Web services are software systems designed to support interoperable machine-to-machine interaction over a network.

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43
votes
6answers
33k views

How essential is it to make a service layer?

I started building an app in 3 layers (DAL, BL, UI) [it mainly handles CRM, some sales reports and inventory]. A colleague told me that I must move to service layer pattern, that developers came to ...
37
votes
5answers
9k views

Why is it so bad to read data from a database “owned” by a different microservice

I have recently read this excellent article on the microservice architecture: http://www.infoq.com/articles/microservices-intro It states that when you load a web page on Amazon, then 100+ ...
22
votes
6answers
3k views

What are the deciding factors in choosing to expose a web service as a SOAP or REST service?

As far as I can see consuming SOAP requires a SOAP stack, so it is harder for your clients to consume i.e. they need to ensure that they have a SOAP stack in place that formats the POST data and the ...
10
votes
1answer
5k views

Software architecture for authentication/access-control of REST web service

I am setting up a new RESTful web service and I need to provide a role-based access control model. I need to create an architecture that will allow users to provide their username and password to get ...
5
votes
2answers
569 views

Exception versus return code in DAO pattern

After reading a lot about the abusive use of exceptions in Java and how you should let an exception bubble up through the different layers of an application, I've come to a point where I don't know ...
21
votes
5answers
9k views

Best practices for execution of untrusted code

I have a project where I need to allow users to run arbitrary, untrusted python code (a bit like this) against my server. I'm fairly new to python and I'd like to avoid making any mistakes that ...
2
votes
1answer
376 views

Should we create classes just to group properties

I am designing a bit of software that will integrate with our enterprise system using web services. We are dealing with work orders that are needed to maintain equipment. We have a bit of a ...
42
votes
3answers
38k views

Should cookies be used in a RESTful API?

I'm specifically interested in how users perform authorized / authenticated operations on a web API. Are authentication cookies compatible with the REST philosophy, and why?
60
votes
3answers
131k views

Difference between Web API and Web Service?

I have heard about Web Services and Web API's a lot, is there any difference between them or are the same?
31
votes
4answers
14k views

REST - Tradeoffs between content negotiation via Accept header versus extensions

I'm working through designing a RESTful API. We know we want to return JSON and XML for any given resource. I had been thinking we would do something like this: GET /api/something?param1=value1 ...
15
votes
4answers
26k views

REST vs RESTful vs “normal” web service - the same or not?

I've read a couple of definitions and discussion on REST and/or RESTful applications, but I still do not understand the real meaning of it. I usually work with the apps which either fetch data via ...
30
votes
3answers
4k views

Should MVC/REST return a 403 or 404 for resources belonging to other users?

When working with a resource-based site (such as an MVC application or REST service), we have two main options when a client tries to GET a resource that they don't have access to: 403, which says ...
12
votes
3answers
19k views

Why to use web services instead of direct access to a relational database for an android app?

I searched on the web how to access in an efficient manner to a central database at a remote location and I met suggestions to use web services instead direct access (i.e. JDBC etc ) to a database.I ...
13
votes
4answers
9k views

Maintaining referential integrity between a mobile client and a server

So I have a relatively simple system. A mobile client creates records in a sqlite database that I would like to have synced to a remote SQL server (that is shared with other mobile clients). So when I ...
13
votes
3answers
2k views

What is the best way to do offline failover of a desktop based client that uses a web service?

I have three incoming projects that share a common problem: they need to have the logic on a web system and they need a local application (e.g. point of sale) that communicates with such system ...
3
votes
2answers
3k views

REST Service and CQRS

I am struggling with architecture on a new project. I am using the following patterns/technology. CQRS - anything going in goes through a command REST - using WebAPI MVC - asp.net mvc Angular - ...
3
votes
5answers
509 views

Is SOA suitable for developers or only for business/IT management people?

Let's suppose you're the lead of a team of developers that needs to build a big information system such as an ERP or Human Resources software, or whatever system that is composed by multiple business ...
14
votes
4answers
5k views

Why do people think SOAP is deprecated? [closed]

While browsing SO today I found this question here and it starts with this: Sure, you're gonna tell me that SOAP is depracated and all, well i'm forced to use it Found lots of statement like ...
7
votes
2answers
11k views

What does RESTful web applications mean? [duplicate]

Possible Duplicate: What is REST (in simple English) What does RESTful web applications mean? A web service is a function that can be accessed by other programs over the web (Http). To ...
6
votes
3answers
875 views

OAuth alternative for a 2 party system

I'm writing a RESTful service (Java EE, Jersey) and a client application that communicates with it, and I wish to secure it and store any usernames & passwords dedicated in my own database. I do ...
4
votes
8answers
453 views

What is “The Cloud”? What do I say when people ask if my web service is “on the cloud”? [duplicate]

Possible Duplicate: What is “the Cloud” and how does it relate to development? First some context: I don't understand what people are asking when they ask "It it on the cloud?" ...
4
votes
2answers
4k views

Why put a simple query into a stored procedure in a web service?

I'm working as a junior programmer, and the senior programmer above me has instructed me to follow a certain unofficial policy for constructing new queries on our web development projects. Generally, ...
0
votes
2answers
415 views

Creating REST-ful web-services without adhering to the REST principles

I have built an application which acts as an interface between an EAI layer and third party vendor applications. I am using REST-ful web services for this, making use of JAX-RS API and Jersey ...
7
votes
3answers
1k views

Motivation for a service layer (instead of just copying dlls)?

I'm creating an application which has 2 different UIs so I'm making it with a service layer which I understood is appropriate for such scenario. However I found myself just creating web methods for ...
5
votes
3answers
1k views

How to handle business rules with a REST API?

I have a REST API to manage a booking system I'm searching how to manage this situation : A customer can book a time slot : A TimeSlot resource is created and linked to a Person resource. In order to ...
3
votes
2answers
948 views

Which Java framework meets these requirements? [closed]

Which Java framework meets these requirements? What set of frameworks would be best suited to meet these requirements? The requirements are: oriented for web support for transactions support for ...
1
vote
1answer
216 views

Java code design for a Geocoder Webservice client

Please bear with me, if this type of question has been asked before. I am having a dilemma with object design and seeking experts' help here to come up with the correct/better design for a webservice ...