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Category Archives: Java EE
Importing WSDL with Java and Maven
SOAP web services are often used in commercial software. If we plan to use existing SOAP web service, we should receive a WSDL file which defines the contract between the web service and its clients. This contract defines at least: … Continue reading
Database schema creation in JPA using SQL scripts
Recent versions of JPA provide a feature to automatically create the database objects (like tables, sequences or indexes), load initial data into database on application deployment; and also remove them after the application is undeployed. All that is needed is … Continue reading
Primary key generation in JPA
Generation of primary key values is a very important functionality of relational database management systems. The main idea is to let RDBMS automatically calculate and assign primary key value to the row being inserted into the database table. This not … Continue reading
Integrating Hibernate with Spring
When building a web application, we will sooner or later need to somehow store data entered by users and retrieve it later. In most cases the best place to keep such data is a database because it additionally provides many … Continue reading
Facelets ui:repeat tag
Facelets ui:repeat tag can be used as a substitute of h:dataTable tag from JSF HTML library or c:forEach tag from JSTL core library. While using h:dataTable tag is still the preferred method to create tables, ui:repeat tag gives developer more … Continue reading
Data tables in JSF
Data table is one of the most advanced UI components provided by JSF. This component is used to represent data in a table form and can contain multiple rows and columns and optionally header, footer and caption. In this post … Continue reading
Custom bean validation constraints
Bean Validation API defines several built-in constraint annotations which are very useful in many situations. However, there are still some cases where these standard constraints are not enough and you have to create your own custom constraint. With Bean Validation … Continue reading
Using JPA and JTA with Spring
When building a web application, we will sooner or later need to somehow store data entered by users and retrieve it later. In most cases the best place to keep this data is a database because it additionally provides many … Continue reading
JSF Facelets: templates
Facelets were introduced in JSF 2.0 to resolve common inefficiencies in JSF when creating large-scale sites. Two most useful additions provided by facelets were the ability to reuse the code through templating and to create custom composite components conveniently. In … Continue reading
Monitoring AJAX request lifecycle in JSF
Sometimes when working with AJAX in JSF you may find it useful to able to perform some actions before the request is sent to server, after the response is received and when some error occurs. The common case is to … Continue reading
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