Example usage for org.apache.commons.csv CSVPrinter printRecord

Introduction

In this page you can find the example usage for org.apache.commons.csv CSVPrinter printRecord.

Prototype

public void printRecord(final Object... values) throws IOException 

Source Link

Document

Prints the given values a single record of delimiter separated values followed by the record separator.

Usage

From source file:com.ibm.watson.developer_cloud.professor_languo.ingestion.indexing.StackExchangeThreadSerializer.java

/**
 * Extract the major fields from the duplicate StackExchangeQuestion And save those key fields in
 * the txt File.// w  ww.  ja  va 2s.  co m
 * 
 * @param dupThread - the duplicate StackExchange Thread to be serialized to the txt file
 * @param originThreadId - post id of the StackExchange Thread representing the other duplicate
 *        threads
 * @param serFileName - path(relative to the csvDir folder) of the binary serialization file
 * @throws IngestionException
 */
public static void serializeDupThreadToTsvFile(CSVPrinter csvPrinter, StackExchangeThread dupThread,
        int originThreadId, String serFileName) throws IngestionException {
    // CSVPrinter csvPrinter = getCsvPrinter(tsvDir);
    List<String> record = new ArrayList<String>(Arrays.asList(Integer.toString(dupThread.getId()),
            dupThread.getQuestion().getTitle(), dupThread.getQuestion().getBody(),
            Integer.toString(originThreadId), serFileName, dupThread.getConcatenatedTagsText()));
    try {
        csvPrinter.printRecord(record);
    } catch (IOException e) {
        throw new IngestionException(e);
    }
}

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From source file:com.ibm.watson.developer_cloud.natural_language_classifier.v1.util.TrainingDataUtils.java

/**
 * Converts a training like argument list to a CSV representation.
 * //  w  w  w . j  a  v  a 2 s  .  c  o  m
 * @param data
 *            the training data data
 * @return the string with the CSV representation for the training data
 */
public static String toCSV(final TrainingData... data) {
    Validate.notEmpty(data, "data cannot be null or empty");

    StringWriter stringWriter = new StringWriter();
    try {
        CSVPrinter printer = new CSVPrinter(stringWriter, CSVFormat.EXCEL);
        for (TrainingData trainingData : data) {
            if (trainingData.getText() == null || trainingData.getClasses() == null
                    || trainingData.getClasses().isEmpty())
                log.log(Level.WARNING, trainingData + " couldn't be converted to a csv record");
            else {
                List<String> record = new ArrayList<String>();
                record.add(trainingData.getText());
                record.addAll(trainingData.getClasses());
                printer.printRecord(record.toArray());
            }
        }
        printer.close();
    } catch (IOException e) {
        log.log(Level.SEVERE, "Error creating the csv", e);
    }

    return stringWriter.toString();
}

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From source file:javalibs.CSVExtractor.java

/**
 * Write a single CSV record to a CSV file
 * @param path The path to save the CSV file
 * @param rec The record to be written/*from   w  w w .  ja  v  a2 s.c  om*/
 * @param headers Headers for the CSV. If this value is null there will be no
 *                headers added to the CSV
 */
public static void writeCSVRecord(String path, CSVRecord rec, String[] headers) {
    BufferedWriter bw = null;
    CSVPrinter printer = null;
    try {
        bw = Files.newBufferedWriter(Paths.get(path));
        if (headers != null)
            printer = new CSVPrinter(bw, CSVFormat.DEFAULT.withHeader(headers));
        else
            printer = new CSVPrinter(bw, CSVFormat.DEFAULT);
    } catch (IOException e) {
        TSL.get().exception(e);
    }

    TSL.get().require(bw != null, "BufferedWriter cannot be null");
    TSL.get().require(printer != null, "CSVPrinter cannot be null");

    try {
        printer.printRecord(rec);
        printer.flush();
    } catch (IOException e) {
        TSL.get().exception(e);
    }
}

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From source file:cz.lbenda.dataman.db.ExportTableData.java

/** Write rows to CSV file
 * @param sqlQueryRows rows/*from w  w w  . java2s.c  om*/
 * @param writer where are data */
public static void writeSqlQueryRowsToCSV(SQLQueryRows sqlQueryRows, Writer writer) throws IOException {
    CSVFormat csvFileFormat = CSVFormat.DEFAULT.withRecordSeparator(Constants.CSV_NEW_LINE_SEPARATOR);
    CSVPrinter csvFilePrinter = new CSVPrinter(writer, csvFileFormat);
    csvFilePrinter
            .printRecord(sqlQueryRows.getMetaData().getColumns().stream().map(ColumnDesc::getName).toArray());
    for (RowDesc row : sqlQueryRows.getRows()) {
        csvFilePrinter.printRecord(
                sqlQueryRows.getMetaData().getColumns().stream().map(row::getColumnValueStr).toArray());
    }
}

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From source file:de.tudarmstadt.ukp.experiments.argumentation.sequence.evaluation.GenerateCrossDomainCVReport.java

