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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:

...

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();
 }
    }
}

MARCK4J can transform MARCJson to MARCXML.

...

Code Block

language	java
title	convert 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

language	js
title	MARCJSON source
collapse	true

{
  "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

theme	Confluence
title	MARCXML result
collapse	true

<?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>

If you need other xml format output, ou can post-process the result using a Source object pointing to a stylesheet resource and a Result object to hold the transformation result tree.The example below converts MARCJson to MARC XML and transforms the result tree to Dublin Core using the stylesheet provided by The Library of Congress:

Code Block

language	java
title	From 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

title	Dublin Core xml result
collapse	true

<?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>

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