[BAEL-3348] Moved code to algorithm-4

mapstruct/src/main/java/com/baeldung/mapper/EmployeeMapper.java

@@ -0,0 +1,30 @@
+package com.baeldung.mapper;
+
+import com.baeldung.dto.DivisionDTO;
+import com.baeldung.dto.EmployeeDTO;
+import com.baeldung.entity.Division;
+import com.baeldung.entity.Employee;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+import org.mapstruct.Mappings;
+
+import java.util.List;
+
+@Mapper
+public interface EmployeeMapper {
+
+    @Mappings({ @Mapping(target = "employeeId", source = "entity.id"), @Mapping(target = "employeeName", source = "entity.name"), @Mapping(target = "employeeStartDt", source = "entity.startDt", dateFormat = "dd-MM-yyyy HH:mm:ss") })
+    EmployeeDTO employeeToEmployeeDTO(Employee entity);
+
+    @Mappings({ @Mapping(target = "id", source = "dto.employeeId"), @Mapping(target = "name", source = "dto.employeeName"), @Mapping(target = "startDt", source = "dto.employeeStartDt", dateFormat = "dd-MM-yyyy HH:mm:ss") })
+    Employee employeeDTOtoEmployee(EmployeeDTO dto);
+
+    DivisionDTO divisionToDivisionDTO(Division entity);
+
+    Division divisionDTOtoDivision(DivisionDTO dto);
+
+    List<Employee> convertEmployeeDTOListToEmployeeList(List<EmployeeDTO> list);
+
+    List<EmployeeDTO> convertEmployeeListToEmployeeDTOList(List<Employee> list);
+
+}