com.codetaco.funnel.publisher.FixedLengthPublisher Maven / Gradle / Ivy

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package com.codetaco.funnel.publisher;

import java.io.IOException;
import java.text.ParseException;

import com.codetaco.funnel.parameters.FunnelContext;
import com.codetaco.funnel.segment.SourceProxyRecord;

/**
 * 
 * Abstract FixedLengthPublisher class.
 * 
 *
 * @author Chris DeGreef [email protected]
 */
abstract public class FixedLengthPublisher extends AbstractPublisher
{
    /**
     * 
     * Constructor for FixedLengthPublisher.
     * 
     *
     * @param _context a {@link com.codetaco.funnel.parameters.FunnelContext}
     *            object.
     * @throws java.text.ParseException if any.
     * @throws java.io.IOException if any.
     */
    public FixedLengthPublisher(final FunnelContext _context) throws ParseException, IOException
    {
        super(_context);
        this.originalBytes = new byte[Math.max(_context.getFixedRecordLengthOut(), _context.getFixedRecordLengthIn())];
    }

    @Override
    void formatOutputAndWrite(final SourceProxyRecord item, final byte[] rawData)
            throws IOException, Exception
    {
        context.formatOutHelper.format(this, originalBytes, context.getFixedRecordLengthOut(), item, false);
        super.formatOutputAndWrite(item, rawData);
    }

    @Override
    void loadOriginalBytes(final int originalFileNumber, final SourceProxyRecord item)
            throws IOException
    {
        /*
         * Make sure to delimit the current record length in the input buffer.
         */
        for (int b = 0; b < originalBytes.length; b++)
            originalBytes[b] = ' ';
        super.loadOriginalBytes(originalFileNumber, item);
    }
}