Returns data type of the given object's value in a Cursor - Android Database

Android examples for Database:Cursor

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Description

Returns data type of the given object's value in a Cursor

Demo Code

/*/*from   ww w. j  a  va 2  s.c om*/
 * 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.database.Cursor;

public class Main {
  /**
   * Returns data type of the given object's value.
   * <p>
   * Returned values are
   * <ul>
   * <li>{@link Cursor#FIELD_TYPE_NULL}</li>
   * <li>{@link Cursor#FIELD_TYPE_INTEGER}</li>
   * <li>{@link Cursor#FIELD_TYPE_FLOAT}</li>
   * <li>{@link Cursor#FIELD_TYPE_STRING}</li>
   * <li>{@link Cursor#FIELD_TYPE_BLOB}</li>
   * </ul>
   * </p>
   *
   * @param obj
   *          the object whose value type is to be returned
   * @return object value type
   * @hide
   */
  public static int getTypeOfObject(Object obj) {
    if (obj == null) {
      return Cursor.FIELD_TYPE_NULL;
    } else if (obj instanceof byte[]) {
      return Cursor.FIELD_TYPE_BLOB;
    } else if (obj instanceof Float || obj instanceof Double) {
      return Cursor.FIELD_TYPE_FLOAT;
    } else if (obj instanceof Long || obj instanceof Integer
        || obj instanceof Short || obj instanceof Byte) {
      return Cursor.FIELD_TYPE_INTEGER;
    } else {
      return Cursor.FIELD_TYPE_STRING;
    }
  }
}

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