Returns the value of the specified field and column based on the cursor. - Android java.lang.reflect

Android examples for java.lang.reflect:Field Value

  1. HOME
  2. Android
  3. java.lang.reflect
  4. Field Value

Description

Returns the value of the specified field and column based on the cursor.

Demo Code

/*/*w w w . jav a 2s. c o m*/
 *  Copyright (c) 2010 Peter Haldb?k, peter.haldbaek@gmail.com
 * 
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *  
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *  
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */
//package com.java2s;
import java.lang.reflect.Field;
import java.util.Date;
import android.database.Cursor;

public class Main {
    /**
     * Returns the value of the specified field and column based on the cursor.
     * This is used when selecting data from the database.
     * 
     * @param field the field of the class
     * @param cursor the database cursor holding the value
     * @param column the column index of the table
     * @return the value of the specified column
     */
    public static Object getValue(Field field, Cursor cursor, int column) {
        // Determine type of key
        String type = field.getType().getName();
        if ("java.lang.String".equals(type)) {
            return cursor.getString(column);
        } else if ("long".equals(type)) {
            return cursor.getLong(column);
        } else if ("double".equals(type)) {
            return cursor.getDouble(column);
        } else if ("float".equals(type)) {
            return cursor.getFloat(column);
        } else if ("int".equals(type)) {
            return cursor.getInt(column);
        } else if ("short".equals(type)) {
            return cursor.getShort(column);
        } else if ("java.util.Date".equals(type)) {
            long l = cursor.getLong(column);
            return new Date(l);
        }

        return null;
    }
}

Related Tutorials