Tapestry 5: Java Power, Scripting Ease
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The document discusses the Tapestry 5 framework for building Java web applications. It summarizes key features of Tapestry including being open source, component based, developer focused, fast, mature, and providing elements like templates, page classes, page flows, inversion of control, meta-programming, state management, and internationalization support. It also discusses Tapestry components, scaffolding, feedback and exploration capabilities, and internationalization.
Tapestry 5: Java Power, Scripting Ease
- 1. Tapestry 5: Java Power, Scripting Ease! Howard M. Lewis Ship TWD Consulting [email protected] 1 © 2009 Howard M. Lewis Ship
- 2. Howard Lewis Ship • Creator, Apache Tapestry • Author, "Tapestry in Action" • Independent Consultant 2 © 2009 Howard M. Lewis Ship
- 3. What is Tapestry? 3 © 2009 Howard M. Lewis Ship
- 4. Java 4 © 2009 Howard M. Lewis Ship
- 5. Open Source 5 © 2009 Howard M. Lewis Ship
- 6. Component Based 6 © 2009 Howard M. Lewis Ship
- 7. Developer Focused 7 © 2009 Howard M. Lewis Ship
- 8. Concise 8 © 2009 Howard M. Lewis Ship
- 9. Fast! 9 © 2009 Howard M. Lewis Ship
- 10. Mature 10 © 2009 Howard M. Lewis Ship
- 11. Tapestry Elements 11 © 2009 Howard M. Lewis Ship
- 12. Tapestry Templates Login.tml <html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body> <h1>Please Login</h1> Login <t:form> <t:label for="userId"/> <t:textfield value="userId"/> <br/> form <t:label for="password"/> <t:passwordfield value="password"/> <br/> label <input type="submit" value="Login"/> </t:form> </html> textfield label passwordfield 12 © 2009 Howard M. Lewis Ship
- 13. Page Classes Login.tml <html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body> <h1>Please Login</h1> Login.java <t:form> <t:label for="userId"/> public class Login <t:textfield value="userId"/> { <br/> @Property <t:label for="password"/> private String userId; <t:passwordfield value="password"/> <br/> @Property <input type="submit" value="Login"/> private String password; </t:form> </html> Object onSuccess() { … } } 13 © 2009 Howard M. Lewis Ship
- 14. Page Flows Login.java UserProfile.java public class Login public class UserProfile { { @Property … private String userId; } @Property private String password; void onValidate() { … } Object onSuccess() { … return UserProfile.class; } } 14 © 2009 Howard M. Lewis Ship
- 15. Inversion of Control Login.java public class Login Your code { @Property private String userId; @Property private String password; … Inject IoC @Inject Service private Session session; into field @CommitAfter Object onSuccess() { … User user = (User) session. … user.setLastLogin(new Date()); } } return UserProfile.class; Tapestry Services 15 © 2009 Howard M. Lewis Ship
- 16. Meta-Programming Login.java public class Login Generate getter & setter { @Property private String userId; @Property private String password; @InjectPage private UserProfile userProfilePage; … @Inject private Session session; Commit Hibernate transaction @CommitAfter Object onSuccess() { … User user = (User) session. … user.setLastLogin(new Date()); return userProfilePage; } } 16 © 2009 Howard M. Lewis Ship
- 17. State Management UserProfile.java public class UserProfile { Shared global value (any page) @Property @SessionState This page only private UserEntity user; @Property @Persist private Date searchStart; } 17 © 2009 Howard M. Lewis Ship
- 18. Template Injections Component Meta- Java Class Programming Message Catalog 18 © 2009 Howard M. Lewis Ship
- 19. ❝Most software today is very much like an Egyptian pyramid with millions of bricks piled on top of each other, with no structural integrity, but just done by brute force and thousands of slaves.❞ Alan Kay, co-designer of the Smalltalk programming language 19 © 2009 Howard M. Lewis Ship
- 20. Developer Productivity 20 © 2009 Howard M. Lewis Ship
- 21. 21 © 2009 Howard M. Lewis Ship
- 22. Non-Tapestry Exception Reporting 22 © 2009 Howard M. Lewis Ship
- 23. Index does not contain a property named 'now' Available properties: class, componentResources, currentTime 23 © 2009 Howard M. Lewis Ship
- 24. 24 © 2009 Howard M. Lewis Ship
- 25. 25 © 2009 Howard M. Lewis Ship
- 26. Scaffolding 26 © 2009 Howard M. Lewis Ship
- 27. BoardGame.java @Entity public class BoardGame { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @NonVisual private long id; @Validate("required") private String title; private String creator; private String publisher; private Date published; private boolean inPrint; @Validate("required") @Column(nullable = false) private Genre genre; @Validate("required") @Column(nullable = false) private Theme theme; @Validate("min=1") private Integer minPlayers; @Validate("min=1") private Integer maxPlayers; @Validate("min=1,max=5") private Integer rating; @DataType("longtext") private String notes; 27 © 2009 Howard M. Lewis Ship
- 28. 28 © 2009 Howard M. Lewis Ship
- 29. Parameters Property Types BeanEditForm Naming Conventions Annotations Explicit Overrides Localized Messages 29 © 2009 Howard M. Lewis Ship
