org.simpleflatmapper.lightningcsv.impl.CellConsumerFixLengthToCheckConsumer Maven / Gradle / Ivy

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Java library to map flat record - ResultSet, csv - to java object with minimum configuration and low footprint.

There is a newer version: 9.0.2

package org.simpleflatmapper.lightningcsv.impl;

import org.simpleflatmapper.lightningcsv.parser.CellConsumer;
import org.simpleflatmapper.util.Consumer;

import java.util.Arrays;

public class CellConsumerFixLengthToCheckConsumer implements CellConsumer {
    
    private final String[] values;
    private int currentIndex;
    private final Consumer consumer;

    public CellConsumerFixLengthToCheckConsumer(int l, Consumer consumer) {
        values = new String[l];
        this.consumer = consumer;
    }
    @Override
    public void newCell(char[] chars, int offset, int length) {
        if (currentIndex < values.length) {
            values[currentIndex++] = new String(chars, offset, length);
        }
    }

    @Override
    public boolean endOfRow() {
        try {
            consumer.accept(Arrays.copyOf(values, values.length));
        } finally {
            Arrays.fill(values, null);
            currentIndex = 0;
        }
        return true;
    }

    @Override
    public void end() {
        if (currentIndex > 0) {
            endOfRow();
        }
    }
}