Developer's Bulletin

JSF Composite Component Since JSF 2.0 , JSF provides a powerful concept of creating custom component using composite component along with JSF facelet tags . A composite component is a special type of component which acts as a reusable component . It helps developer to define a customized component having a particular high level behavior as well as structure along with Labels , attributes , validators , converters and Listeners . User can use that predefined structure and inject their own set of functionality like any other standard reusable components. As per java specification , most commonly used composite tags are listed below : For simplicity, you can think composite:interface as java interface which is used to define a high level abstraction of the entire reusable component . Those configurable values are used in composite:implementation #{cc.attrs.attribute-name} expression to implement those values with reusable standard components . Let’s discuss this tags...

Java Server Faces Lifecycle Java Server Faces is a server side MVC based java framework for Web application development. It includes a set of APIs which represent different UI components and helps in managing their states . It helps developers to concentrate on business logic rather than concentrating on common life cycles of Web Applications : Handling requests , Decoding parameters , Validations , conversions , Modification and saving states and rendering responses to the clients . JSF request processing lifecycle starts as soon as new HTTP request is submitted by the client to JSF controller servlet . This life cycle consists of six phases . JSF framework manages life cycle phases automatically . Following are the life cycle phases given in the order of execution  : Restore view Phase Apply request values Phase Process validations phase Update model values phase Invoke application phase Render response phase Generally JSF request processin...