// $Id: DataFieldExample.java,v 1.1 2006/08/04 12:39:58 bpeters Exp $
/**
* 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.InputStream;
import java.util.Iterator;
import java.util.List;
import org.marc4j.MarcReader;
import org.marc4j.MarcStreamReader;
import org.marc4j.marc.DataField;
import org.marc4j.marc.Record;
import org.marc4j.marc.Subfield;
/**
* Read data fields.
*
* @author Bas Peters
* @version $Revision: 1.1 $
*/
public class DataFieldExample {
public static void main(String args[]) throws Exception {
InputStream input = DataFieldExample.class
.getResourceAsStream("resources/summerland.mrc");
MarcReader reader = new MarcStreamReader(input);
while (reader.hasNext()) {
Record record = reader.next();
// get the first field occurence for a given tag
DataField dataField = (DataField) record.getVariableField("245");
System.out.println(dataField.toString() + '\n');
// get all occurences for a particular tag
List dataFields = record.getVariableFields("650");
Iterator i = dataFields.iterator();
while (i.hasNext()) {
dataField = (DataField) i.next();
System.out.println(dataField.toString());
}
System.out.print('\n');
// get all occurences for a given list of tags
String[] tags = { "010", "100", "245", "250", "260", "300" };
dataFields = record.getVariableFields(tags);
i = dataFields.iterator();
while (i.hasNext()) {
dataField = (DataField) i.next();
System.out.println(dataField.toString());
}
System.out.print('\n');
// read indicators and subfields
dataField = (DataField) record.getVariableField("245");
String tag = dataField.getTag();
char ind1 = dataField.getIndicator1();
char ind2 = dataField.getIndicator2();
System.out.println("Tag: " + tag + " Indicator 1: " + ind1
+ " Indicator 2: " + ind2);
List subfields = dataField.getSubfields();
i = subfields.iterator();
while (i.hasNext()) {
Subfield subfield = (Subfield) i.next();
char code = subfield.getCode();
String data = subfield.getData();
System.out.println("Subfield code: " + code + " Data element: "
+ data);
}
System.out.print('\n');
// retrieve the first occurrence of subfield with code 'a'
Subfield subfield = dataField.getSubfield('a');
System.out.println("Title proper: " + subfield.getData());
}
}
}