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MARC4J provides an easy to use API for working with MARC (binary), MARCXML, MARC JSON in Java. MARC stands for MAchine Readable Cataloging and is a widely used exchange format for bibliographic data. MARCXML provides a loss-less conversion between MARC (MARC21 but also other formats like UNIMARC) and XML.

Features

The MARC4J library includes:

...

  • Leader leader;
  • List<ControlField> controlFields
  • List<DataField> dataFields
  • List<MarcError> errors

Writers

Marc4j lib testing experience

...

JSON representation of marc record entity

{
  "leader": "00508cjm a22001813 4500",
 "fields": [
    {
      "001": "10062588"
 },
 {
      "005": "20171013073237.0"
 },
 {
      "007": "sd fsngnnmmneu"
 },
 {
      "008": "170825s2017 xx nn n zxx d"
 },
 {
      "024": {
        "subfields": [
          {
            "a": "00190295755553"
 },
 {
            "2": "gtin-14"
 }
        ],
 "ind1": "7",
 "ind2": " "
 }
    },
 {
      "024": {
        "subfields": [
          {
            "a": "190295755553"
 }
        ],
 "ind1": "1",
 "ind2": " "
 }
    },
 {
      "035": {
        "subfields": [
          {
            "a": "(OCoLC)1002130878"
 }
        ],
 "ind1": " ",
 "ind2": " "
 }
    },
 {
      "035": {
        "subfields": [
          {
            "a": "10062588"
 }
        ],
 "ind1": " ",
 "ind2": " "
 }
    },
 {
      "040": {
        "subfields": [
          {
            "a": "BTCTA"
 },
 {
            "b": "eng"
 },
 {
            "c": "BTCTA"
 }
        ],
 "ind1": " ",
 "ind2": " "
 }
    },
 {
      "100": {
        "subfields": [
          {
            "a": "Rossi, Daniele"
 }
        ],
 "ind1": "1",
 "ind2": " "
 }
    },
 {
      "245": {
        "subfields": [
          {
            "a": "Saint-Saens: Organ Symphony and Carnival of The Animals"
 }
        ],
 "ind1": "0",
 "ind2": "0"
 }
    },
 {
      "260": {
        "subfields": [
          {
            "b": "Wea Corp"
 },
 {
            "c": "2017."
 }
        ],
 "ind1": " ",
 "ind2": " "
 }
    },
 {
      "948": {
        "subfields": [
          {
            "a": "20171013"
 },
 {
            "b": "m"
 },
 {
            "d": "batch"
 },
 {
            "e": "lts"
 },
 {
            "x": "deloclcprefix"
 }
        ],
 "ind1": "2",
 "ind2": " "
 }
    }
  ]
}

Code snippet

to parse MARC file and print all information to console


public class App {

    public static void main(String args[]) throws Exception {

        // path to .mrc file
 String path = "";

 // Input Stream from file
 InputStream in = new FileInputStream(path);
 MarcReader reader = new MarcStreamReader(in);
 while (reader.hasNext()) {
            Record record = reader.next();

 Leader leader = record.getLeader();

 List<ControlField> controlFields = record.getControlFields();
 List<DataField> dataFields = record.getDataFields();

 System.out.println();
 System.out.println("LEADER: " + leader);
 System.out.println("Control fields: ");
 controlFields.forEach(System.out::println);
 System.out.println("Data fields: ");
 dataFields.forEach(System.out::println);
 System.out.println();
 }
    }
}

...



 Anchor
#json
#json
Transform MARCJson to MARCXML.

Code snippet

 Code Block
languagejava
titleconvert MARCJson to MARCXML and print to console:
InputStream fileInputStream = new FileInputStream(INPUT_JSON_FILE);
MarcReader marcJsonReader = new MarcJsonReader(fileInputStream);
StringWriter writer = new StringWriter();

MarcXmlWriter marcXmlWriter = new MarcXmlWriter(System.out, true);

while (marcJsonReader.hasNext()) {
    Record record = marcJsonReader.next();
    marcXmlWriter.write(record);
}
marcXmlWriter.close();
fileInputStream.close();

