bastman’s gists

bastman / PersonQueryResolver.kt

Last active July 5, 2018 04:22

spring-graphql-hack-custom-scalartypes

	package com.example.demo.graphql

	import com.coxautodev.graphql.tools.GraphQLQueryResolver
	import org.springframework.stereotype.Component
	import java.util.*

	@Component
	class PersonQueryResolver(
	private val repo: PersonRepo
	) : GraphQLQueryResolver {

bastman / application.yml

Created February 11, 2018 08:06

spring-boot jpa hibernate postgres fix: LobCreatorBuilderImpl : HHH000424: Disabling contextual LOB creation as createClob() method threw error

	# LobCreatorBuilderImpl : HHH000424: Disabling contextual LOB creation as createClob() method threw error
	# see: http://vkuzel.blogspot.de/2016/03/spring-boot-jpa-hibernate-atomikos.html
	# Disable feature detection by this undocumented parameter. Check the org.hibernate.engine.jdbc.internal.JdbcServiceImpl.configure method for more details.
	spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults: false
	# Because detection is disabled you have to set correct dialect by hand.
	spring.jpa.database-platform: org.hibernate.dialect.PostgreSQL9Dialect

bastman / auth0.kt

Last active March 3, 2023 09:48

kotlin-spring-security-auth0-api-utils: extensions for auth0 (e.g. handle custom claims)

	package com.example.auth0utils

	import com.auth0.jwk.JwkProviderBuilder
	import com.auth0.jwt.JWT
	import com.auth0.jwt.JWTVerifier
	import com.auth0.jwt.exceptions.JWTDecodeException
	import com.auth0.jwt.exceptions.JWTVerificationException
	import com.auth0.jwt.interfaces.DecodedJWT
	import com.auth0.spring.security.api.JwtAuthenticationEntryPoint
	import com.auth0.spring.security.api.JwtAuthenticationProvider

bastman / beanValidationTestUtils.kt

Last active February 6, 2018 14:54

spring testutils beanValidation (Kotlin) - How to construct a LocalValidatorFactoryBean (extends org.springframework.validation.Validator)

	package com.example.testutils.beanvalidation

	import org.hibernate.validator.HibernateValidator
	import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean

	fun localValidatorFactoryBean():LocalValidatorFactoryBean {
	val validator= LocalValidatorFactoryBean()
	validator.setProviderClass(HibernateValidator::class.java)
	validator.afterPropertiesSet()
	return validator

bastman / loadResource.kt

Created January 31, 2018 12:57

Kotlin function to load content of a packaged resource

	fun loadResource(resource: String): String =
	try {
	object {}.javaClass.getResource(resource)
	.readText(Charsets.UTF_8)
	} catch (all: Exception) {
	throw RuntimeException("Failed to load resource=$resource!", all)
	}

bastman / jsonAssertions.kt

Created January 31, 2018 12:55

Kotlin extensions for json based assertions

	// Example: jsonExpected shouldEqualJson jsonGiven


	import com.fasterxml.jackson.databind.ObjectMapper
	import com.fasterxml.jackson.databind.SerializationFeature
	import com.fasterxml.jackson.datatype.jdk8.Jdk8Module
	import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
	import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
	import com.fasterxml.jackson.module.kotlin.readValue
	import org.amshove.kluent.shouldEqual

bastman / optionalToNullable.kt

Created January 31, 2018 10:39

Kotlin extension function to convert Java8 Optional<T> to Kotlin nullable T?

	fun <T : Any> Optional<T>.toNullable(): T? {
	return if (this.isPresent) {
	this.get()
	} else {
	null
	}
	}

bastman / collections.kt

Last active February 1, 2023 03:15

kotlin: How to join 2 collections by a foreign key predicate

	data class Off(val id: Int, val offName: String)
	data class Prop(val id: Int, val propName: String, val offId: Int)
	data class Joined(val off: Off, val props: List<Prop>)

	fun main(args: Array<String>) {
	val offs: List<Off> = listOf(
	Off(id = 1, offName = "Off A"),
	Off(id = 2, offName = "Off B")
	)
	val props: List<Prop> = listOf(

bastman / jwtUntrusted.kt

Last active March 26, 2024 07:40

kotlin parse jwt untrusted - ignore signature

	// see: https://github.com/auth0-blog/spring-boot-jwts/blob/master/src/main/java/com/example/security/TokenAuthenticationService.java

	//Example:
	val json:String= JwtUntrusted.parseClaimsUntrustedToJson("Bearer xxx")

	object JwtUntrusted {
	// requires (gradle): compile group: 'io.jsonwebtoken', name: 'jjwt', version: '0.9.0'
	private val JSON = jacksonObjectMapper()

	fun removeSignature(jwt:String) = jwt.replaceAfterLast(".", "").trim()

bastman / setup_osx.md

Last active December 6, 2017 08:43

setup-osx (developer tools)

# java latest (>=9)
$ brew cask info java
$ brew cask install java

# java specific version (e.g. java8)
$ brew tap caskroom/versions
$ brew cask search "java*"
$ brew cask install java8 # you may need to change JAVA_HOME afterwards

Seb Schmidt bastman