimeUnit;

	import com.codahale.metrics.Counter;
	import com.codahale.metrics.Gauge;
	import com.codahale.metrics.Histogram;
	import com.codahale.metrics.Meter;
	import com.codahale.metrics.MetricRegistry;

jonmcewen / Java DateTimeFormatter to parse varying number of decimal places

Created December 13, 2016 08:38

	private static final DateTimeFormatter TIME_FORMATTER = new DateTimeFormatterBuilder().appendPattern("yyyy-MM-dd HH:mm:ss")
	.appendFraction(ChronoField.MICRO_OF_SECOND, 0, 6, true).appendPattern("X").toFormatter();

jonmcewen / springboot-camel-jms-jdbc-tx.java

Created December 16, 2015 13:44

Config for ChainedTransactionManager with Camel, JMS, JDBC

	import javax.jms.ConnectionFactory;
	import javax.sql.DataSource;

	import org.apache.activemq.ActiveMQConnectionFactory;
	import org.apache.activemq.RedeliveryPolicy;
	import org.apache.activemq.camel.component.ActiveMQComponent;
	import org.apache.activemq.pool.PooledConnectionFactory;
	import org.apache.camel.builder.RouteBuilder;
	import org.apache.camel.spring.spi.SpringTransactionPolicy;
	import org.springframework.boot.SpringApplication;

jonmcewen / cucumber-jvm-signed-integer-pattern.java

Created November 18, 2015 14:14

Example of a CucumberJVM step pattern for capturing a positive or negative number

	@When("^an Adjustment of \\+?(-?\\d+) is received$")
	public void an_Adjustment_of_x_is_received(int qty) throws Throwable {

	//send "qty" as input

	}

jonmcewen / springboot.py

Created September 25, 2015 08:51

nagios plugin for spring-boot app status

	#!/usr/bin/env python

	import requests, sys, getopt

	try:
	opts, args = getopt.getopt(sys.argv[1:], "p:", ["port="])
	except getopt.GetoptError:
	print('springboot.py -p <port>')
	sys.exit(2)

jonmcewen / Spring-boot-start-script.sh

Created August 25, 2015 07:23

	#!/bin/sh

	cd "`dirname "$0"`"

	jmxOpts="-Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.password.file=config/jmxremote.password"
	nohup java $jmxOpts -Djava.security.egd=file:/dev/./urandom -jar my-app-1.0.0.jar 1>/dev/null 2>stderr.log &

jonmcewen / gist:60f8576e192a9ff11d24

Created June 24, 2015 14:53

	import static com.codahale.metrics.MetricRegistry.name;

	import java.lang.management.ManagementFactory;
	import java.util.Collections;
	import java.util.Date;
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.Map;

	import javax.management.AttributeNotFoundException;

jonmcewen / gist:5270359

Last active December 15, 2015 13:49

frisby/jasmine-node problem

	When I run:
	$ jasmine-node --verbose .

	I get absolutely no output.

	Same with:

	$ jasmine-node --verbose frisby.spec.js

Jon McEwen jonmcewen