#data source 1
tools.datasource[0].url=jdbc:sqlserver://databaseurl;databaseName=dbname
tools.datasource[0].username=databaseUser
tools.datasource[0].password=databasePassword
tools.datasource[0].driverClassName=com.microsoft.sqlserver.jdbc.SQLServerDriver

#data source 2
tools.datasource[0].url=jdbc:sqlserver://databaseurl;databaseName=dbname
tools.datasource[0].username=databaseUser
tools.datasource[0].password=databasePassword
tools.datasource[0].driverClassName=com.microsoft.sqlserver.jdbc.SQLServerDriver

@Configuration
@ConfigurationProperties(prefix = "tools.datasource")
public class MultipleDataSource {

     private List<DataSource> datasources;

     public List<DataSource> getDatasources() {
         return datasources;
    }
}

@Configuration
@EnableBatchProcessing
public class BatchConfiguration {

@Autowired
public JobBuilderFactory jobBuilderFactory;

@Autowired
public StepBuilderFactory stepBuilderFactory;

@Autowired
public MultipleDataSource dataSourceConfig;

public ItemReader<Project> reader(DataSource datasource) {

    dataSourceConfig.getDatasources().forEach(System.out::println);

    JdbcCursorItemReader<Item> reader = new JdbcCursorItemReader<Item>();
     ......

    return reader;


 }

}