自己动手实现IOC和MVC源码

package com.ajunframework.beans.factory; import com.ajunframework.beans.annotation.Action; import com.ajunframework.beans.annotation.Dao; import com.ajunframework.beans.annotation.Scope; import com.ajunframework.beans.annotation.Service; import com.ajunframework.beans.constant.BeanScop; import com.ajunframework.beans.utils.BeanUtils; /** * bean工厂 * @author ajun * @http://blog.csdn.net/ajun_studio */ public class AnnotationBeanFactory implements BeanFactory { private static AnnotationBeanFactory beanFactory = new AnnotationBeanFactory(); private AnnotationBeanFactory(){} public static AnnotationBeanFactory getBeanFactory(){ if(beanFactory!=null){ return beanFactory; } return new AnnotationBeanFactory(); } public void setBean(String beanName,String fullClassName) { try { Object bean = BeanUtils.instanceClass(Class.forName(fullClassName)); BeanMap.put(beanName, bean); } catch (ClassNotFoundException e) { e.printStackTrace(); } } public boolean containsBean(String name) { Object bean = BeanMap.getBeanMap().get(name); if(bean!=null){ return true; } return false; } public Object getBean(String name) { return BeanMap.getBeanMap().get(name); } @SuppressWarnings("unchecked") public <T> T getBean(String name, Class<T> requiredType) { Object bean = BeanMap.getBeanMap().get(name); if(bean!=null){ Class<?> clazz = bean.getClass(); if(clazz.getName().equals(requiredType.getName()) ){ return (T)bean; } } return null; } @SuppressWarnings("unchecked") public <T> T getBean(Class<T> requiredType) { if(requiredType.isAnnotationPresent(Dao.class) || requiredType.isAnnotationPresent(Service.class) || requiredType.isAnnotationPresent(Action.class)){ String fullName = requiredType.getName(); String beanName = fullName.substring(fullName.lastIndexOf(".")+1).substring(0,1).toLowerCase()+ fullName.substring(fullName.lastIndexOf(".")+1).substring(1); Object bean = BeanMap.getBeanMap().get(beanName); return (T)bean; } return null; } public Object getBean(String name, Object... args) { return null; } public Class<?> getType(String name) { Object bean = BeanMap.getBeanMap().get(name); if(bean!=null){ bean.getClass().getClass(); } return null; } @SuppressWarnings("unchecked") public boolean isPrototype(String name) { Object bean = BeanMap.getBeanMap().get(name); if(bean!=null){ Class clazz = bean.getClass(); if(clazz.isAnnotationPresent(Scope.class)){ String scopeValue = ((Scope) clazz.getAnnotation(Scope.class)).value(); if(scopeValue!=null && BeanScop.PROTOTYPE.equals(scopeValue.trim())){ return true; } } } return false; } @SuppressWarnings("unchecked") public boolean isSingleton(String name) { Object bean = BeanMap.getBeanMap().get(name); if(bean!=null){ Class clazz = bean.getClass(); if(clazz.isAnnotationPresent(Scope.class)){ String scopeValue = ((Scope) clazz.getAnnotation(Scope.class)).value(); if(scopeValue!=null && BeanScop.SINGLETON.equals(scopeValue.trim())){ return true; }else if(scopeValue!=null && BeanScop.PROTOTYPE.equals(scopeValue.trim())){ return false; }else{ return true; } }else{ return true; } } return false; } @SuppressWarnings("unchecked") public boolean isTypeMatch(String name, Class targetType) { Object bean = BeanMap.getBeanMap().get(name); if(bean!=null){ Class clazz = bean.getClass(); if(clazz.equals(targetType)){ return true; } } return false; } public String[] getAliases(String name) { return null; } }