Add Spring MVC form and binding example
This commit is contained in:
Alex Theedom
parent
b846bcc35e
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<?xml version="1.0"?>
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<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
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xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<version>0.1-SNAPSHOT</version>
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<artifactId>spring-mvc-forms</artifactId>
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<name>spring-mvc-forms</name>
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<packaging>war</packaging>
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<dependencies>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-webmvc</artifactId>
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<version>${springframework.version}</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<version>${javax.servlet-api.version}</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet.jsp</groupId>
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<artifactId>javax.servlet.jsp-api</artifactId>
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<version>${javax.servlet.jsp-api.version}</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>jstl</artifactId>
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<version>${jstl.version}</version>
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</dependency>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-validator</artifactId>
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<version>${hibernate-validator.version}</version>
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</dependency>
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</dependencies>
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<profiles>
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<!-- Local -->
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<profile>
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<id>spring-mvc-forms</id>
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<activation>
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<activeByDefault>true</activeByDefault>
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</activation>
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<build>
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<pluginManagement>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>${maven-compiler-plugin.version}</version>
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<configuration>
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<source>${maven-compiler-plugin.source}</source>
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<target>${maven-compiler-plugin.source}</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-war-plugin</artifactId>
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<version>${maven-war-plugin.version}</version>
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<configuration>
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<warSourceDirectory>src/main/webapp</warSourceDirectory>
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<warName>spring-mvc-forms</warName>
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<failOnMissingWebXml>false</failOnMissingWebXml>
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<outputDirectory>${deploy-path}</outputDirectory>
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</configuration>
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</plugin>
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</plugins>
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</pluginManagement>
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<finalName>spring-mvc-forms</finalName>
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</build>
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</profile>
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</profiles>
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<properties>
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<springframework.version>4.0.6.RELEASE</springframework.version>
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<maven-war-plugin.version>2.4</maven-war-plugin.version>
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<jstl.version>1.2</jstl.version>
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<javax.servlet.jsp-api.version>2.3.1</javax.servlet.jsp-api.version>
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<javax.servlet-api.version>3.1.0</javax.servlet-api.version>
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<maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
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<maven-compiler-plugin.source>1.8</maven-compiler-plugin.source>
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<hibernate-validator.version>5.1.1.Final</hibernate-validator.version>
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<deploy-path>enter-location-of-server</deploy-path>
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</properties>
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</project>
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package com.baeldung.springmvcforms.configuration;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
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import org.springframework.web.servlet.config.annotation.EnableWebMvc;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
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import org.springframework.web.servlet.view.InternalResourceViewResolver;
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@Configuration
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@EnableWebMvc
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@ComponentScan(basePackages = "com.baeldung.springmvcforms")
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class ApplicationConfiguration extends WebMvcConfigurerAdapter {
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@Override
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public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
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configurer.enable();
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}
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@Bean
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public InternalResourceViewResolver jspViewResolver() {
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InternalResourceViewResolver bean = new InternalResourceViewResolver();
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bean.setPrefix("/WEB-INF/views/");
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bean.setSuffix(".jsp");
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return bean;
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}
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}
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package com.baeldung.springmvcforms.configuration;
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import org.springframework.web.WebApplicationInitializer;
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import org.springframework.web.context.ContextLoaderListener;
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import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
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import org.springframework.web.servlet.DispatcherServlet;
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import javax.servlet.ServletContext;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRegistration;
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public class WebInitializer implements WebApplicationInitializer {
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public void onStartup(ServletContext container) throws ServletException {
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AnnotationConfigWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();
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ctx.register(ApplicationConfiguration.class);
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ctx.setServletContext(container);
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// Manage the lifecycle of the root application context
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container.addListener(new ContextLoaderListener(ctx));
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ServletRegistration.Dynamic servlet = container.addServlet("dispatcher", new DispatcherServlet(ctx));
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servlet.setLoadOnStartup(1);
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servlet.addMapping("/");
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}
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// @Override
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// public void onStartup(ServletContext container) {
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// // Create the 'root' Spring application context
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// AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
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// rootContext.register(ServiceConfig.class, JPAConfig.class, SecurityConfig.class);
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//
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// // Manage the lifecycle of the root application context
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// container.addListener(new ContextLoaderListener(rootContext));
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//
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// // Create the dispatcher servlet's Spring application context
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// AnnotationConfigWebApplicationContext dispatcherServlet = new AnnotationConfigWebApplicationContext();
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// dispatcherServlet.register(MvcConfig.class);
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//
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// // Register and map the dispatcher servlet
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// ServletRegistration.Dynamic dispatcher = container.addServlet("dispatcher", new DispatcherServlet(dispatcherServlet));
