TLCPowerTalk.com Communication for Management Professionals QCon - - PowerPoint PPT Presentation

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TLCPowerTalk.com Communication for Management Professionals QCon - - PowerPoint PPT Presentation

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TLCPowerTalk.com Communication for Management Professionals QCon London 2009 (c) 12 March by Peter Pilgrim www.devoxx.com 1 Peter Pilgrim JAVAWUG.com,Sun Java Champion, Lloyds TSB Corporate Markets QCon London 2009 (c) 12 March by Peter

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www.devoxx.com

TLCPowerTalk.com

Communication for Management Professionals

QCon London 2009 (c) 12 March by Peter Pilgrim 1

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Peter Pilgrim

JAVAWUG.com,Sun Java Champion, Lloyds TSB Corporate Markets

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 Enterprise JavaFX for the Web Platform

  • -Peter Pilgrim

 Java Modularity OSGi

  • – Neil Bartlett

 Groovy and Grails

  • – Graeme Rocher

 Spring Today and Tomorrow

  • – Rod Johnson

 Data Grid Design Pattern

  • – Brian Oliver

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Peter Pilgrim

JAVAWUG.com,Sun Java Champion, Lloyds TSB Corporate Markets

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 Rich Internet Applications and JavaFX  Deployment of JavaFX Clients  Integration Client with Server  The Way Forward

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Visual Metaphors HTML Independent Downloadable Runtime Graphics Engine Rich Media

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 Object oriented scripting language  Stage  Scene  MediaView  MediaPlayer  Media

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 Leverages the Java Platform  Statically Compiled DSL for the JVM (SDK)  Runtime for Desktop & Mobile RIA  Java Media Component API  Java 6 update 12 JDK / JRE

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 Stage – container for

scene (JFrame, JApplet)

  • Desktop profile

supports translucency

  • Mobile profile

specialised UI container

 Scene – container for

the UI scenegraph

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Group Scene Custom Node Group Circle PolyLine Swing Label Image View Media View

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 Expression based scripting language  Declarative and Object Oriented  Based on Chris Oliver ideas from JavaScript,

Miranda, SQL and Lisp

 However, integrates with Java

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abstract after and as assert at attribute before bind bound break catch class continue def delete else exclusive extends false finally first for from function if import indexof in init insert instanceof into inverse last lazy mod new not null on or override package postinit private protected public-init public public- read replace return reverse sizeof static step super then this throw trigger true try tween typeof var where while with

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 No primitives allowed. Wrapped Primitives.  Boolean, Character, Byte, Short, Integer,

Long, Number, Float and Double

  • Number defaults to a Float (for performance)

 String, Duration  Sequences element[index]  Void

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var red = Rectangle { fill:Color.RED x: 50; y: 50; width: 320 height: 240 arcWidth: 24 arcHeight: 24} var text = Text { x: 100 y: 100 font: Font { size: 64 } content: “The Red\nDevils” } var stage = Stage { width: 400 height: 300 scene: Scene { content: [ red, text ] } style: StageStyle.TRANSPARENT }

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 Live coding Example  NetBeans 6.5  Transparency

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// A sequence of Strings [ “red”, “green”, “gold” ] // A sequence of Integer [ 21, 31, 44, 65, 95 ] // Range of Integers from 0, 1, 2 to 100 [0 .. 100] // Range of Integers from 0, 1, 2 to 99 [0 .. <100]

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var fruits[] = { “Apple”, “Pear”, “Orange” }; // Prints “First element is Apple FX.println( “First element is {fruits[0]}” ); // Prints 3 FX.println( sizeof fruits ) var empty[]; // Prints 0 FX.println( sizeof empty );

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 Nested sequences are automatically

flattened var seq = [ [ 1,2,3, [4,5,6] ], [7, 8, 9] ]; for ( e in seq ) { FX.println( “{indexof e}-{e}” ); } // Prints 0-1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9

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var names=[ ”Khan”, ”Bush Jr”]; insert “Obama” into names; // [ “Khan”, “Bush Jr”, “Obama” ] insert [ “Reagan”, “Bush Sr” ] before names[0]; // [ “Reagan”, “Bush Sr”, “Khan”, “Bush Jr”, “Obama” ] delete names[2]; delete “Khan” from names; // [ “Reagan”, “Bush Sr”, “Bush Jr”, “Obama” ] insert “Clinton” after names[1];

