Merge pull request #7032 from rozagerardo/rozagerardo/BAEL-10914_Create-spring-mvc-basics-from-spring-mvc-java

Rozagerardo/bael 10914 create spring mvc basics from spring mvc java
This commit is contained in:
Loredana Crusoveanu
2019-07-14 18:51:27 +03:00
committed by GitHub
68 changed files with 1138 additions and 482 deletions
+4
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@@ -1,4 +1,5 @@
*/bin/*
bin/
*.class
@@ -21,6 +22,9 @@
*.iws
out/
# VSCode
.vscode/
# Mac
.DS_Store
+13
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@@ -0,0 +1,13 @@
*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear
+18
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@@ -0,0 +1,18 @@
=========
## Spring MVC Basics with Java Configuration Example Project
### The Course
The "REST With Spring" Classes: http://bit.ly/restwithspring
### Relevant Articles:
- [Spring MVC Tutorial](https://www.baeldung.com/spring-mvc-tutorial)
- [The Spring @Controller and @RestController Annotations](http://www.baeldung.com/spring-controller-vs-restcontroller)
- [Using Spring ResponseEntity to Manipulate the HTTP Response](http://www.baeldung.com/spring-response-entity)
- [A Guide to the ViewResolver in Spring MVC](http://www.baeldung.com/spring-mvc-view-resolver-tutorial)
- [Guide to Spring Handler Mappings](http://www.baeldung.com/spring-handler-mappings)
- [Spring MVC Content Negotiation](http://www.baeldung.com/spring-mvc-content-negotiation-json-xml)
- [Spring @RequestMapping New Shortcut Annotations](http://www.baeldung.com/spring-new-requestmapping-shortcuts)
- [Spring MVC Custom Validation](http://www.baeldung.com/spring-mvc-custom-validator)
- [Using Spring @ResponseStatus to Set HTTP Status Code](http://www.baeldung.com/spring-response-status)
- [Spring MVC and the @ModelAttribute Annotation](http://www.baeldung.com/spring-mvc-and-the-modelattribute-annotation)
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>spring-mvc-basics</artifactId>
<version>0.1-SNAPSHOT</version>
<name>spring-mvc-basics</name>
<packaging>jar</packaging>
<parent>
<artifactId>parent-boot-2</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-boot-2</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- to enable JSP -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<mainClass>com.baeldung.Application</mainClass>
<layout>JAR</layout>
</configuration>
</plugin>
</plugins>
</build>
</project>
@@ -0,0 +1,11 @@
package com.baeldung;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
@@ -0,0 +1,27 @@
package com.baeldung.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.servlet.DispatcherServlet;
public class AppInitializer implements WebApplicationInitializer {
@Override
public void onStartup(ServletContext container) throws ServletException {
AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
context.scan("com.baeldung");
container.addListener(new ContextLoaderListener(context));
ServletRegistration.Dynamic dispatcher = container.addServlet("mvc", new DispatcherServlet(context));
dispatcher.setLoadOnStartup(1);
dispatcher.addMapping("/");
}
}
@@ -1,24 +1,24 @@
package com.baeldung.customvalidator;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import javax.validation.Constraint;
import javax.validation.Payload;
@Documented
@Constraint(validatedBy = ContactNumberValidator.class)
@Target({ElementType.METHOD, ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
public @interface ContactNumberConstraint {
String message() default "Invalid phone number";
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
}
package com.baeldung.customvalidator;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import javax.validation.Constraint;
import javax.validation.Payload;
@Documented
@Constraint(validatedBy = ContactNumberValidator.class)
@Target({ ElementType.METHOD, ElementType.FIELD })
@Retention(RetentionPolicy.RUNTIME)
public @interface ContactNumberConstraint {
String message() default "Invalid phone number";
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
