@Component("pricereader")
public class MyItemReader implements ItemReader<Price>{

@Override
public Price read() throws Exception, UnexpectedInputException, ParseException,
        NonTransientResourceException {
    // TODO Auto-generated method stub
    return null;
}

<batch:job id="job1">
    <batch:step id="step1">
        <batch:tasklet>
            <batch:chunk reader="pricereader" processor="priceprocessor" writer="pricewriter" commit-interval="1"/>
        </batch:tasklet>
    </batch:step>
 </batch:job>

private Scanner scanner;
public MyItemReader(String filepath){
        //initializing scanner
}