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foo : Float bar: String var foo: Float = 3.14596527; var bar: String = bind “bar={foo}”; FX.println(bar); // bar=3.141596527 foo = 27.471; FX.println(bar); // bar=27.471

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var x = 7 on replace oldValue { FX.println("x was {oldValue} and is now: {x}") }; // Prints x was 7 and is now: 12 x = 12;

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var data: Float[] = {10.2, 74.4, 82.7 }

  • n replace oldValue[firstIdx .. lastIdx] = newElements {

println("replaced {oldValue}[{firstIdx}..{lastIdx}] by {newElements} yielding {data}") }; // Prints “replaced [10.2, 74.4, 82.7]{4..3} by 3.14 yielding [10.2, 74.4, 82.7, 3.14 ] insert 3.14 into data; // Prints “replaced [10.2, 74.4, 82.7, 3.14]{2..2} by null yielding [10.2, 74.4, 3.14 ] delete data[2];

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public class Dimension2D { public var width: Float; public var height: Float; public function override toString() { return "Dimension2D( width={width}, height={height} )"; } // Object literal syntax var prefSize = Dimension2D{ width: 640 height: 480 }; prefSize.width = 1920; prefSize.height = 1200;

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 Live Coding Example  RGB Color Mixer

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 HBox – Horizontal

layout container

 VBox –Vertical layout

container

 Custom layouts

  • Write your own
  • See JFXtras Project for

Grid and MigLayout

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VBox 1 2 3 HBox 1 2 3

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 My Personal Layouts

  • Perspective Tabbed Pane
  • Animated Tabbed Pane
  • MigLayout Example

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Timeline Key Frame (0s) Key Value Interpolator Key Frame (1s) Key Value Interpolator 0..* 0..* 1..* 1..*

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var t1 = Timeline { repeatCount: Timeline.INDEFINITE keyFrames: [ KeyFrame { time: 0s values: [ angle => 180, xpos => 0 ] }, KeyFrame { time: 4s values: [ angle => -180, xpos => 400 tween Interpolator.EASEBOTH ] } ] }; t1.play();

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Here is one I partially prepared earlier. JavaFXTimeline

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 Animations for a single purpose

  • Translation/Scale/Rotation/Fade
  • Animation along a path
  • Containers for complex animation

▪ SequentialTransition ▪ ParallelTransition ▪ PauseTransition

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Transitions Fade Translate Rotate Scale Parallel Sequence

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 Javafxpackager to generate a JAR  Write a Java Network Launching Protocol (JNLP) file  Upload the JARS and JNLP file  On the client side, theJavaFX Runtime will

download the appropriate JRE runtime e.g. “Consumer JRE”

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 Java Kernel

  • Sun Microsystems modularised JRE

 Java Quickstarter  Deployment Kit  Accelerated Graphics  DraggableApplets

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 FX Libraries support XML / JSON Parsers  Asynchronous HTTP requests  Invoke RESTfulWeb Services

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def request = HttpRequest { location: “http://api.flick.com/.../rest/?method=...” method: HttpRequest.GET

  • nInput: function( is: InputStream ) {

try { // parse the content } finally { is.close(); } } } // Start the request, executes on the EDT request.enqueue();

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 Use the javafx.data.PullParser to parse XML

into data objects

 Or how about using Codehaus XStream in

JavaFX? Yes we can!

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 HTML Web Pages  Applets  JavaScript / DOM

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 Corporate packagement of RIA (JavaFX)

application

 See WidgetFX (BSD license)

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 Lack of traction on the JSR 186 and 286

portal servers

 Lack of successful models may drive RIA

portals based on Flex and/or JavaFX

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 Easy and Accessible Rich Media  Bindings, Triggers and Sequences  Write YOUR JavaFX applications today!

Deploy to desktop, target mobile phones

 In the Summer 2009 expect JavaFX 1.5

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 My Email peter.pilgrim at gmail dot com  My Blog roll http://jroller.com/peter_pilgrim  JavaFX main site http://javafx.com/  NetBeans 6.5 IDE

http://www.netbeans.org/features/javafx/index.html

 JFXtras Project http://code.google.com/p/jfxtras/  JavaFX Language Reference Docs

http://openjfx.java.sun.com/current- build/doc/reference/JavaFXReference.html

 JAVAWUG http://jroller.com/javawug

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