Create Spring Beans using Factory Methods

spring

The advantage of using the spring framework is the efficient beans management by the IOC container. We never create an instance in the code instead spring creates and manages them. In the certain scenarios, the demand is to use the factory methods for creating the instances of an particular object due to the restriction imposed […]

Use Trang to Generate XSD from XML File

xml

XML schema used for defining the restriction on XML data structure. It is adding the highly validated data structure and useful for defining the types for the data in XML files. In a normal practice, first a developer creates a XSD (schema) with validations or enforcement for the XML structure, later all the XML files […]

Spring Framework 4.0 RC1 Released

spring

Spring Framework 4.0 Release Candidate 1 is released by Spring IO this week. Earlier they have announced that Spring 4.0 is due to the release in October 2014. However, in the latest blog post they have indicated that it will be available by December 2014. The last addition of new features with this release candidate […]

How to create a Spring Bean of an Inner class?

spring

In this tutorial I will explain how to declare bean definition for the Inner classes in Spring XML configuration. When you are using inner class as spring beans, you have to specify the binary class name of that inner or nested class to instantiate as a bean. If you have a class ExampleType and it […]

Register Spring Beans to BeanFactory using registerSingleton

spring

Spring’s strength lies on its core framework’s Inversion Of Control (IOC) and how the beans are instantiated and managed by the IOC container. All the beans in the spring’s IOC containers are managed as the singleton beans by default for the efficient and good performance. As a good practice, you should never create instance for […]

How to use Spring EL in XML configurations?

spring

In our previous tutorial we have explained in detail about how to use the spring expression language. This tutorial is a simple example to demonstrate how to use the expression language in XML configuration file. Employee.java Company.java SpringExpressionDemo.java beans.xml If you run the above example program, you will get the output as: I hope this […]

Use @Import for Importing JavaConfig Files in Spring Projects

spring

In my previous article I have explained about the JavaConfig in Spring 3.0. It is a new way of configuring the bean definitions without using the traditional XML files. Also I have listed the annotations defined as part of JavaConfig approach. In the list, @Import is the one such annotation used for consolidating all the […]

JavaConfig in Spring 3.0

spring

Spring 3.0 has introduced new way for configuring the spring beans. In fact this was maintained by spring framework separately as JavaConfig. Later it is merged to the spring core framework and all the features are directly accessible from the spring core. Instead of using the XML files, we can use plain Java classes to […]

How to Protect PDF with Password using iText in Java?

PDF Thumbnail

In my previous article I have explained about how to create PDF document using iText with simple example. This tutorial explains how to add a password protection for your PDF document. iText doesn’t provide the password feature in its own API, however it internally uses another third part implementation and implements the password protection. iText internally […]

How to Create PDF using iText in Java?

PDF Thumbnail

Generating PDF report is the very general requirement in most of the Java projects. iText is the most popular PDF API used by the Java developers for generating the PDF report. It is very simple and easy to get started writing simple PDF files. If you are familiar with iText API,  it provides more advanced […]