2014 Pre-MSc-IS-2 Infrastructure

Andreas Martin - Page 1
Master of Science in Business Information Systems FHNW
Pre-Master Information Systems
2. Infrastructure
Andreas Martin
2. Infrastructure
http://www.flickr.com/photos/muhe-e/2895256535

Infrastructure / Toolset
 Development Environment: Eclipse IDE for Java EE Developers
& JBoss Tools
 Application Server: JBoss 7 AS
 Build-Management-Software: Maven
 Database: MySQL
 Modelling Tool: Visual Paradigm for UML
2. Infrastructure

Eclipse IDE for Java EE Developers & JBoss Tools
2. Infrastructure

DEMO
http://www.flickr.com/photos/jurvetson/489257240

JBoss 7 AS – What is an Application Server?
2. Infrastructure

HTTP (Web) Server vs. Servlet Container vs.
Application Server
 A HTTP (Web) server is manly used to host websites.
 Some HTTP (Web) servers can execute compiled modules
which extend the core functionalities:
 e.g. server-side programming language modules (like PHP, Perl, Phyton
etc.)
 One prominent example:
2. Infrastructure
Apache HTTP Server

Application Server
 A servlet container executes Java Servlets.
 Most servlet containers out there executes Java Server Pages
(JSP) too.
 Pure servlet container:
2. Infrastructure
Apache Tomcat
Jetty – Eclipse Foundation

Application Server
 Usually an application server runs a generalized framework
(e.g. Java EE).
 Popular Java EE Application Servers:
2. Infrastructure
WildFly (JBoss AS)
Apache TomEE
+
=
GlassFish
IBM WebSphere Oracle Weblogic

Application Server
2. Infrastructure
HTTP (Web) Server
Website hosting
Servlet Container
Website hosting
Java Servlets (& JSP)
Extended
Servlet Container
Website hosting
Deployed Framework
(e.g. Spring, CXF, Java
EE)
Application Server
Website hosting
Generalized
Framework
(e.g. Java EE)
Application level
services
(e.g. Connection
Pooling, Object
Pooling, Transaction
Support, Messaging
services)

Maven
A software project management and comprehension tool.
2. Infrastructure

Definition
 Apache Maven is a software project management and comprehension tool.
 Based on the concept of a project object model (POM)
 Maven can manage a project's build, binaries, reporting and documentation from a
central piece of information.
Source and licensing: Arnaud Héritier 2010 – Apache Maven - http://www.slideshare.net/aheritier/20110303-e-xovnapachemaven
2. Infrastructure

Conventions
 1 project = 1 artefact (pom, jar, war, ear, …)
 Standardized
 project descriptor (POM)
 build lifecycle
 directories layout
 *.java to compile in
src/[main|test]/java
 *.xml, *.properties needed
in classpath and to bundle
in archive in src/[main|test]/resources
 target directory for generated stuffs (sources, classes, …)
 …
2. Infrastructure

POM
 An XML file (pom.xml)
 Describing
 Project identification
 Project version
 Project description
 Build settings
 Dependencies
 …
<?xml version="1.0" encoding="UTF-8"?>
<project>
<modelVersion>4.0.0</modelVersion>
<groupId>net.aheritier.samples</groupId>
<artifactId>simple-webapp</artifactId>
<version>1.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>Simple webapp</name>
<inceptionYear>2007</inceptionYear>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-struts</artifactId>
<version>2.0.2</version>
</dependency>
...
</dependencies>
</project>
2. Infrastructure

Artefact Repository
 By default :
 A central repository
 http://repo1.maven.org/m
aven2
 Several dozen of Gb of OSS
libraries
 A local repository
 ${user.home}/.m2/reposit
ory
 All artefacts
 Used by maven and its
plugins
 Used by your projects
(dependencies)
 Produced by your
projects
2. Infrastructure

Artefact Repository
 By default Maven downloads
artefacts required by the
project or itself from central
 Downloaded artefacts are
stored in the local repository
 Used to store :
 Project’s binaries
 Project’s dependencies
 Maven and plug-ins
binaries
2. Infrastructure

Dependencies
Without Maven With Maven
2. Infrastructure

Versions
 Project and dependency versions
 Two different version variants
 SNAPSHOT version
 The version number ends with –SNAPSHOT
 The project is in development
 Deliveries are changing over the time and are overridden after
each build
 Artefacts are deployed with a timestamp on remote repositories
 RELEASE version
 The version number doesn’t end with –SNAPSHOT
 Binaries won’t change
2. Infrastructure

2014 Pre-MSc-IS-2 Infrastructure

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