[BAEL-3011] Accesing Spring MVC Data from Thymeleaf
- Code example for https://jira.baeldung.com/browse/BAEL-3012
This commit is contained in:
Marius Catalin Munteanu
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c6c643048f
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package com.baeldung.thymeleaf.mvcdata;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import com.baeldung.thymeleaf.mvcdata.repository.EmailData;
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@Configuration
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public class BeanConfig {
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@Bean
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public EmailData emailData() {
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return new EmailData();
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}
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}
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package com.baeldung.thymeleaf.mvcdata;
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import javax.servlet.ServletContext;
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import javax.servlet.http.HttpSession;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.ModelAttribute;
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import org.springframework.web.bind.annotation.RequestParam;
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import com.baeldung.thymeleaf.mvcdata.repository.EmailData;
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@Controller
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public class EmailController {
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private EmailData emailData = new EmailData();
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private ServletContext servletContext;
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public EmailController(ServletContext servletContext) {
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this.servletContext = servletContext;
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}
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@GetMapping(value = "/email/modelattributes")
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public String emailModel(Model model) {
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model.addAttribute("emaildata", emailData);
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return "mvcdata/email-model-attributes";
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}
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@ModelAttribute("emailModelAttribute")
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EmailData emailModelAttribute() {
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return emailData;
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}
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@GetMapping(value = "/email/requestparameters")
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public String emailRequestParameters(
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@RequestParam(value = "emailsubject") String emailSubject,
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@RequestParam(value = "emailcontent") String emailContent,
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@RequestParam(value = "emailaddress") String emailAddress1,
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@RequestParam(value = "emailaddress") String emailAddress2,
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@RequestParam(value = "emaillocale") String emailLocale) {
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return "mvcdata/email-request-parameters";
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}
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@GetMapping("/email/sessionattributes")
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public String emailSessionAttributes(HttpSession httpSession) {
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httpSession.setAttribute("emaildata", emailData);
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return "mvcdata/email-session-attributes";
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}
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@GetMapping("/email/servletcontext")
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public String emailServletContext() {
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servletContext.setAttribute("emailsubject", emailData.getEmailSubject());
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servletContext.setAttribute("emailcontent", emailData.getEmailBody());
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servletContext.setAttribute("emailaddress", emailData.getEmailAddress1());
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servletContext.setAttribute("emaillocale", emailData.getEmailLocale());
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return "mvcdata/email-servlet-context";
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}
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@GetMapping("/email/beandata")
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public String emailBeanData() {
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return "mvcdata/email-bean-data";
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}
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}
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package com.baeldung.thymeleaf.mvcdata.repository;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.List;
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public class EmailData implements Serializable {
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private String emailSubject;
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private String emailBody;
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private String emailLocale;
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private String emailAddress1;
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private String emailAddress2;
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public EmailData() {
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this.emailSubject = "You have received a new message";
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this.emailBody = "Good morning !";
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this.emailLocale = "en-US";
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this.emailAddress1 = "jhon.doe@example.com";
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this.emailAddress2 = "mark.jakob@example.com";
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}
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public String getEmailSubject() {
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return this.emailSubject;
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}
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public String getEmailBody() {
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return this.emailBody;
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}
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public String getEmailLocale() {
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return this.emailLocale;
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}
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public String getEmailAddress1() {
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return this.emailAddress1;
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}
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public String getEmailAddress2() {
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return this.emailAddress2;
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}
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public List<String> getEmailAddresses() {
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List<String> emailAddresses = new ArrayList<>();
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emailAddresses.add(getEmailAddress1());
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emailAddresses.add(getEmailAddress2());
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return emailAddresses;
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}
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}
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml"
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xmlns:th="http://www.thymeleaf.org">
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<body>
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<h1>Subject</h1>
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<p th:text="${@emailData.emailSubject}">Subject</p>
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<h1>Content</h1>
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<p th:text="${@emailData.emailBody}">Body</p>
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<h1>Email address</h1>
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<p th:text="${@emailData.emailAddress1}">Email address</p>
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<h1>Language</h1>
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<p th:text="${@emailData.emailLocale}">Language</p>
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</body>
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</html>
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml"
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xmlns:th="http://www.thymeleaf.org">