}
@@ -1,17 +1,17 @@
package com.baeldung.customvalidator;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
public class ContactNumberValidator implements ConstraintValidator<ContactNumberConstraint, String> {
@Override
public void initialize(ContactNumberConstraint contactNumber) {
}
@Override
public boolean isValid(String contactField, ConstraintValidatorContext cxt) {
return contactField != null && contactField.matches("[0-9]+") && (contactField.length() > 8) && (contactField.length() < 14);
}
}
package com.baeldung.customvalidator;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
public class ContactNumberValidator implements ConstraintValidator<ContactNumberConstraint, String> {
@Override
public void initialize(ContactNumberConstraint contactNumber) {
}
@Override
public boolean isValid(String contactField, ConstraintValidatorContext cxt) {
return contactField != null && contactField.matches("[0-9]+") && (contactField.length() > 8) && (contactField.length() < 14);
}
}
@@ -0,0 +1,42 @@
package com.baeldung.model;
public class Book {
private int id;
private String author;
private String title;
public Book() {
}
public Book(int id, String author, String title) {
this.id = id;
this.author = author;
this.title = title;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
@@ -0,0 +1,61 @@
package com.baeldung.model;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement
public class Employee {
private long id;
private String name;
private String contactNumber;
private String workingArea;
public Employee() {
super();
}
public Employee(final long id, final String name, final String contactNumber, final String workingArea) {
this.id = id;
this.name = name;
this.contactNumber = contactNumber;
this.workingArea = workingArea;
}
public String getName() {
return name;
}
public void setName(final String name) {
this.name = name;
}
public long getId() {
return id;
}
public void setId(final long id) {
this.id = id;
}
public String getContactNumber() {
return contactNumber;
}
public void setContactNumber(final String contactNumber) {
this.contactNumber = contactNumber;
}
public String getWorkingArea() {
return workingArea;
}
public void setWorkingArea(final String workingArea) {
this.workingArea = workingArea;
}
@Override
public String toString() {
return "Employee [id=" + id + ", name=" + name + ", contactNumber=" + contactNumber + ", workingArea=" + workingArea + "]";
}
}
@@ -2,10 +2,7 @@ package com.baeldung.model;
import com.baeldung.customvalidator.FieldsValueMatch;
@FieldsValueMatch.List({
@FieldsValueMatch(field = "password", fieldMatch = "verifyPassword", message = "Passwords do not match!"),
@FieldsValueMatch(field = "email", fieldMatch = "verifyEmail", message = "Email addresses do not match!")
})
@FieldsValueMatch.List({ @FieldsValueMatch(field = "password", fieldMatch = "verifyPassword", message = "Passwords do not match!"), @FieldsValueMatch(field = "email", fieldMatch = "verifyEmail", message = "Email addresses do not match!") })
public class NewUserForm {
private String email;
private String verifyEmail;
@@ -1,22 +1,22 @@
package com.baeldung.model;
import com.baeldung.customvalidator.ContactNumberConstraint;
public class ValidatedPhone {
@ContactNumberConstraint
private String phone;
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
@Override
public String toString() {
return phone;
}
}
package com.baeldung.model;
import com.baeldung.customvalidator.ContactNumberConstraint;
public class ValidatedPhone {
@ContactNumberConstraint
private String phone;
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
@Override
public String toString() {
return phone;
}
}
@@ -0,0 +1,67 @@
package com.baeldung.spring.web.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.http.MediaType;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.JstlView;
import org.springframework.web.servlet.view.ResourceBundleViewResolver;
import org.springframework.web.servlet.view.XmlViewResolver;
//@EnableWebMvc
//@ComponentScan(basePackages = { "com.baeldung.web.controller" })