- 30. Feedback & Exploration 30 © 2009 Howard M. Lewis Ship
- 31. Flow 31 © 2009 Howard M. Lewis Ship
- 32. ❝PHP and Rails have taught us that development speed is more important than we thought it was ... you really don’t understand a feature till you’ve built it, so the faster you can build them the faster you understand them.❞ Tim Bray, Director of Web Technologies, Sun Microsystems 32 © 2009 Howard M. Lewis Ship
- 33. Internationalization 33 © 2009 Howard M. Lewis Ship
- 34. 34 © 2009 Howard M. Lewis Ship
- 35. Index_de.properties page-title=Erstellen Sie eine neue Brettspiel add-game=Spiel hinzufŸgen modern=Modernen Index.tml medieval=Mittelalter bible=Bibel <html t:type="layout" title="message:page-title" abstract=Zusammenfassung xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd" xmlns:p="tapestry:parameter"> war_game=Kriegsspiel card=Karte <t:beaneditform submitlabel="message:add-game" object="game"/> role_playing=Rollenspiele </html> cooperative=Genossenschaft creator-label=Schšpfer publisher-label=Verlag published-label=Veršffentlicht inprint-label=Im Druck theme-label=Thema minplayers-label=Mindest-Spieler maxplayers-label=Maximale Spieler notes-label=Notation 35 © 2009 Howard M. Lewis Ship
- 36. Tapestry Components 36 © 2009 Howard M. Lewis Ship
- 37. Nested Components Layout title : String Layout.tml pageNames : List pageName : String <html xmlns="http://www.w3.org/1999/xhtml" xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd" xmlns:p="tapestry:parameter"> <head> <title>${title}</title> </head> <body> … <div id="menu"> <ul> <li t:type="loop" source="pageNames" value="pageName" class="prop:classForPageName"> <t:pagelink page="prop:pageName">${pageName}</t:pagelink> Index </li> </ul> </div> Layout … Loop PageLink 37 © 2009 Howard M. Lewis Ship
- 38. Component Parameters Layout.java public class Layout { /** The page title, for the <title> element and the <h1> element. */ @Property @Parameter(required = true, defaultPrefix = BindingConstants.LITERAL) private String title; @Property @Parameter(defaultPrefix = BindingConstants.LITERAL) private String sidebarTitle; @Property @Parameter(defaultPrefix = BindingConstants.LITERAL) private Block sidebar; @Property private String pageName; 38 © 2009 Howard M. Lewis Ship
- 39. Non-Template Components OutputDate.java public class OutputDate { private final DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM); @Parameter(required = true, allowNull = false) private Date date; void beginRender(MarkupWriter writer) { writer.write(formatter.format(date)); } } 39 © 2009 Howard M. Lewis Ship
- 40. 40 © 2009 Howard M. Lewis Ship
- 41. Tapestry Performance 41 © 2009 Howard M. Lewis Ship
- 42. Request Processing Speed 42 © 2009 Howard M. Lewis Ship
- 43. Java == Fast 43 © 2009 Howard M. Lewis Ship
- 44. No Reflection 44 © 2009 Howard M. Lewis Ship
- 45. Page Pooling 45 © 2009 Howard M. Lewis Ship
- 46. GZIP Compression 46 © 2009 Howard M. Lewis Ship
- 47. Scalability 47 © 2009 Howard M. Lewis Ship
- 48. JavaScript Aggregation 48 © 2009 Howard M. Lewis Ship
- 49. Far Future Expires Header 49 © 2009 Howard M. Lewis Ship
- 50. Versioned URLs 50 © 2009 Howard M. Lewis Ship
- 51. Content Delivery Network 51 © 2009 Howard M. Lewis Ship
- 52. ❝Architecture is the decisions that you wish you could get right early in a project.❞ Martin Fowler, Chief Scientist, ThoughtWorks 52 © 2009 Howard M. Lewis Ship
- 53. Conclusion 53 © 2009 Howard M. Lewis Ship
- 54. 54 © 2009 Howard M. Lewis Ship
- 55. Infrastructure 55 © 2009 Howard M. Lewis Ship
- 56. Performance 56 © 2009 Howard M. Lewis Ship
- 57. Tapestry: The Expert is Built In 57 © 2009 Howard M. Lewis Ship
- 58. Tapestry 5 In Production 58 © 2009 Howard M. Lewis Ship
- 59. http://tapestry.apache.org 59 © 2009 Howard M. Lewis Ship
- 60. http://tapestry.formos.com 60 © 2009 Howard M. Lewis Ship
- 61. http://howardlewisship.com Tapestry 5 Development and Support On-site / Hands-on Tapestry Training [email protected] 61 © 2009 Howard M. Lewis Ship
- 62. Image Credits © 2006 Chris Walton http://www.flickr.com/photos/philocrites/245011706/ © 2009 Nataline Fung http://www.flickr.com/photos/metaphora/3384569933/ © 2006 Martino Sabia http://www.flickr.com/photos/ezu/297634534/ © 2008 Alan Grinberg http://www.flickr.com/photos/agrinberg/2465119180/ © 2008 Manu Gómez http://www.flickr.com/photos/manugomi/2884678938/ © 2006 Tom Magliery http://www.flickr.com/photos/mag3737/267638148/ © 2003 A. Lipson http://www.andrewlipson.com/escher/relativity.html © 2009 viernest http://www.flickr.com/photos/viernest/3380560365/ © 2007 Jojo Cence http://www.flickr.com/photos/jojocence/1372693375/ © 2007 Patrick Dirden http://www.flickr.com/photos/sp8254/2052236004/ © 2009 Dani Ihtatho http://www.flickr.com/photos/ihtatho/627226315/ 62 © 2009 Howard M. Lewis Ship
- 63. Image Credits © 2008 Christophe Delaere http://www.flickr.com/photos/delaere/2514143242/ © 2007 Marina Campos Vinhal http://www.flickr.com/photos/marinacvinhal/379111290/ © 2006 kris247 http://www.flickr.com/photos/kris247/86924080/ 63 © 2009 Howard M. Lewis Ship