MeiziUtil.java

package com.hotbitmapgg.moequest.utils;

import com.hotbitmapgg.moequest.entity.douban.DoubanMeizi;
import com.hotbitmapgg.moequest.entity.gank.GankMeizi;
import com.hotbitmapgg.moequest.entity.gank.GankMeiziInfo;
import com.hotbitmapgg.moequest.entity.meizitu.MeiziTu;
import io.realm.Realm;
import java.util.ArrayList;
import java.util.List;
import okhttp3.ResponseBody;
import retrofit2.Response;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

/**
 * 萌妹纸工具类
 */
public class MeiziUtil {

  private static volatile MeiziUtil mCache;


  private MeiziUtil() {

  }


  public static MeiziUtil getInstance() {

    if (mCache == null) {
      synchronized (MeiziUtil.class) {
        if (mCache == null) {
          mCache = new MeiziUtil();
        }
      }
    }

    return mCache;
  }


  /**
   * 保存gank妹子到数据库中
   */

  public void putGankMeiziCache(List<GankMeiziInfo> gankMeiziInfos) {

    GankMeizi meizi;
    Realm realm = Realm.getDefaultInstance();
    realm.beginTransaction();
    for (int i = 0; i < gankMeiziInfos.size(); i++) {
      meizi = new GankMeizi();
      String url = gankMeiziInfos.get(i).url;
      String desc = gankMeiziInfos.get(i).desc;
      meizi.setUrl(url);
      meizi.setDesc(desc);
      realm.copyToRealm(meizi);
    }
    realm.commitTransaction();
    realm.close();
  }


  /**
   * 保存豆瓣妹子数据到数据库中
   */
  public void putDoubanMeiziCache(int type, Response<ResponseBody> response) {

    try {

      Realm realm = Realm.getDefaultInstance();
      realm.beginTransaction();

      String string = response.body().string();
      Document parse = Jsoup.parse(string);
      Elements elements = parse.select("div[class=thumbnail]>div[class=img_single]>a>img");
      DoubanMeizi meizi;
      for (Element e : elements) {
        String src = e.attr("src");
        String title = e.attr("title");

        meizi = new DoubanMeizi();
        meizi.setUrl(src);
        meizi.setTitle(title);
        meizi.setType(type);

        realm.copyToRealm(meizi);
      }

      realm.commitTransaction();
      realm.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }


  /**
   * 解析妹子图html
   */
  public List<MeiziTu> parserMeiziTuHtml(String html, String type) {

    List<MeiziTu> list = new ArrayList<>();
    Document doc = Jsoup.parse(html);
    Elements links = doc.select("li");

    Element aelement;
    Element imgelement;
    for (int i = 7; i < links.size(); i++) {
      imgelement = links.get(i).select("img").first();
      aelement = links.get(i).select("a").first();
      MeiziTu bean = new MeiziTu();
      bean.setOrder(i);

      bean.setTitle(imgelement.attr("alt"));
      bean.setType(type);
      bean.setHeight(354);
      bean.setWidth(236);
      bean.setImageurl(imgelement.attr("data-original"));
      bean.setUrl(aelement.attr("href"));
      bean.setGroupid(url2groupid(bean.getUrl()));
      list.add(bean);
    }
    return list;
  }


  /**
   * 解析自拍妹子Html
   */
  public List<MeiziTu> parserMeiziTuByAutodyne(String html, String type) {

    List<MeiziTu> list = new ArrayList<>();
    Document doc = Jsoup.parse(html);

    Elements p = doc.getElementsByTag("p");
    MeiziTu meiziTu;
    Element img;
    for (int i = 0; i < 15; i++) {
      meiziTu = new MeiziTu();
      img = p.get(i).select("img").first();
      String src = img.attr("src");
      String title = img.attr("alt");
      meiziTu.setOrder(i);
      meiziTu.setType(type);
      meiziTu.setWidth(0);
      meiziTu.setHeight(0);
      meiziTu.setImageurl(src);
      meiziTu.setTitle(title);
      list.add(meiziTu);
    }
    return list;
  }


  /**
   * 获取妹子图的GroupId
   */
  private int url2groupid(String url) {

    return Integer.parseInt(url.split("/")[3]);
  }


  /**
   * 保存妹子图数据到数据库中
   */
  public void putMeiziTuCache(List<MeiziTu> list) {

    Realm realm = Realm.getDefaultInstance();
    realm.beginTransaction();
    realm.copyToRealmOrUpdate(list);
    realm.commitTransaction();
    realm.close();
  }
}