com.shahnami.fetch.Controller.FetchMusic.java Source code

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Here is the source code for com.shahnami.fetch.Controller.FetchMusic.java

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package com.shahnami.fetch.Controller;

import com.google.api.client.http.HttpRequest;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.youtube.YouTube;
import com.google.api.services.youtube.model.ResourceId;
import com.google.api.services.youtube.model.SearchListResponse;
import com.google.api.services.youtube.model.SearchResult;
import com.google.api.services.youtube.model.Thumbnail;
import com.shahnami.fetch.Model.Song;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.json.JSONException;
import org.json.JSONObject;

/**
 *
 * @author nami
 */
public class FetchMusic {
    List<Song> _songs;
    static YouTube youtube;
    static final long NUMBER_OF_VIDEOS_RETURNED = 50;
    int RECURSE;

    public FetchMusic() {
        _songs = new ArrayList<>();
        RECURSE = 0;
    }

    public boolean isYTLink(String query) {
        String pattern = "https?:\\/\\/(?:[0-9A-Z-]+\\.)?(?:youtu\\.be\\/|youtube\\.com\\S*[^\\w\\-\\s])([\\w\\-]{11})(?=[^\\w\\-]|$)(?![?=&+%\\w]*(?:['\"][^<>]*>|<\\/a>))[?=&+%\\w]*";
        Pattern compiledPattern = Pattern.compile(pattern, Pattern.CASE_INSENSITIVE);
        Matcher matcher = compiledPattern.matcher(query);
        while (matcher.matches()) {
            System.out.println(matcher.group());
            return true;
        }
        return false;
    }

    public List<Song> getSongs(String query) {
        try {
            youtube = new YouTube.Builder(new NetHttpTransport(), new JacksonFactory(),
                    new HttpRequestInitializer() {
                        @Override
                        public void initialize(HttpRequest request) throws IOException {
                        }
                    }).setApplicationName("Fetch").build();
            YouTube.Search.List search = youtube.search().list("id,snippet");
            String apiKey = "AIzaSyBgHBggmLq7Zr5HWk0-gL8SyLDPZl6m6gQ";
            search.setKey(apiKey);
            search.setQ(query);
            search.setType("video");
            search.setFields(
                    "items(id/kind,id/videoId,snippet/title,snippet/channelTitle,snippet/publishedAt,snippet/thumbnails/default/url)");
            search.setMaxResults(NUMBER_OF_VIDEOS_RETURNED);

            // Call the API and print results.
            SearchListResponse searchResponse = search.execute();
            List<SearchResult> searchResultList = searchResponse.getItems();
            Iterator<SearchResult> it = searchResultList.iterator();

            if (!it.hasNext()) {
                System.out.println(" There aren't any results for your query.");
            }
            while (it.hasNext()) {
                SearchResult singleVideo = it.next();
                ResourceId rId = singleVideo.getId();
                if (rId.getKind().equals("youtube#video")) {
                    Thumbnail thumbnail = singleVideo.getSnippet().getThumbnails().getDefault();
                    Song s = new Song();
                    s.setTitle(singleVideo.getSnippet().getTitle());
                    s.setThumbnail(thumbnail.getUrl());
                    s.setLink("https://www.youtube.com/watch?v=" + rId.getVideoId());
                    s.setAuthor(singleVideo.getSnippet().getChannelTitle());
                    s.setPubDate(singleVideo.getSnippet().getPublishedAt().toString().split("T")[0]);
                    _songs.add(s);
                }
            }
        } catch (IOException ex) {
            Logger.getLogger(FetchMusic.class.getName()).log(Level.SEVERE, null, ex);
        }
        return _songs;
    }

    public String getDownloadLink(String link) {
        String downloadUrl = "";
        try {
            JSONObject json = JsonReader
                    .readJsonFromUrl("http://youtubeinmp3.com/fetch/?&format=JSON&video=" + link);
            downloadUrl = json.getString("link");
        } catch (IOException | JSONException ex) {
            RECURSE++;
            if (RECURSE < 5)
                return getDownloadLink(link);
            else
                Logger.getLogger(FetchMusic.class.getName()).log(Level.SEVERE, null, ex);
        }
        return downloadUrl;
    }
}