Esempio n. 1
0
  public List<VideoItem> search(String keywords) {
    query.setQ(keywords);
    try {
      SearchListResponse response = query.execute();
      List<SearchResult> results = response.getItems();

      List<VideoItem> items = new ArrayList<VideoItem>();
      for (SearchResult result : results) {
        VideoItem item = new VideoItem();
        item.setTitle(result.getSnippet().getTitle());
        try {
          item.setPublishedDate(
              new SimpleDateFormat("MM/dd/yyy")
                  .format(
                      (new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'")
                          .parse(result.getSnippet().getPublishedAt().toString()))));
        } catch (ParseException e) {
          Log.d(TAG, "Could parse the date: " + e);
        }
        item.setDescription(result.getSnippet().getDescription());
        item.setThumbnailURL(result.getSnippet().getThumbnails().getDefault().getUrl());
        item.setId(result.getId().getVideoId());
        items.add(item);
      }
      return items;
    } catch (IOException e) {
      Log.d(TAG, "Could not search: " + e);
      return null;
    }
  }
Esempio n. 2
0
  public ArrayList<YoutubeVideo> loadMore(String offset, String keyword, int max) {
    try {
      query = youtube.search().list("id,snippet");
      query.setKey(this.KEY);
      query.setOrder("date");
      query.setType("video");
      query.setChannelId(this.channel_id);
      if (keyword != null) {
        query.setQ(keyword);
      }
      query.setPageToken(offset);
      query.setMaxResults((long) max);
      query.setFields(queryParams);
    } catch (IOException e) {
      Log.d("MORE", "Could not load more: " + e.getMessage());
    }

    SearchListResponse response = null;
    try {
      response = query.execute();

    } catch (GoogleJsonResponseException e) {
      switch (e.getStatusCode()) {
        case 403:
          this.KEY = this.context.getString(R.string.api_key2);
          query.setKey(this.KEY);
          try {
            response = query.execute();
          } catch (IOException e1) {
            Log.d("MORE-KEY2", "Could not initialize: " + e1.getMessage());
          }
      }
    } catch (IOException e) {
      Log.d("MORE", "Could not execute more: " + e.getMessage());
      return null;
    }
    List<SearchResult> results = response.getItems();

    ArrayList<YoutubeVideo> items = new ArrayList<YoutubeVideo>();
    for (SearchResult result : results) {
      YoutubeVideo item = new YoutubeVideo();
      item.setTitle(result.getSnippet().getTitle());
      item.setDescription(result.getSnippet().getDescription());
      item.setThumbnailURL(result.getSnippet().getThumbnails().getMedium().getUrl());
      item.setId(result.getId().getVideoId());
      item.setNextPageToken(response.getNextPageToken());
      if (keyword != null) {
        item.setKeyword(keyword);
      }
      try {
        item.setDate(getDateFormat().parse(result.getSnippet().getPublishedAt().toString()));
      } catch (ParseException e) {
        e.printStackTrace();
      }
      item.setChannel_id(this.channel_id);
      items.add(item);
    }
    return items;
  }
  @SuppressWarnings("deprecation")
  @Override
  public Boolean crawl(RssEntityBean site) throws CrawlerException {
    log.info("start YouTube crawl channel id = " + site.url);
    Boolean updated = false;
    YouTube youtube =
        new YouTube.Builder(
                HTTP_TRANSPORT,
                JSON_FACTORY,
                new HttpRequestInitializer() {
                  public void initialize(HttpRequest request) throws IOException {}
                })
            .setApplicationName("youtube-cmdline-search-sample")
            .build();

    try {
      YouTube.Search.List search = youtube.search().list("id,snippet");
      String apiKey = Conf.getValue("youtube.appkey");
      search.setKey(apiKey);
      search.setType("video");
      search.setOrder("date");
      search.setMaxResults(maxResult);
      search.setChannelId(site.url);

      SearchListResponse searchResponse = search.execute();
      List<SearchResult> searchResultList = searchResponse.getItems();
      log.info("search response video count = " + searchResultList.size());
      for (SearchResult result : searchResultList) {