/**
 * Merges id2outcome files from sub-folders with cross-domain and creates a new folder
 * with overall results//from w  w  w . j  a  v a2  s  .  c o  m
 *
 * @param folder folder
 * @throws java.io.IOException
 */
public static void aggregateDomainResults(File folder, String subDirPrefix, final String taskFolderSubText,
        String outputFolderName) throws IOException {
    // list all sub-folders
    File[] folders = folder.listFiles(new FileFilter() {
        @Override
        public boolean accept(File pathname) {
            return pathname.isDirectory() && pathname.getName().contains(taskFolderSubText);
        }
    });

    if (folders.length == 0) {
        throw new IllegalArgumentException("No sub-folders 'SVMHMMTestTask*' found in " + folder);
    }

    // write to a file
    File outFolder = new File(folder, outputFolderName);
    File output = new File(outFolder, subDirPrefix);
    output.mkdirs();

    File outCsv = new File(output, TOKEN_LEVEL_PREDICTIONS_CSV);

    CSVPrinter csvPrinter = new CSVPrinter(new FileWriter(outCsv), SVMHMMUtils.CSV_FORMAT);
    csvPrinter.printComment(SVMHMMUtils.CSV_COMMENT);

    ConfusionMatrix cm = new ConfusionMatrix();

    for (File domain : folders) {
        File tokenLevelPredictionsCsv = new File(domain, subDirPrefix + "/" + TOKEN_LEVEL_PREDICTIONS_CSV);

        if (!tokenLevelPredictionsCsv.exists()) {
            throw new IllegalArgumentException(
                    "Cannot locate tokenLevelPredictions.csv: " + tokenLevelPredictionsCsv);
        }

        CSVParser csvParser = new CSVParser(new FileReader(tokenLevelPredictionsCsv),
                CSVFormat.DEFAULT.withCommentMarker('#'));

        for (CSVRecord csvRecord : csvParser) {
            // copy record
            csvPrinter.printRecord(csvRecord);

            // update confusion matrix
            cm.increaseValue(csvRecord.get(0), csvRecord.get(1));
        }
    }

    // write to file
    FileUtils.writeStringToFile(new File(outFolder, "confusionMatrix.txt"), cm.toString() + "\n"
            + cm.printNiceResults() + "\n" + cm.printLabelPrecRecFm() + "\n" + cm.printClassDistributionGold());

    // write csv
    IOUtils.closeQuietly(csvPrinter);
}

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From source file:com.chargebee.Application.MappingHeaders.java

private void print(Collection list, CSVPrinter printer) throws IOException {
    printer.printRecord(list);
}

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From source file:com.ibm.watson.app.common.tagEvent.TagRecord.java

public String asCsv() {
    prepareForFormat();//  ww  w .  ja  va  2s  .  co m
    StringBuilder sb = new StringBuilder();
    try {
        CSVPrinter printer = new CSVPrinter(sb, CSVFormat.DEFAULT);
        printer.printRecord(this);
        printer.close();
    } catch (IOException e) {

    }
    return sb.toString();

}

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From source file:com.leadscope.commanda.maps.CSVLineMap.java

@Override
public String apply(List<String> element) {
    StringWriter sw = new StringWriter();
    try {/*ww w . ja  v  a2 s. c  om*/
        CSVPrinter printer = new CSVPrinter(sw, noBreakFormat);
        printer.printRecord(element);
        printer.close();
        return sw.toString();
    } catch (RuntimeException re) {
        throw re;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:io.github.hebra.elasticsearch.beat.meterbeat.service.CSVFileOutputService.java

@Override
public synchronized void send(BeatOutput output) {
    if (isEnable()) {

        try (PrintWriter writer = new PrintWriter(new FileOutputStream(outputPath.toFile(), true))) {
            CSVFormat csvFileFormat = CSVFormat.DEFAULT.withHeader().withDelimiter(delimiter).withQuote(quote)
                    .withQuoteMode(QuoteMode.NON_NUMERIC).withSkipHeaderRecord(true);

            CSVPrinter csvFilePrinter = new CSVPrinter(writer, csvFileFormat);
            csvFilePrinter.printRecord(output.asIterable());
            csvFilePrinter.close();/*from  w  ww . j  av a 2s .  c  o m*/
        } catch (IOException ioEx) {
            log.error(ioEx.getMessage());
        }
    }
}

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From source file:com.hys.enterprise.dominoes.reporting.ReportBuilder.java

/**
 * Writes record to csv file//  w w  w.ja v  a  2s. c om
 * @param record
 * @throws IOException
 */
public void writeRecord(ReportRecord record) throws IOException {
    fileWriter = new FileWriter(file, true);
    CSVPrinter csvFilePrinter;
    csvFilePrinter = new CSVPrinter(fileWriter, csvFileFormat);
    if (!file.exists() || file.length() == 0) {
        csvFilePrinter.printRecord(record.getHeader());
    }
    csvFilePrinter.printRecord(record.getData());

    if (fileWriter != null) {
        fileWriter.flush();
        fileWriter.close();
    }
    csvFilePrinter.close();
}

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