Integrating 2Checkout Payment Gateway in a Spring Boot Application - java

I am trying to integrate 2Checkout payment gateway into my Spring Boot application, but I am having difficulty finding up-to-date and comprehensive documentation online. Can anyone provide guidance or share their experience with integrating 2Checkout and Spring Boot? What are the key steps involved and what resources would be helpful?

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Java based client for Project reactor in pre Sping boot 2?

So far I have seen examples for clients to use spring-webflux in spring boot 2 which has WebClient and WebTestClient. I've got consumers who still use Spring boot 1.5 and wants to use reactive services written in Spring boot 1.5 on the server. We can't upgrade our services to spring boot 2 due to third-party libraries we use. Looking for client examples which consume Flux APIs? Can anyone share the examples?

Integrating Spring Boot with OpenAM(ForgeRock)

I am new to spring security but the scenario I am trying to achieve is to provide basic authentication/authorization(security). The user story requires integration of ForgeRock OpenAM(mandatory) for security. Scenario: I have a spring boot microservice which exposes APIs to allow a UI to connect to a server. How can I include OpenAM within spring boot REST service so that I can provide basic security? What all do I require to achieve the same?
You can use OAuth2 or OIDC to integrate your REST-Service with OpenAM.
For information on OAuth2 and REST look at this e.g.: https://content.pivotal.io/blog/securing-restful-web-services-with-oauth2
For information on using OAuth2 with OpenAM look here: https://backstage.forgerock.com/docs/am/5.5/oauth2-guide/
Same for OIDC with OpenAM: https://backstage.forgerock.com/docs/am/5.5/oidc1-guide/
Hope I could help you :)
There are probably plenty of ways to do that: Some Forgerock plugins, let gateways do the AuthX, SAML2, OAuth2/OIDC, ...
The way I'd recommend is to stick to standards - because they are interchangeable and you can apply them to any application or use them with every modern identity provider.
I personally favor OIDC (aka. OpenID Connect, which is based on OAuth2) for an SSO in applications. There are plenty of good resources on how to setup OIDC/OAuth2 with OpenAM and same for Spring Security.
Here are some links that will help you to learn about it:
To learn about OIDC the standard has a pretty good website linking to good resources: https://openid.net/connect/
Same for OAuth2: https://www.oauth.com
Baeldung Spring Security OIDC example: https://www.baeldung.com/spring-security-openid-connect
OIDC Guide for OpenAM by Forgerock: https://wikis.forgerock.org/confluence/display/openam/OpenID+Connect+Quick+Start

Advice needed - Jersy or Spring for google cloud technologies?

We have few services on Google App Engine(GAE) and few on Google Container Engine (GKE).
The one on GKE is a sort of indexing service RESTful API and runs in background once triggered. It is an RESTful endpoint developed using Jersy.
my confusion and question is, Is migrating this to spring boot beneficial ? I see advantages of spring as DI, aop, exception handling etc. plus I have worked on it before inclines me more towards choosing spring :p
In contrast , if continue using jesrsy, we have to adopt guice for DI and I don't have much idea if we can do anything sort of aop and security (maybe using filters etc)
Please let me know your views/experiences on this.
Thanks In advance!
You don't necessarily have to use Guice if you keep using Jersey, Spring integrates very well with Jersey even before Spring Boot was released.
Spring Boot provides a Jersey starter that makes integration easier: spring-boot-starter-jersey
And if you are curious, I published a while back a post about Spring Boot, Jersey, Swagger and Docker

JHipster and SAML Integration

Just wondering if anyone has successfully implemented SAML integration in a JHipster application?
If so are there any samples or good tutorials I could follow?

Steam OpenId authentication with angularjs and spring boot backend

I'm a spring beginner, but for educational purposes I'm writing an app using AngularJS for frontend and springboot for backend. My app is connected with spring community and I want to add logging user with Steam. This is a place where I stucked and need advice, help or example. Can you provide me a quick 'how-to'?

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