/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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 or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.nutsnbolts.reflection.type;
public class TypeUtility {
private static Class[] PRIMITIVES = new Class[] {Long.class, Boolean.class, Integer.class, Double.class, Float.class, Character.class, Short.class, Byte.class};
public static boolean isEssentiallyPrimitive (Class aClass) {
if (!aClass.isPrimitive()) {
for (Class primitive : PRIMITIVES) {
if (primitive.equals(aClass)) {
return true;
}
}
return false;
}
return true;
}
public static boolean isEssentiallyTheSameAs (Class expectedClass, Class actualClass) {
if (actualClass.isPrimitive() || expectedClass.isPrimitive()) {
if (long.class.equals(actualClass) || (Long.class.equals(actualClass))) {
return long.class.equals(expectedClass) || Long.class.equals(expectedClass);
}
if (boolean.class.equals(actualClass) || (Boolean.class.equals(actualClass))) {
return boolean.class.equals(expectedClass) || Boolean.class.equals(expectedClass);
}
if (int.class.equals(actualClass) || (Integer.class.equals(actualClass))) {
return int.class.equals(expectedClass) || Integer.class.equals(expectedClass);
}
if (double.class.equals(actualClass) || (Double.class.equals(actualClass))) {
return double.class.equals(expectedClass) || Double.class.equals(expectedClass);
}
if (float.class.equals(actualClass) || (Float.class.equals(actualClass))) {
return float.class.equals(expectedClass) || Float.class.equals(expectedClass);
}
if (char.class.equals(actualClass) || (Character.class.equals(actualClass))) {
return char.class.equals(expectedClass) || Character.class.equals(expectedClass);
}
if (short.class.equals(actualClass) || (Short.class.equals(actualClass))) {
return short.class.equals(expectedClass) || Short.class.equals(expectedClass);
}
if (byte.class.equals(actualClass) || (Byte.class.equals(actualClass))) {
return byte.class.equals(expectedClass) || Byte.class.equals(expectedClass);
}
}
return expectedClass.isAssignableFrom(actualClass);
}
public static Object getDefaultValue (Class actualClass) {
if (isEssentiallyPrimitive(actualClass)) {
if (long.class.equals(actualClass) || (Long.class.equals(actualClass))) {
return 0L;
}
if (boolean.class.equals(actualClass) || (Boolean.class.equals(actualClass))) {
return false;
}
if (int.class.equals(actualClass) || (Integer.class.equals(actualClass))) {
return 0;
}
if (double.class.equals(actualClass) || (Double.class.equals(actualClass))) {
return 0.0D;
}
if (float.class.equals(actualClass) || (Float.class.equals(actualClass))) {
return 0.0F;
}
if (char.class.equals(actualClass) || (Character.class.equals(actualClass))) {
return (char)0;
}
if (short.class.equals(actualClass) || (Short.class.equals(actualClass))) {
return 0;
}
if (byte.class.equals(actualClass) || (Byte.class.equals(actualClass))) {
return 0;
}
}
return null;
}
}