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kumar-devendermaibin
kumar-devender
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maibin
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BAEL-3286 added component scan filter example (eugenp#7786)
* BAEL-3286 added component scan filter example * BAEL-3286 added component scan filter example * Fix alingemnt * Remove unused class * Corrected formatting * formatted code
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-51
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‎spring-boot-di/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-boot-di</artifactId>
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<name>spring-boot-di</name>
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<packaging>jar</packaging>
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<description>Module For Spring Boot DI</description>
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<parent>
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<artifactId>parent-boot-2</artifactId>
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<groupId>com.baeldung</groupId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../parent-boot-2</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-tomcat</artifactId>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.tomcat.embed</groupId>
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<artifactId>tomcat-embed-jasper</artifactId>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<configuration>
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<mainClass>com.baeldung.SpringBootDiApplication</mainClass>
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<layout>JAR</layout>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<properties>
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<start-class>com.baeldung.SpringBootDiApplication</start-class>
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</properties>
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-boot-di</artifactId>
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<name>spring-boot-di</name>
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<packaging>jar</packaging>
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<description>Module For Spring Boot DI</description>
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<parent>
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<artifactId>parent-boot-2</artifactId>
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<groupId>com.baeldung</groupId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../parent-boot-2</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.aspectj</groupId>
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<artifactId>aspectjweaver</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-tomcat</artifactId>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.tomcat.embed</groupId>
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<artifactId>tomcat-embed-jasper</artifactId>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<configuration>
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<mainClass>com.baeldung.SpringBootDiApplication</mainClass>
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<layout>JAR</layout>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<properties>
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<start-class>com.baeldung.SpringBootDiApplication</start-class>
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</properties>
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</project>

‎spring-boot-di/src/main/java/com/baeldung/componentscan/filter/annotation/Animal.java

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package com.baeldung.componentscan.filter.annotation;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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@Retention(RetentionPolicy.RUNTIME)
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@Target(ElementType.TYPE)
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public @interface Animal { }

‎spring-boot-di/src/main/java/com/baeldung/componentscan/filter/annotation/ComponentScanAnnotationFilterApp.java

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package com.baeldung.componentscan.filter.annotation;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.FilterType;
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import java.util.Arrays;
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@Configuration
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@ComponentScan(includeFilters = @ComponentScan.Filter(type = FilterType.ANNOTATION, classes = Animal.class))
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public class ComponentScanAnnotationFilterApp {
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private static ApplicationContext applicationContext;
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public static void main(String[] args) {
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applicationContext = new AnnotationConfigApplicationContext(ComponentScanAnnotationFilterApp.class);
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Arrays.stream(applicationContext.getBeanDefinitionNames())
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.forEach(System.out::println);
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}
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}

‎spring-boot-di/src/main/java/com/baeldung/componentscan/filter/annotation/Elephant.java

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package com.baeldung.componentscan.filter.annotation;
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@Animal
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public class Elephant { }

‎spring-boot-di/src/main/java/com/baeldung/componentscan/filter/aspectj/Cat.java

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package com.baeldung.componentscan.filter.aspectj;
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public class Cat { }

‎spring-boot-di/src/main/java/com/baeldung/componentscan/filter/aspectj/ComponentScanCustomFilterApp.java

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package com.baeldung.componentscan.filter.aspectj;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.FilterType;
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import java.util.Arrays;
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@Configuration
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@ComponentScan(includeFilters = @ComponentScan.Filter(type = FilterType.ASPECTJ,
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pattern = "com.baeldung.componentscan.filter.aspectj.* "
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+ "&& !(com.baeldung.componentscan.filter.aspectj.L* "
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+ "|| com.baeldung.componentscan.filter.aspectj.E*)"))
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public class ComponentScanCustomFilterApp {
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private static ApplicationContext applicationContext;
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public static void main(String[] args) {
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applicationContext = new AnnotationConfigApplicationContext(ComponentScanCustomFilterApp.class);
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Arrays.stream(applicationContext.getBeanDefinitionNames())
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.forEach(System.out::println);
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}
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}

‎spring-boot-di/src/main/java/com/baeldung/componentscan/filter/aspectj/Elephant.java

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package com.baeldung.componentscan.filter.aspectj;
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public class Elephant { }

‎spring-boot-di/src/main/java/com/baeldung/componentscan/filter/aspectj/Loin.java

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package com.baeldung.componentscan.filter.aspectj;
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public class Loin { }

‎spring-boot-di/src/main/java/com/baeldung/componentscan/filter/assignable/Animal.java

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package com.baeldung.componentscan.filter.assignable;
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public interface Animal { }

‎spring-boot-di/src/main/java/com/baeldung/componentscan/filter/assignable/Cat.java

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package com.baeldung.componentscan.filter.assignable;
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public class Cat implements Animal { }

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