Android Open Source - imslpdroid Restricted Composers Activity

• Back to Sound/music  ↑

From Project

Back to project page imslpdroid.

License

The source code is released under:

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, includin...

Java Source Code

package com.imslpdroid;
/*w ww .  jav a2 s .  c  om*/
import java.io.IOException;
import java.net.URLEncoder;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

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

import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.TextView;

import com.imslpdroid.gui.StorableRestrictableListView;

/**
 * Used by nationality and age. Arguments (db table name and pk) must
 * be passed in from outside.
 */
public class RestrictedComposersActivity extends StorableRestrictableListView {

  private String baseUrl = null;
  private String group;

  @Override
  public List<String> downloadList(Handler handler, AtomicBoolean stopFlag) throws IOException {
    String url = baseUrl;
    List<String> res = new LinkedList<String>();
    while (url != null && !stopFlag.get()) {
      Document doc = Jsoup.connect(url).get();
      // titles: all the <a> below <div id=mw-pages">
      Element content = doc.getElementById("mw-subcategories");
      Elements links = content.getElementsByTag("a");
      for (Element link : links)
        res.add(link.attr("title").substring(9));
      // examine all anchors for "next 200"
      url = null;
      Elements allAnchors = doc.getElementsByTag("a");
      for (Element anchor : allAnchors)
        if (anchor.hasText() && anchor.text().contains("next 200")) {
          url = "http://imslp.org/" + anchor.attr("href");
          break;
        }
      try {
        Pattern p = Pattern.compile("out of ([0-9\\,]*) total", Pattern.MULTILINE);
        String totalString = doc.getElementById("mw-subcategories").getElementsByTag("p").get(0).text();
        Matcher matcher = p.matcher(totalString);
        matcher.find();
        //        int total = Integer.parseInt(matcher.group(1).replace(",", ""));
      } catch (Exception e) {
        Log.e("getComposerList()", e.toString());
      }
    }
    stopFlag.set(false);
    return res;
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    Bundle bun = getIntent().getExtras();
    group = bun.getString("group");
    baseUrl = "http://imslp.org/wiki/Category:" + URLEncoder.encode(group).replace("+", "_");
    super.onCreate(savedInstanceState);
    setTitle(group);

    // click on list item
    ListView lv = (ListView) findViewById(R.id.rlv_listview);
    lv.setOnItemClickListener(new OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        String composer = (String) ((TextView) view).getText();
        Intent newIntent = new Intent();
        Bundle bun = new Bundle();
        bun.putString("composer", composer);
        bun.putString("prevPage", "RestrictedComposers");
        newIntent.setClass(parent.getContext(), PiecesActivity.class);
        newIntent.putExtras(bun);
        startActivity(newIntent);
      }
    });
  }

  @Override
  public String getBaseUrl() {
    return baseUrl;
  }

}

Java Source Code List

• Back to Sound/music  ↑