app development – where should i go...

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App Development – Where should I go now?

engage 2015

René Winkelmeyer midpoints GmbH

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René Winkelmeyer Head of Development

midpoints GmbH http://www.midpoints.de IBM Advanced Business Partner IBM Design Partner (Notes Domino, Mobile, Verse) Apple Enterprise Developer und MDM Group Member Samsung Enterprise Alliance Partner Services - Enterprise Mobility Service - Mobile Device und Application Management - IBM Notes Traveler und IBM Mobile Connect

About me

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•  Skype

muenzpraeger •  Twitter

muenzpraeger •  LinkedIn

muenzpraeger •  Slideshare

muenzpraeger

•  Web http://blog.winkelmeyer.com http://www.midpoints.de

•  Mail [email protected] [email protected]

OpenNTF •  File Navigator •  Generic NSF View Widget for IBM Connections

About me

René Winkelmeyer Head of Development

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Stateless, stateful – server-side oder client-side?

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HTML

JavaScript

CSS

Java

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HTML (1992)

JavaScript (1995)

CSS (1996)

Java (1995)

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http://serienjunkies.org/serie/sledge-hammer/

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http://www.beautylish.com/videos/nails

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http://io9.com/the-history-channel-and-jeremy-renner-are-working-on-te-1693267727

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ARE YOU

PREPARED?

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https://www.flickr.com/photos/chuckcongdon/5647209408

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Programming Language Capabilities Notes/Domino

§  @Commands / @Functions

§  LotusScript

§  Procedural

§  OOP

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§  JavaScript

§  On the web

§  In the client

§  CSS (not a language)

§  On the web

§  In the Client

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§  Java

§  In Agents

§  In XPages

§  As OSGi HTTP Plugins for Equinox

§  As OSGi HTTP Plugins for Expeditor

§  As OSGi HTTP Plugins for DOTS (Domino OSGi Tasklet Service)

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Self shooted

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TIOBE Index

http://www.tiobe.com/index.php/content/paperinfo/tpci/index.html

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GitHut.info

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GitHut.info

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GitHut.info

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GitHut.info

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GitHut.info

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GitHut.info

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DUMB vs.

KNOWS

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Skillsets – Frontend

§  Strong eye for UI design

§  Love to move pixels

§  Working around Browser behaviour

§  Open to adapt new frameworks and behavior frequently

§  Experience in consuming APIs

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Skillsets – Frontend

§  HTML5

§  JavaScript

§  Modern frameworks like AngulaJS (even after 2.0), Backbone.js, Dojo, jQuery etc.

§  Node.js / Rhino

§  CSS3 / LESS / SASS

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CSS2 vs. CSS3

§  New attribute selectors §  element[foo^="bar“] - <element foo="barn" §  element[foo$="bar“] - <element foo="rebar"> §  element[foo*="bar“] - <element foo="rebaring">

§  New pseudo classes §  :root §  :nth-child(n) §  :nth-last-child(n) §  :enabled

§  Background style properties §  background-clip §  background-origin

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LESS / SASS

§  CSS precompilers

§  Write in LESS or SASS – Output will be CSS

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LESS

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LESS

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SASS

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SASS

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Client-side Frameworks

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AngularJS HTML

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AngularJS script

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AngularFaces

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Skillsets – Backend

§  Good understanding of application based security

§  KnowHow in SQL and NoSQL (i. e. MongoDB, CouchDB) databases

§  Minimum Java 7 knowledge, Java 8 preferred

§  Source control usage is a must (Git)

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Skillsets – Backend

§  Experience with modern web development frameworks (JavaServerFaces, GWT, Spring, Vaadin, JavaFX)

§  Hands-on experience with Junit testing, build tools (Maven) and Continous Integration (CI) tool like Jenkins or Bamboo

§  Knowledge in designing secure, but also easily consumable APIs

§  Experience with J2EE AppServers (Tomcat, Liberty, Glassfish)

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API Design

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API Design

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API Design

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API Design

https://api.mycompany.com /people/all /people/<id> /people/<id> /people/<id>

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API Design

https://api.mycompany.com /people/all GET /people/<id> GET /people/<id> POST /people/<id> DELETE

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API Design

https://api.mycompany.com /people/all GET /people/<id> GET /people/update/<id> UPDATE /people/delete/<id> DELETE

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API Design

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API Design

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JVM Frameworks

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Domino server – your unknown powerhorse!

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Domino server – your unknown powerhorse!

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Domino server – the unknown powerhorse!

§  IBM has introduced with 8.5.3 a „new“ J2EE engine to the Domino server

§  Expeditor WebContainer

§  Fulfills Servlet 2.5 specification

§  You can use standard Web Applications (aka Web Application Archive == WAR) in a modified version

§  More information is here available http://www.slideshare.net/fiorep/domino-osgi-development

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Vaadin

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XPages vs. Vaadin – History and Presence

XPages Vaadin

•  Bought by IBM in 2001 (XForms)

•  Was „Workplace“

•  Based on JSF

•  Development by IBM (Core, closed source) and partly by the community (ExtLib)

•  In 2001 newly developed as

„Millstone Library“ (IT Mill)

•  Uses GWT since 2007 (IT Mill Toolkit 4)

•  „Feels“ like SWT/AWT/Swing

•  Further development by Vaadin Ltd. (open source, Apache licensed)

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XPages vs. Vaadin – Operating systems

XPages Vaadin

•  All Domino supportes operating

systems

•  All operating systems with Java 6

and higher

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XPages vs. Vaadin – Supported AppServers

XPages Vaadin

•  IBM Domino

•  XPages Buildpack (IBM Bluemix)

•  Apache Tomcat 5+

•  IBM WebSphere (Full/Liberty) 7+

•  JBoss 4+

•  Liferay Portal 5.2

•  Oracle WebLogic 10.3+

•  WildFly 8+

•  Java Servlet 2.4 / JSR-286

•  ...

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XPages vs. Vaadin – Release / Dependencies

XPages Vaadin

•  Rely on Domino-Updates (Major,

Minor, FP, IF)

•  Updating the App-Server means Updating all XPages applications

•  A server update affects all XPages applications

•  New release (minor) all 4-5 weeks

•  Updates of the AppUpdates are independent from Vaadin – and vice versa

•  Vaadin-Updates can be done selectively on a per-applicatio base

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XPages vs. Vaadin – IDE

XPages Vaadin

•  IBM Domino Designer 8.5.2+, nur

Windows

•  Eclipse

•  IntelliJ

•  Netbeans

•  ...

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XPages vs. Vaadin – Programming languages

XPages Vaadin

•  SSJS

•  JavaScript

•  Java

•  Java •  JavaScript

•  Scala

•  Jython

•  ...

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Vaadin

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Serverside – RAM (Vaadin example)

500 – 1.000 kb / Session

8.000 active Users == 8 GB

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http://www.slideshare.net/cnbailey/ibm-interconnect-java-vs-javascript

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Thank you!

app development – where should i go...

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