 Code Block
languagejs
titleMARCJSON source
collapsetrue
{
  "leader": "01741nam a2200373 cb4500",
  "fields": [
    {
      "001": "101073931X"
 },
    {
      "003": "DE-601"
 },
    {
      "005": "20180416162657.0"
 },
    {
      "008": "180111s2018\\\\\\\\sz\\\\\\\\\\\\\\\\\\\\\\\\000\\0\\eng\\d"
 },
    {
      "020": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "3319643991"
 },
          {
            "9": "3-319-64399-1"
 }
        ]
      }
    },
    {
      "020": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "9783319643991"
 },
          {
            "9": "978-3-319-64399-1"
 }
        ]
      }
    },
    {
      "020": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "9783319644004 (electronic)"
 },
          {
            "9": "978-3-319-64400-4"
 }
        ]
      }
    },
    {
      "035": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "(OCoLC)ocn992783736"
 }
        ]
      }
    },
    {
      "035": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "(OCoLC)992783736"
 }
        ]
      }
    },
    {
      "035": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "(DE-599)GBV101073931X"
 }
        ]
      }
    },
    {
      "040": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "b": "ger"
 },
          {
            "c": "GBVCP"
 },
          {
            "e": "rda"
 }
        ]
      }
    },
    {
      "041": {
        "ind1": "0",
        "ind2": "\\",
        "subfields": [
          {
            "a": "eng"
 }
        ]
      }
    },
    {
      "245": {
        "ind1": "0",
        "ind2": "0",
        "subfields": [
          {
            "a": "Futures, biometrics and neuroscience research"
 },
          {
            "c": "Luiz Moutinho, Mladen Sokele, editors"
 }
        ]
      }
    },
    {
      "264": {
        "ind1": "3",
        "ind2": "1",
        "subfields": [
          {
            "a": "Cham"
 },
          {
            "b": "Palgrave Macmillan"
 },
          {
            "c": "[2018]"
 }
        ]
      }
    },
    {
      "300": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "xxix, 224 Seiten"
 },
          {
            "b": "Illustrationen"
 }
        ]
      }
    },
    {
      "336": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "Text"
 },
          {
            "b": "txt"
 },
          {
            "2": "rdacontent"
 }
        ]
      }
    },
    {
      "337": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "ohne Hilfsmittel zu benutzen"
 },
          {
            "b": "n"
 },
          {
            "2": "rdamedia"
 }
        ]
      }
    },
    {
      "338": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "Band"
 },
          {
            "b": "nc"
 },
          {
            "2": "rdacarrier"
 }
        ]
      }
    },
    {
      "490": {
        "ind1": "0",
        "ind2": "\\",
        "subfields": [
          {
            "a": "Innovative research methodologies in management"
 },
          {
            "v": " \/ Luiz Moutinho, Mladen Sokele ; Volume 2"
 }
        ]
      }
    },
    {
      "500": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "Enthält 9 Beiträge"
 }
        ]
      }
    },
    {
      "650": {
