Examples of org.marc4j.MarcStreamWriter

org.marc4j.MarcStreamWriter

Class for writing MARC record objects in ISO 2709 format.

The following example reads a file with MARCXML records and outputs the record set in ISO 2709 format:

 InputStream input = new FileInputStream("marcxml.xml"); MarcXmlReader reader = new MarcXmlReader(input); MarcWriter writer = new MarcStreamWriter(System.out); while (reader.hasNext()) { Record record = reader.next(); writer.write(record); } writer.close();

To convert characters like for example from UCS/Unicode to MARC-8 register a {@link org.marc4j.converter.CharConverter} implementation:

 InputStream input = new FileInputStream("marcxml.xml"); MarcXmlReader reader = new MarcXmlReader(input); MarcWriter writer = new MarcStreamWriter(System.out); writer.setConverter(new UnicodeToAnsel()); while (reader.hasNext()) { Record record = reader.next(); writer.write(record); } writer.close();

@author Bas Peters @version $Revision: 1.7 $

      pos.close();
      log.debug("attempt to read marcxml from pipe");
      if (reader.hasNext()) {
        Record record = reader.next();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        MarcWriter writer = new MarcStreamWriter(baos);
        writer.write(record);
        result = baos.toByteArray();
        log.debug("Result of transform to marc: "+new String(result));
      }
      else {
        log.warn("No marc record found in reader stream");

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                e.printStackTrace();
            }
        else
            out = System.out;


        MarcStreamWriter writer = null;
        if (encoding != null)
            writer = new MarcStreamWriter(out, encoding);
        else
            writer = new MarcStreamWriter(out);


        if (convert != null) {
            CharConverter charconv = null;
            if (Constants.MARC_8_ENCODING.equals(convert))
                charconv = new UnicodeToAnsel();
            else if (Constants.ISO5426_ENCODING.equals(convert))
                charconv = new UnicodeToIso5426();
            else if (Constants.ISO6937_ENCODING.equals(convert))
                charconv = new UnicodeToIso6937();
            else {
                System.err.println("Unknown character set");
                System.exit(1);
            }
            writer.setConverter(charconv);
        }


        while (reader.hasNext()) {
            Record record = reader.next();
            if (Constants.MARC_8_ENCODING.equals(convert))
                record.getLeader().setCharCodingScheme(' ');
            writer.write(record);
        }
        writer.close();


        System.err.println("Total time: "
                + (System.currentTimeMillis() - start) + " miliseconds");
    }

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        InputStream input = getClass().getResourceAsStream(
                "resources/summerland.mrc");


        MarcStreamReader reader = new MarcStreamReader(input);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        MarcStreamWriter writer = new MarcStreamWriter(out);
        while (reader.hasNext()) {
            Record record = reader.next();
            writer.write(record);
            counter++;
        }
        input.close();
        writer.close();


        assertEquals(1, counter);


        counter = 0;

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        int counter = 0;


        MarcStreamReader reader = new MarcStreamReader(input);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        MarcStreamWriter writer = new MarcStreamWriter(out, "UTF8");
        writer.setConverter(new AnselToUnicode());
        while (reader.hasNext()) {
            Record record = reader.next();
            writer.write(record);
            counter++;
        }
        input.close();
        writer.close();


        assertEquals(8, counter);


        counter = 0;

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        if (args.length > 1)
        {
            try
            {
                patchedRecStream = new FileOutputStream(new File(args[1]));
                patchedRecs = new MarcStreamWriter(patchedRecStream);
            }
            catch (FileNotFoundException e)
            {
                // TODO Auto-generated catch block
                e.printStackTrace();

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        InputStream input = ReadMarcExample.class
                .getResourceAsStream("resources/summerland.mrc");


        MarcReader reader = new MarcStreamReader(input);
        MarcWriter writer = new MarcStreamWriter(System.out);
        while (reader.hasNext()) {
            Record record = reader.next();
            writer.write(record);
        }
        writer.close();
    }

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public class WriterTest extends TestCase {


    public void testMarcStreamWriter() throws Exception {
        InputStream input = getClass().getResourceAsStream(
                "resources/summerland.xml");
        MarcStreamWriter writer = new MarcStreamWriter(System.out);
        MarcXmlReader reader = new MarcXmlReader(input);
        while (reader.hasNext()) {
            Record record = reader.next();
            writer.write(record);
        }
        input.close();
        writer.close();
    }

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    public void testWriteAndRead() throws Exception {
        InputStream input = getClass().getResourceAsStream(
                "resources/summerland.xml");
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        MarcStreamWriter writer = new MarcStreamWriter(out);
        MarcXmlReader reader = new MarcXmlReader(input);
        while (reader.hasNext()) {
            Record record = reader.next();
            writer.write(record);
        }
        input.close();
        writer.close();


        ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
        MarcStreamReader marcReader = new MarcStreamReader(in);
        MarcStreamWriter marcWriter = new MarcStreamWriter(System.out);
        while (marcReader.hasNext()) {
            Record record = marcReader.next();
            marcWriter.write(record);
        }
        in.close();
        marcWriter.close();


        out.close();
    }

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        InputStream input = ReadMarcExample.class
                .getResourceAsStream("resources/brkrtest.mrc");


        MarcReader reader = new MarcStreamReader(input);
        MarcWriter writer = new MarcStreamWriter(System.out, "UTF8");


        AnselToUnicode converter = new AnselToUnicode();
        writer.setConverter(converter);


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

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Related Classes of org.marc4j.MarcStreamWriter

org.jzkit.search.util.RecordBuilder.iso2709RecordFactory

org.marc4j.marc.ControlField

org.marc4j.marc.DataField

org.marc4j.marc.Leader

org.marc4j.marc.Subfield

org.marc4j.samples.Marc8ToUnicodeExample

org.marc4j.samples.PermissiveReaderExample

org.marc4j.samples.WriteMarcExample

org.marc4j.test.RoundtripTest

org.marc4j.test.WriterTest

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