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Commit ebbc159

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Spring Inyección automática con autowiring
Habilitar el autowiring en Spring con XML y mendiante anotaciones.
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<?xml version="1.0" encoding="UTF-8"?>
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<project-shared-configuration>
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<!--
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This file contains additional configuration written by modules in the NetBeans IDE.
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The configuration is intended to be shared among all the users of project and
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therefore it is assumed to be part of version control checkout.
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Without this configuration present, some functionality in the IDE may be limited or fail altogether.
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-->
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<spring-data xmlns="http://www.netbeans.org/ns/spring-data/1">
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<config-files>
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<config-file>src/main/resources/springXMLConfig.xml</config-file>
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<config-file>src/main/resources/beans.xml</config-file>
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</config-files>
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<config-file-groups/>
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</spring-data>
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</project-shared-configuration>

‎tutorial_autowiring/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" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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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<groupId>carmelo.spring</groupId>
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<artifactId>tutorial_autowiring</artifactId>
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<version>1.0</version>
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<packaging>jar</packaging>
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<dependencies>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-context</artifactId>
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<version>4.3.6.RELEASE</version>
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</dependency>
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</dependencies>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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</project>
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package carmelo.spring.autowiring;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import org.springframework.context.support.AbstractApplicationContext;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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/**
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*
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* @author Carmelo Marin Abrego
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*/
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public class Autowiring {
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/**
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* @param args the command line arguments
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*/
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public static void main(String[] args) {
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//AbstractApplicationContext ctx = new AnnotationConfigApplicationContext(SpringJavaConfig.class);
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AbstractApplicationContext ctx = new ClassPathXmlApplicationContext("springXMLConfig.xml");
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for (String bean_name : ctx.getBeanDefinitionNames()) {
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System.out.println(":: " + bean_name);
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}
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EmpleadoService es = ctx.getBean("empleadoService", EmpleadoService.class);
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System.out.println("EDao: " + ((EmpleadoServiceImpl)es).getEmpleadoDao());
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ctx.close();
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}
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}
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package carmelo.spring.autowiring;
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/**
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*
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* @author Carmelo Marin Abrego
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*/
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public interface EmpleadoDao {
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}
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package carmelo.spring.autowiring;
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public class EmpleadoDaoImpl implements EmpleadoDao {
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@Override
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public String toString() {
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return "Logica de acceso a datos...";
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}
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}
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package carmelo.spring.autowiring;
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/**
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*
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* @author Carmelo Marin Abrego
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*/
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public interface EmpleadoService {
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}
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package carmelo.spring.autowiring;
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public class EmpleadoServiceImpl implements EmpleadoService {
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private EmpleadoDao empleadoDao;
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public EmpleadoServiceImpl() {
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}
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public EmpleadoServiceImpl(EmpleadoDao empleadoDao) {
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this.empleadoDao = empleadoDao;
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}
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public void setEmpleadoDao(EmpleadoDao empleadoDao) {
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this.empleadoDao = empleadoDao;
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}
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public EmpleadoDao getEmpleadoDao() {
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return empleadoDao;
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}
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}
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package carmelo.spring.autowiring;
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import org.springframework.beans.factory.annotation.Autowire;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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//@Configuration
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public class SpringJavaConfig {
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@Bean
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public EmpleadoDao empleadoDao() {
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return new EmpleadoDaoImpl();
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}
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@Bean(autowire = Autowire.BY_TYPE)
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public EmpleadoService empleadoService() {
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return new EmpleadoServiceImpl();
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}
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}
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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 http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd">
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<!-- <context:component-scan base-package="carmelo.spring.autowiring"/> -->
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<bean id="empleadoDao"
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class="carmelo.spring.autowiring.EmpleadoDaoImpl" />
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<bean id="empleadoService"
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class="carmelo.spring.autowiring.EmpleadoServiceImpl"
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autowire="constructor" />
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</beans>

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