applicationcontext
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
<bean id="bean" class="com.zxiaoyao.beans2.Bean" abstract="true">
<property name="name" value="张三" />
<property name="age" value="100" />
</bean>
<!-- 抽象基bean类型 -->
<bean id="bean1" class="com.zxiaoyao.beans2.Bean1" parent="bean"/>
<!-- 覆盖继承属性 -->
<bean id="bean2" class="com.zxiaoyao.beans2.Bean1" parent="bean">
<property name="name" value="李四"></property>
</bean>
<bean id="bean3" class="com.zxiaoyao.beans2.Bean1" parent="bean">
<property name="name" value="王二麻子"></property>
</bean>
<!-- 方法注入 -->
<!-- 1方法替换：在运行时用心的实现替换现有的方法(抽象或具体的) -->
<bean id="bean4" class="com.zxiaoyao.beans2.Bean3"></bean>
<bean id="bean5" class="com.zxiaoyao.beans2.Bean2">
<replaced-method
name="toString"
replacer="bean4"/>
</bean>
<!-- 获取器注入 -->
<bean id="bean6" class="com.zxiaoyao.beans2.Bean4">
<lookup-method name="getBean" bean="bean5"/>
</bean>
<!-- Spring 本身的 自定义属性编辑器 能够自动把注入的String值转化为更复杂的类型 -->
<!-- ClassEditor | 以一个String值设置java.lang.Class属性，前者包含一个完整描述的类名 -->
<!-- CunstomDateEditor | 以一个String值设置java.util.Date属性，前者使用自定义的java.text.DateFormat对象 -->
<!-- FileEditor | 以一个String值设置java.io.File属性，前者包含文件的路径 -->
<!-- LocalEditor | 以一个String值设置java.util.Locale属性，前者包含地域的文本表示（比如zh_cn）-->
<!-- StringArrayPropertyEditor | 把逗号分隔的String转化为一个String数组属性-->
<!-- StringTrimmer | 对String属性进行自动裁剪，设置一个选项后可以把空的String值转化为null -->
<!-- URLEditor | 以一个String值设置java.net.URL属性，前者包含一个URL -->
<!-- 设置自定义 属性编辑器 -->
<bean class="org.springframework.beans.factory.config.CustomEditorConfigurer">
<property name="customEditors">
<map >
<entry key="com.zxiaoyao.beans2.PhoneNumber">
<bean id="phoneEditor" class="com.zxiaoyao.beans2.PhoneEditor" />
</entry>
</map>
</property>
</bean>
<bean id="contact" class="com.zxiaoyao.beans2.Contact">
<property name="phone" value="029-88332233"></property>
</bean>
<!-- end 设置自定义 属性编辑器 -->
<!-- 因此类实现了BeanPostProcessor接口，在此配置为bean后 会被容器识别为BeanPostProcessor，在容器里的每个bean被初始化之前和之后调用后处理方法 -->
<bean class="com.zxiaoyao.beans2.BeanProcessor"></bean>
<bean id="bean7" class="com.zxiaoyao.beans2.Bean1" parent="bean">
<property name="name" value="张 三 李 四 " />
</bean>
<!-- 类实现BeanFactoryPostProcessor 后 在容器注册，容器会自动把她注册为Bean工厂后处理器。BeanFactoryPostProcessor 不能用户基本的Bean工厂容器。
这个特性 只能用于上下文容器(ApplicationContext)-->
<bean class="com.zxiaoyao.beans2.BeanCounter"></bean>
<!-- 提取文本 消息，id必须为messageSource applicationcontext 在建立内部消息源时会查找名称为：messageSource 的bean -->
<bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
<property name="basename">
<value>msg</value>
</property>
</bean>
</beans>相关bean 去掉 set get toString方法
public abstract class Bean{
private String name;
private int age;
//-----------------------------------------------
public class Bean1 extends Bean{
private String name;
private int age;
//----------------------------------------------
public class Bean2 extends Bean{
@Override
public String toString() {
return "这是 Bean2。。。。";
}
}
//---------------------------------------------
public class Bean3 implements MethodReplacer{
public Object reimplement(Object obj, Method method, Object[] args)
throws Throwable {
return "替代品。。。";
}
}
//-----------------------------------------------
public abstract class Bean4 extends Bean {
@Override
public String toString() {
return getBean().toString();
}
public abstract Bean getBean();
}
//---------------------------------------------
/**
* Bean工厂的后处理
*
