ReplyGenerator.java

/*
 * Copyright 2005-2015 by BerryWorks Software, LLC. All rights reserved.
 *
 * This file is part of EDIReader. You may obtain a license for its use directly from
 * BerryWorks Software, and you may also choose to use this software under the terms of the
 * GPL version 3. Other products in the EDIReader software suite are available only by licensing
 * with BerryWorks. Only those files bearing the GPL statement below are available under the GPL.
 *
 * EDIReader is free software: you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * EDIReader is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with EDIReader.  If not,
 * see <http://www.gnu.org/licenses/>.
 */

package com.berryworks.edireader;

import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public abstract class ReplyGenerator {
    protected StandardReader standardReader;

    protected String controlDateAndTimeOverride;

    protected DateFormat yymmdd;

    protected DateFormat yyyymmdd;

    protected DateFormat hhmm;

    public abstract void generateAcknowledgementWrapup() throws IOException;

    public abstract void generateTransactionAcknowledgment(String documentType,
                                                           String control) throws IOException;

    public abstract void generateAcknowledgmentHeader(String firstSegment,
                                                      String groupSender, String groupReceiver, int i,
                                                      String groupVersion, String groupFunctionCode,
                                                      String groupControlNumber) throws IOException;

    public abstract void generateAcknowledgmentHeader(String syntaxIdentifier,
                                                      String syntaxVersionNumber, String fromId, String fromQual,
                                                      String toId, String toQual, String interchangeControlNumber) throws IOException;

    public abstract void generateGroupAcknowledgmentTrailer(int docCount)
            throws IOException;

    public abstract void generateNegativeACK() throws IOException;

    /**
     * Set an override value to be used whenever generating a control date and
     * time. This method is used for automated testing.
     *
     * @param overrideValue to be used in lieu of current date and time
     */
    public void setControlDateAndTime(String overrideValue) {
        controlDateAndTimeOverride = overrideValue;
    }

    public String controlDateAndTime(int dateLength) {
        return controlDateAndTime(dateLength, standardReader.getDelimiter());
    }

    public String controlDateAndTime(int dateLength, char delimiter) {
        if (controlDateAndTimeOverride != null)
            return controlDateAndTimeOverride;

        // Do lazy initializations if needed
        if (yymmdd == null)
            yymmdd = new SimpleDateFormat("yyMMdd");
        if (yyyymmdd == null)
            yyyymmdd = new SimpleDateFormat("yyyyMMdd");
        if (hhmm == null)
            hhmm = new SimpleDateFormat("HHmm");

        Date now = new Date();
        DateFormat sixOrEight = (dateLength == 6) ? yymmdd : yyyymmdd;
        return sixOrEight.format(now) + delimiter + hhmm.format(now);
    }

}