        "ind1": "\\",
        "ind2": "7",
        "subfields": [
          {
            "8": "1.1\\x"
 },
          {
            "a": "Betriebswirtschaftslehre"
 },
          {
            "0": "(DE-601)091351391"
 },
          {
            "0": "(DE-STW)12041-5"
 },
          {
            "2": "stw"
 }
        ]
      }
    },
    {
      "650": {
        "ind1": "\\",
        "ind2": "7",
        "subfields": [
          {
            "8": "1.2\\x"
 },
          {
            "a": "Management"
 },
          {
            "0": "(DE-601)091376173"
 },
          {
            "0": "(DE-STW)12085-6"
 },
          {
            "2": "stw"
 }
        ]
      }
    },
    {
      "650": {
        "ind1": "\\",
        "ind2": "7",
        "subfields": [
          {
            "8": "1.3\\x"
 },
          {
            "a": "Wissenschaftliche Methode"
 },
          {
            "0": "(DE-601)091401445"
 },
          {
            "0": "(DE-STW)16727-0"
 },
          {
            "2": "stw"
 }
        ]
      }
    },
    {
      "700": {
        "ind1": "1",
        "ind2": "\\",
        "subfields": [
          {
            "a": "Moutinho, Luiz"
 },
          {
            "e": "HerausgeberIn"
 },
          {
            "4": "edt"
 },
          {
            "0": "(DE-601)509450954"
 },
          {
            "0": "(DE-588)131450204"
 }
        ]
      }
    },
    {
      "700": {
        "ind1": "1",
        "ind2": "\\",
        "subfields": [
          {
            "a": "Sokele, Mladen"
 },
          {
            "e": "HerausgeberIn"
 },
          {
            "4": "edt"
 }
        ]
      }
    },
    {
      "830": {
        "ind1": "\\",
        "ind2": "0",
        "subfields": [
          {
            "a": "Innovative research methodologies in management"
 },
          {
            "b": " \/ Luiz Moutinho, Mladen Sokele"
 },
          {
            "v": "Volume 2"
 },
          {
            "9": "2.2018"
 },
          {
            "w": "(DE-601)1011380293"
 }
        ]
      }
    },
    {
      "856": {
        "ind1": "4",
        "ind2": "2",
        "subfields": [
          {
            "y": "Inhaltsverzeichnis"
 },
          {
            "u": "http:\/\/www.gbv.de\/dms\/zbw\/101073931X.pdf"
 },
          {
            "m": "V:DE-601;B:DE-206"
 },
          {
            "q": "application\/pdf"
 },
          {
            "3": "Inhaltsverzeichnis"
 }
        ]
      }
    },
    {
      "900": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "a": "GBV"
 },
          {
            "b": "ZBW Kiel <206>"
 },
          {
            "d": "!H:! A18-1775"
 },
          {
            "x": "L"
 },
          {
            "z": "LC"
 },
          {
            "s": "206\/1"
 }
        ]
      }
    },
    {
      "954": {
        "ind1": "\\",
        "ind2": "\\",
        "subfields": [
          {
            "0": "ZBW Kiel <206>"
 },
          {
            "a": "26"
 },
          {
            "b": "1740761685"
 },
          {
            "c": "01"
 },
          {
            "f": "H:"
 },
          {
            "d": "A18-1775"
 },
          {
            "e": "u"
 },
          {
            "x": "206\/1"
 }
        ]
      }
    }
  ]
}

