Tag 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

Posted in Java, Java EE, Maven, Web-Services, XML | Tagged , , , , | 1 Comment

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

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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

Posted in Database, Java, Java EE, JPA | Tagged , , , | 4 Comments

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

Posted in Hibernate, Java, Java EE, Spring | Tagged , , , , , | 1 Comment

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

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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

Posted in Java, Java EE, JSF | Tagged , , , , | 4 Comments

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

Posted in Java, Java EE, Spring | Tagged , , , | 4 Comments

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

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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

Posted in AJAX, Java, Java EE, JSF | Tagged , , , , | 1 Comment

Basic AJAX in JSF

In this article I would like to describe how to send AJAX request to server, receive the response and update the page accordingly. As an example I will use a simple application which allows choosing country from a list. Once … Continue reading

Posted in AJAX, Java, Java EE, JSF | Tagged , , , , , , , | 2 Comments