Cglib (Enhancer/fastclass/bulkbean) & Spring Container initialization process

main test class: (Bulkbean, fastclass use test code not saved)

Import Net.sf.cglib.proxy.Callback;
Import Net.sf.cglib.proxy.MethodInterceptor;
Import Net.sf.cglib.proxy.MethodProxy;

Import Org.springframework.context.support.ClassPathXmlApplicationContext;
Import Java.lang.reflect.Field;
Import Java.lang.reflect.Method;
Import java.util.ArrayList;
Import java.util.Collections;

Import java.util.List;
 /** * Created by the Administrator on 2014/11/25. */public class Main {public static void main (string[] args) throws Exception {Classpathxmlapplicationcontex
        T ctx = new Classpathxmlapplicationcontext (new string[]{"Service.xml"});
        Beana obj = (beana) ctx.getbean ("Beana");
        System.out.println (obj);
    System.out.println (Obj.getname ()); public static class Mycallback implements Methodinterceptor, Callback {@Override public Object int Ercept (Object O, method method, object[] objects, Methodproxy methodproxy) throws Throwable {System.out.print ln ("Invoke Method:" +Method.getname ());
        Return Methodproxy.invokesuper (O, objects);
        } public static method[] Getgetmethods (Class clazz) throws Exception {field[] arr = GetFields (clazz);
        Method[] methods = new Method[arr.length];
            for (int i = 0; i < arr.length ++i) {String methodname = getmethodname (' Get ', arr[i].getname ());
            Method method = Clazz.getmethod (methodname, New class[]{});
        Methods[i] = method;
    return methods;
        public static string[] Getgetmethodnames (Class clazz) throws Exception {field[] arr = GetFields (clazz);
        String[] methods = new String[arr.length];
            for (int i = 0; i < arr.length ++i) {String methodname = getmethodname (' Get ', arr[i].getname ());
        Methods[i] = methodname;
    return methods; public static method[] Getsetmethods (Class clazz) throws Exception {field[] arr = GetFields (CLAZZ);
        Method[] methods = new Method[arr.length];
            for (int i = 0; i < arr.length ++i) {String methodname = Getmethodname ("Set", Arr[i].getname ());
            Method method = Clazz.getmethod (methodname, New Class[]{arr[i].getclass ());
        Methods[i] = method;
    return methods;
        public static string[] Getsetmethodnames (Class clazz) throws Exception {field[] arr = GetFields (clazz);
        String[] methods = new String[arr.length];
            for (int i = 0; i < arr.length ++i) {String methodname = Getmethodname ("Set", Arr[i].getname ());
        Methods[i] = methodname;
    return methods; 
        public static string Getmethodname (string prefix, string varName) {StringBuilder sb = new StringBuilder ();
        Sb.append (prefix);
        Sb.append (VarName);
        Sb.setcharat (Prefix.length (), Character.touppercase (Varname.charat (0)));
    return sb.tostring (); }

    public static class[] Getfieldtypes (Class clazz) {field[] arr = GetFields (clazz);
        Class[] result = new Class[arr.length];
        for (int i = 0; i < arr.length ++i) {Result[i] = Arr[i].gettype ();
    return result;
        public static field[] GetFields (Class clazz) {list<field> fields = new arraylist<field> (10);
            while (!clazz.equals (Object.class)) {field[] arr = Clazz.getdeclaredfields ();
            Collections.addall (fields, arr);
        Clazz = Clazz.getsuperclass ();
        } field[] result = new field[fields.size ()];
        for (int i = 0; i < fields.size (); ++i) {Result[i] = Fields.get (i);
    return result;
 }
}

beanfactory after Processor:

Package cglib;
Import Net.sf.cglib.proxy.Enhancer;
Import org.springframework.beans.BeansException;
Import org.springframework.beans.factory.config.BeanDefinition;
Import Org.springframework.beans.factory.config.BeanFactoryPostProcessor;
Import Org.springframework.beans.factory.config.BeanPostProcessor;
Import Org.springframework.beans.factory.config.ConfigurableListableBeanFactory;

