+ setPrivates

Reflection2.java

package lesson7_10.reflection;

import java.util.List;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;

public class Reflection2<T> {

    public void setPrivates(Object o, Map<String, Object> map) throws NoSuchFieldException, IllegalAccessException {

        for (Map.Entry<String, Object> entry : map.entrySet()) {

            Field field = o.getClass().getDeclaredField(entry.getKey());
            field.setAccessible(true);
            field.set(o, entry.getValue());
            field.setAccessible(false);
        }
    }

    public T initClass(Class<T> tClass, List<Object> objectList) throws IllegalAccessException, InstantiationException, NoSuchMethodException, InvocationTargetException {

        Class[] classes = new Class[objectList.size()];

        for (int i = 0; i < objectList.size(); i++){
            classes[i] = objectList.get(i).getClass();
        }

        T oClass = tClass.getConstructor(classes).newInstance(objectList.toArray());

        return oClass;
    }

    public T initClass(Class<T> tClass, Map<String, Object> map) throws IllegalAccessException, InstantiationException, InvocationTargetException {

        T oClass = tClass.newInstance();

        Method[] methods = oClass.getClass().getDeclaredMethods();
        for (Map.Entry<String, Object> entry : map.entrySet()) {
            for (Method method : methods) {

                if (method.getName().equalsIgnoreCase("set" + entry.getKey())) {
                    method.invoke(oClass, entry.getValue());
                }
            }
        }

        return oClass;
    }
}