YoutubeVideo.java

package de.zigapeda.flowspring.data;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;

import de.zigapeda.flowspring.interfaces.TreeRow;

public class YoutubeVideo implements TreeRow {
	private final static String[] QUALITYORDER = new String[] { "37", "46",
			"22", "45", // HD
			"35", "44", "18", "34", "43", // SD
			"36", "5", "17" // LD
	};

	public final static int HD = 0;
	public final static int SD = 4;
	public final static int LD = 9;

	private int quality = 4; // 0 for HD or lower, 4 for SD or lower, 9 for LD

	private String name;
	private String url;
	private String videoUrl;
	private Integer time;

	public YoutubeVideo(String name, String url, String time) {
		this.name = name.replaceAll("&", "&").replaceAll("&", "&").replaceAll("'", "'").replaceAll(""", "\"").replaceAll("<", "<").replaceAll(">", ">");
		this.url = url;
		this.time = 0;
		int multiply = 1;
		int pos = 0;
		while((pos = time.lastIndexOf(":")) > -1) {
			this.time += Integer.valueOf(time.substring(pos + 1)) * multiply;
			time = time.substring(0, pos);
			multiply = multiply * 60;
		}
		this.time += Integer.valueOf(time) * multiply;
		this.videoUrl = null;
	}

	public String getName() {
		return name;
	}

	public String getVideoUrl() {
		if (videoUrl == null) {
			this.parseUrl();
		}
		return videoUrl;
	}

	public void setQuality(int q) {
		this.quality = q;
	}

	private void parseUrl() {
		if (!this.url.startsWith("http://")) {
			if (this.url.length() == "ophDZlhbXIo".length()) {
				this.url = "http://www.youtube.com/watch?v=" + this.url;
			} else {
				this.url = "http://" + this.url;
			}
		}
		try {
			URL u = new URL(this.url);
			InputStream is = u.openConnection().getInputStream();
			BufferedReader br = new BufferedReader(new InputStreamReader(is));
			String line = "";
			while ((line = br.readLine()) != null) {
				try {
					if (line.matches("(.*)\"url_encoded_fmt_stream_map\":(.*)")) {

						HashMap<String, String> videoUrls = new HashMap<String, String>();
						line = line
								.replaceFirst(
										".*\"url_encoded_fmt_stream_map\": \"",
										"").replaceFirst("\".*", "")
								.replace("%25", "%").replace("\\u0026", "&")
								.replace("\\", "");
						String[] ytUrls = line.split(",");
						for (String urlString : ytUrls) {
							String[] ytUrl = urlString.split("&url=");
							ytUrl[0] = ytUrl[0].substring(5);
							ytUrl[1] = ytUrl[1].replaceFirst("%3A", ":")
									.replaceAll("%3F", "?")
									.replaceAll("%2F", "/")
									.replaceAll("%3D", "=")
									.replaceAll("%26", "&")
									.replaceAll("\\u0026", "&")
									.replaceAll("%252C", "%2C")
									.replaceAll("sig=", "signature=");
							videoUrls.put(ytUrl[0], ytUrl[1]);
						}
						for (int i = quality; i < QUALITYORDER.length; i++) {
							if (videoUrls.containsKey(QUALITYORDER[i])) {
								this.videoUrl = videoUrls.get(QUALITYORDER[i]);
								break;
							}
						}
						if (this.videoUrl == null) {
							this.videoUrl = (String) videoUrls.values()
									.toArray()[0];
						}
					}
				} catch (NullPointerException npe) {
				}
			}
			is.close();
		} catch (MalformedURLException e1) {
		} catch (IOException e1) {
		}
	}
	
	public int getId() {
		return 0;
	}
	
	public Integer getInt() {
		return this.time;
	}

	public String getArtist() {
		return null;
	}

	public String getAlbum() {
		return null;
	}

	public String getGenre() {
		return null;
	}

	public String getTrack() {
		return null;
	}

	public String getYear() {
		return null;
	}

	public Integer getDuration() {
		return this.time;
	}

	public String getComment() {
		return null;
	}

	public String getRating() {
		return null;
	}

	public String getPlaycount() {
		return null;
	}

	public Integer getType() {
		return TreeRow.YoutubeVideo;
	}

}