maciejwalkowiak’s gists

maciejwalkowiak / Single Connection DataSource in Spring Boot.java

Created February 25, 2024 13:33

	@Bean
	SimpleDriverDataSource simpleDriverDataSource(JdbcConnectionDetails properties) {
	SimpleDriverDataSource simpleDriverDataSource = new SimpleDriverDataSource();
	simpleDriverDataSource.setUrl(properties.getJdbcUrl());
	simpleDriverDataSource.setDriver(new org.postgresql.Driver());
	simpleDriverDataSource.setUsername(properties.getUsername());
	simpleDriverDataSource.setPassword(properties.getPassword());
	return simpleDriverDataSource;
	}

maciejwalkowiak / RequestResponseSpec.java

Last active December 31, 2023 12:49

	package com.maciejwalkowiak.wiremock.spring;

	import com.fasterxml.jackson.core.JsonProcessingException;
	import com.fasterxml.jackson.databind.ObjectMapper;
	import com.github.tomakehurst.wiremock.client.MappingBuilder;
	import com.github.tomakehurst.wiremock.junit.Stubbing;
	import com.github.tomakehurst.wiremock.matching.RequestPatternBuilder;
	import com.github.tomakehurst.wiremock.matching.StringValuePattern;

	import org.springframework.http.HttpStatus;

maciejwalkowiak / ImdsUtilsIntegrationTests.java

Created December 10, 2023 23:06

IMDS + Wiremock

	package io.awspring.cloud.autoconfigure.imds;

	import java.net.URI;

	import com.github.tomakehurst.wiremock.WireMockServer;
	import org.junit.jupiter.api.AfterEach;
	import org.junit.jupiter.api.BeforeEach;
	import org.junit.jupiter.api.Test;
	import software.amazon.awssdk.imds.Ec2MetadataClient;

maciejwalkowiak / CapturingResponseWrapper.java

Last active December 31, 2023 12:59

	import java.io.ByteArrayOutputStream;
	import java.io.IOException;
	import java.io.OutputStreamWriter;
	import java.io.PrintWriter;

	import jakarta.servlet.ServletOutputStream;
	import jakarta.servlet.WriteListener;
	import jakarta.servlet.http.HttpServletResponse;
	import jakarta.servlet.http.HttpServletResponseWrapper;

maciejwalkowiak / SocketUtils.java

Last active December 31, 2023 13:00

	import java.net.InetAddress;
	import java.net.InetSocketAddress;
	import java.net.ServerSocket;

	public class SocketUtils {

	public static int findFreePort(int minPort, int maxPort) {
	for (int i = minPort; i < maxPort; i++) {
	if (isPortAvailable(i)) {
	return i;

maciejwalkowiak / WebJarsHints.java

Created November 27, 2022 09:02

	import org.springframework.aot.hint.MemberCategory;
	import org.springframework.aot.hint.RuntimeHints;
	import org.springframework.aot.hint.RuntimeHintsRegistrar;
	import org.springframework.aot.hint.TypeReference;

	import java.util.List;

	public class WebJarsHints implements RuntimeHintsRegistrar {
	@Override
	public void registerHints(RuntimeHints hints, ClassLoader classLoader) {

maciejwalkowiak / demo.tape

Created November 1, 2022 10:06

Sample tape for https://github.com/charmbracelet/vhs

maciejwalkowiak / measure.sh

Last active October 28, 2022 12:24

	START=$(date +%s.%N)
	while [ "$(curl -s -o /dev/null -L -w ''%{http_code}'' http://localhost:8080/hello)" != "200" ];
	do sleep 0.001;
	done
	END=$(date +%s.%N)
	DIFF=$(echo "($END - $START) * 1000" \| bc)
	echo "Measured"
	echo $DIFF

maciejwalkowiak / GetRequestGraphQlHttpHandler.java

Last active October 13, 2022 09:51

Support for GET requests in Spring for GraphQL

	import java.util.Arrays;
	import java.util.List;
	import java.util.Map;

	import org.apache.commons.logging.Log;
	import org.apache.commons.logging.LogFactory;
	import reactor.core.publisher.Mono;

	import org.springframework.context.i18n.LocaleContextHolder;
	import org.springframework.graphql.server.WebGraphQlHandler;

maciejwalkowiak / ConcurrentLruMap.java

Created July 15, 2022 11:35

	package io.awspring.cloud.s3.crossregion;

	import java.util.concurrent.ConcurrentHashMap;
	import java.util.concurrent.ConcurrentLinkedDeque;
	import java.util.concurrent.locks.ReadWriteLock;
	import java.util.concurrent.locks.ReentrantReadWriteLock;

	import org.springframework.lang.Nullable;
	import org.springframework.util.Assert;

Maciej Walkowiak maciejwalkowiak