/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 Versant Corporation http://www.versant.com
db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.
db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see http://www.gnu.org/licenses/. */
package com.db4o.foundation;
/**
* @sharpen.ignore
*/
public class Coercion4 {
public static Object toByte(Object obj) {
if(obj instanceof Byte){
return obj;
}
if(obj instanceof Number){
Number number=(Number)obj;
if(number.byteValue()==number.doubleValue()) {
return new Byte((number).byteValue());
}
}
return No4.INSTANCE;
}
public static Object toShort(Object obj) {
if(obj instanceof Short){
return obj;
}
if(obj instanceof Number){
Number number=(Number)obj;
if(number.shortValue()==number.doubleValue()) {
return new Short((number).shortValue());
}
}
return No4.INSTANCE;
}
public static Object toInt(Object obj) {
if(obj instanceof Integer){
return obj;
}
if(obj instanceof Number){
Number number=(Number)obj;
if(number.intValue()==number.doubleValue()) {
return new Integer((number).intValue());
}
}
return No4.INSTANCE;
}
public static Object toLong(Object obj) {
if(obj instanceof Long){
return obj;
}
if(obj instanceof Number){
Number number=(Number)obj;
if(number.longValue()==number.doubleValue()) {
return new Long((number).longValue());
}
}
return No4.INSTANCE;
}
public static Object toFloat(Object obj) {
if(obj instanceof Float){
return obj;
}
if(obj instanceof Number){
Number number=(Number)obj;
if(number.floatValue()==number.doubleValue()) {
return new Float((number).floatValue());
}
}
return No4.INSTANCE;
}
public static Object toDouble(Object obj) {
if(obj instanceof Double){
return obj;
}
if(obj instanceof Number){
Number number=(Number)obj;
return new Double((number).doubleValue());
}
return No4.INSTANCE;
}
}