Reads a Double out of a field in a Cursor and writes it to a Map. - Android Database

Android examples for Database:Cursor Get

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Description

Reads a Double out of a field in a Cursor and writes it to a Map.

Demo Code

/*/*w ww  . ja v  a  2  s .  co  m*/
 * Copyright (C) 2006 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import android.content.ContentValues;
import android.database.Cursor;

public class Main {
  /**
   * Reads a Double out of a field in a Cursor and writes it to a Map.
   *
   * @param cursor
   *          The cursor to read from
   * @param field
   *          The REAL field to read
   * @param values
   *          The {@link ContentValues} to put the value into
   * @param key
   *          The key to store the value with in the map
   */
  public static void cursorDoubleToContentValues(Cursor cursor, String field,
      ContentValues values, String key) {
    int colIndex = cursor.getColumnIndex(field);
    if (!cursor.isNull(colIndex)) {
      values.put(key, cursor.getDouble(colIndex));
    } else {
      values.put(key, (Double) null);
    }
  }
}

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