Added spring-thymeleaf initial version
This commit is contained in:
gmaipady
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package org.baeldung.thymeleaf.controller;
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import java.text.DateFormat;
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import java.util.Date;
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import java.util.Locale;
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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.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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/**
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* Handles requests for the application home page.
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*
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*/
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@Controller
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public class HomeController {
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@RequestMapping(value = "/", method = RequestMethod.GET)
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public String getHome(Model model) {
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DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, Locale.getDefault());
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model.addAttribute("serverTime", dateFormat.format(new Date()));
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return "home";
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}
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}
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package org.baeldung.thymeleaf.controller;
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import java.util.ArrayList;
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import java.util.List;
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import javax.validation.Valid;
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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.validation.BindingResult;
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import org.springframework.web.bind.annotation.ModelAttribute;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.baeldung.thymeleaf.model.Student;
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/**
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* Handles requests for the student model.
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*
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*/
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@Controller
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public class StudentController {
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@RequestMapping(value = "/saveStudent", method = RequestMethod.POST)
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public String saveStudent(@Valid @ModelAttribute Student student, BindingResult errors, Model model) {
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if (!errors.hasErrors()) {
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// get mock objects
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List<Student> students = buildStudents();
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// add current student
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students.add(student);
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model.addAttribute("students", students);
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}
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return ((errors.hasErrors()) ? "addStudent" : "listStudents");
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}
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@RequestMapping(value = "/addStudent", method = RequestMethod.GET)
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public String addStudent(Model model) {
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model.addAttribute("student", new Student());
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return "addStudent";
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}
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@RequestMapping(value = "/listStudents", method = RequestMethod.GET)
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public String listStudent(Model model) {
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model.addAttribute("students", buildStudents());
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return "listStudents";
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}
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private List<Student> buildStudents() {
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List<Student> students = new ArrayList<Student>();
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Student student1 = new Student();
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student1.setId(1001);
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student1.setName("John Smith");
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students.add(student1);
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Student student2 = new Student();
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student2.setId(1002);
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student2.setName("Jane Williams");
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students.add(student2);
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return students;
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}
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}
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package org.baeldung.thymeleaf.formatter;
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import java.text.ParseException;
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import java.util.Locale;
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import org.springframework.format.Formatter;
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import org.thymeleaf.util.StringUtils;
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/**
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*
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* Name formatter class that implements the Spring Formatter interface.
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* Formats a name(String) and return the value with spaces replaced by commas.
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*
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*/
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public class NameFormatter implements Formatter<String> {
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@Override
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public String print(String input, Locale locale) {
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return formatName(input, locale);
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}
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@Override
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public String parse(String input, Locale locale) throws ParseException {
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return formatName(input, locale);
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}
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private String formatName(String input, Locale locale) {
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return StringUtils.replace(input, " ", ",");
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}
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}
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package org.baeldung.thymeleaf.model;
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import java.io.Serializable;
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import javax.validation.constraints.Min;
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import javax.validation.constraints.NotNull;
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/**
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*
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* Simple student POJO with two fields - id and name
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*
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*/
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public class Student implements Serializable {
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private static final long serialVersionUID = -8582553475226281591L;
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@NotNull(message = "Student ID is required.")
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@Min(value = 1000, message = "Student ID must be atleast 4 digits.")
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private Integer id;
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@NotNull(message = "Student Name is required.")
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private String name;
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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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(String name) {
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this.name = name;
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}
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}
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20
spring-thymeleaf/src/main/resources/logback.xml
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20
spring-thymeleaf/src/main/resources/logback.xml
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<configuration>
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>web - %date [%thread] %-5level %logger{36} - %message%n
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</pattern>
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</encoder>
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</appender>
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<logger name="org.springframework" level="WARN" />
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<logger name="org.springframework.transaction" level="WARN" />
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<!-- in order to debug some marshalling issues, this needs to be TRACE -->
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<logger name="org.springframework.web.servlet.mvc" level="WARN" />
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<root level="INFO">
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<appender-ref ref="STDOUT" />
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</root>
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</configuration>
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msg.id=ID
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msg.name=Name
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welcome.message=Welcome Student !!!
