Spring starter

.gitignore

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+*.db
+##############################
+## Java
+##############################
+.mtj.tmp/
+*.class
+*.jar
+*.war
+*.ear
+*.nar
+hs_err_pid*
+
+##############################
+## Maven
+##############################
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+pom.xml.bak
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+##############################
+## Gradle
+##############################
+bin/
+build/
+.gradle
+.gradletasknamecache
+gradle-app.setting
+!gradle-wrapper.jar
+
+##############################
+## IntelliJ
+##############################
+out/
+.idea/
+.idea_modules/
+*.iml
+*.ipr
+*.iws
+
+##############################
+## Eclipse
+##############################
+.settings/
+bin/
+tmp/
+.metadata
+.classpath
+.project
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.loadpath
+.factorypath
+
+##############################
+## NetBeans
+##############################
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+nbactions.xml
+nb-configuration.xml
+
+##############################
+## Visual Studio Code
+##############################
+.vscode/
+.code-workspace
+
+##############################
+## OS X
+##############################
+.DS_Store

pom.xml

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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>be.syntra</groupId>
+  <artifactId>jordiquote-spring-xml</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>jar</packaging>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>5.7.1</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <!-- https://github.com/ricksbrown/cowsay -->
+            <groupId>com.github.ricksbrown</groupId>
+            <artifactId>cowsay</artifactId>
+            <version>1.1.0</version>
+            <!-- The "lib" classifier is optional, but it gives you a MUCH smaller jar which is all you need as a Java library -->
+            <classifier>lib</classifier>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.24</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
+        <!-- https://projectlombok.org/-->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.20</version>
+            <scope>provided</scope>
+        </dependency>
+
+
+
+    </dependencies>
+</project>

src/main/java/be/syntra/App.java

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+package be.syntra;
+
+import be.syntra.cowsay.*;
+
+import java.util.Scanner;
+
+public class App {
+
+  public static void main(String[] args) {
+    /**
+     * Dependency Injection is a technique of creating software in which objects do not create their dependencies on itself.
+     * instead objects declare dependencies that they need and it an external object or framework to provide
+     * concrete dependencies to objects
+     */
+
+    CowSay cowSay = new DragonCowSay();
+    QuoteDao quoteDao = new QuoteDaoMysql();
+    cowSay.setQuoteDao(quoteDao);
+    cowSay.showQuote();
+
+    Scanner in = new Scanner(System.in);
+    System.out.println("Did you like this quote ? (y/n)");
+    while(true) {
+      String line = in.nextLine();
+      if (line.equalsIgnoreCase("y")) {
+        cowSay.voteDown();
+        break;
+      } else if(line.equalsIgnoreCase("n")) {
+        cowSay.voteUp();
+        break;
+      } else {
+        System.out.println("Please enter y/n");
+      }
+    }
+  }
+}

src/main/java/be/syntra/cowsay/CowSay.java

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+package be.syntra.cowsay;
+
+public interface CowSay {
+    void showQuote();
+    void voteUp();
+    void voteDown();
+    void setQuoteDao(QuoteDao quoteDao);
+}
+

src/main/java/be/syntra/cowsay/DragonCowSay.java

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+package be.syntra.cowsay;
+import com.github.ricksbrown.cowsay.Cowsay;
+
+public class DragonCowSay implements CowSay {
+    QuoteDao quoteDao;
+    Quote quote;
+
+    public void setQuoteDao(QuoteDao quoteDao) {
+        this.quoteDao = quoteDao;
+    }
+
+    @Override
+    public void showQuote() {
+        quote = quoteDao.getRandomQuote();
+        String cow = "dragon";
+        String[] cowArgs = new String[]{"-f", cow, quote.getAuthor() +" Says: " + quote.getQuote()};
+        String result = Cowsay.say(cowArgs);
+        System.out.println(result);
+    }
+
+    @Override
+    public void voteUp() {
+        quoteDao.likeQuote(quote);
+    }
+
+    @Override
+    public void voteDown() {
+        quoteDao.dislikeQuote(quote);
+    }
+}

