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package musichub.business;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import java.io.File;
import java.io.IOException;
import java.util.Scanner;
import java.util.UUID;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.UnsupportedAudioFileException;
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" : clip.stop();
break;
case "P" : clip.start();
break;
case "R" : clip.setMicrosecondPosition(0);
break;
case "Q" : clip.stop();
break;
default : System.out.println("try again");
}
System.out.println("You stoped the Audio element");
}
clip.close();
}
}
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