We have an application that uses both rest API and soap API. At a time we use either of them, but the requirement is to change it when needed. So, the question is there a way to use a single API that can handle REST and SOAP requests, so that we can use either of them depending on our condition in spring boot?
I have tried to call using single rest API. My expectation is to find a mechanism that can handle both soap and rest requests.
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We have few existing rest apis written in spring boot to fetch different data in our project? Now we are exploring options to use GraphQL. But we don't want rest endpoints & response to change since it is being consumed by many UI/backend applications. Can anyone suggest proper way to use GraphQL within existing API without changing rest endpoints and Response type?
which is better alternative for calling REST endpoint in springboot application, calling REST endpoints using WebClient or calling REST endpoints using RestTemplate ?
Spring’s documentation recommends using WebClient, but that’s only a valid recommendation for reactive apps. If you aren’t writing a reactive app, use OpenFeign instead. Like anything else in software, it fits well for some cases, but might complicate things for others. Choosing WebClient to implement the REST endpoint calls is strongly coupled to making your app reactive
RestTemplate gives many advantages if you are using it from within Springboot application, i.e. in your server side to another part of your own app - sort of like an internal call. Because the RestTemplate "knows" all your entities and beans and so if you need to send over or receive an object which is known within your springboot application RestTemplate can map them automatically which is a very nice advantage. If you sending a request to some third party api and do not pass or receive your known entities RestTemplate is still a valid option but it just becomes just another Http client. Its just simply there as part of Springboot provided tools. But in this case you may use any other client as well.
We want to build a rest API to service high request volumes. I'm planning to build it using Spring Reactive(WebFlux) or using Spring Boot Async. We have multiple different clients who will be invoking our service.
Do I need to worry about different clients who will be consuming this service? Meaning if I build the API using Reactive or Async, will all the clients be able to consume this seemlessly?
Meaning if build a reactive Rest API, will the client using RestTemplate be able to consume or do they need to use WebClient only?
Yes, your (not non blocking) clients will still be able to consume a reactive service.
I have a spring mvc application which runs correctly,now another colleague wants to call the same functions from another application but he needs REST URL of my functions.
how is it possible to provide the same functionality through spring REST?
is it just with new annotations .please provide some resource to show me how to do it.
when server has a service, only legal clients which had any contracts with server can access it. And clients can use service by the way such as: use RestTemplate to get/post request to URL of service, and clients can get data as JSON, or XML type if you have an equivalent object as this image:
Also, a service can be support as a interface, ex: google search is a service supported by google, but it's not rest service.
If you know each other URL address you can consume each other REST API from java code by using RestTemplate object.
I would advise you to go over the Spring starter guide which deals with that issue, here is the link (Consuming a RESTful Web Service):
https://spring.io/guides/gs/consuming-rest/
My application exposes a RESTful API which when called calls out to a mailbox server and fetches data. I want to be able disable the service during application runtime in the event of some outage on the mailbox server. I wanted to do this in a way that the logic of deciding whether or not to call the mailbox server was abstracted from the actual code that calls the mailbox server. Two options which seem to fit this scenario are filters and interceptors however I'm looking for advice on which one best suits this requirement and what are the difference between each?
Thanks
If you are using Spring MVC then you can use an interceptor, which is like a filter but that has access to the Spring context. If you are using Jersey then you can't use interceptors.