I used to work in a company where we use this swagger-input file and this is where we declare all the endpoints and all of the class files will be automatically generated once we built our maven project.
I always wanted to know how to set this up by myself and I haven't figured it out even if my task was to create a new microservice. We always used a custom archetype when generating maven projects and I assumed that is where it was all setup(ed?).
I've been searching for tutorials on how to do this but it would really be of great help if someone could point me in the right direction for this. Thank you for your time.
As part of small project i need to provide a micro service to create/generate maven based java projects (something similar to Spring Initializr but a basic one ).
Since my aim is to just get a maven project, i came across Maven Invoker which looks like would serve my purpose. The question that i have is, if i have to host on heroku or aws/gce would it work? I ask because they look like need maven installed on the host where it is deployed , or am i wrong. Any help would be appreciated.
I used to work with Monolithic architecture and I don't have experience with Microservices. I need to create project with some modules (microservices).
auth
messages
I use IntelliJ IDEA for my project.
Can you explain me what is the best practice for microservices project structure in this IDE?
Should I use Maven or it is better to add IntelliJ IDEA project modules?
There are no right or wrong answer but in a monolith, you will probably end up with a structure like this (Domain Driven - Profile Domain, BankAccountDomain):
main
profile
model
Profile.java
ProfileRequest.java
ProfileResponse.java
ProfileController.java
ProfileService.java
ProfileRepository.java
bankaccount
model
BankAccount.java
BankAccountRequest.java
BankAccountResponse.java
BankAccountController.java
BankAccountService.java
BankAccountRepository.java
test
What you can do if you go to the extreme of microservice have each domain as a seperate microservice
You can use grade or maven to have different projects (microservice) within the same repo if thats what you are looking for.
https://docs.gradle.org/current/userguide/multi_project_builds.html
I'm starting to develop a new web app application with Vaadin and Spring, but I can't find an maven archetype for this.
Can you give me some assistance?
There is no such archetype. In fact, just to get those two frameworks working together at all, you're either going to need to go all wild-west and do it yourself (what I did) or use a plugin to get it working.
Here's the SpringVaadinIntegration plugin.. It takes an interesting approach to integrating Spring scopes with Vaadin sessions. The sample project for that plugin will be especially helpful for you to look at.
If you want to do it the do-it-yourself way, I can tell you that I divorced my vaadin from my spring as much as possible. Essentially I created some classes with static references to my spring singleton-scoped beans, and used those static methods for accessing my spring beans from Vaadin.
I'm trying to get started with JAVA/Eclipse/Spring MVC but can't seem to find a "dummies" or "step-by-step" guide for setting everything up and creating the simplest proof-of-concept application.
I found http://static.springsource.org/docs/...-step-by-step/ but there seem to be differences between Spring 2.5 and Spring 3 so i'm looking for something for Spring 3.
Also, the tutorial for Spring 2.5 focuses on building the application usign Ant - This i will certainly be doing for releasing but when working within Eclipse i want to have set up the project so that i can use breakpoints/debugging and this is not covered at all.
I've downloaded Eclipse, Tomcat and the Spring 3 Framework but that's about it and within the downloaded Spring Framework documentation it states:
2.3 New getting started tutorial
There is now a new getting started tutorial
for developing a basic Spring 3.0 MVC
web application. This tutorial is a
separate document that can be found at
the Spring Documentation page
However, i can't seem to find such a tutorial on the linked page. My main problem at the moment, as seems to be the case for many people trying to get started with Spring, is that i can't seem to get everything set up.
I've got a copy of Expert Spring MVC and Web Flow and i've also found this tutorial but i don't know if the setups they describe are still relevant and whether they will allow debugging.
Can anyone please give some direction?
Thanks
Get the mvc-basic or the petcare sample apps from the Spring Samples SVN repository. These samples have been updated to Spring 3.0 and are directly importable & runnable with SpringSource Tool Suite.
I am also started to learn Spring 3.0 and i am not getting any help means any tutorials. but i find this site http://viralpatel.net/blogs/2010/06/spring-3-mvc-create-hello-world-application-spring-3-mvc.html and its very help full for start up development. but still i am finding another example so that i come to know more about it
if anybody knows some example in spring 3.0 then please provide me.
Thanks
Dhrumil Shah
These days, I think the easiest way to find out how to set up a spring application is by trying out Spring Roo. It may not be what you finally end up using when coding your project but it shows you exactly how to setup a Spring MVC web app.
I've also been looking all over for a full Spring MVC 3.0 tutorial with Eclipse that I could follow and haven't had too much luck in my research. The closest and most helpful example that I could find is here: http://krams915.blogspot.com/2011/01/spring-mvc-3-hibernate-annotations.html. This is also a maven project, but I was able to move some things around in my Dynamic Web Project within Eclipse and at least get the initial page to come up. Currently, I'm having issues with spring finding my controller class, but I think that's a part of changing the configuration files to meet my project needs. But try it and I hope it works for you!
I found these tutorials really helpful:
http://krams915.blogspot.ch/p/tutorials.html
I wanted to use REST and MongoDB and followed following tutorial with success:
http://krams915.blogspot.ch/2012/01/spring-mvc-31-implement-crud-with_4739.html
I hope it helps. I know how you feel :) Had the same issues. But it's worth sticking with Spring and learning it. It's a great framework once you know it.
Personally I made not so good experiences using Spring Roo. It can help you maybe a little bit for investigation how to setup a project but if you are new to Aspect Oriented Development you'll have a hard time figuring out what Spring Roo does. It can help you to setup a project really fast and easy but if you don't understand what's behind the facade it's hard working with it. This is not really for a beginner and no necessity for any project. But Aspect Oriented Development is worth wile learning and can be very useful to avoid boiler plate code.
Another route might be use appfuse, specifically using maven to generate the application template code from the appfuse archetype. E.g. this link.
There is a major difference in Spring 2.5 and Spring 3.x, Spring 3 or later introduces Annotations based bean wiring and dependency injection.
The nice step by step tutorial i found is http://www.journaldev.com/3531/spring-mvc-hibernate-mysql-integration-crud-example-tutorial