        SearchResultSnippet snippet = result.getSnippet();
        DateTime publishDate = snippet.getPublishedAt();
        DateTime lastCrawlDate = null;
        if (site.lastCrawl != null) {
          lastCrawlDate = new DateTime(site.lastCrawl);
        }
        if ((lastCrawlDate == null) || (publishDate.getValue() > lastCrawlDate.getValue())) {
          YouTube.Videos.List videolist = youtube.videos().list("id,snippet");
          videolist.setId(result.getId().getVideoId());
          videolist.setKey(apiKey);
          VideoListResponse videoListResponse = videolist.execute();
          List<Video> videos = videoListResponse.getItems();
          if (videos.size() != 1) {
            log.warn("video not found : " + videolist.getId());
            continue;
          }
          Video video = videos.get(0);

          ArticleEntityBean article = new ArticleEntityBean();
          article.link = video.getId();
          article.title = snippet.getTitle();
          article.description = snippet.getDescription();
          article.imageUrl = snippet.getThumbnails().getDefault().getUrl();
          article.url = site.url;
          article.createdAt = snippet.getPublishedAt();
          String fixHour = Conf.getValue("fix_time");
          Date now = new Date();
          Date fixDate =
              new Date(now.getYear(), now.getMonth(), now.getDate(), Integer.parseInt(fixHour), 0);
          if (now.getTime() > fixDate.getTime()) {
            article.publishedAt = tomorrow;
          } else {
            article.publishedAt = today;
          }
          article.site = site.site;
          article.type = site.type;
          article.tags = site.defaultTag;
          log.info("save article video id = " + article.link + " / video title = " + article.title);
          article.save();
          updated = true;
        }
      }
    } catch (IOException e) {
      log.warn("youtube api error : " + e.getMessage());
      throw new CrawlerException(e);
    }
    log.info("end YouTube crawl");
    return updated;
  }
Esempio n. 4
0
  /**
   * Initializes YouTube object to search for videos on YouTube (Youtube.Search.List). The program
   * then prints the names and thumbnails of each of the videos (only first 50 videos).
   */
  public String videoIdFromQueryTerm(String queryTerm) {
    // Read the developer key from youtube.properties
    String videoId = null;
    Properties properties = new Properties();
    //        try {
    //            InputStream in = Search.class.getResourceAsStream("/" + PROPERTIES_FILENAME);
    //            properties.load(in);
    //
    //        } catch (IOException e) {
    //            System.err.println("There was an error reading " + PROPERTIES_FILENAME + ": " +
    // e.getCause()
    //                    + " : " + e.getMessage());
    //            System.exit(1);
    //        }

    try {
      /*
       * The YouTube object is used to make all API requests. The last argument is required, but
       * because we don't need anything initialized when the HttpRequest is initialized, we override
       * the interface and provide a no-op function.
       */
      youtube =
          new YouTube.Builder(
                  HTTP_TRANSPORT,
                  JSON_FACTORY,
                  new HttpRequestInitializer() {
                    public void initialize(HttpRequest request) throws IOException {}
                  })
              .setApplicationName("youtube-cmdline-search-sample")
              .build();

      // Get query term from user.
      // String queryTerm = getInputQuery();

      YouTube.Search.List search = youtube.search().list("id,snippet");
      /*
       * It is important to set your developer key from the Google Developer Console for
       * non-authenticated requests (found under the API Access tab at this link:
       * code.google.com/apis/). This is good practice and increased your quota.
       */
      String apiKey = "AIzaSyB--WhmXYTrUlitFPWtiPZu8V1w_iPRCbw";
      search.setKey(apiKey);
      search.setQ(queryTerm);
      /*
       * We are only searching for videos (not playlists or channels). If we were searching for
       * more, we would add them as a string like this: "video,playlist,channel".
       */
      search.setType("video");
      /*
       * This method reduces the info returned to only the fields we need and makes calls more
       * efficient.
       */
      search.setFields("items(id/kind,id/videoId,snippet/title,snippet/thumbnails/default/url)");
      search.setMaxResults(NUMBER_OF_VIDEOS_RETURNED);
      SearchListResponse searchResponse = search.execute();

      List<SearchResult> searchResultList = searchResponse.getItems();

      SearchResult searchResult = searchResultList.get(0);
      ResourceId rId = searchResult.getId();
      videoId = rId.getVideoId();
      //            if (searchResultList != null) {
      //                prettyPrint(searchResultList.iterator(), queryTerm);
      //            }
    } catch (GoogleJsonResponseException e) {
      System.err.println(
          "There was a service error: "
              + e.getDetails().getCode()
              + " : "
              + e.getDetails().getMessage());
    } catch (IOException e) {
      System.err.println("There was an IO error: " + e.getCause() + " : " + e.getMessage());
    } catch (Throwable t) {
      t.printStackTrace();
    }
    return videoId;
  }