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/**
 * Copyright (C) 2002-2006 Bas Peters
 *
 * This file is part of MARC4J
 *
 * MARC4J is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * MARC4J 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with MARC4J; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.marc4j.samples;

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.List;

import org.marc4j.MarcReader;
import org.marc4j.MarcStreamReader;
import org.marc4j.marc.DataField;
import org.marc4j.marc.Record;

/**
 * Demostrates the use of the find method.
 *
 * @author Bas Peters
 */
public class CheckAgencyExample {

    private CheckAgencyExample() {
    }

    /**
     * The main class for CheckAgencyExample.
     *
     * @param args
     * @throws Exception
     */
    public static void main(final String args[]) throws Exception {
        final InputStream input = new FileInputStream("src/test/resources/summerland.mrc");
        final MarcReader reader = new MarcStreamReader(input);

        while (reader.hasNext()) {
            final Record record = reader.next();

            // check if the cataloging agency is DLC
            final List result = record.find("040", "DLC");

            if (result.size() > 0) {
                System.out.println("Agency for this record is DLC");
            }

            // there is no specific find for a specific subfield
            // so to check if it is the orignal cataloging agency
            final DataField field = (DataField) result.get(0);
            final String agency = field.getSubfield('a').getData();

            if (agency.matches("DLC")) {
                System.out.println("DLC is the original agency");
            }
        }
    }
}