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Spring Security Namespace Designs


The namespace is designed to capture the most common uses of the framework and provide a simplified and concise syntax for enabling them within an application. The design is based around the large-scale dependencies within the framework, and can be

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Posted in Spring, Spring Security

Features of Spring Web MVC


Spring’s web module includes many unique web support features: Clear separation of roles. Each role—controller, validator, command object, form object, model object, DispatcherServlet, handler mapping, view resolver, and so on—can be fulfilled by a specialized object. Powerful and straightforward configuration

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Posted in Spring

Methods of Bean Configurations for Spring Container


There are three ways to provide the configuration metadata to Spring container. Below are the more details about them. 1. Xml based configuration file <?xml version=”1.0″ encoding=”UTF-8″?> <beans xmlns=”http://www.springframework.org/schema/beans&#8221; xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance&#8221; xsi:schemaLocation=”http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd”&gt; <!– A simple bean definition –> <bean id=”…” class=”…”>

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Posted in Spring

Spring Bean Scopes – Examples


There are 5 spring bean scopes as below: 1. Singleton:  If scope is set to singleton, the Spring IoC container creates exactly one instance of the object defined by that bean definition. This single instance is stored in a cache

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Posted in Spring

How to Inject Null or Blank values to a Spring Bean


To inject an NULL value which is equivalent to bean.setMessage(null): <bean id=”beanId” class=”bean”> <property name=”message”><null/></property> </bean> To inject an empty Stringe which is equivalent to bean.setMessage(“”) <bean id=”beanId” class=”bean”> <property name=”message” value=””></property> </bean>  

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Posted in Spring

Different Types of Spring Containers


There are two distinct types of spring containers as mentioned below: 1. BeanFactory Container: This is the simplest container providing basic support for Dependency Injection and defined by the org.springframework.beans.factory.BeanFactory interface. The BeanFactory and related interfaces, such as BeanFactoryAware, InitializingBean, DisposableBean,

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Posted in Spring

Is it mandatory to have the “id” property in Bean/ApplicationContext Xml


Typical Bean xml file looks like below: <?xml version=”1.0″ encoding=”UTF-8″?> <beans xmlns=”http://www.springframework.org/schema/beans&#8221; xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance&#8221; xsi:schemaLocation=”http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd&#8221; > <bean class=”in.malliktalksjava.service.MyServiceImpl”> <property name=”repository” ref=”someDAO”/> </bean> <bean id=”someDAO” class=”in.malliktalksjava.dao.SomeDao”/> </beans> MyServiceImpl Bean is anonymous because no id is supplied explicitly. Thus Spring container generates a

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Posted in Spring

Spring Core – Hello World Example


Pre Requisite : Download and install the Spring STS into your machine. This will provide all the default spring configurations whenever you create the project Application Creation Steps: Step 1: Spring Maven project in your STS. This gives the project

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Posted in Spring

org.springframework.beans.NotReadablePropertyException: Invalid property


Exception: ERROR: org.springframework.web.servlet.tags.form.RadioButtonTag – Invalid property ‘newUser’ of bean class [com.malliktalksjava.bean.UserBean]: Bean property ‘newUser’ is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter? org.springframework.beans.NotReadablePropertyException: Invalid property

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Posted in Spring

Features of Spring Web MVC


Spring’s web module includes many unique web support features: Clear separation of roles. Each role — controller, validator, command object, form object, model object, DispatcherServlet, handler mapping, view resolver, and so on — can be fulfilled by a specialized object. Powerful and

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Posted in Spring

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Mallikarjun Gunda

This is Mallikarjun Gunda, I am working as a software professional. Blogging is my Passion. This blog contains the posts on Java related technologies and programming languages. I am happy to share my knowledge through the blogs.

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