[JAVA-958] Standardize packages in spring-batch module

spring-batch/src/main/java/com/baeldung/batch/SpringConfig.java

@@ -0,0 +1,78 @@
+package com.baeldung.batch;
+
+import java.net.MalformedURLException;
+
+import javax.sql.DataSource;
+
+import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
+import org.springframework.batch.core.launch.JobLauncher;
+import org.springframework.batch.core.launch.support.SimpleJobLauncher;
+import org.springframework.batch.core.repository.JobRepository;
+import org.springframework.batch.core.repository.support.JobRepositoryFactoryBean;
+import org.springframework.batch.support.transaction.ResourcelessTransactionManager;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.Resource;
+import org.springframework.jdbc.datasource.DriverManagerDataSource;
+import org.springframework.jdbc.datasource.init.DataSourceInitializer;
+import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
+import org.springframework.transaction.PlatformTransactionManager;
+
+@Configuration
+@EnableBatchProcessing
+public class SpringConfig {
+
+    @Value("org/springframework/batch/core/schema-drop-sqlite.sql")
+    private Resource dropReopsitoryTables;
+
+    @Value("org/springframework/batch/core/schema-sqlite.sql")
+    private Resource dataReopsitorySchema;
+
+    @Bean
+    public DataSource dataSource() {
+        DriverManagerDataSource dataSource = new DriverManagerDataSource();
+        dataSource.setDriverClassName("org.sqlite.JDBC");
+        dataSource.setUrl("jdbc:sqlite:repository.sqlite");
+        return dataSource;
+    }
+
+    @Bean
+    public DataSourceInitializer dataSourceInitializer(DataSource dataSource) throws MalformedURLException {
+        ResourceDatabasePopulator databasePopulator = new ResourceDatabasePopulator();
+
+        databasePopulator.addScript(dropReopsitoryTables);
+        databasePopulator.addScript(dataReopsitorySchema);
+        databasePopulator.setIgnoreFailedDrops(true);
+
+        DataSourceInitializer initializer = new DataSourceInitializer();
+        initializer.setDataSource(dataSource);
+        initializer.setDatabasePopulator(databasePopulator);
+
+        return initializer;
+    }
+
+    private JobRepository getJobRepository() throws Exception {
+        JobRepositoryFactoryBean factory = new JobRepositoryFactoryBean();
+        factory.setDataSource(dataSource());
+        factory.setTransactionManager(getTransactionManager());
+        // JobRepositoryFactoryBean's methods Throws Generic Exception,
+        // it would have been better to have a specific one
+        factory.afterPropertiesSet();
+        return (JobRepository) factory.getObject();
+    }
+
+    private PlatformTransactionManager getTransactionManager() {
+        return new ResourcelessTransactionManager();
+    }
+
+    public JobLauncher getJobLauncher() throws Exception {
+        SimpleJobLauncher jobLauncher = new SimpleJobLauncher();
+        // SimpleJobLauncher's methods Throws Generic Exception,
+        // it would have been better to have a specific one
+        jobLauncher.setJobRepository(getJobRepository());
+        jobLauncher.afterPropertiesSet();
+        return jobLauncher;
+    }
+
+}