*BeanFactoryProcessor 的 接口实现会在全部Bean定义被夹在后，但在任何一个Bean被实例化之前
*（包括BeanFactoryProcessor Bean），Spring容器会调用postProcessBeanFactory()方法
*
* @author zxy
*/
public class BeanCounter implements BeanFactoryPostProcessor {
public void postProcessBeanFactory(
ConfigurableListableBeanFactory beanFactory) throws BeansException {
System.out.println("beanFactory.getBeanDefinitionCount():"+beanFactory.getBeanDefinitionCount());
}
}
//-----------------------------------------------
/**
* 后处理Bean
*
* 此类实现了BeanPostProcessor接口，
* 注册后 会被容器识别为BeanPostProcessor，
* 在容器里的每个bean被初始化之前和之后调用后处理方法
*
*/
public class BeanProcessor implements BeanPostProcessor {
/**
* 初始化后处理
*/
public Object postProcessAfterInitialization(Object bean, String name)
throws BeansException {
System.out.println("bean 后处理");
Field[] fields = bean.getClass().getDeclaredFields();
try {
for(int i=0;i < fields.length; i++){
if(fields[i].getType().equals(String.class)){
fields[i].setAccessible(true);
String s = (String)fields[i].get(bean);
fields[i].set(bean, trimStr(s));
}
}
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
return bean;
}
private String trimStr(String data){
if(data == null ){
return "null";
}
data = data.trim();
data = data.replaceAll(" ", "");
if("".equals(data)){
return "null";
}
return data;
}
/**
* 初始化前处理
*/
public Object postProcessBeforeInitialization(Object arg0, String arg1)
throws BeansException {
System.out.println("bean 前处理。。。");
return arg0;
}
}
//-----------------------------------------------
public class Contact {
private PhoneNumber phone;
//----------------------------------------------
public class PhoneEditor extends PropertyEditorSupport {
@Override
public void setAsText(String text) throws IllegalArgumentException {
String[] phonedata = stripData(text);
if(phonedata[0] != null){
PhoneNumber phone = new PhoneNumber(phonedata[0],phonedata[1]);
setValue(phone);
}
}
//将字符串解析为PhoneNubmer对象
private String[] stripData(String data){
String[] reStrs = new String[2];
String[] ss = data.split("-");
for(int i=0; i<reStrs.length; i++){
StringBuilder s = new StringBuilder();
for(int j=0;j<ss[i].length();j++){
char c = ss[i].charAt(j);
if(Character.isDigit(c)){
s.append(c);
}
}
reStrs[i] = s.toString();
}
return reStrs;
}
}
//---------------------------------------------
public class PhoneNumber {
private String quhao;
private String number;
public PhoneNumber(String quhao, String number) {
super();
this.quhao = quhao;
this.number = number;
}test方法
public static void test2(){
ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext2.xml");
Bean1 b1 = (Bean1)context.getBean("bean1");
System.out.println(b1);
Bean1 b2 = (Bean1)context.getBean("bean2");
System.out.println(b2);
Bean1 b3 = (Bean1)context.getBean("bean3");
System.out.println(b3);
Bean2 b5 = (Bean2) context.getBean("bean5");
System.out.println(b5);
Bean4 b6 =(Bean4)context.getBean("bean6");
System.out.println(b6);
Contact c = (Contact) context.getBean("contact");
System.out.println(c.getPhone());
Bean1 b7 = (Bean1)context.getBean("bean7");
System.out.println(b7);
/**
* 通过getMessage方法访问消息源
*/
System.out.println(context.getMessage("name", new Object[0], Locale.getDefault()));
System.out.println(context.getMessage("name", new Object[0], Locale.CHINA));
System.out.println(context.getMessage("name", new Object[0], Locale.TAIWAN));
System.out.println(context.getMessage("name", new Object[0], Locale.US));
}
