/** * Deletes an Address object from the application's SQLite database<br> * <br> * <b>NOTE:</b> This method uses the given Address's ID field to determine which record in the * database to delete * * @param a - The Address object to be deleted */ public void deleteAddress(Address a) { long id = a.getId(); // Query the database via the ContentProvider and delete the record with the matching ID int recordsDeleted = mContentResolver.delete( DatabaseContentProvider.CONTENT_URI_ADDRESSES, AddressesTable.COLUMN_ID + " = ? ", new String[] {String.valueOf(id)}); if (recordsDeleted > 0) { Log.i(TAG, "Address " + a.getAddress() + " deleted from database"); } else { Log.e( TAG, "Unable to find the address specified for deletion. The address specified was " + a.getAddress()); } }
/** * Takes an Address object and adds it to the app's SQLite database as a new record, returning the * ID of the newly created record. * * @param a - The Address object to be added * @return id - A long value representing the ID of the newly created record */ public long addAddress(Address a) { ContentValues values = new ContentValues(); values.put(AddressesTable.COLUMN_CORRESPONDING_PUBKEY_ID, a.getCorrespondingPubkeyId()); values.put(AddressesTable.COLUMN_LABEL, a.getLabel()); values.put(AddressesTable.COLUMN_ADDRESS, a.getAddress()); values.put(AddressesTable.COLUMN_PRIVATE_SIGNING_KEY, a.getPrivateSigningKey()); values.put(AddressesTable.COLUMN_PRIVATE_ENCRYPTION_KEY, a.getPrivateEncryptionKey()); values.put( AddressesTable.COLUMN_RIPE_HASH, Base64.encodeToString(a.getRipeHash(), Base64.DEFAULT)); values.put(AddressesTable.COLUMN_TAG, Base64.encodeToString(a.getTag(), Base64.DEFAULT)); Uri insertionUri = mContentResolver.insert(DatabaseContentProvider.CONTENT_URI_ADDRESSES, values); Log.i(TAG, "Address with address " + a.getAddress() + " saved to database"); // Parse the ID of the newly created record from the insertion Uri String uriString = insertionUri.toString(); String idString = uriString.substring(uriString.indexOf("/") + 1); long id = Long.parseLong(idString); return id; }
/** * Updates the database record for a given Address object<br> * <br> * <b>NOTE:</b> This method uses the given Address's ID field to determine which record in the * database to update * * @param a - The Address object to be updated */ public void updateAddress(Address a) { ContentValues values = new ContentValues(); values.put(AddressesTable.COLUMN_CORRESPONDING_PUBKEY_ID, a.getCorrespondingPubkeyId()); values.put(AddressesTable.COLUMN_LABEL, a.getLabel()); values.put(AddressesTable.COLUMN_ADDRESS, a.getAddress()); values.put(AddressesTable.COLUMN_PRIVATE_SIGNING_KEY, a.getPrivateSigningKey()); values.put(AddressesTable.COLUMN_PRIVATE_ENCRYPTION_KEY, a.getPrivateEncryptionKey()); values.put( AddressesTable.COLUMN_RIPE_HASH, Base64.encodeToString(a.getRipeHash(), Base64.DEFAULT)); values.put(AddressesTable.COLUMN_TAG, Base64.encodeToString(a.getTag(), Base64.DEFAULT)); long id = a.getId(); // Query the database via the ContentProvider and update the record with the matching ID mContentResolver.update( DatabaseContentProvider.CONTENT_URI_ADDRESSES, values, AddressesTable.COLUMN_ID + " = ? ", new String[] {String.valueOf(id)}); Log.i(TAG, "Address ID " + id + " updated"); }