Android Open Source - gonzomemory Parse Transfer

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License

The source code is released under:

Apache License

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Java Source Code

package de.janpeuker.apps.gonzonotes;
//from  w ww.j a  v  a 2 s. com
import java.util.List;

import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

import com.parse.ParseException;
import com.parse.ParseObject;
import com.parse.ParseQuery;
import com.parse.SaveCallback;

import de.janpeuker.apps.gonzonotes.mvp.GonzonotesViewModel;
import de.janpeuker.apps.gonzonotes.provider.NotesContract;

public class ParseTransfer {

  public static final String PARSE_CLASS = "GonzoNotes";
  private static final String PARSE_KEY_PREFIX = PARSE_CLASS + "_";
  private static final String NOTE_CONTENT = "noteContent";

  public static void storeObject(final GonzonotesViewModel model, final SaveCallback callback) {

    final int nextId = model.getLastNoteId() + 1;
    final String parseKey = PARSE_KEY_PREFIX + nextId;
    model.setLastNoteId(nextId);
    final String lastEnteredText = model.getLastEnteredText();

    Log.i(Constants.TAG, "Storing " + parseKey + " in Parse");

    final ParseObject parseObject = new ParseObject(PARSE_CLASS);
    parseObject.put(NotesContract.KEY_NOTE_ID, parseKey);
    parseObject.put(NOTE_CONTENT, getJsonObject(lastEnteredText.toString()));

    parseObject.saveInBackground(callback);

  }

  public static String[][] getAllObjects() {

    Log.i(Constants.TAG, "Starting Parse Query for all objects");

    final ParseQuery<ParseObject> query = ParseQuery.getQuery(ParseTransfer.PARSE_CLASS);
    String[][] returnArray = null;
    try {
      // I/O Blocking Operation
      final List<ParseObject> objects = query.find();
      if ((objects != null) && (objects.size() > 0)) {
        returnArray = new String[objects.size()][2];
        int i = 0;
        for (final ParseObject object : objects) {
          returnArray[i++] = new String[] { object.getString(NotesContract.KEY_NOTE_ID), getContentFromJson(object) };
        }
      } else {
        Log.w(Constants.TAG, "0 Objects returned from Parse Query");
      }
    } catch (final ParseException e) {
      Log.e(Constants.TAG, "Parse could not retrieve data", e);
    }
    return returnArray;
  }

  private static String getContentFromJson(final ParseObject object) {
    final JSONObject json = object.getJSONObject(NOTE_CONTENT);
    String returnString = "";
    try {
      returnString = json.getString(NotesContract.KEY_NOTE_CONTENT_TEXT);
    } catch (final JSONException e) {
      Log.e(Constants.TAG, "JSON Parse Error for " + object, e);
    }
    return returnString;
  }

  private static JSONObject getJsonObject(final String lastEnteredText) {
    final JSONObject json = new JSONObject();
    try {
      json.put(NotesContract.KEY_NOTE_CONTENT_TEXT, lastEnteredText);
    } catch (final JSONException e) {
      Log.e(Constants.TAG, "JSON Create Error for " + lastEnteredText, e);
    }
    return json;
  }

}

Java Source Code List