 Code Block
themeConfluence
titleMARCXML result
collapsetrue
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
  <marc:record>
    <marc:leader>01741nam a2200373 cb4500</marc:leader>
    <marc:controlfield tag="001">101073931X</marc:controlfield>
    <marc:controlfield tag="003">DE-601</marc:controlfield>
    <marc:controlfield tag="005">20180416162657.0</marc:controlfield>
    <marc:controlfield tag="008">180111s2018\\\\sz\\\\\\\\\\\\000\0\eng\d</marc:controlfield>
    <marc:datafield ind1="\" ind2="\" tag="020">
      <marc:subfield code="a">3319643991</marc:subfield>
      <marc:subfield code="9">3-319-64399-1</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="020">
      <marc:subfield code="a">9783319643991</marc:subfield>
      <marc:subfield code="9">978-3-319-64399-1</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="020">
      <marc:subfield code="a">9783319644004 (electronic)</marc:subfield>
      <marc:subfield code="9">978-3-319-64400-4</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="035">
      <marc:subfield code="a">(OCoLC)ocn992783736</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="035">
      <marc:subfield code="a">(OCoLC)992783736</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="035">
      <marc:subfield code="a">(DE-599)GBV101073931X</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="040">
      <marc:subfield code="b">ger</marc:subfield>
      <marc:subfield code="c">GBVCP</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="0" ind2="\" tag="041">
      <marc:subfield code="a">eng</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="0" ind2="0" tag="245">
      <marc:subfield code="a">Futures, biometrics and neuroscience research</marc:subfield>
      <marc:subfield code="c">Luiz Moutinho, Mladen Sokele, editors</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="3" ind2="1" tag="264">
      <marc:subfield code="a">Cham</marc:subfield>
      <marc:subfield code="b">Palgrave Macmillan</marc:subfield>
      <marc:subfield code="c">[2018]</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="300">
      <marc:subfield code="a">xxix, 224 Seiten</marc:subfield>
      <marc:subfield code="b">Illustrationen</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="336">
      <marc:subfield code="a">Text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="337">
      <marc:subfield code="a">ohne Hilfsmittel zu benutzen</marc:subfield>
      <marc:subfield code="b">n</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="338">
      <marc:subfield code="a">Band</marc:subfield>
      <marc:subfield code="b">nc</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="0" ind2="\" tag="490">
      <marc:subfield code="a">Innovative research methodologies in management</marc:subfield>
      <marc:subfield code="v"> / Luiz Moutinho, Mladen Sokele ; Volume 2</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="500">
      <marc:subfield code="a">Enthält 9 Beiträge</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="7" tag="650">
      <marc:subfield code="8">1.1\x</marc:subfield>
      <marc:subfield code="a">Betriebswirtschaftslehre</marc:subfield>
      <marc:subfield code="0">(DE-601)091351391</marc:subfield>
      <marc:subfield code="0">(DE-STW)12041-5</marc:subfield>
      <marc:subfield code="2">stw</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="7" tag="650">
      <marc:subfield code="8">1.2\x</marc:subfield>
      <marc:subfield code="a">Management</marc:subfield>
      <marc:subfield code="0">(DE-601)091376173</marc:subfield>
      <marc:subfield code="0">(DE-STW)12085-6</marc:subfield>
      <marc:subfield code="2">stw</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="7" tag="650">
      <marc:subfield code="8">1.3\x</marc:subfield>
      <marc:subfield code="a">Wissenschaftliche Methode</marc:subfield>
      <marc:subfield code="0">(DE-601)091401445</marc:subfield>
      <marc:subfield code="0">(DE-STW)16727-0</marc:subfield>
      <marc:subfield code="2">stw</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="1" ind2="\" tag="700">
      <marc:subfield code="a">Moutinho, Luiz</marc:subfield>
      <marc:subfield code="e">HerausgeberIn</marc:subfield>
      <marc:subfield code="4">edt</marc:subfield>
      <marc:subfield code="0">(DE-601)509450954</marc:subfield>
      <marc:subfield code="0">(DE-588)131450204</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="1" ind2="\" tag="700">
      <marc:subfield code="a">Sokele, Mladen</marc:subfield>
      <marc:subfield code="e">HerausgeberIn</marc:subfield>
      <marc:subfield code="4">edt</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="0" tag="830">
      <marc:subfield code="a">Innovative research methodologies in management</marc:subfield>
      <marc:subfield code="b"> / Luiz Moutinho, Mladen Sokele</marc:subfield>
      <marc:subfield code="v">Volume 2</marc:subfield>
      <marc:subfield code="9">2.2018</marc:subfield>
      <marc:subfield code="w">(DE-601)1011380293</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="4" ind2="2" tag="856">
      <marc:subfield code="y">Inhaltsverzeichnis</marc:subfield>
      <marc:subfield code="u">http://www.gbv.de/dms/zbw/101073931X.pdf</marc:subfield>
      <marc:subfield code="m">V:DE-601;B:DE-206</marc:subfield>
      <marc:subfield code="q">application/pdf</marc:subfield>
      <marc:subfield code="3">Inhaltsverzeichnis</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="900">
      <marc:subfield code="a">GBV</marc:subfield>
      <marc:subfield code="b">ZBW Kiel &lt;206&gt;</marc:subfield>
      <marc:subfield code="d">!H:! A18-1775</marc:subfield>
      <marc:subfield code="x">L</marc:subfield>
      <marc:subfield code="z">LC</marc:subfield>
      <marc:subfield code="s">206/1</marc:subfield>
    </marc:datafield>
    <marc:datafield ind1="\" ind2="\" tag="954">
      <marc:subfield code="0">ZBW Kiel &lt;206&gt;</marc:subfield>
      <marc:subfield code="a">26</marc:subfield>
      <marc:subfield code="b">1740761685</marc:subfield>
      <marc:subfield code="c">01</marc:subfield>
      <marc:subfield code="f">H:</marc:subfield>
      <marc:subfield code="d">A18-1775</marc:subfield>
      <marc:subfield code="e">u</marc:subfield>
      <marc:subfield code="x">206/1</marc:subfield>
    </marc:datafield>
  </marc:record>
</marc:collection>

