Struts 2.0 allows the use of Custom validators through the @CustomValidator annotation. The @CustomValidator annotation takes two mandatory parameters, type and message also read: Struts 2 Tutorials Struts Interview Questions Struts and Spring Integration type: Refers to the “name” given to the validator in the validators.xml file. message: Message to be displayed when this validator …
Archives for September 2008
Difference between hibernate’s save,update and saveOrUpdate() methods
Difference between hibernate’s save,update and saveOrUpdate() methods Hibetnate has set of methods for saving and updating the values in the database. The methods look like same and difficult to differentiate between them if you are not understanding them clearly. If you understand the hibernate mechanism clearly, it doesn’t execute the SQL statements directly to manipulate …
What is Shale Web Framework?
Apache Shale is a Java Server Faces based Web Application Framework from the Apache software foundation. Shale is talked of as the “heir” Apache struts framework. also read: Introduction to JSF JSF Interview Questions Request Processing Lifecycle phases in JSF We all know that struts is the most used Java Web Framework so far. While …
EJB Webservices in JBoss application server sample code
also read: Java EE Tutorials EJB Interview Questions EJB 3 Web Services Annotation and Dependency Injection in EJB 3 Query API in EJB 3 deploy above two classes by archieving in a jar and copy it to deploy folder of jboss then run ur jboss server with url http://localhost:8080/jbossws there u will get all ur …
How to delete a cookie on server in a J2EE application
There is no direct method offered by servlet API to delete a cookie on server side. This is how you can go about doing it. also read: Java EE Tutorials Servlets Interview Questions New Features in Servlets 3.0 Asynchronous Servlets in Servlets 3 Loop through the cookies in the request object to locate the one …
Advantages and Disadvantages – JSF
JSF is becoming more popular framework for user interface layer development, many architects and companies assuming that Struts is becoming outdated and JSF is catching up the market. I am not sure whether it is true at this point of time. However I would like to express my critic on the advantages and disadvantages of …
Custom DateTimeConverter in JSF
By default JSF using GMT timezone to convert the date into display format. Here is a simple solution where you can provide your custom date time converter. also read: Introduction to JSF JSF Interview Questions Request Processing Lifecycle phases in JSF 1) Write a new custom converter by extending existing DateTimeConverter class. Bind your new …
Benefits of using Web Services
Benefits of using Web Services Exposing the function on to network: A Web service is a unit of managed code that can be remotely invoked using HTTP, that is, it can be activated using HTTP requests. So, Web Services allows you to expose the functionality of your existing code over the network. Once it is …