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Override
public void addViewControllers(final ViewControllerRegistry registry) {
registry.addViewController("/")
.setViewName("index");
}
@Bean
public ViewResolver viewResolver() {
final InternalResourceViewResolver bean = new InternalResourceViewResolver();
bean.setViewClass(JstlView.class);
bean.setPrefix("/WEB-INF/view/");
bean.setSuffix(".jsp");
bean.setOrder(2);
return bean;
}
@Bean
public ViewResolver resourceBundleViewResolver() {
final ResourceBundleViewResolver bean = new ResourceBundleViewResolver();
bean.setBasename("views");
bean.setOrder(0);
return bean;
}
@Bean
public ViewResolver xmlViewResolver() {
final XmlViewResolver bean = new XmlViewResolver();
bean.setLocation(new ClassPathResource("views.xml"));
bean.setOrder(1);
return bean;
}
/**
* Spring Boot allows configuring Content Negotiation using properties
*/
@Override
public void configureContentNegotiation(final ContentNegotiationConfigurer configurer) {
configurer.favorPathExtension(true)
.favorParameter(true)
.parameterName("mediaType")
.ignoreAcceptHeader(false)
.useRegisteredExtensionsOnly(false)
.defaultContentType(MediaType.APPLICATION_JSON)
.mediaType("xml", MediaType.APPLICATION_XML)
.mediaType("json", MediaType.APPLICATION_JSON);
}
}
@@ -0,0 +1,60 @@
package com.baeldung.web.controller;
import java.util.HashMap;
import java.util.Map;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
import com.baeldung.model.Employee;
@Controller
public class EmployeeController {
Map<Long, Employee> employeeMap = new HashMap<>();
@ModelAttribute("employees")
public void initEmployees() {
employeeMap.put(1L, new Employee(1L, "John", "223334411", "rh"));
employeeMap.put(2L, new Employee(2L, "Peter", "22001543", "informatics"));
employeeMap.put(3L, new Employee(3L, "Mike", "223334411", "admin"));
}
@RequestMapping(value = "/employee", method = RequestMethod.GET)
public ModelAndView showForm() {
return new ModelAndView("employeeHome", "employee", new Employee());
}
@RequestMapping(value = "/employee/{Id}", produces = { "application/json", "application/xml" }, method = RequestMethod.GET)
public @ResponseBody Employee getEmployeeById(@PathVariable final Long Id) {
return employeeMap.get(Id);
}
@RequestMapping(value = "/addEmployee", method = RequestMethod.POST)
public String submit(@ModelAttribute("employee") final Employee employee, final BindingResult result, final ModelMap model) {
if (result.hasErrors()) {
return "error";
}
model.addAttribute("name", employee.getName());
model.addAttribute("contactNumber", employee.getContactNumber());
model.addAttribute("workingArea", employee.getWorkingArea());
model.addAttribute("id", employee.getId());
employeeMap.put(employee.getId(), employee);
return "employeeView";
}
@ModelAttribute
public void addAttributes(final Model model) {
model.addAttribute("msg", "Welcome to the Netherlands!");
}
}
@@ -0,0 +1,47 @@
package com.baeldung.web.controller;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PatchMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class RequestMappingShortcutsController {
@GetMapping("/get")
public @ResponseBody ResponseEntity<String> get() {
return new ResponseEntity<String>("GET Response", HttpStatus.OK);
}
@GetMapping("/get/{id}")
public @ResponseBody ResponseEntity<String> getById(@PathVariable String id) {
return new ResponseEntity<String>("GET Response : " + id, HttpStatus.OK);
}
@PostMapping("/post")
public @ResponseBody ResponseEntity<String> post() {
return new ResponseEntity<String>("POST Response", HttpStatus.OK);
}
@PutMapping("/put")
public @ResponseBody ResponseEntity<String> put() {
return new ResponseEntity<String>("PUT Response", HttpStatus.OK);
}
@DeleteMapping("/delete")
public @ResponseBody ResponseEntity<String> delete() {
return new ResponseEntity<String>("DELETE Response", HttpStatus.OK);
}
@PatchMapping("/patch")
public @ResponseBody ResponseEntity<String> patch() {
return new ResponseEntity<String>("PATCH Response", HttpStatus.OK);
