Wu Yuxiong - natural born flyweight JAVA EE enterprise application development Struts2Sping4Hibernate Integrated Development Study Notes: Spring_constructor

<?xml version="1.0" encoding="GBK"?>
<project name="spring" basedir="." default="">
    <property name="src" value="src"/>
    <property name="dest" value="classes"/>

    <path id="classpath">
        <fileset dir="../../lib">
            <include name="**/*.jar"/>
        </fileset>
        <pathelement path="${dest}"/>
    </path>

    <target name="compile" description="Compile all source code">
        <delete dir="${dest}"/>
        <mkdir dir="${dest}"/>
        <copy todir="${dest}">
            <fileset dir="${src}">
                <exclude name="**/*.java"/>
            </fileset>        
        </copy>
        <javac destdir="${dest}" debug="true" includeantruntime="yes"
            deprecation="false" optimize="false" failonerror="true">
            <src path="${src}"/>
            <classpath refid="classpath"/>
            <compilerarg value="-Xlint:deprecation"/>
        </javac>
    </target>

    <target name="run" description="Run the main class" depends="compile">
        <java classname="lee.BeanTest" fork="yes" failonerror="true">
            <classpath refid="classpath"/>
        </java>
    </target>

</project>

<?xml version="1.0" encoding="GBK"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://www.springframework.org/schema/beans"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-4.0.xsd">
    <! - chinese configuration example, which implementing class is a Chinese ->
    <bean id="chinese" class="org.crazyit.app.service.impl.Chinese">
        <! - The following is only a constructor- Arg child element,
            Spring Chinese driver calls the constructor with a parameter to create objects ->
        <constructor-arg ref="steelAxe" type="org.crazyit.app.service.Axe"/>
    </bean>
    <! - stoneAxe configuration example, which is the implementation class StoneAxe ->
    <bean id="stoneAxe" class="org.crazyit.app.service.impl.StoneAxe"/>
    <! - steelAxe configuration example, which is the implementation class SteelAxe ->
    <bean id="steelAxe" class="org.crazyit.app.service.impl.SteelAxe"/>
</beans>

package lee;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import org.crazyit.app.service. * ;
/ **
 * Description:
 * <br/> website: <a href=" http://www.crazyit.org "> crazy Java league </a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * Author   YeekuHLee kongyeeku163com
 * @Version   1.0
  * / 
public  class BeanTest
{
    public static void main(String[] args)throws Exception
    {
        // Create a container Spring 
        ApplicationContext ctx = new new 
            ClassPathXmlApplicationContext ( "beans.xml" );
         // get chinese instance of 
        the Person = the p-ctx.getBean ( "chinese", the Person. Class );
         // call useAxe () method 
        p.useAxe ( );
    }
}

package org.crazyit.app.service;

/**
 * Description:
 * <br/> website: <a href=" http://www.crazyit.org "> crazy Java league </a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * Author   YeekuHLee kongyeeku163com
 * @version  1.0
 */
public interface Axe
{
    // Ax Interface has had a chop () method 
    public String chop ();
}

package org.crazyit.app.service;

/**
 * Description:
 * <br/> website: <a href=" http://www.crazyit.org "> crazy Java league </a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * Author   YeekuHLee kongyeeku163com
 * @version  1.0
 */
public interface Person
{
    // define a method of using the ax 
    public  void useAxe ();
}

package org.crazyit.app.service.impl;

import org.crazyit.app.service. * ;
/ **
 * Description:
 * <br/> website: <a href=" http://www.crazyit.org "> crazy Java league </a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * Author   YeekuHLee kongyeeku163com
 * @version  1.0
 */
public class Chinese implements Person
{
    Private Ax Ax;
     // configuration parameters required injection constructor 
    public Chinese (Ax Ax)
    {
        this.axe = axe;
    }
    // implement Person interface useAxe () method 
    public  void useAxe ()
    {
        // call axe the chop () method
         // show axe Person object depends on the object 
        System.out.println (axe.chop ());
    }
}

package org.crazyit.app.service.impl;

import org.crazyit.app.service. * ;
/ **
 * Description:
 * <br/> website: <a href=" http://www.crazyit.org "> crazy Java league </a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * Author   YeekuHLee kongyeeku163com
 * @version  1.0
 */
public class SteelAxe implements Axe
{
    public String chop()
    {
        return "Gang Fu firewood really fast" ;
    }
}

package org.crazyit.app.service.impl;

import org.crazyit.app.service. * ;
/ **
 * Description:
 * <br/> website: <a href=" http://www.crazyit.org "> crazy Java league </a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * Author   YeekuHLee kongyeeku163com
 * @version  1.0
 */
public class StoneAxe implements Axe
{
    public String chop()
    {
        return "very slow axes chopping wood" ;
    }
}