BAEL-1275 Introduction to ActiveWeb (#3638)

* BAEL-1275 Introduction to active web first commit

* BAEL-1275 Added the module to parent pom

* BAEL-1275 Introduction to ActiveWeb

java-lite/pom.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         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>
 
@@ -22,10 +21,15 @@
         <mysql.connector.java.version>5.1.45</mysql.connector.java.version>
         <sun.tools.version>1.7.0</sun.tools.version>
         <jackson.version>1.8.2</jackson.version>
-        <junit.version>4.11</junit.version>
+        <junit.version>4.12</junit.version>
     </properties>
 
     <build>
+        <resources>
+            <resource>
+                <directory>src/main/webapp/WEB-INF</directory>
+            </resource>
+        </resources>
         <plugins>
             <plugin>
                 <groupId>org.eclipse.jetty</groupId>
@@ -86,6 +90,13 @@
             <systemPath>${java.home}/../lib/tools.jar</systemPath>
         </dependency>
         
+        <dependency>
+            <groupId>org.javalite</groupId>
+            <artifactId>activeweb-testing</artifactId>
+            <version>1.15</version>
+            <scope>test</scope>
+        </dependency>
+        
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

java-lite/src/main/java/app/config/AppBootstrap.java

@@ -3,7 +3,15 @@ package app.config;
 import org.javalite.activeweb.AppContext;
 import org.javalite.activeweb.Bootstrap;
 
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+
+import app.services.ArticleServiceModule;
+
 public class AppBootstrap extends Bootstrap {
     public void init(AppContext context) {
     }
+    public Injector getInjector() {
+        return Guice.createInjector(new ArticleServiceModule());
+    }
 }

java-lite/src/main/java/app/controllers/ArticleController.java

@@ -0,0 +1,28 @@
+package app.controllers;
+
+import javax.inject.Inject;
+
+import org.javalite.activeweb.AppController;
+
+import app.services.ArticleService;
+
+public class ArticleController extends AppController {
+
+    @Inject
+    private ArticleService articleService;
+
+    public void index() {
+        view("articles", articleService.getArticles());
+    }
+
+    public void search() {
+
+        String keyword = param("key");
+        if (null != keyword) {
+            assign("article", articleService.search(keyword));
+        } else {
+            render("/common/error");
+        }
+
+    }
+}

java-lite/src/main/java/app/controllers/HomeController.java

@@ -0,0 +1,11 @@
+package app.controllers;
+
+import org.javalite.activeweb.AppController;
+
+public class HomeController extends AppController {
+
+    public void index() {
+        render("index");
+    }
+
+}

java-lite/src/main/java/app/models/Article.java

@@ -0,0 +1,50 @@
+package app.models;
+
+public class Article {
+
+    private String title;
+    private String author;
+    private String words;
+    private String date;
+
+    public Article(String title, String author, String words, String date) {
+        super();
+        this.title = title;
+        this.author = author;
+        this.words = words;
+        this.date = date;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    public String getWords() {
+        return words;
+    }
+
+    public void setWords(String words) {
+        this.words = words;
+    }
+
+    public String getDate() {
+        return date;
+    }
+
+    public void setDate(String date) {
+        this.date = date;
+    }
+
+}

java-lite/src/main/java/app/services/ArticleService.java

@@ -0,0 +1,13 @@
+package app.services;
+
+import java.util.List;
+
+import app.models.Article;
+
+public interface ArticleService {
+
+    List<Article> getArticles();
+
+    Article search(String keyword);
+
+}

java-lite/src/main/java/app/services/ArticleServiceImpl.java

@@ -0,0 +1,34 @@
+package app.services;
+
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.List;
+
+import app.models.Article;
+
+public class ArticleServiceImpl implements ArticleService {
+
+    public List<Article> getArticles() {
+        return fetchArticles();
+    }
+
+    public Article search(String keyword) {
+        Article ar = new Article("Article with " + keyword, "baeldung", "1250", Instant.now()
+            .toString());
+        return ar;
+    }
+
+    private List<Article> fetchArticles() {
+        Article ar1 = new Article("Introduction to ActiveWeb", "baeldung", "1650", Instant.now()
+            .toString());
+
+        Article ar = new Article("Introduction to Mule", "baeldung", "1650", Instant.now()
+            .toString());
+        List<Article> articles = new ArrayList<Article>();
+        articles.add(ar);
+        articles.add(ar1);
+        return articles;
+
+    }
+
+}