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<body>
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<h1>Subject</h1>
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<p th:text="${emaildata.emailSubject}">Subject</p>
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<h1>Content</h1>
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<p th:text="${emaildata.emailBody}"></p>
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<h1>Email addresses</h1>
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<p th:each="emailAddress : ${emailModelAttribute.getEmailAddresses()}">
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<span th:text="${emailAddress}"></span>
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</p>
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<h1>Language</h1>
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<p th:text="${emaildata.emailLocale}"></p>
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</body>
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</html>
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml"
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xmlns:th="http://www.thymeleaf.org">
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<body>
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<h1>Subject</h1>
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<p th:text="${param.emailsubject}">Subject</p>
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<h1>Content</h1>
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<p th:text="${param.emailcontent}"></p>
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<h1>Email addresses</h1>
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<p th:each="emailaddress : ${param.emailaddress}">
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<span th:text="${emailaddress}"></span>
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</p>
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<h1>Email address 1</h1>
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<p th:text="${param.emailaddress[0]}"></p>
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<h1>Email address 2</h1>
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<p th:text="${param.emailaddress[1]}"></p>
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<h1>Language</h1>
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<p th:text="${param.emaillocale}"></p>
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</body>
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</html>
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml"
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xmlns:th="http://www.thymeleaf.org">
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<body>
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<h1>Subject</h1>
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<p th:text="${#servletContext.getAttribute('emailsubject')}"></p>
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<h1>Content</h1>
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<p th:text="${#servletContext.getAttribute('emailcontent')}"></p>
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<h1>Email address</h1>
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<p th:text="${#servletContext.getAttribute('emailaddress')}"></p>
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<h1>Language</h1>
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<p th:text="${#servletContext.getAttribute('emaillocale')}"></p>
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</body>
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</html>
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml"
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xmlns:th="http://www.thymeleaf.org">
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<body>
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<h1>Subject</h1>
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<p th:text="${session.emaildata.emailSubject}"></p>
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<h1>Content</h1>
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<p th:text="${session.emaildata.emailBody}"></p>
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<h1>Email address</h1>
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<p th:text="${session.emaildata.emailAddress1}"></p>
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<h1>Language</h1>
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<p th:text="${#session.getAttribute('emaillocale')}"></p>
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</body>
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</html>
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package com.baeldung.thymeleaf.mvcdata;
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import static org.hamcrest.CoreMatchers.containsString;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.context.junit4.SpringRunner;
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import org.springframework.test.web.servlet.MockMvc;
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import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.MultiValueMap;
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import com.baeldung.thymeleaf.mvcdata.repository.EmailData;
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@RunWith(SpringRunner.class)
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@SpringBootTest
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@AutoConfigureMockMvc(printOnlyOnFailure = false)
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public class EmailControllerUnitTest {
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EmailData emailData = new EmailData();
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@Autowired
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private MockMvc mockMvc;
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@Test
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public void whenCallModelAttributes_thenReturnEmailData() throws Exception {
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mockMvc.perform(MockMvcRequestBuilders.get("/email/modelattributes"))
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.andExpect(status().isOk())
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.andExpect(content().string(containsString("You have received a new message")));
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}
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@Test
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public void whenCallRequestParameters_thenReturnEmailData() throws Exception {
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MultiValueMap<String, String> params = new LinkedMultiValueMap<>();
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params.add("emailsubject", emailData.getEmailSubject());
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params.add("emailcontent", emailData.getEmailBody());
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params.add("emailaddress", emailData.getEmailAddress1());
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params.add("emailaddress", emailData.getEmailAddress2());
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params.add("emaillocale", emailData.getEmailLocale());
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mockMvc.perform(MockMvcRequestBuilders.get("/email/requestparameters")
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.params(params))
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.andExpect(status().isOk())
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.andExpect(content().string(containsString("en-US")));
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}
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@Test
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public void whenCallSessionAttributes_thenReturnEmailData() throws Exception {
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mockMvc.perform(MockMvcRequestBuilders.get("/email/sessionattributes"))
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.andExpect(status().isOk())
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.andExpect(content().string(containsString("Good morning !")));
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}
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@Test
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public void whenCallServletContext_thenReturnEmailData() throws Exception {
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mockMvc.perform(MockMvcRequestBuilders.get("/email/servletcontext"))
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.andExpect(status().isOk())
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.andExpect(content().string(containsString("jhon.doe@example.com")));
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}
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@Test
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public void whenCallBeanData_thenReturnEmailData() throws Exception {
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mockMvc.perform(MockMvcRequestBuilders.get("/email/beandata"))
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.andExpect(status().isOk())
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.andExpect(content().string(containsString("jhon.doe@example.com")));
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}
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}
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