adding config files (#554)

* adding config files

* adding test class

* adding autowired annotation

spring-all/src/main/java/org/baeldung/controller/config/StudentControllerConfig.java

@@ -0,0 +1,37 @@
+package org.baeldung.controller.config;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRegistration;
+
+import org.springframework.web.WebApplicationInitializer;
+import org.springframework.web.context.ContextLoaderListener;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+import org.springframework.web.context.support.GenericWebApplicationContext;
+import org.springframework.web.servlet.DispatcherServlet;
+
+public class StudentControllerConfig implements WebApplicationInitializer {
+
+
+		@Override
+		public void onStartup(ServletContext sc) throws ServletException {
+			AnnotationConfigWebApplicationContext root = new AnnotationConfigWebApplicationContext();
+			root.register(WebConfig.class);
+			
+			root.refresh();
+			root.setServletContext(sc);
+			
+			// Manages the lifecycle of the root application context
+			sc.addListener(new ContextLoaderListener(root));
+			
+			
+			
+			DispatcherServlet dv =new DispatcherServlet(new GenericWebApplicationContext());
+			
+			ServletRegistration.Dynamic appServlet = sc.addServlet("test-mvc",dv ); 
+			appServlet.setLoadOnStartup(1); 
+			appServlet.addMapping("/test/*");
+		}
+
+	}
+

spring-all/src/main/java/org/baeldung/controller/config/WebConfig.java

@@ -0,0 +1,28 @@
+package org.baeldung.controller.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.ViewResolver;
+import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+import org.springframework.web.servlet.view.InternalResourceViewResolver;
+
+@Configuration
+@EnableWebMvc
+@ComponentScan(basePackages= {"org.baledung.controller.controller","org.baledung.controller.config" }) 
+public class WebConfig extends WebMvcConfigurerAdapter {
+    @Override
+    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
+        configurer.enable();
+    }
+ 
+    @Bean
+    public ViewResolver viewResolver() {
+        InternalResourceViewResolver bean = new InternalResourceViewResolver();
+        bean.setPrefix("/WEB-INF/");
+        bean.setSuffix(".jsp");
+        return bean;
+    }
+}