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// dispatcher.setLoadOnStartup(1);
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// dispatcher.addMapping("/");
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//
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// }
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}
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package com.baeldung.springmvcforms.controller;
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import com.baeldung.springmvcforms.domain.Employee;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.ModelMap;
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import org.springframework.validation.BindingResult;
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import org.springframework.web.bind.annotation.*;
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import org.springframework.web.servlet.ModelAndView;
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import javax.validation.Valid;
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import java.util.HashMap;
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import java.util.Map;
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@Controller
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public class EmployeeController {
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Map<Long, Employee> employeeMap = new HashMap<>();
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@RequestMapping(value = "/employee", method = RequestMethod.GET)
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public ModelAndView showForm() {
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return new ModelAndView("employeeHome", "employee", new Employee());
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}
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@RequestMapping(value = "/employee/{Id}", produces = { "application/json", "application/xml" }, method = RequestMethod.GET)
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public @ResponseBody Employee getEmployeeById(@PathVariable final long Id) {
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return employeeMap.get(Id);
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}
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@RequestMapping(value = "/addEmployee", method = RequestMethod.POST)
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public String submit(@Valid @ModelAttribute("employee") final Employee employee, final BindingResult result, final ModelMap model) {
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if (result.hasErrors()) {
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return "error";
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}
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model.addAttribute("name", employee.getName());
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model.addAttribute("contactNumber", employee.getContactNumber());
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model.addAttribute("id", employee.getId());
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employeeMap.put(employee.getId(), employee);
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return "employeeView";
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}
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}
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package com.baeldung.springmvcforms.domain;
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import javax.validation.constraints.NotNull;
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import javax.validation.constraints.Size;
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public class Employee {
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private long id;
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@NotNull
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@Size(min = 5)
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private String name;
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@NotNull
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@Size(min = 7)
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private String contactNumber;
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public Employee() {
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super();
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}
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public String getName() {
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return name;
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}
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public void setName(final String name) {
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this.name = name;
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}
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public long getId() {
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return id;
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}
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public void setId(final long id) {
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this.id = id;
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}
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public String getContactNumber() {
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return contactNumber;
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}
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public void setContactNumber(final String contactNumber) {
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this.contactNumber = contactNumber;
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}
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}
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<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
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<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>Form Example - Register an Employee</title>
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</head>
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<body>
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<h3>Welcome, Enter The Employee Details</h3>
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<form:form method="POST" action="${pageContext.request.contextPath}/addEmployee" modelAttribute="employee">
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<table>
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<tr>
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<td><form:label path="name">Name</form:label></td>
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<td><form:input path="name" /></td>
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</tr>
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<tr>
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<td><form:label path="id">Id</form:label></td>
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<td><form:input path="id" /></td>
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</tr>
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<tr>
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<td><form:label path="contactNumber">Contact Number</form:label></td>
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<td><form:input path="contactNumber" /></td>
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</tr>
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<tr>
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<td><input type="submit" value="Submit" /></td>
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</tr>
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</table>
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</form:form>
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</body>
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</html>
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<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
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<html>
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<head>
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<title>Spring MVC Form Handling</title>
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</head>
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<body>
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<h2>Submitted Employee Information</h2>
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<table>
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<tr>
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<td>Name :</td>
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<td>${name}</td>
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</tr>
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<tr>
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<td>ID :</td>
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<td>${id}</td>
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</tr>
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<tr>
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<td>Contact Number :</td>
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<td>${contactNumber}</td>
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</tr>
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</table>
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</body>
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</html>
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<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
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pageEncoding="ISO-8859-1"%>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>SpringMVCExample</title>
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</head>
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<body>
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<h3>Pleas enter the correct details</h3>
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<table>
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<tr>
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<td><a href="employee">Retry</a></td>
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</tr>
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</table>
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</body>
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</html>
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