ConditionalBeansForAppServer.java

import dev.c20.test2.demo.stg.Entidad;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;

@Configuration
public class DemoConfig {

    @Bean
    @Conditional( DemoApplication.class )
    public Entidad getEntidad() {
        return new Entidad().setNombre("Ejemplo de entidad");
    }
    @Autowired
    Environment env;
    
    
    
    @Bean
    @Conditional( DemoApplication.class )
    public LocalContainerEntityManagerFactoryBean entityManagerFactory() throws NamingException {

        HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        logger.info("Set EntityManager to Oracle:" + Database.ORACLE);
        vendorAdapter.setGenerateDdl(true);
        vendorAdapter.setDatabasePlatform("org.hibernate.dialect.Oracle12cDialect");
	    
        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
        JndiTemplate jndiTemplate = new JndiTemplate();
        DataSource dataSource = null;
	    
	    try {
	         dataSource = (DataSource) jndiTemplate.lookup("jdbc/ejemplo");
	         logger.info("DataSource: jdbc/eucWeb");
	 	} catch( Exception ex ) {
	    	try {
	    		dataSource = (DataSource) jndiTemplate.lookup("java:jboss/datasources/ejemplo");
	    		logger.info("DataSource: java:jboss/datasources/ejemplo");
	    	} catch( Exception exx) {
	    		
	    	}
	    }

	    em.setDataSource(dataSource);
	    
        em.setPackagesToScan(this.getClass().getPackage().getName());
        em.setJpaVendorAdapter(vendorAdapter);
        em.setJpaProperties(additionalProperties());
        

        return em;
    }
    
  
    
    private Properties additionalProperties() {
        logger.info("Set hibernate props");
        Properties properties = new Properties();
        properties.setProperty("hibernate.hbm2ddl.auto", env.getProperty("spring.jpa.hibernate.ddl-auto"));
        properties.setProperty("hibernate.dialect", env.getProperty("spring.jpa.properties.hibernate.dialect"));
        properties.setProperty("hibernate.current_session_context_class", env.getProperty("spring.jpa.properties.hibernate.current_session_context_class"));
        properties.setProperty("hibernate.show_sql", env.getProperty("spring.jpa.show-sql"));
        properties.setProperty("hibernate.format_sql", env.getProperty("spring.jpa.properties.hibernate.format_sql"));

        properties.setProperty("hibernate.SQL","DEBUG");
    		properties.setProperty("hibernate.type","trace");
        return properties;
    }

    @Bean
    @Conditional( DemoApplication.class )
    public PersistenceExceptionTranslationPostProcessor exceptionTranslation() {
        return new PersistenceExceptionTranslationPostProcessor();
    }
    
    @Bean
    @Conditional( DemoApplication.class )
    public PlatformTransactionManager transactionManager(EntityManagerFactory emf) {
        JpaTransactionManager transactionManager = new JpaTransactionManager();
        transactionManager.setEntityManagerFactory(emf);

        return transactionManager;
    }

    @Bean
    @Conditional( DemoApplication.class )
    public DataSource dataSource() throws Exception {
        JndiTemplate jndiTemplate = new JndiTemplate();
	    DataSource dataSource = null;
	    try {
	         dataSource = (DataSource) jndiTemplate.lookup("jdbc/ejemplo");
	         logger.info("Set DataSource: jdbc/ejemplo");
	         
	    } catch( Exception ex ) {
	    	try {
	    		dataSource = (DataSource) jndiTemplate.lookup("java:jboss/datasources/ejemplo");
	    		logger.info("Set DataSource: java:jboss/datasources/ejemplo");
	    	} catch( Exception exx) {
	    		
	    	}
	    }


        return dataSource;
    }

}