BAEL-97 - adding handler mapping examples

spring-mvc-java/src/main/java/com/baeldung/spring/web/config/ControllerClassNameHandlerMappingConfig.java

@@ -0,0 +1,42 @@
+package com.baeldung.spring.web.config;
+
+import com.baeldung.ExampleTwoController;
+import com.baeldung.WelcomeController;
+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.EnableWebMvc;
+import org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping;
+import org.springframework.web.servlet.view.InternalResourceViewResolver;
+
+@Configuration
+public class ControllerClassNameHandlerMappingConfig {
+
+	@Bean
+	public ViewResolver viewResolver() {
+		InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
+		viewResolver.setPrefix("/");
+		viewResolver.setSuffix(".jsp");
+		return viewResolver;
+	}
+
+	@Bean
+	public ControllerClassNameHandlerMapping controllerClassNameHandlerMapping() {
+		ControllerClassNameHandlerMapping controllerClassNameHandlerMapping = new ControllerClassNameHandlerMapping();
+		return controllerClassNameHandlerMapping;
+	}
+
+	@Bean
+	public WelcomeController welcome() {
+		WelcomeController welcome = new WelcomeController();
+		return welcome;
+	}
+
+	@Bean
+	public ExampleTwoController exampleTwo() {
+		ExampleTwoController exampleTwo = new ExampleTwoController();
+		return exampleTwo;
+	}
+
+}

spring-mvc-java/src/main/java/com/baeldung/spring/web/config/SimpleUrlHandlerMappingConfig.java

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+package com.baeldung.spring.web.config;
+
+import com.baeldung.ExampleTwoController;
+import com.baeldung.WelcomeController;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.ViewResolver;
+import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
+import org.springframework.web.servlet.view.InternalResourceViewResolver;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Configuration
+public class SimpleUrlHandlerMappingConfig {
+
+	@Bean
+	public ViewResolver viewResolver() {
+		InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
+		viewResolver.setPrefix("/");
+		viewResolver.setSuffix(".jsp");
+		return viewResolver;
+	}
+
+	@Bean
+	public SimpleUrlHandlerMapping simpleUrlHandlerMapping() {
+		SimpleUrlHandlerMapping simpleUrlHandlerMapping = new SimpleUrlHandlerMapping();
+		Map<String, Object> urlMap = new HashMap<>();
+		urlMap.put("/simpleUrlWelcome", welcome());
+		urlMap.put("/exampleTwo", exampleTwo());
+		simpleUrlHandlerMapping.setUrlMap(urlMap);
+		return simpleUrlHandlerMapping;
+	}
+
+	@Bean
+	public WelcomeController welcome() {
+		WelcomeController welcome = new WelcomeController();
+		return welcome;
+	}
+
+	@Bean
+	public ExampleTwoController exampleTwo() {
+		ExampleTwoController exampleTwo = new ExampleTwoController();
+		return exampleTwo;
+	}
+
+}

spring-mvc-java/src/main/java/com/baeldung/web/controller/handlermapping/ExampleTwoController.java

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+package com.baeldung.web.controller.handlermapping;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.mvc.AbstractController;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@Controller
+public class ExampleTwoController extends AbstractController
+{
+    @Override
+    protected ModelAndView handleRequestInternal(HttpServletRequest request,
+            HttpServletResponse response) throws Exception {
+        System.out.println("Inside ExampleTwo Controller");
+
+        ModelAndView model = new ModelAndView("exampleTwo");
+        
+        return model;
+    }
+}

spring-mvc-java/src/main/java/com/baeldung/web/controller/handlermapping/WelcomeController.java

@@ -0,0 +1,22 @@
+package com.baeldung.web.controller.handlermapping;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.mvc.AbstractController;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@Controller
+public class WelcomeController extends AbstractController
+{
+    @Override
+    protected ModelAndView handleRequestInternal(HttpServletRequest request,
+            HttpServletResponse response) throws Exception {
+        System.out.println("Inside BeanNameMappingExampleOne Controller");
+
+        ModelAndView model = new ModelAndView("test");
+        
+        return model;
+    }
+}

spring-mvc-java/src/test/java/com/baeldung/web/controller/ControllerClassNameHandlerMappingTest.java

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+package com.baeldung.web.controller;
+
+import com.baeldung.spring.web.config.ControllerClassNameHandlerMappingConfig;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(classes = ControllerClassNameHandlerMappingConfig.class)
+public class ControllerClassNameHandlerMappingTest {
+
+    @Autowired
+    private WebApplicationContext webAppContext;
+    private MockMvc mockMvc;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mockMvc = MockMvcBuilders.webAppContextSetup(webAppContext).build();
+    }
+
+    @Test
+    public void whenControllerClassNameMapping_thenMappedOK() throws Exception {
+        mockMvc.perform(get("/welcome")).andExpect(status().isOk()).andExpect(view().name("test")).andDo(print());
+    }
+}

spring-mvc-java/src/test/java/com/baeldung/web/controller/SimpleUrlMappingConfigTest.java

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+package com.baeldung.web.controller;
+
+import com.baeldung.spring.web.config.SimpleUrlHandlerMappingConfig;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.view;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(classes = SimpleUrlHandlerMappingConfig.class)
+public class SimpleUrlMappingConfigTest {
+
+    @Autowired
+    private WebApplicationContext webAppContext;
+    private MockMvc mockMvc;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mockMvc = MockMvcBuilders.webAppContextSetup(webAppContext).build();
+    }
+
+    @Test
+    public void whenSimpleUrlMapping_thenMappedOK() throws Exception {
+        mockMvc.perform(get("/simpleUrlWelcome")).andExpect(status().isOk()).andExpect(view().name("test")).andDo(print());
+    }
+}