Added snippet to play video using javaFX

.github/workflows/gradle-pr-builder.yml

@@ -23,7 +23,8 @@ jobs:
       uses: actions/setup-java@v3
       with:
         java-version: '17'
-        distribution: 'temurin'
+        distribution: 'zulu'
+        java-package: jdk+fx
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Build and analyze with Gradle

README.md

@@ -621,6 +621,27 @@ public static int calculateLuhnChecksum(long num) {
     ImageIO.write(image, "png", new File(filename));
   }
 ```
+### Play Video
+
+```java 
+  public class PlayVideoSnippet extends Application {
+
+    public static void main(String[] args) {
+      Application.launch(PlayVideoSnippet.class, args);
+    }
+
+    public void start(Stage stage)throws InterruptedException{
+      var media = new Media(new File(getParameters().getRaw().get(0)).toURI().toString());
+      var mediaPlayer = new MediaPlayer(media);
+      mediaPlayer.setAutoPlay(true);
+      var mediaView = new MediaView(mediaPlayer);
+      var scene = new Scene(new Group(), media.getWidth(), media.getHeight());
+      stage.setScene(scene);
+      ((Group) scene.getRoot()).getChildren().add(mediaView);
+      stage.show();
+    }
+  }
+```
 
 ## Networking
 

build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id "org.sonarqube" version "3.0"
     id 'org.cadixdev.licenser' version '0.6.1'
+    id 'org.openjfx.javafxplugin' version '0.0.13'
 }
 
 // Apply the java plugin to add support for Java
@@ -10,6 +11,10 @@ java {
     sourceCompatibility = JavaVersion.VERSION_17
     targetCompatibility = JavaVersion.VERSION_17
 }
+javafx {
+    version = "19"
+    modules = [ 'javafx.controls' , 'javafx.fxml', 'javafx.media']
+}
 
 configurations {
     checkstyleConfig
@@ -53,6 +58,7 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.6.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-params:5.6.2'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.6.2'
+    testImplementation "org.testfx:testfx-junit5:4.0.16-alpha"
 
     checkstyleConfig dependencies.create("com.puppycrawl.tools:checkstyle:${checkstyle.toolVersion}") {
         transitive = false

src/main/java/media/PlayVideoSnippet.java

@@ -0,0 +1,73 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2017-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package media;
+
+import java.io.File;
+import javafx.application.Application;
+import javafx.application.Platform;
+import javafx.scene.Group;
+import javafx.scene.Scene;
+import javafx.scene.media.Media;
+import javafx.scene.media.MediaPlayer;
+import javafx.scene.media.MediaView;
+import javafx.stage.Stage;
+
+/**
+ * PlayVideoSnippet.
+ *
+ */
+
+public class PlayVideoSnippet extends Application {
+
+  /**
+   * Main method that launch the video player.
+   *
+   * @param args : should contain one arg, referring to path of video file to play.
+   */
+  public static void main(String[] args) {
+    Application.launch(PlayVideoSnippet.class, args);
+  }
+
+  /**
+   * Plays video.
+   *
+   * @param stage the primary stage for this application,
+   *              onto which the application scene can be set.
+   *              Applications may create other stages, if needed,
+   *              but they will not be primary stages.
+   */
+
+  @Override
+  public void start(Stage stage) {
+    var media = new Media(new File(getParameters().getRaw().get(0)).toURI().toString());
+    var mediaPlayer = new MediaPlayer(media);
+    mediaPlayer.setAutoPlay(true);
+    var mediaView = new MediaView(mediaPlayer);
+    var scene = new Scene(new Group(), media.getWidth(), media.getHeight());
+    stage.setScene(scene);
+    ((Group) scene.getRoot()).getChildren().add(mediaView);
+    stage.show();
+  }
+}

src/test/java/file/ListAllFilesSnippetTest.java

@@ -39,6 +39,6 @@ class ListAllFilesSnippetTest {
   @Test
   void testListAllFiles() {
     var files = ListAllFilesSnippet.listAllFiles("src/test/resources");
-    assertEquals(6, files.size());
+    assertEquals(8, files.size());
   }
 }

src/test/java/file/ListFilesInDirectorySnippetTest.java

@@ -31,6 +31,7 @@
 import java.nio.file.Paths;
 import java.util.Arrays;
 import java.util.HashSet;
+import java.util.stream.Collectors;
 import org.junit.jupiter.api.Test;
 
 
@@ -47,13 +48,20 @@ void testListFilesInDirectory() {
     var files = ListFilesInDirectorySnippet.listFilesInDirectory(
         Paths.get("src", "test", "resources").toString()
     );
-    assertEquals(2, files.length);
-    var filenames = new HashSet<>(Arrays.asList(files[0].toString(), files[1].toString()));
+    assertEquals(4, files.length);
+    var filenames = new HashSet<>(Arrays.stream(files).map(File::toString)
+            .collect(Collectors.toList()));
     assertTrue(filenames.contains(
         Paths.get("src", "test", "resources", "somelines.txt").toString()
     ));
     assertTrue(filenames.contains(
         Paths.get("src", "test", "resources", "someotherlines.txt").toString()
     ));
+    assertTrue(filenames.contains(
+            Paths.get("src", "test", "resources", "video.mp4").toString()
+    ));
+    assertTrue(filenames.contains(
+            Paths.get("src", "test", "resources", "video.wmv").toString()
+    ));
   }
 }

src/test/java/media/PlayVideoSnippetTest.java

@@ -0,0 +1,62 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2017-2019 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package media;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import javafx.scene.media.MediaException;
+import org.junit.jupiter.api.Test;
+import org.testfx.framework.junit5.ApplicationTest;
+
+/*
+ * Tests for 30 Seconds of Java code library
+ *
+ */
+
+class PlayVideoSnippetTest extends ApplicationTest {
+  /**
+   * Tests for {@link PlayVideoSnippet#main(String[] args)}}.
+   */
+
+  final String pathOfSupportedFile = "src/test/resources/video.mp4";
+  final String pathOfUnsupportedFile = "src/test/resources/video.wmv";
+
+
+  @Test
+  void testSupportedVideoFilePlaysSuccessfully() throws Exception {
+    assertDoesNotThrow(() -> PlayVideoSnippetTest.launch(PlayVideoSnippet.class,
+            new String[]{pathOfSupportedFile}));
+  }
+
+  @Test
+  void testUnsupportedVideoFileThrowsError() throws Exception {
+    RuntimeException exception = assertThrows(RuntimeException.class,
+        () -> PlayVideoSnippetTest.launch(PlayVideoSnippet.class,
+                    new String[]{pathOfUnsupportedFile}));
+    assertTrue(exception.getCause().getCause().getClass().equals(MediaException.class));
+  }
+}

src/test/java/network/HttpPostSnippetTest.java

@@ -46,7 +46,7 @@ void testHttpPost() throws IOException, InterruptedException {
     var result = HttpPostSnippet.httpPost("https://postman-echo.com/post", arguments);
     //This postman endpoint echoes the HTTP headers, request parameters, the contents
     //of the request body and the complete URI requested.
-    var echoedData = "\"data\":\"Hello World\"";
+    var echoedData = "\"data\": \"Hello World\"";
     assertThat(result.body(), containsString(echoedData));
   }
 }