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kuni katsuya

8. Bean Validation (JSR-303) - Confluence - 0 views

www.graniteds.org/...+Bean+Validation+%28JSR-303%29

graniteds bean validation

shared by kuni katsuya on 06 Jun 12 - No Cached
  • "Bean Validation" specification (aka JSR-303) standardizes an annotation-based validation framework for Java
  • Flex doesn't provide by itself such framework. The standard way of processing validation is to use Validator subclasses and to bind each validator to each user input (see Validating data). This method is at least time consuming for the developer, source of inconsistancies between the client-side and the server-side validation processes, and source of redundancies in your MXML code.
  • GraniteDS introduces an ActionsScript3 implementation of the Bean Validation specification and provides code generation tools integration so that your Java constraint annotations are reproduced in your AS3 beans
  • ...16 more annotations...
  • GraniteDS validation framework provides a set of standard constraints
  • Constraint Description AssertFalse The annotated element must be false AssertTrue The annotated element must be true DecimalMax The annotated element must be a number whose value must be lower or equal to the specified maximum DecimalMin The annotated element must be a number whose value must be greater or equal to the specified minimum Digits The annotated element must be a number whithin accepted range Future The annotated element must be a date in the future Max The annotated element must be a number whose value must be lower or equal to the specified maximum Min The annotated element must be a number whose value must be greater or equal to the specified minimum NotNull The annotated element must not be null Null The annotated element must be null Past The annotated element must be a date in the past Pattern The annotated String must match the supplied regular expression Size The annotated element size must be between the specified boundaries (included)
  • Constraint annotations must be placed on public properties, either public variables or public accessors
  • -keep-as3-metadata+=AssertFalse,AssertTrue,DecimalMax,DecimalMin, Digits,Future,Max,Min,NotNull,Null,Past,Pattern,Size
  • must use
  • keep the constraint annotations in your compiled code
  • Error Messages and Localization
  • {name.notnull}
  • {name.minsize}
  • use the built-in ResourceBundle support offered by Flex:
  • to add support for different locales
  • follow the same principle:
  • create a ValidationMessages.properties for the new locale
  • translate all default error messages and add new ones for your customized message keys
  • Note that the bundle name must always be set to "ValidationMessages".
  • Using the FormValidator Class
kuni katsuya

Chapter 11. Client-Side Validation API (JSR 303) - 0 views

www.graniteds.org/...graniteds.validation.html

graniteds client-side validation bean validation

shared by kuni katsuya on 15 May 12 - No Cached
  • Client-Side Validation API (JSR 303)
  • GraniteDS introduces an ActionsScript3 implementation of the Bean Validation specification and provides code generation tools integration so that your Java constraint annotations are reproduced in your AS3 beans
kuni katsuya

Interview of GraniteDS founders | RIAgora - 0 views

www.riagora.com/...nterview-of-graniteds-founders

graniteds blazeds comparison interview

shared by kuni katsuya on 06 Jun 12 - No Cached
  • explained the origin of GraniteDS and the differences with LiveCycle Data Services
  • ActionScript3 reflection API
  • GraniteDS 2.2
  • ...8 more annotations...
  • JSR-303 (“Bean Validation”) ActionScript3 framework for form validation
  • validation framework is a specific adaptation of the JSR-303 (Bean Validation) specification to Flex: like its Java counterpart, it relies on validation annotations placed on bean properties and provides an engine API that lets you validate your forms without writing by hand a specific validator for each of your input fields
  • code generation tools provided by GraniteDS so that when you write your Java entity bean with validation annotations, they are automatically replicated in your ActionScript3 beans
  • problem with LCDS is mainly that it promotes a strict “client / server” architecture, with – roughly speaking – a heavy Flex client application connected to a server almost reduced to a database frontend
  • big majority of  these organizations use BlazeDS, a free and open-source subset of LCDS
  • need more advanced mechanisms than just Remoting start looking for open-source libraries to enable deeper integrations with the Java business layer, and GraniteDS is for sure the most popular project
  • “Flex Data Services” (now renamed to “Live Cycle Data Services”)
  • Flex Data Services seemed too “client-centric”
kuni katsuya

Chapter 15. Data Management - 0 views

www.graniteds.org/...graniteds.datamanagement.html

graniteds data management

shared by kuni katsuya on 15 May 12 - No Cached
  • Data Management
  • Tide maintains a client-side cache of entity instances and ensures that every instance is unique in the Flex client context
  • Tide provides an integration between the Flex/LCDS concept of managed entities and the server persistence context (JPA or Hibernate).
  • ...10 more annotations...
  • All entities marked as [Managed] are considered as corresponding to Hibernate/JPA managed entities on the server
  • It is highly recommended to use JPA optimistic locking in a multi-tier environment (@Version annotation
  • In conclusion, the recommended approach to avoid any kind of subtle problems is to have a real uid property which will be persisted in the database
  • but is not a primary key for efficiency concerns
  • Here all loaded collections of the Person object will be uninitialized so uperson contains only the minimum of data to correctly merge your changes in the server persistence context
  • Tide uses the client data tracking (the same used for dirty checking, see below) to determine which parts of the graph need to be sent.
  • Dirty Checking and Conflict Handling
  • Data Validation
  • Tide integrates with Hibernate Validator 3.x and the Bean Validation API (JSR 303) implementations, and propagate the server validation errors to the client UI components
  • Data Paging
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