...

 Code Block
languagejava
titleFrom Json to Dublin Core data
String stylesheetUrl = "https://www.loc.gov/standards/marcxml/xslt/MARC21slim2OAIDC.xsl";
Source stylesheet = new StreamSource(stylesheetUrl);
Result result = new StreamResult(System.out);
InputStream input = new FileInputStream(INPUT_JSON_FILE);
MarcReader reader = new MarcJsonReader(input);

MarcXmlWriter writer = new MarcXmlWriter(result, stylesheet);
writer.setConverter(new AnselToUnicode());

while (reader.hasNext()) {
    Record record = (Record) reader.next();
    writer.write(record);
}
writer.close();

 Code Block
titleDublin Core xml result
collapsetrue
<?xml version="1.0" encoding="UTF-8"?>
<oai_dc:dcCollection xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/">
	<oai_dc:dc>
		<dc:title>Futures, biometrics and neuroscience research</dc:title>
		<dc:creator>Moutinho, LuizHerausgeberInedt(DE-601)509450954(DE-588)131450204</dc:creator>
		<dc:creator>Sokele, MladenHerausgeberInedt</dc:creator>
		<dc:type>text</dc:type>
		<dc:language>eng</dc:language>
		<dc:format>application/pdf</dc:format>
		<dc:description>Enthl̃t 9 Beitrg̃e</dc:description>
		<dc:subject>Betriebswirtschaftslehre</dc:subject>
		<dc:subject>Management</dc:subject>
		<dc:subject>Wissenschaftliche Methode</dc:subject>
		<dc:identifier>http://www.gbv.de/dms/zbw/101073931X.pdf</dc:identifier>
		<dc:identifier>URN:ISBN:3319643991</dc:identifier>
		<dc:identifier>URN:ISBN:9783319643991</dc:identifier>
		<dc:identifier>URN:ISBN:9783319644004 (electronic)</dc:identifier>
	</oai_dc:dc>
</oai_dc:dcCollection>

Testing Marc4j writer
  1. Reading a Marc Json and printing in MARC format. Observation was that if encoding was not used, the MARC generated was invalid
 Code Block
import java.io.FileInputStream;
import java.io.InputStream;
import org.marc4j.*;
import org.marc4j.marc.Record;

public class TestMarc4jWriter {

  public static void main(String args[]) throws Exception {
		# The json file used here is referenced above
    InputStream input = new FileInputStream("MarcFileinjsonFormat");
    MarcReader reader = new MarcJsonReader(input);
    MarcWriter writer = new MarcStreamWriter(System.out, "UTF8");


    while (reader.hasNext()) {
        Record record = reader.next();
        writer.write(record);
    }

    writer.close();
}
}

OUTPUT
 No Format
01741nam a2200373 cb4500001001100000003000700011005001700018008004100035020003000076020003700106020005000143035002400193035002100217035002600238040002000264041000800284245008900292264003700381300003700418336002600455337004600481338002500527490009600552500002500648650007700673650006300750650007800813700007700891700003900968830012301007856012101130900005301251954006301304101073931XDE-60120180416162657.0180111s2018\\\\sz\\\\\\\\\\\\000\0\eng\d\\a331964399193-319-64399-1\\a97833196439919978-3-319-64399-1\\a9783319644004 (electronic)9978-3-319-64400-4\\a(OCoLC)ocn992783736\\a(OCoLC)992783736\\a(DE-599)GBV101073931X\\bgercGBVCPerda0\aeng00aFutures, biometrics and neuroscience researchcLuiz Moutinho, Mladen Sokele, editors31aChambPalgrave Macmillanc[2018]\\axxix, 224 SeitenbIllustrationen\\aTextbtxt2rdacontent\\aohne Hilfsmittel zu benutzenbn2rdamedia\\aBandbnc2rdacarrier0\aInnovative research methodologies in managementv / Luiz Moutinho, Mladen Sokele ; Volume 2\\aEnthält 9 Beiträge\781.1\xaBetriebswirtschaftslehre0(DE-601)0913513910(DE-STW)12041-52stw\781.2\xaManagement0(DE-601)0913761730(DE-STW)12085-62stw\781.3\xaWissenschaftliche Methode0(DE-601)0914014450(DE-STW)16727-02stw1\aMoutinho, LuizeHerausgeberIn4edt0(DE-601)5094509540(DE-588)1314502041\aSokele, MladeneHerausgeberIn4edt\0aInnovative research methodologies in managementb / Luiz Moutinho, Mladen SokelevVolume 292.2018w(DE-601)101138029342yInhaltsverzeichnisuhttp://www.gbv.de/dms/zbw/101073931X.pdfmV:DE-601;B:DE-206qapplication/pdf3Inhaltsverzeichnis\\aGBVbZBW Kiel <206>d!H:! A18-1775xLzLCs206/1\\0ZBW Kiel <206>a26b1740761685c01fH:dA18-1775eux206/1