}
}
@@ -0,0 +1,48 @@
package com.baeldung.web.controller;
import java.util.concurrent.ThreadLocalRandom;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
import com.baeldung.model.Book;
@RestController
public class ResponseStatusRestController {
@GetMapping("/teapot")
@ResponseStatus(HttpStatus.I_AM_A_TEAPOT)
public void teaPot() {
}
@GetMapping("empty")
@ResponseStatus(HttpStatus.NO_CONTENT)
public void emptyResponse() {
}
@GetMapping("empty-no-responsestatus")
public void emptyResponseWithoutResponseStatus() {
}
@PostMapping("create")
@ResponseStatus(HttpStatus.CREATED)
public Book createEntity() {
// here we would create and persist an entity
int randomInt = ThreadLocalRandom.current()
.nextInt(1, 100);
Book entity = new Book(randomInt, "author" + randomInt, "title" + randomInt);
return entity;
}
@PostMapping("create-no-responsestatus")
public Book createEntityWithoutResponseStatus() {
// here we would create and persist an entity
int randomInt = ThreadLocalRandom.current()
.nextInt(1, 100);
Book entity = new Book(randomInt, "author" + randomInt, "title" + randomInt);
return entity;
}
}
@@ -0,0 +1,24 @@
package com.baeldung.web.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
@Controller
public class SampleController {
@GetMapping("/sample")
public String showForm() {
return "sample";
}
@GetMapping("/sample2")
public String showForm2() {
return "sample2";
}
@GetMapping("/sample3")
public String showForm3() {
return "sample3";
}
}
@@ -1,32 +1,32 @@
package com.baeldung.web.controller;
import com.baeldung.model.ValidatedPhone;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import javax.validation.Valid;
@Controller
public class ValidatedPhoneController {
@GetMapping("/validatePhone")
public String loadFormPage(Model m) {
m.addAttribute("validatedPhone", new ValidatedPhone());
return "phoneHome";
}
@PostMapping("/addValidatePhone")
public String submitForm(@Valid ValidatedPhone validatedPhone, BindingResult result, Model m) {
if (result.hasErrors()) {
return "phoneHome";
}
m.addAttribute("message", "Successfully saved phone: " + validatedPhone.toString());
return "phoneHome";
}
}
package com.baeldung.web.controller;
import javax.validation.Valid;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import com.baeldung.model.ValidatedPhone;
@Controller
public class ValidatedPhoneController {
@GetMapping("/validatePhone")
public String loadFormPage(Model m) {
m.addAttribute("validatedPhone", new ValidatedPhone());
return "phoneHome";
}
@PostMapping("/addValidatePhone")
public String submitForm(@Valid ValidatedPhone validatedPhone, BindingResult result, Model m) {
if (result.hasErrors()) {
return "phoneHome";
}
m.addAttribute("message", "Successfully saved phone: " + validatedPhone.toString());
return "phoneHome";
}
}
@@ -0,0 +1,7 @@
server.servlet.context-path=/spring-mvc-basics
### Content Negotiation (already defined programatically)
spring.mvc.pathmatch.use-suffix-pattern=true
#spring.mvc.contentnegotiation.favor-path-extension=true
#spring.mvc.contentnegotiation.favor-parameter=true
#spring.mvc.contentnegotiation.parameter-name=mediaType
@@ -0,0 +1,20 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:component-scan base-package="org.baeldung.controller.xml" />
<mvc:annotation-driven />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix">
<value>/WEB-INF/view/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
</beans>
@@ -0,0 +1,3 @@
sample2.(class)=org.springframework.web.servlet.view.JstlView
sample2.url=/WEB-INF/view2/sample2.jsp
@@ -1,10 +1,10 @@
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd">
<bean id="sample" class="org.springframework.web.servlet.view.JstlView">
<property name="url" value="/WEB-INF/view/sample.jsp" />
</bean>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd">
<bean id="sample3" class="org.springframework.web.servlet.view.JstlView">
<property name="url" value="/WEB-INF/view3/sample3.jsp" />
</bean>
</beans>

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