YoutubeSearch.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.LinkedList;
import java.util.List;

import de.zigapeda.flowspring.interfaces.TreeRow;

public class YoutubeSearch implements TreeRow {
	
	private String search = null;
	
	public YoutubeSearch(String searchstring) {
		this.search = searchstring;
	}

	public int getId() {
		return 0;
	}
	
	public Integer getInt() {
		return null;
	}
	
	public String getName() {
		return "Youtube";
	}

	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 null;
	}

	public String getComment() {
		return null;
	}

	public String getRating() {
		return null;
	}

	public String getPlaycount() {
		return null;
	}

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

	public List<DataNode> getYoutubeTracks(DataNode parent) {
		List<DataNode> list = new LinkedList<>();
		search = search.replace(' ', '+');
		String searchUrl = "http://www.youtube.com/results?search_query="
				+ search;
		try {
			URL u = new URL(searchUrl);
			InputStream is = u.openConnection().getInputStream();
			BufferedReader br = new BufferedReader(new InputStreamReader(is));
    		String line = "";
    		boolean sr = false;
    		while ((line = br.readLine()) != null) {
    			if(line.contains("<ol id=\"search-results\"")) {
    				sr = true;
    			}
    			if(line.contains("</ol>")) {
    				sr = false;
    			}
				if(line.contains("<li") && sr == true) {
					int pos = line.indexOf("data-context-item-title=");
					if(pos > -1) {
						pos = pos + 25;
	    				String name = line.substring(pos, line.indexOf("\"",pos));
						pos = line.indexOf("data-context-item-id=");
						if(pos > -1) {
							pos = pos + 22;
							String url = "http://www.youtube.com/watch?v=" + line.substring(pos, line.indexOf("\"",pos));
							pos = line.indexOf("data-context-item-time=");
							if(pos > -1) {
								pos = pos + 24;
								String time = line.substring(pos, line.indexOf("\"",pos));
								list.add(new DataNode(new YoutubeVideo(name, url, time),parent,null));
							}
						}
					}
				}
			}
			is.close();
		} catch (MalformedURLException e1) {
		} catch (IOException e1) {
		}
		return list;
	}

}