Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.rytis.oot2.processors; import com.rytis.oot2.processors.BrainfuckCPU; import com.rytis.oot2.processors.CPU; import com.rytis.oot2.processors.Fuck4CPU; import org.springframework.beans.factory.FactoryBean; /** * * @author rytis */ public class CPUFactory implements FactoryBean<CPU> { private final String model; public CPUFactory(String model) { this.model = model; } @Override public CPU getObject() throws Exception { CPU cpu; if (this.model.equals("model1")) cpu = new BrainfuckCPU(); else if (this.model.equals("model2")) cpu = new Fuck4CPU(); else throw new UnsupportedOperationException("Could not recognize instruction set"); return cpu; } @Override public Class<CPU> getObjectType() { return CPU.class; } @Override public boolean isSingleton() { return false; } }