自己动手写的类似spring框架

package com.papa.config; import java.io.File; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import org.dom4j.Attribute; import org.dom4j.Document; import org.dom4j.Element; import org.dom4j.io.SAXReader; import com.papa.entity.Bean; import com.papa.entity.Beans; import com.papa.entity.Property; public class XmlConfig { public void initBeanConfig(String xmlPath) { // 读取文件 File file = new File(xmlPath); SAXReader reader = new SAXReader(); try { Document document = reader.read(file); // 标签[根标签] Element rootElement = document.getRootElement(); if (rootElement != null) { //初始化容器[1] Beans beansMap = Beans.getInit(); Map<String,Bean> beanMap = new HashMap<String,Bean>();//定义bean beansMap.setBeans(beanMap); Element beans = rootElement.element("beans"); /** *****************beans***************** */ if (beans != null) { List<Element> bean = beans.elements("bean"); for (int i = 0; i < bean.size(); i++) { Bean bean_ = new Bean();//定义bean Element eBean = bean.get(i);// 取得bean // 去bean下的name属性 Attribute attribute = eBean.attribute("id"); // bean 名字 String id = attribute.getValue(); Attribute attributeClass = eBean.attribute("class"); // 类的路径 String classPath = attributeClass.getValue(); bean_.setId(id); bean_.setClassName(classPath); /*********** 读取property属性 **************/ List<Element> property = eBean.elements("property"); if(property!=null){ //属性map Map<String,Property> propertyMap = new HashMap<String,Property>(); for(int j=0;j<property.size();j++){ Element eProperty = property.get(j); Attribute attPropertyName = eProperty.attribute("name");//property名字属性 String sPropertyName = attPropertyName.getValue();//property名字 Property property_ = new Property(); property_.setName(sPropertyName); propertyMap.put(sPropertyName, property_); Element eRef = eProperty.element("ref");//取得注入的bean标签 // Bean beanRef = new Bean();//注入的bean if(eRef!=null){ Attribute attbeanId = eRef.attribute("bean"); String beanId = attbeanId.getValue(); // beanRef.setId(beanId); property_.setRef(beanId); } } bean_.setProperty(propertyMap);//把属性map添加到bean } /** *************************************** */ beanMap.put(id, bean_);//把bean放到beans内 } /******* 扫描ref的bean 并填入bean的属性 ********/ Set<String> set = beanMap.keySet(); for(String key:set){ Bean bean_tmp = beanMap.get(key); Map<String,Property> property_tmp = bean_tmp.getProperty(); if(property_tmp!=null){ Set<String> propertySet = property_tmp.keySet(); for(String propertyKey:set){ Property property1 = property_tmp.get(propertyKey); if(property1!=null&&!property1.getRef().equals("")){ property1.setBean(beanMap.get(property1.getRef())); } } } } /*********************************************/ } } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }