SimpleFlatMapper is a library that provide

• performant
• easy to use
• flexible mappers and abstraction to create pull mappers easily.

The main module provides support for

• CSV Parser
• CSV Mapper
• CSV Writter
• Jdbc Mapper
• Jdbc Crud

The CsvParser included is also one of the fastest available in java.

There are also modules to support integration with external libraries

The mappers supports

• Constructor injection
• Method injection
• Field injection
• Value Object support
• ASM acceleration
• Sub Object Mapping
• Tuple support including jOOL tuples ans Fasttuple
• List and Array mapping
• No configuration needed

See Property Mapping Wiki for more details.

If you encounter any problem with the mapping don't hesitate to create an issue.

Module
Cassandra Datastax driver
jOOQ
Poi Excel Spreadsheet
Query DSL
Spring JDBC
SQL2o, no java6

The binaries are available in maven central. There is a build for

		<dependency>
			<groupId>org.simpleflatmapper</groupId>
			<artifactId>sfm</artifactId>
			<version>2.7.4</version>
		</dependency>

		<dependency>
			<groupId>org.simpleflatmapper</groupId>
			<artifactId>sfm</artifactId>
			<version>2.7.4</version>
			<classifier>jdk17</classifier>
		</dependency>

		<dependency>
			<groupId>org.simpleflatmapper</groupId>
			<artifactId>sfm</artifactId>
			<version>2.7.4</version>
			<classifier>jdk16</classifier>
		</dependency>

public class MyDao {
	JdbcMapper<MyObject> mapper =
		JdbcMapperFactory.newInstance().newMapper(MyObject.class);

	public List<MyObject> findAll() throws SQLException {
		try (Connection conn = getConnection();
		     PreparedStatement ps = conn.prepareStatement("select * from my_table");
		     ResultSet rs = ps.executeQuery();) {
			return mapper.stream(rs).collect(Collectors.toList());
		}
	}

}

CsvParser
        .separator('\t')
        .mapTo(MyObject.class)
        .stream(reader)
        .forEach(System.out::println);

The build is using Maven.

git clone https://github.com/arnaudroger/SimpleFlatMapper.git
cd SimpleFlatMapper
mvn install