You want to be able to build new web services with scalatra, a lightweight scala web framework similar to the ruby sinatra library solution. Scala vs java api vs python spark was originally written in scala, which allows concise function syntax and interactive use java api added for standalone applications. In order to make scala available inside of java maven project we need to use a maven plugin. Besides studying them online you may download the ebook in pdf format. It was designed by martin odersky and the language runs on the java virtual machine. Scala is both a functional programming and object oriented programming language that runs on the jvm. Sep 10, 2012 in the previous part of the tutorial we created a simple application from scratch and setup eclipse so we could edit the scala files for scalatra. The declared type can often be omitted, because the compiler can infer it from the. Like versionsmavenplugin, this plugin is used for similar pom manipulations to those we might desire, e. This tutorial will teach you how to use maven in your daytoday life of any project. Net, dont be worried about the inner details of scala yet.
Int implements orderedmyclass all the variables and functions have types that are defined at compile time the compiler will find many unintended programming errors. Getting started with scala in intellij scala documentation. Scalatra started out as a port of rubys sinatra to the scala language. A handy cheatsheet covering the basics of scalas syntax. This is an excerpt from the scala cookbook partially modified for the internet. In this tutorial, we will go over the scala programming language. In the config directory we have the akka conf files in the doc directory we have the documentation, api, doc jars, and also the source files for the tutorials in the lib directory we have the scala and akka jars in the src directory we have the source jars for akka the only jar we will need for this tutorial apart from the scalalibrary. Oct 14, 2016 this video demonstrates steps involved in importing a scala maven project in eclipse scala ide. Its great you guys are more into these uptodate technologies, but i wodulnt overdo with calling scala, scalatra and mongodb the bleeding edge they were quite new 23 years ago, now its more like. Scala and maven getting started guide using mavenscala. Scala is a statically typed language support for generics. Maven is a pluginbased architecture, making it easy to add new. The contents is based on the moocs functional programming principles in scala and functional program design in scala. The recommended approach to create a new scalatra project is to use giter8, a.
You want to be able to build new web services with scalatra, a lightweight scala web framework similar to the ruby sinatra library. We can use the addjarsmavenplugin plugin to identify a local directory containing these unmanaged libraries the plugin is defined in the pomjavalocal. Data binding and validation with scalaz for scalatra last release on feb 24, 2019. I will keep this tutorial very high level as we will have othe. Scalatra runs on the java virtual machine jvm, so you need a java. Scala has been created by martin odersky and he released the first version in 2003.
There are two options of standalone deployment currently. Also like versionsmavenplugin, unfortunately, its operations are only picked up by subsequent maven invocations, which breaks the. The following set of sections provides a quick tutorial on the scala language. Indepth documentation covering many of scalas features. Contribute to jesperdjscala mavenexample development by creating an account on github.
It was originally known as step and it is the framework behind the restful backend that is used by link. Introduction to interfacedriven development using swagger. Scala tutorial your first scala hello world application. Eclipse luna scala ide jdk 8 you may use jdk 6 onwards prerequisites if you do not have jdk or eclipse ide installed, you can install it from.
The main difference here is that instead of using xml to specify the dependencies in a pom file, scala code is used instead. This module helps generating pdf documents dynamically from your play. Introduction scala ide setup using eclipse scala hello world scala variables data type scala basic types string interpolation scala arrays scala lists scala range scala tuple scala option statements scala if else scala match scala while and do while. Each dependency uses the same groupid % artifactid % revision format that maven does. Here is a quick tip of the day totd that shows a pom. By the way, you can generate executable jars by using the mavenassemblyplugin and its single goal. Select one that may interest you most and if its not scala. In this article, we will see how to configure eclipse ide for scala.
In this guide, intellij will download scala for you. If you are new to scala or coming from other programming backgrounds like java or. Creating a scala project with maven dependency management for. How to start scalatra with embedded jetty for easy testing and debugging create a simple rest api that returns json data test your service using specs2we will start by.
Also like versions maven plugin, unfortunately, its operations are only picked up by subsequent maven invocations, which breaks the. Maven integration in eclipse is a separate plugin, and depending on which version of eclipse you have installed, you might already have it or not the default maven plugin does not support scala out of the box, so you need to install the m2eclipsescala connector. This connector understands the scala maven plugin and links the compile phase to the eclipse scala builder. Maven is a pluginbased architecture, making it easy to add new libraries and. In this tutorial, well see how to build a minimal scala project using intellij ide with the scala plugin.
The target audience is people who already have some experience of programming and who are familiar with the jvm. It is an interactive build tool like ant, maven etc. Your contribution will go a long way in helping us. A scalate maven plugin last release on mar 16, 2015. In the previous part of the tutorial we created a simple application from scratch and setup eclipse so we could edit the scala files for scalatra. If youre using a fresh install of maven, it may need to resolve the archetype plugin. Scala i about the tutorial scala is a modern multiparadigm programming language designed to express common programming patterns in a concise, elegant, and typesafe way. It is based on the flying saucer library, which in turn uses itext for pdf generation. Installation and development setup scalatra in action. Setting up a barebones hello world rest api juan on july 17, 2014 at 9. Perhaps the picture below will be a good visual to keep in mind.
Maven for beginners the scala programming language. Summary integrating scala in a java project is pretty straightforward. Like versions maven plugin, this plugin is used for similar pom manipulations to those we might desire, e. This video demonstrates steps involved in importing a scala maven project in eclipse scala ide. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information.
In this second part of the tutorial youll learn how to do the following. In this tutorial, we will go over how to use intellij ide to create your first scala application. Weve been eagerly preparing this weeks refcard release for the past few months now, and finally the widelyrequested scala refcard is here. Scalatra is a scala web framework that follows the principles of the sinatra ruby web framework. A list of frequentlyasked questions about scala language features and their answers. Run javac version on the command line and make sure you see javac 1. Logging bridges mail clients maven plugins mocking objectrelational mapping pdf libraries top categories home org. The mavenarchetypeplugin uses velocity to expand template files, and this documentation talks about velocity properties, which are values substituted into velocity templates. The maven archetypeplugin uses velocity to expand template files, and this documentation talks about velocity properties, which are values substituted into velocity templates. By the way, you can generate executable jars by using the maven assemblyplugin and its single goal. If you have done previous programming in other languages, you will certainly have come across the infamous hello world program. Using scala ide for eclipse on a maven scala project is fairly straightforward when all the pieces are in the right place. An alternative to letting maven handle your dependencies is to download them locally yourself.
If you have done previous programming in other languages, you will certainly have come across the infamous hello world program so, without wasting any time, lets get started with our hello world scala application. It simply renders your html and cssbased templates to pdf. In this tutorial i will show how to use the scala ide on an existing maven project, and how to start with a fresh project. An indepth guide on how to write idiomatic scala code. Scala smoothly integrates the features of objectoriented and functional languages.
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