2. Defining fields using Record 
 Code Block
import org.marc4j.MarcStreamWriter;
import org.marc4j.MarcWriter;
import org.marc4j.marc.MarcFactory;
import org.marc4j.marc.Record;

public class TestMarc4jWriter2 {

  public static void main(String args[]){
    MarcWriter writer = new MarcStreamWriter(System.out, "UTF8");
    MarcFactory factory = MarcFactory.newInstance();

    Record record = factory.newRecord("00714cam a2200205 a 4500");
    record.addVariableField(factory.newControlField("001", "12883376"));
    record.addVariableField(factory.newControlField("005", "20030616111422.0"));
    record.addVariableField(factory.newControlField("008", "020805s2002    nyu    j      000 1 eng  "));
    record.addVariableField(factory.newDataField("020", ' ', ' ', "a", "0786808772"));
    record.addVariableField(factory.newDataField("020", ' ', ' ', "a", "0786816155 (pbk.)"));
    record.addVariableField(factory.newDataField("040", ' ', ' ', "a", "DLC", "c", "DLC", "d", "DLC"));
    record.addVariableField(factory.newDataField("100", '1', ' ', "a", "Chabon, Michael."));
    record.addVariableField(factory.newDataField("245", '1', '0', "a", "Summerland /", "c", "Michael Chabon."));
    record.addVariableField(factory.newDataField("250", ' ', ' ', "a", "1st ed."));
    record.addVariableField(factory.newDataField("260", ' ', ' ', "a", "New York :", "b", "Miramax Books/Hyperion Books for Children,", "c", "c2002."));
    record.addVariableField(factory.newDataField("300", ' ', ' ', "a", "500 p. ;", "c", "22 cm."));
    record.addVariableField(factory.newDataField("520", ' ', ' ', "a", "Ethan Feld, the worst baseball player in the history of the game, finds himself recruited by a 100-year-old scout to help a band of fairies triumph over an ancient enemy."));
    record.addVariableField(factory.newDataField("650", ' ', '1', "a", "Fantasy."));
    record.addVariableField(factory.newDataField("650", ' ', '1', "a", "Baseball", "v", "Fiction."));
    record.addVariableField(factory.newDataField("650", ' ', '1', "a", "Magic", "v", "Fiction."));

    writer.write(record);
    writer.close();
  }
}



 Code Block
00714cam a2200205 a 45000010009000000050017000090080041000260200015000670200022000820400018001041000021001222450034001432500012001772600067001893000021002565200175002776500013004526500023004656500020004881288337620030616111422.0020805s2002    nyu    j      000 1 eng    a0786808772  a0786816155 (pbk.)  aDLCcDLCdDLC1 aChabon, Michael.10aSummerland /cMichael Chabon.  a1st ed.  aNew York :bMiramax Books/Hyperion Books for Children,cc2002.  a500 p. ;c22 cm.  aEthan Feld, the worst baseball player in the history of the game, finds himself recruited by a 100-year-old scout to help a band of fairies triumph over an ancient enemy. 1aFantasy. 1aBaseballvFiction. 1aMagicvFiction.


Validating a MARC file locally
An opensource tool MARCEDIT can be used for validating MARC files, and also for conversion
Reference: https://marcedit.reeset.net/


REFERENCES:
https://github.com/marc4j/marc4j
Formateed Tutorial: http://projects.freelibrary.info/freelib-marc4j/tutorial.html