Android Open Source - groceryviewer Grocery Viewer Content Provider

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.github.knrajago.groceryviewer.providers;
// w  w w  . j av a  2 s.c o  m
import com.github.knrajago.groceryviewer.localdb.GroceryListHelper;

import android.content.ContentProvider;
import android.content.ContentValues;
import android.content.UriMatcher;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.provider.BaseColumns;

import static com.github.knrajago.groceryviewer.constants.GroceryViewerConstants.AUTHORITIES_STRING;
import static com.github.knrajago.groceryviewer.constants.GroceryViewerConstants.ONE_ROW;
import static com.github.knrajago.groceryviewer.constants.GroceryViewerConstants.ALL_TABLE;
import static com.github.knrajago.groceryviewer.constants.GroceryViewerConstants.TABLE_NAME;
import static com.github.knrajago.groceryviewer.constants.GroceryViewerConstants.ITEM_COL;

public class GroceryViewerContentProvider extends ContentProvider {

  
  // Creates a UriMatcher object.
    private static final UriMatcher sUriMatcher;


    static {
      sUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
      sUriMatcher.addURI(AUTHORITIES_STRING, "MaligaiListProvider", ALL_TABLE);
      sUriMatcher.addURI(AUTHORITIES_STRING, "MaligaiListProvider/#", ONE_ROW);
    }
    
    private GroceryListHelper mDBHelper;
    
  public GroceryViewerContentProvider() {
    // TODO Auto-generated constructor stub
  }


    @Override
  public int delete(Uri uri, String selection, String[] selectionArgs) {
      SQLiteDatabase db = mDBHelper.getWritableDatabase();
      int deleteCount = db.delete(TABLE_NAME, selection, selectionArgs);
      db.close();
      return deleteCount;
  }

  @Override
  public String getType(Uri uri) {
    return null;
  }

  @Override
  public Uri insert(Uri pUri, ContentValues pValues) {
    SQLiteDatabase db = mDBHelper.getWritableDatabase();
    long id = db.insertOrThrow(TABLE_NAME, null, pValues);
    db.close();
    return pUri;
  }

  @Override
  public boolean onCreate() {
    mDBHelper = new GroceryListHelper(getContext());
    return true;
  }

  @Override
  public Cursor query(Uri uri, String[] projection, String selection,
      String[] selectionArgs, String sortOrder) {
    switch(sUriMatcher.match(uri)) {
    case ALL_TABLE:
      SQLiteDatabase db = mDBHelper.getReadableDatabase();
      return db.query(TABLE_NAME,
          new String[] {BaseColumns._ID, ITEM_COL},
          null, null, null, null, null);
    default:
      
    }
    return null;
  }

  @Override
  public int update(Uri uri, ContentValues values, String selection,
      String[] selectionArgs) {
    return 0;
  }

}

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