Java Reflection Assignable isAssignable(Class clazz, Class toClass)

Description

is Assignable

License

LGPL

Declaration

public static boolean isAssignable(Class clazz, Class toClass) 

Method Source Code

//package com.java2s;
/*/*from   w ww.ja  v a2s .c  om*/
 * JFox - The most lightweight Java EE Application Server!
 * more details please visit http://www.huihoo.org/jfox or http://www.jfox.org.cn.
 *
 * JFox is licenced and re-distributable under GNU LGPL.
 */

import java.util.HashMap;

import java.util.Map;

public class Main {
    private static Map<String, Class> primitiveStringToClass = new HashMap<String, Class>();

    public static boolean isAssignable(Class clazz, Class toClass) {
        if (clazz == null || toClass == null) {
            return false;
        }
        if (clazz.equals(toClass)) {
            return true;
        }

        Class newClazz = clazz;
        Class newToClass = toClass;
        if (clazz.isPrimitive()) {
            newClazz = primitiveStringToClass.get(clazz.getName());
        }
        if (toClass.isPrimitive()) {
            newToClass = primitiveStringToClass.get(toClass.getName());
        }
        return newToClass.isAssignableFrom(newClazz);
    }

    public static boolean isAssignable(Class[] classArray, Class[] toClassArray) {
        if (classArray == null || toClassArray == null) {
            return false;
        }
        if (classArray.length != toClassArray.length) {
            return false;
        }

        for (int i = 0; i < classArray.length; i++) {
            if (!isAssignable(classArray[i], toClassArray[i])) {
                return false;
            }
        }
        return true;
    }
}

Related

1. isAssignable(Class lhsType, Class rhsType)
2. isAssignable(Class cls, final Class toClass)
3. isAssignable(Class lhsType, Class rhsType)
4. isAssignable(Class lhsType, Class rhsType)