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BAEL-86: Working sample.

This commit is contained in:
Christian Raedel 2016-09-05 05:50:02 +02:00 committed by slavisa-baeldung
parent c9073cbfa5
commit 04f8eb55a8
14 changed files with 408 additions and 0 deletions
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35
enterprise-patterns/pom.xml Normal file
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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.enterprise.patterns</groupId>
<artifactId>enterprise-patterns-parent</artifactId>
<packaging>pom</packaging>
<modules>
<module>spring-dispatcher-servlet</module>
</modules>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>

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enterprise-patterns/spring-dispatcher-servlet/pom.xml Normal file
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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>
<artifactId>spring-dispatcher-servlet</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>war</packaging>
<parent>
<groupId>com.baeldung.enterprise.patterns</groupId>
<artifactId>enterprise-patterns-parent</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>..</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.3.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring4</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.6.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.6.2</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>3.0.0</version>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>9.4.0.M1</version>
<configuration>
<webApp>
<contextPath>/</contextPath>
</webApp>
</configuration>
</plugin>
</plugins>
</build>
</project>

19
enterprise-patterns/spring-dispatcher-servlet/src/main/java/com/baeldung/enterprise/patterns/dispatcher/servlet/RootConfiguration.java Normal file
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package com.baeldung.enterprise.patterns.dispatcher.servlet;
import com.baeldung.enterprise.patterns.dispatcher.servlet.models.Task;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.*;
@Configuration
public class RootConfiguration {
@Bean
public Map<String, List<Task>> taskList() {
Map<String, List<Task>> taskMap = new HashMap<>();
List<Task> taskList = new ArrayList<>();
taskList.add(new Task("Clean the dishes!", new Date()));
taskMap.put("Cid", taskList);
return taskMap;
}
}

41
enterprise-patterns/spring-dispatcher-servlet/src/main/java/com/baeldung/enterprise/patterns/dispatcher/servlet/WebConfiguration.java Normal file
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package com.baeldung.enterprise.patterns.dispatcher.servlet;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.thymeleaf.spring4.SpringTemplateEngine;
import org.thymeleaf.spring4.view.ThymeleafViewResolver;
import org.thymeleaf.templatemode.TemplateMode;
import org.thymeleaf.templateresolver.ServletContextTemplateResolver;
import javax.servlet.ServletContext;
@Configuration
@ComponentScan("com.baeldung.enterprise.patterns.dispatcher.servlet.web")
@EnableWebMvc
public class WebConfiguration extends WebMvcConfigurerAdapter {
@Bean
public ServletContextTemplateResolver templateResolver(ServletContext servletContext) {
ServletContextTemplateResolver templateResolver = new ServletContextTemplateResolver(servletContext);
templateResolver.setPrefix("/WEB-INF/views/");
templateResolver.setSuffix(".html");
templateResolver.setTemplateMode(TemplateMode.HTML);
return templateResolver;
}
@Bean
public SpringTemplateEngine templateEngine(ServletContextTemplateResolver templateResolver) {
SpringTemplateEngine templateEngine = new SpringTemplateEngine();
templateEngine.setTemplateResolver(templateResolver);
return templateEngine;
}
@Bean
public ThymeleafViewResolver viewResolver(SpringTemplateEngine templateEngine) {
ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
viewResolver.setTemplateEngine(templateEngine);
return viewResolver;
}
}

20
enterprise-patterns/spring-dispatcher-servlet/src/main/java/com/baeldung/enterprise/patterns/dispatcher/servlet/WebInitializer.java Normal file
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package com.baeldung.enterprise.patterns.dispatcher.servlet;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
public class WebInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
@Override
protected Class<?>[] getRootConfigClasses() {
return new Class<?>[]{RootConfiguration.class};
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class<?>[]{WebConfiguration.class};
}
@Override
protected String[] getServletMappings() {
return new String[]{"/example/*"};
}
}

41
enterprise-patterns/spring-dispatcher-servlet/src/main/java/com/baeldung/enterprise/patterns/dispatcher/servlet/models/Task.java Normal file
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package com.baeldung.enterprise.patterns.dispatcher.servlet.models;
import org.springframework.format.annotation.DateTimeFormat;
import java.util.Date;
public class Task {
private String description;
@DateTimeFormat(pattern = "yyyy-MM-dd'T'hh:mm")
private Date due;
public Task() {
}
public Task(Date due) {
this.due = due;
}
public Task(String description, Date due) {
this.description = description;
this.due = due;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Date getDue() {
return due;
}
public void setDue(Date due) {
this.due = due;
}
}

