Android Open Source - ls-vertretungsplan Backend Connect Parser

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Back to project page ls-vertretungsplan.

License

The source code is released under:

GNU General Public License

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Java Source Code

package com.johan.vertretungsplan.parser;
/*  w ww .  ja va 2s. c om*/
import java.io.IOException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;

import android.util.Log;

import com.google.android.gcm.GCMRegistrar;
import com.google.gson.Gson;
import com.joejernst.http.Request;
import com.joejernst.http.Response;
import com.johan.vertretungsplan.VertretungsplanApplication;
import com.johan.vertretungsplan.objects.Schule;
import com.johan.vertretungsplan.objects.Vertretungsplan;

public class BackendConnectParser extends BaseParser {

  private String schoolId;
  public static final String BASE_URL = "https://hamilton.rami.io/";
  public static final String VERSION = "v="
      + VertretungsplanApplication.getVersion();

  public BackendConnectParser(Schule schule) {
    super(schule);
    this.schoolId = schule.getId();
  }

  public BackendConnectParser(String schoolId) {
    super(null);
    this.schoolId = schoolId;
  }

  @Override
  public Vertretungsplan getVertretungsplan() throws IOException,
      JSONException, VersionException, UnauthorizedException {
    String regId = GCMRegistrar.getRegistrationId(VertretungsplanApplication.context);
    Log.d("vertretungsplan", schoolId);
    String url = BASE_URL + "vertretungsplan?school=" + schoolId + "&regId=" + URLEncoder.encode(regId, "UTF-8") + "&" + VERSION;
    Log.d("vertretungsplan", url);
    Response response = new Request(url).getResource("UTF-8");
    if(response.getResponseCode() == 400)
      throw new VersionException();
    else if (response.getResponseCode() == 401)
      throw new UnauthorizedException();
    else if (response.getResponseCode() == 200) {
      Vertretungsplan v = new Gson().fromJson(response.getBody(), Vertretungsplan.class);
      return v;
    } else {
      throw new IOException("response: " + response.getResponseCode());
    }
  }

  @Override
  public List<String> getAllClasses() throws IOException, JSONException {
    JSONArray classesJson;
    String url = BASE_URL + "classes?school=" + schoolId + "&" + VERSION;
    classesJson = new JSONArray(httpGet(url, "UTF-8"));
    List<String> classes = new ArrayList<String>();
    for (int i = 0; i < classesJson.length(); i++) {
      classes.add(classesJson.getString(i));
    }
    return classes;
  }

  public static List<Schule> getAvailableSchools() throws IOException,
      JSONException {
    String url = BASE_URL + "schools?" + VERSION;
    JSONArray array = new JSONArray(httpGet(url, "UTF-8"));
    List<Schule> schools = new ArrayList<Schule>();
    for (int i = 0; i < array.length(); i++) {
      schools.add(Schule.fromServerJSON(array.getJSONObject(i)));
    }
    return schools;
  }

}

Java Source Code List