1 // $Id: DataFieldExample.java,v 1.1 2006/08/04 12:39:58 bpeters Exp $
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3 * Copyright (C) 2002-2006 Bas Peters
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5 * This file is part of MARC4J
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7 * MARC4J is free software; you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public
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9 * License as published by the Free Software Foundation; either
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10 * version 2.1 of the License, or (at your option) any later version.
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12 * MARC4J is distributed in the hope that it will be useful,
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with MARC4J; if not, write to the Free Software
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19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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21 package org.marc4j.samples;
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23 import java.io.InputStream;
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24 import java.util.Iterator;
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25 import java.util.List;
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27 import org.marc4j.MarcReader;
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28 import org.marc4j.MarcStreamReader;
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29 import org.marc4j.marc.DataField;
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30 import org.marc4j.marc.Record;
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31 import org.marc4j.marc.Subfield;
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32 import org.marc4j.marc.VariableField;
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37 * @author Bas Peters
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38 * @version $Revision: 1.1 $
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40 public class DataFieldExample {
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42 public static void main(String args[]) throws Exception {
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44 InputStream input = DataFieldExample.class
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45 .getResourceAsStream("resources/summerland.mrc");
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47 MarcReader reader = new MarcStreamReader(input);
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48 while (reader.hasNext()) {
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49 Record record = reader.next();
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51 // get the first field occurence for a given tag
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52 DataField dataField = (DataField) record.getVariableField("245");
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53 System.out.println(dataField.toString() + '\n');
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55 // get all occurences for a particular tag
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56 List<VariableField> variableFields = record.getVariableFields("650");
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57 Iterator<VariableField> vi = variableFields.iterator();
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58 while (vi.hasNext()) {
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59 VariableField variableField = vi.next();
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60 System.out.println(variableField.toString());
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62 System.out.print('\n');
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64 // get all occurences for a given list of tags
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65 String[] tags = { "010", "100", "245", "250", "260", "300" };
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66 variableFields = record.getVariableFields(tags);
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67 vi = variableFields.iterator();
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68 while (vi.hasNext()) {
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69 VariableField vf = (DataField) vi.next();
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70 if (vf instanceof DataField)
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71 System.out.println( ((DataField) vf).toString());
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73 System.err.println("Not a Datafield: " + vf.toString());
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75 System.out.print('\n');
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77 // read indicators and subfields
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78 dataField = (DataField) record.getVariableField("245");
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79 String tag = dataField.getTag();
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80 char ind1 = dataField.getIndicator1();
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81 char ind2 = dataField.getIndicator2();
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83 System.out.println("Tag: " + tag + " Indicator 1: " + ind1
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84 + " Indicator 2: " + ind2);
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86 List<Subfield> subfields = dataField.getSubfields();
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87 Iterator<Subfield> si = subfields.iterator();
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89 while (si.hasNext()) {
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90 Subfield subfield = si.next();
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91 char code = subfield.getCode();
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92 String data = subfield.getData();
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94 System.out.println("Subfield code: " + code + " Data element: "
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97 System.out.print('\n');
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99 // retrieve the first occurrence of subfield with code 'a'
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100 Subfield subfield = dataField.getSubfield('a');
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101 System.out.println("Title proper: " + subfield.getData());
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