java-lite/src/main/java/app/services/ArticleServiceModule.java

@@ -0,0 +1,12 @@
+package app.services;
+
+import com.google.inject.AbstractModule;
+
+public class ArticleServiceModule extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        bind(ArticleService.class).to(ArticleServiceImpl.class)
+            .asEagerSingleton();
+    }
+}

java-lite/src/main/webapp/WEB-INF/views/article/index.ftl

@@ -0,0 +1,18 @@
+<@content for="title">Articles</@content>
+
+<table>
+    <tr>
+        <td>Title</td>
+        <td>Author</td>
+        <td>Words #</td>
+        <td>Date Published</td>
+    </tr>
+<#list articles as article>
+    <tr>
+        <td>${article.title}</td>
+        <td>${article.author}</td>
+        <td>${article.words}</td>
+        <td>${article.date}</td>
+    </tr>
+</#list>
+</table>

java-lite/src/main/webapp/WEB-INF/views/article/search.ftl

@@ -0,0 +1,17 @@
+<@content for="title">Search</@content>
+
+<table>
+    <tr>
+        <td>Title</td>
+        <td>Author</td>
+        <td>Words #</td>
+        <td>Date Published</td>
+    </tr>
+    <tr>
+        <td>${article.title}</td>
+        <td>${article.author}</td>
+        <td>${article.words}</td>
+        <td>${article.date}</td>
+    </tr>
+
+</table>

java-lite/src/main/webapp/WEB-INF/views/common/error.ftl

@@ -0,0 +1,3 @@
+<@content for="title">Simple Web App</@content>
+
+<h2>Application error</h2>

java-lite/src/main/webapp/WEB-INF/views/home/index.ftl

@@ -0,0 +1,3 @@
+<@content for="title">Simple Web App</@content>
+
+<h2>Baeldung ActiveWeb Demo Application</h2>

java-lite/src/main/webapp/WEB-INF/views/layouts/default_layout.ftl

@@ -0,0 +1,16 @@
+<#setting url_escaping_charset='ISO-8859-1'>
+<html>
+<head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+</head>
+<body>
+
+<div class="main">
+<#include "header.ftl" >
+    <div class="content">
+    ${page_content}
+    </div>
+<#include "footer.ftl" >
+</div>
+</body>
+</html>

java-lite/src/main/webapp/WEB-INF/views/layouts/footer.ftl

@@ -0,0 +1,3 @@
+<div class='footer'>
+    <p>2018 Baeldung. No Rights Reserved.</p>
+</div>

java-lite/src/main/webapp/WEB-INF/views/layouts/header.ftl

@@ -0,0 +1,4 @@
+<div class="header">
+    <h1><a href="${context_path}">Baeldung ActiveWeb Demo</a></h1>
+</div>
+

java-lite/src/main/webapp/WEB-INF/web.xml

@@ -6,6 +6,10 @@
     <filter>
         <filter-name>dispatcher</filter-name>
         <filter-class>org.javalite.activeweb.RequestDispatcher</filter-class>
+        <init-param>
+            <param-name>root_controller</param-name>
+            <param-value>home</param-value>
+        </init-param>
         <init-param>
             <param-name>exclusions</param-name>
             <param-value>css,images,js,ico</param-value>

java-lite/src/test/java/app/controllers/ArticleControllerSpec.java

@@ -0,0 +1,31 @@
+package app.controllers;
+
+import org.javalite.activeweb.ControllerSpec;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.google.inject.Guice;
+
+import app.services.ArticleServiceModule;
+
+public class ArticleControllerSpec extends ControllerSpec {
+
+    @Before
+    public void before() {
+        setInjector(Guice.createInjector(new ArticleServiceModule()));
+    }
+
+    @Test
+    public void whenReturnedArticlesThenCorrect() {
+        request().get("index");
+        a(responseContent()).shouldContain("<td>Introduction to Mule</td>");
+    }
+
+    @Test
+    public void givenKeywordWhenFoundArticleThenCorrect() {
+        request().param("key", "Java")
+            .get("search");
+        a(responseContent()).shouldContain("<td>Article with Java</td>");
+    }
+
+}