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code examples for the article 38 the lifecycle of spring beans
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‎spring-boot/bean-lifecycle/.gitignore‎

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.gradle
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/build/
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!gradle/wrapper/gradle-wrapper.jar
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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/out/
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/

‎spring-boot/bean-lifecycle/build.gradle‎

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plugins {
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id 'org.springframework.boot' version '2.3.2.RELEASE'
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id 'io.spring.dependency-management' version '1.0.9.RELEASE'
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id 'java'
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}
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group = 'io.reflectoring'
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version = '0.0.1-SNAPSHOT'
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sourceCompatibility = '11'
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repositories {
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mavenCentral()
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}
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dependencies {
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implementation 'org.springframework.boot:spring-boot-starter'
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implementation 'org.springframework.boot:spring-boot-starter-quartz'
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implementation 'org.springframework.boot:spring-boot-starter-jersey'
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testImplementation('org.springframework.boot:spring-boot-starter-test') {
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exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
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}
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}
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test {
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useJUnitPlatform()
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}

‎spring-boot/bean-lifecycle/gradle/wrapper/gradle-wrapper.jar‎

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‎spring-boot/bean-lifecycle/gradle/wrapper/gradle-wrapper.properties‎

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#Tue Feb 06 12:27:20 CET 2018
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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip

‎spring-boot/bean-lifecycle/gradlew‎

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‎spring-boot/bean-lifecycle/gradlew.bat‎

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‎spring-boot/bean-lifecycle/settings.gradle‎

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rootProject.name = 'beanlifecycle'

‎spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/BeanLifecycleApplication.java‎

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package io.reflectoring.beanlifecycle;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class BeanLifecycleApplication {
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public static void main(String[] args) {
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SpringApplication.run(BeanLifecycleApplication.class, args);
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}
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}

‎spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/MyBeanPostProcessor.java‎

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package io.reflectoring.beanlifecycle;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.config.BeanPostProcessor;
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public class MyBeanPostProcessor implements BeanPostProcessor {
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@Override
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public Object postProcessBeforeInitialization(Object bean, String beanName)
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throws BeansException {
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if (bean instanceof MySpringBean) {
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System.out.println("--- postProcessBeforeInitialization executed ---");
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}
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return bean;
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}
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@Override
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public Object postProcessAfterInitialization(Object bean, String beanName)
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throws BeansException {
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if (bean instanceof MySpringBean) {
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System.out.println("--- postProcessAfterInitialization executed ---");
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}
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return bean;
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}
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}

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