package com.beetlehand.model.service;

import com.beetlehand.model.dao.AbstractDaoInterface;
import org.apache.commons.lang3.text.WordUtils;

import java.lang.reflect.Constructor;
import java.util.HashMap;

public class AbstractService {

    protected HashMap<String, Object> daoInstance = new HashMap<>();

    public AbstractDaoInterface getDaoInstance(String className) {
        try {
            if(!daoInstance.containsKey(className)) {
                className = WordUtils.capitalizeFully(className, new char[]{'_'})
                        .replaceAll("_", "");
                Class<?> clazz = Class.forName("com.beetlehand.model.dao." + className);
                Constructor<?> ctr = clazz.getConstructor();
                daoInstance.put(className, ctr.newInstance());
            }
        }catch(Exception ex) {
            ex.printStackTrace();

            return null;
        }

        return (AbstractDaoInterface) daoInstance.get(className);
    }
}