package musichub.business; import org.w3c.dom.Document; import org.w3c.dom.Element; import javax.sound.sampled.*; import java.io.File; import java.io.IOException; import java.util.Scanner; import java.util.UUID; public abstract class AudioElement { protected String title; protected String artist; protected int lengthInSeconds; protected UUID uuid; protected String content; public AudioElement(String title, String artist, int lengthInSeconds, String id, String content) { this.title = title; this.artist = artist; this.lengthInSeconds = lengthInSeconds; this.uuid = UUID.fromString(id); this.content = content; } public AudioElement(String title, String artist, int lengthInSeconds, String content) { this.title = title; this.artist = artist; this.lengthInSeconds = lengthInSeconds; this.content = content; this.uuid = UUID.randomUUID(); } public AudioElement(Element xmlElement) { { title = xmlElement.getElementsByTagName("title").item(0).getTextContent(); artist = xmlElement.getElementsByTagName("artist").item(0).getTextContent(); lengthInSeconds = Integer.parseInt(xmlElement.getElementsByTagName("length").item(0).getTextContent()); content = xmlElement.getElementsByTagName("content").item(0).getTextContent(); String uuid = null; try { uuid = xmlElement.getElementsByTagName("UUID").item(0).getTextContent(); } catch (Exception ex) { System.out.println("Empty element UUID, will create a new one"); } if ((uuid == null) || (uuid.isEmpty())) this.uuid = UUID.randomUUID(); else this.uuid = UUID.fromString(uuid); } } public UUID getUUID() { return this.uuid; } public String getArtist() { return this.artist; } public String getTitle() { return this.title; } public String toString() { return "Title = " + this.title + ", Artist = " + this.artist + ", Length = " + this.lengthInSeconds + ", Content = " + this.content; } public void createXMLElement(Document document, Element parentElement) { Element nameElement = document.createElement("title"); nameElement.appendChild(document.createTextNode(title)); parentElement.appendChild(nameElement); Element artistElement = document.createElement("artist"); artistElement.appendChild(document.createTextNode(artist)); parentElement.appendChild(artistElement); Element lengthElement = document.createElement("length"); lengthElement.appendChild(document.createTextNode(Integer.valueOf(lengthInSeconds).toString())); parentElement.appendChild(lengthElement); Element UUIDElement = document.createElement("UUID"); UUIDElement.appendChild(document.createTextNode(uuid.toString())); parentElement.appendChild(UUIDElement); Element contentElement = document.createElement("content"); contentElement.appendChild(document.createTextNode(content)); parentElement.appendChild(contentElement); } public void manageAudioElement() throws UnsupportedAudioFileException, IOException, LineUnavailableException { Scanner scanner = new Scanner(System.in); File file = new File(this.content); AudioInputStream audioStream = AudioSystem.getAudioInputStream(file); Clip clip = AudioSystem.getClip(); clip.open(audioStream); String action = ""; while (!action.equals("Q")) { System.out.println("P = Play \b S = Stop \b R = Reset \b Q = Quit"); System.out.println("Enter your choice"); action = scanner.next(); action = action.toUpperCase(); switch (action) { case "S", "Q" -> clip.stop(); case "P" -> clip.start(); case "R" -> clip.setMicrosecondPosition(0); default -> System.out.println("try again"); } System.out.println("You stopped the Audio element"); } clip.close(); } }