24
enterprise-patterns/spring-dispatcher-servlet/src/main/java/com/baeldung/enterprise/patterns/dispatcher/servlet/web/GlobalDefaultExceptionHandler.java Normal file
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package com.baeldung.enterprise.patterns.dispatcher.servlet.web;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;
@ControllerAdvice
public class GlobalDefaultExceptionHandler {
@ExceptionHandler(Exception.class)
public ModelAndView defaultErrorHandler(HttpServletRequest request, Exception e) throws Exception {
if (AnnotationUtils.findAnnotation(e.getClass(), ResponseStatus.class) != null) {
throw e;
}
ModelAndView modelAndView = new ModelAndView();
modelAndView.addObject("exception", e);
modelAndView.addObject("url", request.getRequestURL());
modelAndView.setViewName("error");
return modelAndView;
}
}

26
enterprise-patterns/spring-dispatcher-servlet/src/main/java/com/baeldung/enterprise/patterns/dispatcher/servlet/web/HomeController.java Normal file
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package com.baeldung.enterprise.patterns.dispatcher.servlet.web;
import com.baeldung.enterprise.patterns.dispatcher.servlet.models.Task;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@Controller
public class HomeController {
@Autowired
private Map<String, List<Task>> taskMap;
@GetMapping("/*")
public String home(Model model) {
List<String> users = taskMap.keySet().stream()
.sorted()
.collect(Collectors.toList());
model.addAttribute("users", users);
return "home";
}
}

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enterprise-patterns/spring-dispatcher-servlet/src/main/java/com/baeldung/enterprise/patterns/dispatcher/servlet/web/TaskController.java Normal file
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package com.baeldung.enterprise.patterns.dispatcher.servlet.web;
import com.baeldung.enterprise.patterns.dispatcher.servlet.models.Task;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@Controller
@RequestMapping("/tasks")
public class TaskController {
@Autowired
private Map<String, List<Task>> taskMap;
@GetMapping("/{username}/list")
public String listForm(
Model model,
@PathVariable("username") String username
) {
List<Task> tasks = taskMap.get(username).stream()
.sorted((t1, t2) -> t1.getDue().compareTo(t2.getDue()))
.collect(Collectors.toList());
model.addAttribute("username", username);
model.addAttribute("tasks", tasks);
return "task-list";
}
@GetMapping("/{username}/add")
public String addForm(
Model model,
@PathVariable("username") String username
) {
model.addAttribute("username", username);
model.addAttribute("task", new Task(new Date()));
return "task-add";
}
@PostMapping("/{username}/add")
public String addSubmit(
@PathVariable("username") String username,
@ModelAttribute Task task
) {
List<Task> taskList = taskMap.get(username);
if (taskList == null) {
taskList = new ArrayList<>();
}
taskList.add(task);
taskMap.put(username, taskList);
return "redirect:list";
}
}

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enterprise-patterns/spring-dispatcher-servlet/src/main/resources/log4j2.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36}:%n[+] %msg%n"/>
</Console>
</Appenders>
<Loggers>
<Root level="info">
<AppenderRef ref="Console"/>
</Root>
</Loggers>
</Configuration>

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enterprise-patterns/spring-dispatcher-servlet/src/main/webapp/WEB-INF/views/error.html Normal file
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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>Error</title>
</head>
<body>
<h2>Error:</h2>
<p th:text="|URL: ${url}|"></p>
<p th:text="${exception}"></p>
</body>
</html>

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enterprise-patterns/spring-dispatcher-servlet/src/main/webapp/WEB-INF/views/home.html Normal file
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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>Welcome to TaskTools!</title>
</head>
<body>
<h2>TaskTools</h2>
<ul>
<li th:each="username : ${users}">
<a th:href="@{/example/tasks/{username}/list(username=${username})}" th:text="${username}"></a>
</li>
</ul>
</body>
</html>

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enterprise-patterns/spring-dispatcher-servlet/src/main/webapp/WEB-INF/views/task-add.html Normal file
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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title th:text="|${username}: task add|"></title>
</head>
<body>
<h2 th:text="|Adding a task to ${username}'s list:|"></h2>
<form method="post" action="#" th:action="@{/example/tasks/{username}/add(username=${username})}" th:object="${task}">
<input type="text" th:field="*{description}" placeholder="description"/>
<input type="datetime-local" th:field="*{due}" placeholder="due"/>
<input type="submit" value="Submit"/>
</form>
</body>
</html>

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enterprise-patterns/spring-dispatcher-servlet/src/main/webapp/WEB-INF/views/task-list.html Normal file
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<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title th:text="|${username}: task list|"></title>
</head>
<body>
<h2 th:text="|${username}'s tasks:|"></h2>
<ul>
<li th:each="task : ${tasks}">
<p th:text="*{task.due}"></p>
<p th:text="*{task.description}"></p>
</li>
</ul>
<p>
<a th:href="@{/example}">Home</a>
<a th:href="@{/example/tasks/{username}/add(username=${username})}">Add new</a>
</p>
</body>
</html>