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JideFX Common Layer is a collection of several extend feature for JavaFX

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/*
 * @(#)TypeUtils.java 5/19/2013
 *
 * Copyright 2002 - 2013 JIDE Software Inc. All rights reserved.
 */

package jidefx.utils;

/**
 * Utils methods for data types.
 */
public class TypeUtils {
    // indexes referring to columns in the PRIMITIVE_ARRAY_TYPES table.
    private static final int WRAPPER_TYPE_INDEX = 0;
    private static final int PRIMITIVE_TYPE_INDEX = 1;

    private static final Object[][] PRIMITIVE_ARRAY_TYPES = {
            {Boolean.class, boolean.class, "Z"}, //NON-NLS
            {Character.class, char.class, "C"}, //NON-NLS
            {Byte.class, byte.class, "B"}, //NON-NLS
            {Short.class, short.class, "S"}, //NON-NLS
            {Integer.class, int.class, "I"}, //NON-NLS
            {Long.class, long.class, "J"}, //NON-NLS
            {Float.class, float.class, "F"}, //NON-NLS
            {Double.class, double.class, "D"} //NON-NLS
    };

    public static boolean isPrimitive(Class primitive) {
        for (Object[] primitiveArrayType : PRIMITIVE_ARRAY_TYPES) {
            if (primitiveArrayType[PRIMITIVE_TYPE_INDEX] == primitive) {
                return true;
            }
        }
        return false;
    }

    public static boolean isPrimitiveWrapper(Class wrapperType) {
        for (Object[] primitiveArrayType : PRIMITIVE_ARRAY_TYPES) {
            if (primitiveArrayType[WRAPPER_TYPE_INDEX] == wrapperType) {
                return true;
            }
        }
        return false;
    }

    public static Class convertPrimitiveToWrapperType(Class primitive) {
        for (Object[] primitiveArrayType : PRIMITIVE_ARRAY_TYPES) {
            if (primitiveArrayType[PRIMITIVE_TYPE_INDEX] == primitive) {
                return (Class) primitiveArrayType[WRAPPER_TYPE_INDEX];
            }
        }
        return primitive;
    }

    public static Class convertWrapperToPrimitiveType(Class wrapperType) {
        for (Object[] primitiveArrayType : PRIMITIVE_ARRAY_TYPES) {
            if (primitiveArrayType[WRAPPER_TYPE_INDEX] == wrapperType) {
                return (Class) primitiveArrayType[PRIMITIVE_TYPE_INDEX];
            }
        }
        return wrapperType;
    }

    /**
     * Checks if the type is a numeric type.
     *
     * @param type the data type.
     * @return true if it is numeric type including all subclasses of Number, double, int, float, short and long.
     */
    public static boolean isNumericType(Class type) {
        return type != null && (Number.class.isAssignableFrom(type)
                || type == double.class
                || type == int.class
                || type == float.class
                || type == short.class
                || type == long.class);
    }
}