MyFaces Extensions Validator Part 1 of 3

MyFaces Extensions-Validator Advanced metadata based JSF validation Part I DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 2

Agenda • History • Hello MyFaces ExtVal • Basic Feature-Overview • Requirements & Dependencies • Examples • External Extensions • Showcase (Client-Side Validation) DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 3

History • Q1 2008 Private feasibility study for – Transparent JPA 1.0 based validation (including required fields) – Cross-Component validation via annotations – Pure metadata based validation • Q2 2008 Integration in MyFaces • Q3 2008 Validation platform • 12.12.08 1. Release DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 4

„Hello MyFaces ExtVal“ Showcase DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 5

Features - 1 • Transparent JPA 1.0 based validation • Cross-component validation • Zero configuration (configuration is just an alternative) • Client-side validation support – Possible integration of 3rd party mechanisms – MyFaces Trinidad support • Generic support of 3rd party component libraries • Validation exception interception • Component initialization based on annotations DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 6

Features - 2 • Validation platform (Core is independent of specific annotations and concrete validation) – Custom annotations – Extensible and customizable – Basis for other extensions (e.g.: secure required) • Dependency injection support (including Spring) • and more!!! DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 7

Requirements & Dependencies • Minimal requirements: – myfaces-extval-core-*.jar – commons-logging*.jar • Optional: – myfaces-extval-property-validation-*.jar – myfaces-extval-trinidad-support-*.jar – myfaces-extval-generic-support-*.jar – myfaces-extval-bean-validation-*.jar (planned) – Custom validation modules DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 8

Annotation Example - 1.1 DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 9

Annotation Example - 1.2 DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 10

Validation of ExtVal Annotations • MyFaces ExtVal jars in the classpath – myfaces-extval-core-*.jar – myfaces-extval-property-validation-*.jar • Using MyFaces ExtVal annotations – Field – Properties DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 11

Validation of JPA Annotations • MyFaces ExtVal jars in the classpath – myfaces-extval-core-*.jar – myfaces-extval-property-validation-*.jar • Using JPA annotations – Field – Properties DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 12

Optional External Extensions • Secure required • Annotation based configuration – @StartupListener – @ValidationStrategy – @MessageResolver – @MetaDataTransformer – @ComponentInitializer – @ProcessedInformationRecorder – @RendererInterceptor – and more!!! DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 13

Showcase Trinidad Support (client-side validation) live demonstration DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 14

Agenda of Part II • Advanced Annotation Based Validation • Custom Validation Error Messages (Message Resolving) • Validation Exception Interception • Component Initialization Based on Metadata • Name Conventions + Alternatives • Client-Side Validation Based on Annotations • Dependency Injection Support Part 2 and 3 are part of our JSF training! Do not hesitate to contact us at info@irian.at DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 15

Agenda of Part III • ExtVal Architecture - The Big Picture • Customize Central ExtVal Mechanisms • Customized Conventions • Custom Validation Infrastructure • 3rd Party Component Library Integration • JSR 303 Integration • ExtVal vs. JSR 303 Concepts Part 2 and 3 are part of our JSF training! Do not hesitate to contact us at info@irian.at DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 16

Links • http://svn.apache.org/repos/asf/myfaces/extensi ons/validator • http://wiki.apache.org/myfaces/Extensions/Valid ator • http://issues.apache.org/jira/browse/EXTVAL • http://os890.blogspot.com • http://code.google.com/p/os890/source/browse/tr unk/java/web/jsf/extval • http://people.apache.org/~gpetracek/myfaces/ex tval DI (FH) Gerhard Petracek / MyFaces-Extensions-Validator 11.11.08 17

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MyFaces Extensions Validator Part 1 of 3

by os890 on Jan 27, 2009

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MyFaces Extensions Validator Part 1 of 3 — Presentation Transcript