KanbanCsvReader.java

package com.metservice.kanban.csv;

import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import au.com.bytecode.opencsv.CSVReader;
import com.metservice.kanban.model.WorkItem;
import com.metservice.kanban.model.WorkItemType;

public class KanbanCsvReader {

    private final CSVReader csvReader;
    private final WorkItemParser workItemParser;

    public KanbanCsvReader(Reader reader, WorkItemType workItemType) {
        this(reader, new DefaultWorkItemParser(workItemType));
    }

    public KanbanCsvReader(Reader reader, WorkItemParser workItemParser) {
        this.csvReader = new CSVReader(reader);
        this.workItemParser = workItemParser;
    }

    public List<WorkItem> read() throws IOException {
        CsvColumnNames columnNames = new CsvColumnNames(csvReader.readNext());
        List<WorkItem> workItems = new ArrayList<WorkItem>();

        int rowNumber = 0;
        String[] row = csvReader.readNext();
        while (row != null) {
            WorkItem workItem = createWorkItemWrappingException(columnNames, rowNumber, row);
            workItems.add(workItem);

            row = csvReader.readNext();
            rowNumber++;
        }
        return new ArrayList<WorkItem>(workItems);
    }

    private WorkItem createWorkItemWrappingException(CsvColumnNames columnNames, int rowNumber, String[] row) {
        try {
            return workItemParser.parseWorkItem(columnNames, row);
        } catch (RuntimeException e) {
            throw new RuntimeException("failed to create work item from row " + rowNumber, e);
        }
    }

    public void close() throws IOException {
        csvReader.close();
    }

    public void closeQuietly() {
        try {
            csvReader.close();
        } catch (Exception e) {
        }
    }
}