8000 move Spring tutorials into a separate repo · fishercoder1534/SpringTutorials@2c8bae8 · GitHub
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move Spring tutorials into a separate repo
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‎src/common/Gospel1.java

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package common;
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import lombok.Getter;
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import lombok.NoArgsConstructor;
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import lombok.Setter;
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@NoArgsConstructor
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public class Gospel1 {
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// public Gospel1() {
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// }
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// public String getReflection() {
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// return Reflection;
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// }
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//
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// public void setReflection(String reflection) {
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// Reflection = reflection;
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// }
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@Setter @Getter
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private String Reflection;
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}

‎src/common/HelloChina.java

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package common;
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import lombok.Getter;
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import lombok.NoArgsConstructor;
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import lombok.Setter;
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@NoArgsConstructor
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public class HelloChina {
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// public HelloChina() {
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// }
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@Setter @Getter//these Lombok annotations eventually work in my own Eclipse and project now, I can safely comment out/remove those boilerplate code! Cool!
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private String message;
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// public void getMessage() {
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// System.out.println(message);
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// }
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public void setMessage(String message) {
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this.message = message;
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}
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// this init() method is required b/c I'm using HelloWorld as this
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// HelloChina's parent bean
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public void init() {
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System.out.println("Bean HelloChina is going through init.");
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}
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// this destroy() method is required b/c I'm using HelloWorld as this
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// HelloChina's parent bean
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public void destroy() {
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System.out.println("Bean HelloChina will destroy now.");
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}
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}

‎src/common/HelloWorld.java

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package common;
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import lombok.Setter;
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public class HelloWorld {
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@Setter
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private String message;
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// public void setMessage(String message) {
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// this.message = message;
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// }
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public void getMessage() {
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System.out.println("Your Message : " + message);
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}
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public void init() {
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System.out.println("Bean HelloWorld is going through init.");
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}
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public void destroy() {
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System.out.println("Bean HelloWorld will destroy now.");
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}
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}

‎src/common/SpellChecker.java

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package common;
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public class SpellChecker {
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public SpellChecker() {
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System.out.println("Inside SpellChecker constructor.");
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}
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public void checkSpelling() {
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System.out.println("Inside checkSpelling.");
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}
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}

‎src/common/TextEditor.java

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package common;
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import lombok.Getter;
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public class TextEditor {
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@Getter
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private SpellChecker spellChecker;
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// I have to comment this out when using inner bean method to inject
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// dependency
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public TextEditor(SpellChecker spellChecker) {
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System.out.println("Inside TextEditor constructor.");
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this.spellChecker = spellChecker;
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}
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public void spellCheck() {
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spellChecker.checkSpelling();
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}
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// I have to comment out the setter method if I'm using constructor based
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// dependency injection
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// a setter method to inject the dependency.
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// public void setSpellChecker(SpellChecker spellChecker) {
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// System.out.println("Inside setSpellChecker.");
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// this.spellChecker = spellChecker;
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// }
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// a getter method to return spellChecker
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// public SpellChecker getSpellChecker() {
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// return spellChecker;
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// }
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public void init() {
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System.out.println("Inside init() method.");
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}
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public void cleanup() {
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System.out.println("Inside cleanup() method.");
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}
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}

‎src/pureXMLDependencyInjecttionExample/Career.java

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package pureXMLDependencyInjecttionExample;
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import lombok.Getter;
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import lombok.Setter;
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import lombok.ToString;
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@ToString
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public class Career {
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@Getter
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@Setter
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private String jobType;
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@Getter
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@Setter
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private int jobLevel;
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}

‎src/pureXMLDependencyInjecttionExample/City.java

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package pureXMLDependencyInjecttionExample;
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import lombok.Getter;
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import lombok.Setter;
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import lombok.ToString;
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@ToString
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public class City {
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@Getter
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@Setter
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private String cityName;
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@Getter
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@Setter
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private String area;
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}

‎src/pureXMLDependencyInjecttionExample/MainApp.java

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package pureXMLDependencyInjecttionExample;
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import org.springframework.context.support.AbstractApplicationContext;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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/**This app is running fine!
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* Remember to add apache.commson.logging and spring jars onto your classpath, otherwise the program won't run.
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* It helps me understand how @Resource annotation works! Cool!
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* Look at this project along with other two:
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* SpringPureXMLDependencyInjectionExample
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* Spring@RessourceAnnotationExample
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* to help me better understand the three possible ways to do DI using Spring.*/
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public class MainApp {
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public static void main(String... args) {
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System.out.println("It started!");
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AbstractApplicationContext context = new ClassPathXmlApplicationContext("spring.xml");
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Person p =(Person) context.getBean("person");
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System.out.println(p.getCity().toString());
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System.out.println(p.getWife().toString());
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System.out.println(p.getCareer().toString());
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}
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}