src/main/java/be/syntra/cowsay/OriginalCowSay.java

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+package be.syntra.cowsay;
+import com.github.ricksbrown.cowsay.Cowsay;
+
+public class OriginalCowSay implements CowSay {
+    QuoteDao quoteDao;
+    Quote quote;
+
+    public void setQuoteDao(QuoteDao quoteDao) {
+        this.quoteDao = quoteDao;
+    }
+
+    @Override
+    public void showQuote() {
+        quote = quoteDao.getRandomQuote();
+        String cow = "dragon";
+        String[] cowArgs = new String[]{quote.getAuthor() +" Says: " + quote.getQuote()};
+        String result = Cowsay.say(cowArgs);
+        System.out.println(result);
+    }
+
+    @Override
+    public void voteUp() {
+        quoteDao.likeQuote(quote);
+    }
+
+    @Override
+    public void voteDown() {
+        quoteDao.dislikeQuote(quote);
+    }
+
+
+}

src/main/java/be/syntra/cowsay/Quote.java

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+package be.syntra.cowsay;
+
+import lombok.Data;
+
+@Data
+public class Quote {
+    private int id;
+    private String author;
+    private String quote;
+    private int likes;
+    private int dislikes;
+
+}

src/main/java/be/syntra/cowsay/QuoteDao.java

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+package be.syntra.cowsay;
+
+public interface QuoteDao {
+    Quote getRandomQuote();
+    void likeQuote(Quote quote);
+    void dislikeQuote(Quote quote);
+
+}

src/main/java/be/syntra/cowsay/QuoteDaoDummy.java

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+package be.syntra.cowsay;
+
+public class QuoteDaoDummy implements QuoteDao {
+    @Override
+    public Quote getRandomQuote() {
+        Quote quote = new Quote();
+        quote.setId(0);
+        quote.setAuthor("dummy author");
+        quote.setQuote("dummy quote");
+        quote.setLikes(0);
+        quote.setDislikes(0);
+        return quote;
+
+    }
+
+    @Override
+    public void likeQuote(Quote quote) {
+
+    }
+
+    @Override
+    public void dislikeQuote(Quote quote) {
+
+    }
+}

src/main/java/be/syntra/cowsay/QuoteDaoMysql.java

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+package be.syntra.cowsay;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.sql.*;
+import java.util.Properties;
+
+public class QuoteDaoMysql implements QuoteDao {
+    private static String url;
+    private static String usr;
+    private static String pass;
+
+    static {
+        try (InputStream in = QuoteDaoMysql.class.getResourceAsStream("/app.properties")) {
+            Properties properties = new Properties();
+            properties.load(in);
+            url = properties.getProperty("url");
+            usr = properties.getProperty("usr");
+            pass = properties.getProperty("pass");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public Quote getRandomQuote() {
+        String sql = "SELECT * FROM jordiquotes ORDER BY RAND() LIMIT 1";
+        try (Connection con = DriverManager.getConnection(url, usr, pass);
+             PreparedStatement ps = con.prepareStatement(sql)) {
+            try (ResultSet rs = ps.executeQuery()) {
+                if (rs.next()) {
+                    Quote quote = new Quote();
+                    quote.setId(rs.getInt("id"));
+                    quote.setAuthor(rs.getString("author"));
+                    quote.setQuote(rs.getString("quote"));
+                    quote.setLikes(rs.getInt("likes"));
+                    quote.setDislikes(rs.getInt("dislikes"));
+                    return quote;
+                }
+            } catch (SQLException throwables) {
+                throwables.printStackTrace();
+            }
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        }
+        return null;
+    }
+
+    @Override
+    public void likeQuote(Quote quote) {
+            String sql = "UPDATE jordiquotes SET likes = likes + 1 WHERE ID = ?";
+            try (Connection con = DriverManager.getConnection(url,usr,pass);
+                 PreparedStatement ps = con.prepareStatement(sql)){
+                ps.setInt(1, quote.getId());
+                ps.executeUpdate();
+            } catch (SQLException e) {
+                e.printStackTrace();
+            }
+    }
+
+    @Override
+    public void dislikeQuote(Quote quote) {
+        String sql = "UPDATE jordiquotes SET dislikes = dislikes + 1 WHERE ID = ?";
+        try (Connection con = DriverManager.getConnection(url,usr,pass);
+             PreparedStatement ps = con.prepareStatement(sql)){
+            ps.setInt(1, quote.getId());
+            ps.executeUpdate();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+    }
+}

src/main/resources/app.properties

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+url=jdbc:mysql://ID109462_crud.db.webhosting.be:3306/ID109462_crud
+usr=ID109462_crud
+pass=code4croissants

src/test/java/be/syntra/AppTest.java

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+package be.syntra;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.junit.jupiter.api.Test;
+
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest
+{
+  /**
+   * Rigorous Test :-)
+   */
+  @Test
+  public void shouldAnswerWithTrue()
+  {
+    assertTrue( true );
+  }
+}