Added snippet to play video using javaFX

README.md

@@ -47,7 +47,8 @@ Inspired by [30 seconds of code](https://github.com/Chalarangelo/30-seconds-of-c
 
 ### Media
 
-[![Capture screen](https://img.shields.io/badge/-Capture%20screen-e1b050)](#capture-screen) [![link](https://img.shields.io/badge/-Repository%20link-969c56?logo=github)](https://github.com/iluwatar/30-seconds-of-java/blob/master/src/main/java/media/CaptureScreenSnippet.java)
+[![Capture screen](https://img.shields.io/badge/-Capture%20screen-e1b050)](#capture-screen) [![link](https://img.shields.io/badge/-Repository%20link-969c56?logo=github)](https://github.com/iluwatar/30-seconds-of-java/blob/master/src/main/java/media/CaptureScreenSnippet.java)  
+[![Play Video](https://img.shields.io/badge/-Play%20video-e1b050)](#play-video) [![link](https://img.shields.io/badge/-Repository%20link-969c56?logo=github)](https://github.com/iluwatar/30-seconds-of-java/blob/master/src/main/java/media/PlayVideoSnippet.java)
 
 ### Networking
 
@@ -589,6 +590,24 @@ public static int calculateLuhnChecksum(long num) {
     ImageIO.write(image, "png", new File(filename));
   }
 ```
+### Play Video
+
+```java 
+  public void start(Stage stage)throws InterruptedException{
+    //args will contain the media url to play. We can add File selector to show popup
+    Media media = new Media(new File(getParameters().getRaw().get(0)).toURI().toString());
+    media.setOnError(()->Platform.exit());
+    MediaPlayer mediaPlayer = new MediaPlayer(media);
+    mediaPlayer.setAutoPlay(true);
+    mediaPlayer.setOnEndOfMedia(()->Platform.exit());
+    MediaView mediaView = new MediaView(mediaPlayer);
+    Scene scene = new Scene(new Group(),media.getWidth(),media.getHeight());
+    stage.setScene(scene);
+    stage.setTitle("Video Player");
+    ((Group)scene.getRoot()).getChildren().add(mediaView);
+    stage.show();
+  }
+```
 
 ## Networking
 

build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id "com.github.hierynomus.license" version "0.15.0"
     id "org.sonarqube" version "3.0"
+    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_11
     targetCompatibility = JavaVersion.VERSION_11
 }
+javafx {
+    version = "19"
+    modules = [ 'javafx.controls' , 'javafx.fxml', 'javafx.media']
+}
 
 configurations {
     checkstyleConfig
@@ -60,6 +65,7 @@ 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'
+    testCompile "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 +1,76 @@
+/*
+ * 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 {
+  private Media media = null;
+  private MediaPlayer mediaPlayer = null;
+  private MediaView mediaView = null;
+  private Scene scene = null;
+
+  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) {
+    //args will contain the media url to play. We can add File selector to show popup
+    media = new Media(new File(getParameters().getRaw().get(0)).toURI().toString());
+    media.setOnError(() -> Platform.exit());
+    mediaPlayer = new MediaPlayer(media);
+    mediaPlayer.setAutoPlay(true);
+    mediaPlayer.setOnEndOfMedia(() -> Platform.exit());
+    mediaView = new MediaView(mediaPlayer);
+    scene = new Scene(new Group(), media.getWidth(), media.getHeight());
+    stage.setScene(scene);
+    stage.setTitle("Video Player");
+    ((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

@@ -43,9 +43,10 @@ class ListFilesInDirectorySnippetTest {
   @Test
   void testListFilesInDirectory() {
     var files = ListFilesInDirectorySnippet.listFilesInDirectory(new File("src/test/resources"));
-    assertEquals(2, files.length);
-    var filenames = new HashSet<>(Arrays.asList(files[0].toString(), files[1].toString()));
-    assertTrue(filenames.contains("src/test/resources/somelines.txt"));
-    assertTrue(filenames.contains("src/test/resources/someotherlines.txt"));
+    assertEquals(4, files.length);
+    assertTrue(Arrays.asList(files).contains(new File("src/test/resources/somelines.txt")));
+    assertTrue(Arrays.asList(files).contains(new File("src/test/resources/someotherlines.txt")));
+    assertTrue(Arrays.asList(files).contains(new File("src/test/resources/video.mp4")));
+    assertTrue(Arrays.asList(files).contains(new File("src/test/resources/video.wmv")));
   }
 }

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));
+  }
+}