net.sf.flatpack.examples.delimiteddynamiccolumnswitherrors.DelimitedWithPZMapErrors Maven / Gradle / Ivy

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Examples to handle CSV, Excel CSV, Tab, Pipe delimiters, just to name a few. Maps column positions in the file to user friendly names via XML. See FlatPack Feature List under News for complete feature list.

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package net.sf.flatpack.examples.delimiteddynamiccolumnswitherrors;

/*
 * Created on Dec 31, 2004
 *
 */

import java.io.File;
import java.util.Iterator;

import net.sf.flatpack.DataError;
import net.sf.flatpack.DataSet;
import net.sf.flatpack.DefaultParserFactory;
import net.sf.flatpack.Parser;
import net.sf.flatpack.ordering.OrderBy;
import net.sf.flatpack.ordering.OrderColumn;

/**
 * @author zepernick
 *
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class DelimitedWithPZMapErrors {
    public static void main(final String[] args) throws Exception {
        final String mapping = getDefaultMapping();
        final String data = getDefaultDataFile();
        call(mapping, data);

    }

    public static String getDefaultDataFile() {
        return "PEOPLE-CommaDelimitedWithQualifierAndHeaderTrailerRecError.txt";
    }

    public static String getDefaultMapping() {
        return "PEOPLE-DelimitedWithHeaderTrailer.pzmap.xml";
    }

    public static void call(final String mapping, final String data) throws Exception {
        // delimited by a comma
        // text qualified by double quotes
        // ignore first record
        final Parser pzparser = DefaultParserFactory.getInstance().newDelimitedParser(new File(mapping), new File(data), ',', '"', true);
        final DataSet ds = pzparser.parse();
        // re order the data set by last name
        final OrderBy orderby = new OrderBy();
        orderby.addOrderColumn(new OrderColumn("CITY", false));
        orderby.addOrderColumn(new OrderColumn("LASTNAME", true));
        ds.orderRows(orderby);

        final String[] colNames = ds.getColumns();

        while (ds.next()) {

            if (ds.isRecordID("header")) {
                System.out.println(">>>>found header");
                System.out.println("COLUMN NAME: INDICATOR VALUE: " + ds.getString("RECORDINDICATOR"));
                System.out.println("COLUMN NAME: HEADERDATA VALUE: " + ds.getString("HEADERDATA"));
                System.out.println("===========================================================================");
                continue;
            }

            if (ds.isRecordID("trailer")) {
                System.out.println(">>>>found trailer");
                System.out.println("COLUMN NAME: INDICATOR VALUE: " + ds.getString("RECORDINDICATOR"));
                System.out.println("COLUMN NAME: TRAILERDATA VALUE: " + ds.getString("TRAILERDATA"));
                System.out.println("===========================================================================");
                continue;
            }

            for (final String colName : colNames) {
                System.out.println("COLUMN NAME: " + colName + " VALUE: " + ds.getString(colName));
            }

            System.out.println("===========================================================================");
        }

        System.out.println(">>>>>>ERRORS!!!");
        final Iterator errors = ds.getErrors().iterator();
        while (errors.hasNext()) {
            final DataError dataError = (DataError) errors.next();

            System.out.println("ERROR: " + dataError.getErrorDesc() + " LINE NUMBER: " + dataError.getLineNo());
        }

    }
}