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@@ -0,0 +1,53 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<beans:beans xmlns="http://www.springframework.org/schema/mvc"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"
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xmlns:context="http://www.springframework.org/schema/context"
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xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
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http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
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<!-- Enables the Spring MVC @Controller programming model -->
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<annotation-driven conversion-service="conversionService" />
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<!-- Standard Spring formatting-enabled implementation -->
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<beans:bean id="conversionService"
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class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
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<beans:property name="formatters">
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<beans:set>
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<beans:bean class="org.baeldung.thymeleaf.formatter.NameFormatter" />
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</beans:set>
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</beans:property>
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</beans:bean>
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<!-- Handles HTTP GET requests for /resources/** by efficiently serving
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up static resources in the ${webappRoot}/resources directory -->
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<resources mapping="/resources/**" location="/resources/" />
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<!-- Message source -->
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<beans:bean id="messageSource"
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class="org.springframework.context.support.ResourceBundleMessageSource">
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<beans:property name="basename" value="messages"></beans:property>
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</beans:bean>
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<!-- Resolves views selected for rendering by @Controllers to .html resources
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in the /WEB-INF/views directory -->
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<beans:bean id="templateResolver"
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class="org.thymeleaf.templateresolver.ServletContextTemplateResolver">
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<beans:property name="prefix" value="/WEB-INF/views/" />
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<beans:property name="suffix" value=".html" />
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<beans:property name="templateMode" value="HTML5" />
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</beans:bean>
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<beans:bean id="templateEngine" class="org.thymeleaf.spring4.SpringTemplateEngine">
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<beans:property name="templateResolver" ref="templateResolver" />
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</beans:bean>
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<beans:bean class="org.thymeleaf.spring4.view.ThymeleafViewResolver">
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<beans:property name="templateEngine" ref="templateEngine" />
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<beans:property name="order" value="1" />
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<beans:property name="viewNames" value="*"></beans:property>
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</beans:bean>
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<context:component-scan base-package="org.baeldung.thymeleaf.controller" />
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</beans:beans>
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
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<!-- Root Context: defines shared resources visible to all other web components -->
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</beans>
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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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<head>
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<title>Add Student</title>
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</head>
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<body>
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<h1>Add Student</h1>
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<form action="#" th:action="@{/saveStudent}" th:object="${student}"
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method="post">
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<ul>
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<li th:errors="*{id}" />
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<li th:errors="*{name}" />
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</ul>
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<table border="1">
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<tr>
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<td><label th:text="#{msg.id}"></label></td>
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<td><input type="number" th:field="*{id}" /></td>
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</tr>
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<tr>
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<td><label th:text="#{msg.name}"></label></td>
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<td><input type="text" th:field="*{name}" /></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>
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</body>
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</html>
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15
spring-thymeleaf/src/main/webapp/WEB-INF/views/home.html
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15
spring-thymeleaf/src/main/webapp/WEB-INF/views/home.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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<head>
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<title>Home</title>
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</head>
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<body>
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<h1>
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<span th:text="#{welcome.message}"></span>
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</h1>
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<P>
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Current time is <span th:text="${serverTime}"></span>
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</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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<head>
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<title>Student List</title>
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</head>
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<body>
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<h1>Student List</h1>
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<table border="1">
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<thead>
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<tr>
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<th th:text="#{msg.id}"></th>
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<th th:text="#{msg.name}"></th>
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</tr>
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</thead>
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<tbody>
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<tr th:each="student: ${students}">
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<td th:text="${#conversions.convert(student.id,'Float')}"></td>
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<td th:text="${{student.name}}"></td>
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</tr>
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</tbody>
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</table>
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</body>
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</html>
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34
spring-thymeleaf/src/main/webapp/WEB-INF/web.xml
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34
spring-thymeleaf/src/main/webapp/WEB-INF/web.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://java.sun.com/xml/ns/javaee"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
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id="WebApp_ID" version="3.0">
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<display-name></display-name>
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<!-- The definition of the Root Spring Container shared by all Servlets
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and Filters -->
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<context-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>/WEB-INF/root-context.xml</param-value>
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</context-param>
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<!-- Creates the Spring Container shared by all Servlets and Filters -->
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<listener>
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<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
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</listener>
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<!-- Processes application requests -->
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<servlet>
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<servlet-name>appServlet</servlet-name>
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<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
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<init-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>/WEB-INF/appServlet/servlet-context.xml</param-value>
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</init-param>
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<load-on-startup>1</load-on-startup>
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</servlet>
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<servlet-mapping>
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<servlet-name>appServlet</servlet-name>
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<url-pattern>/</url-pattern>
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</servlet-mapping>
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</web-app>
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