‎src/pureXMLDependencyInjecttionExample/Person.java

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package pureXMLDependencyInjecttionExample;
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import lombok.Setter;
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public class Person {
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@Setter
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private City city;
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@Setter
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private Wife wife;
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@Setter
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private Career career;
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public City getCity() {
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return city;
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}
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public Wife getWife() {
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return wife;
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}
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public Career getCareer() {
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return career;
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}
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}

‎src/pureXMLDependencyInjecttionExample/Wife.java

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package pureXMLDependencyInjecttionExample;
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import lombok.Getter;
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import lombok.Setter;
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import lombok.ToString;
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@ToString
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public class Wife {
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@Getter
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@Setter
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private String name;
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@Getter
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@Setter
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private String faith;
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}

‎src/spring.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:context="http://www.springframework.org/schema/context"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
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http://www.springframework.org/schema/context
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http://www.springframework.org/schema/context/spring-context-3.0.xsd">
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<bean id="person" class="pureXMLDependencyInjecttionExample.Person">
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<property name="city" ref="home123"/>
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<property name="wife" ref="wife"/>
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<property name="career" ref="careerFuture"/>
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</bean>
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<bean id="home123" class="pureXMLDependencyInjecttionExample.City">
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<property name="cityName" value="San Jose"/>
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<property name="area" value="NorCal"/>
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</bean>
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<bean id="wife" class="pureXMLDependencyInjecttionExample.Wife">
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<property name="name" value="Sophie Yan"/>
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<property name="faith" value="Christian"/>
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</bean>
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<bean id = "careerCurrent" class="pureXMLDependencyInjecttionExample.Career">
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<property name="jobType" value="SDE"/>
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<property name="jobLevel" value="4"/>
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</bean>
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<bean id="careerFuture" class="pureXMLDependencyInjecttionExample.Career">
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<property name="jobType" value="SDE"/>
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<property name="jobLevel" value="5"/>
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</bean>
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</beans>

‎src/spring_JSR_250_annotations/Beans.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:context="http://www.springframework.org/schema/context"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
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http://www.springframework.org/schema/context
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http://www.springframework.org/schema/context/spring-context-3.0.xsd">
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<context:annotation-config/>
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<bean id="helloWorld"
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class="spring_JSR_250_annotations.HelloWorld"
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init-method="init" destroy-method="destroy">
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<property name="message" value="Hello World from 2015/07/30!"/>
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</bean>
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</beans>

‎src/spring_JSR_250_annotations/HelloWorld.java

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package spring_JSR_250_annotations;
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import javax.annotation.PostConstruct;
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import javax.annotation.PreDestroy;
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import lombok.Getter;
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import lombok.Setter;
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public class HelloWorld {
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@Setter @Getter
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private String message;
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// public void setMessage(String message) {
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// this.message = message;
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// }
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//
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// public String getMessage() {
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// System.out.println("Your Message : " + message);
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// return message;
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// }
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@PostConstruct
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public void init() {
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System.out.println("Bean is going through init.");
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}
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@PreDestroy
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public void destroy() {
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System.out.println("Bean will destroy now.");
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}
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}

‎src/spring_JSR_250_annotations/MainApp.java

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package spring_JSR_250_annotations;
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/**Following is the content of the MainApp.java file. Here you
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* need to register a shutdown hook registerShutdownHook() method that
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* is declared on the AbstractApplicationContext class.
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* This will ensures a graceful shutdown and calls the relevant destroy methods.*/
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import org.springframework.context.support.AbstractApplicationContext;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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public class MainApp {
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public static void main(String[] args) {
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AbstractApplicationContext context = new ClassPathXmlApplicationContext(
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"spring_JSR_250_annotations/Beans.xml");
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HelloWorld obj = (HelloWorld) context.getBean("helloWorld");
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obj.getMessage();
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context.registerShutdownHook();
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System.out.print("\nThe end!\n");
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}
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}

‎src/spring_bean_post_processor/MainAppDemoBeanPostProcessor.java

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package spring_bean_post_processor;
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/**This MainApp is working fine.*/
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import org.springframework.context.support.AbstractApplicationContext;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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public class MainAppDemoBeanPostProcessor {
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public static void main(String[] args) {
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AbstractApplicationContext context = new ClassPathXmlApplicationContext(
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"spring_bean_post_processor/beansForDemoBeanPostProcessor.xml");
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common.HelloWorld obj = (common.HelloWorld) context.getBean("helloWorld");
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obj.getMessage();
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common.HelloChina obj2 = (common.HelloChina) context.getBean("helloChina");
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obj2.setMessage("China is saying hello to the rest of the world!");
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// obj2.getMessage();
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context.registerShutdownHook();
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System.out.println("The program ended! Cool!");
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}
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}

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