Import Net.sf.cglib.proxy.Callback;

Import Java.lang.reflect.Method;
 /** * Created by the Administrator on 2014/11/25. */public class Mybeanfactorypostprocessor implements Beanfactorypostprocessor {@Override public void postprocess Beanfactory (Configurablelistablebeanfactory configurablelistablebeanfactory) throws Beansexception {String[]arr=c
        Onfigurablelistablebeanfactory.getbeandefinitionnames (); for (String s:arr) {beandefinition definition =configurablelistablebeanfactory.getbeandefin
            Ition (s); String Name=definition.getbeanclassname ();
                try {Class clazz=class.forname (name);
                Enhancer enhancer=new Enhancer ();
                Enhancer.setsuperclass (Clazz);
                Enhancer.setcallbacktype (Mycallback.class);
            Definition.setbeanclassname (Enhancer.createclass (). GetName ());
            catch (ClassNotFoundException e) {e.printstacktrace ();
            } configurablelistablebeanfactory.addbeanpostprocessor (New Beanpostprocessor () {@Override public Object Postprocessbeforeinitialization (Object o, String s) throws beansexception {retur
            n o; @Override public Object Postprocessafterinitialization (Object o, String s) throws Beansexceptio
                n {Class clazz=o.getclass ();
                    try {method M=clazz.getdeclaredmethod ("Setcallbacks", New Class[]{callback[].class}); M.invoke (O,new Object[]{neW callback[]{new mycallback ()});
                catch (Exception e) {e.printstacktrace ();
            return o;
    }
        });
 }
}

method AOP Logic:

Package cglib;

Import Net.sf.cglib.proxy.Callback;
Import Net.sf.cglib.proxy.MethodInterceptor;
Import Net.sf.cglib.proxy.MethodProxy;

Import Java.lang.reflect.Method;

/**
 * Created by the Administrator on 2014/11/25
 . *
/public class Mycallback implements Methodinterceptor,callback {@Override the public
    Object Intercept ( Object O, method method, object[] objects, Methodproxy methodproxy) throws Throwable {
        System.out.println ("Invoke Me Thod: "+method.getname ());
        Return Methodproxy.invokesuper (o,objects);
    }

Beana class file:

/**
 * Created by the Administrator on 2014/11/25
 . *
/public class Beana {
    private String name;
    Private Long ID;

    Public String GetName () {return
        name;
    }

    public void SetName (String name) {
        this.name = name;
    }

    Public Long GetId () {return
        ID;
    }

    public void SetId (Long id) {
        this.id = ID;
    }
}

Spring Bean configuration file:

<?xml version= "1.0" encoding= "UTF-8"?> <beans xmlns=
"Http://www.springframework.org/schema/beans"
       xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemalocation= "http:// Www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd "
        Default-autowire= "ByName" >
    <bean id= "tt" Name= "Beana" class= "Beana" >
        <property name= "name" Value= "MyName" "/>
    </bean> <bean id=" mybeanfactorypostprocessor "class=" Cglib
    . Mybeanfactorypostprocessor "></bean>
</beans>

Pom File:

<?xml version= "1.0" encoding= "UTF-8"?> <project xmlns= "http://maven.apache.org/POM/4.0.0" xmlns:xsi= "HTT" P://www.w3.org/2001/xmlschema-instance "xsi:schemalocation=" http://maven.apache.org/POM/4.0.0 Http://maven.apach E.org/xsd/maven-4.0.0.xsd "> <modelVersion>4.0.0</modelVersion> <groupid>cglib-zxl</group id> <artifactId>study</artifactId> <version>1.0-SNAPSHOT</version> <dependencie s> <dependency> <groupId>cglib</groupId> <artifactid>cglib-node p</artifactid> <version>2.1_3</version> </dependency> &LT;DEPENDENCY&G
            T
            <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.0.3.RELEASE</version> </dependency> <dependency> <g Roupid>oRg.springframework</groupid> <artifactId>spring-beans</artifactId> &LT;VERSION&G t;4.0.3.release</version> </dependency> </dependencies> </project>