What is the use of ViewResolver?

What is the use of ViewResolver?

The ViewResolver provides a mapping between view names and actual views. The View interface addresses the preparation of the request and hands the request over to one of the view technologies.

What are the different types of view resolver?

Below, we will discuss about three important View Resolver implementations provided by Spring MVC, InternalResourceViewResolver , XmlViewResolver and ResourceBundleViewResolver .

What configuration is supported by the Localsessionfactorybean?

Configuration settings can either be read from a Hibernate XML file, specified as “configLocation”, or completely via this class. A typical local configuration consists of one or more “mappingResources”, various “hibernateProperties” (not strictly necessary), and a “dataSource” that the SessionFactory should use.

What are the advantages of Spring framework?

There are the following advantages of the Spring framework:

  • Light Weight: Spring is a lightweight framework because of its POJO implementation.
  • Flexible: It provides flexible libraries trusted by developers all over the world.
  • Loose Coupling: Spring applications are loosely coupled because of dependency injection.

What is @controller and @RestController?

@Controller is used to mark classes as Spring MVC Controller. @RestController annotation is a special controller used in RESTful Web services, and it’s the combination of @Controller and @ResponseBody annotation. It is a specialized version of @Component annotation.

How does ViewResolver work in Spring boot?

Thymeleaf view resolver works by surrounding the view name with a prefix and suffix. The default values of prefix and suffix are ‘classpath:/templates/’ and ‘. html’, respectively. Spring Boot also provides an option to change the default value of prefix and suffix by setting spring.

What is internal view resolver?

The InternalResourceViewResolver is an implementation of ViewResolver in Spring MVC framework which resolves logical view name e.g. “hello” to internal physical resources e.g. Servlet and JSP files e.g. jsp files placed under WEB-INF folder.

What is Spring Localsessionfactorybean?

FactoryBean that creates a Hibernate SessionFactory . This is the usual way to set up a shared Hibernate SessionFactory in a Spring application context; the SessionFactory can then be passed to data access objects via dependency injection. Compatible with Hibernate 5.2/5.3/5.4, as of Spring 5.3.

Does Spring data JPA use hibernate?

This is the type of code Spring Data JPA helps to avoid. Spring Data JPA is really a set of dependencies that makes it easier to work with a JPA provider. Hibernate is one of several JPA providers. This means you can use Spring Data JPA without using Hibernate (if you really wanted to).

What are the features of Spring Framework?

Core Features of Spring Framework

  • IoC (Inversion of Control) Container.
  • Support for aspect-oriented programing.
  • Data access framework.
  • Transaction management framework.
  • Spring MVC framework.
  • Spring web service.
  • Spring test frameworks.
  • Core container.

What are the components of Spring Framework?

Overview of the Spring framework

  • Core container. Core. Bean. Context. Expression Language.
  • Aspect-oriented programming (AOP) AOP. Aspects. Instrumentation.
  • Data access and integration. JDBC. JPA/ORM. JMS. Transactions.
  • Web. Web/REST. Servlet. Struts.

What is significance of RestController?

RestController: RestController is used for making restful web services with the help of the @RestController annotation. This annotation is used at the class level and allows the class to handle the requests made by the client.

Why do we use @RestController?

Spring 4.0 introduced the @RestController annotation in order to simplify the creation of RESTful web services. It’s a convenient annotation that combines @Controller and @ResponseBody, which eliminates the need to annotate every request handling method of the controller class with the @ResponseBody annotation.

Can we have multiple view resolvers in Spring MVC?

In case you want to use a Multiple View Resolver in a Spring MVC application then priority order can be set using the order property. The following example shows how to use the ResourceBundleViewResolver and the InternalResourceViewResolver in the Spring Web MVC Framework.

What is the role of InternalResourceViewResolver?

The InternalResourceViewResolver is used to resolve the provided URI to actual URI. The following example shows how to use the InternalResourceViewResolver using the Spring Web MVC Framework. The InternalResourceViewResolver allows mapping webpages with requests.

What is PlatformTransactionManager?

PlatformTransactionManager implementations are defined like any other object (or bean) in the Spring Framework IoC container. This benefit alone makes Spring Framework transactions a worthwhile abstraction even when you work with JTA. Transactional code can be tested much more easily than if it used JTA directly.

What is the use of Hibernatetransactionmanager?

This transaction manager is appropriate for applications that use a single Hibernate SessionFactory for transactional data access, but it also supports direct DataSource access within a transaction (i.e. plain JDBC code working with the same DataSource).

What is the purpose of Spring?

Spring enables developers to develop enterprise-class applications using POJOs. The benefit of using only POJOs is that you do not need an EJB container product such as an application server but you have the option of using only a robust servlet container such as Tomcat or some commercial product.

How does resourcebundleviewresolver work?

ResourceBundleViewResolver loads view beans from a resource bundle in the classpath root. Note that ResourceBundleViewResolver can also take advantage of the resource bundle capability to load view beans from different resource bundles for different locales (this is not possible with other two view resolvers).

What is the basename of the resource bundle in Java?

Here, the basename refers to name of the resource bundle, which carries the views. The default name of the resource bundle is views.properties, which can be overridden using the basename property. /hello is requested, DispatcherServlet will forward the request to the hello.jsp defined by bean hello in the views.properties.

How to declare view beans in the resource bundle?

In views.properties resource bundle, you can declare view beans in the format of properties and their declaration is equivalent to the XML bean declaration which we saw in XmlViewResolver example.

What is the default name of the resource bundle in JSP?

The default name of the resource bundle is views.properties, which can be overridden using the basename property. /hello is requested, DispatcherServlet will forward the request to the hello.jsp defined by bean hello in the views.properties. Here, “hello” is the view name to be matched.