Example usage for com.fasterxml.jackson.dataformat.csv CsvMapper configure

Introduction

In this page you can find the example usage for com.fasterxml.jackson.dataformat.csv CsvMapper configure.

Prototype

public CsvMapper configure(CsvParser.Feature f, boolean state) 

Source Link

Usage

From source file:hrytsenko.gscripts.io.CsvFiles.java

/**
 * Save records into file./*from   w w  w  .j  a  v a2 s . c  o m*/
 * 
 * <p>
 * If file already exists, then it will be overridden.
 * 
 * @param records
 *            the list of records to save.
 * @param args
 *            the named arguments.
 * 
 * @throws IOException
 *             if file could not be saved.
 */
public static void saveCsv(List<Map<String, ?>> records, Map<String, ?> args) {
    if (records.isEmpty()) {
        LOGGER.info("No records to save.");
        return;
    }

    Path path = NamedArgs.findPath(args);
    LOGGER.info("Save {}.", path.getFileName());

    CsvSchema.Builder csvSchema = schemaFrom(args).setUseHeader(true);
    Records.columns(records).forEach(csvSchema::addColumn);

    try (Writer writer = Files.newBufferedWriter(path, charsetFrom(args))) {
        CsvMapper csvMapper = new CsvMapper();
        csvMapper.configure(CsvGenerator.Feature.ALWAYS_QUOTE_STRINGS, true);

        csvMapper.writer().with(csvSchema.build()).writeValue(writer, Records.normalize(records));
    } catch (IOException exception) {
        throw new AppException(String.format("Could not save file %s.", path.getFileName()), exception);
    }
}

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From source file:ro.fortsoft.dada.csv.CsvGenericDao.java

public long readFromCsv() {
    File file = new File(csvFile);
    if (!file.exists() || !file.isFile()) {
        return 0;
    }/*from w ww. j  a  v  a  2  s .  c o  m*/

    Class<T> persistentClass = getPersistentClass();

    // create mapper and schema
    CsvMapper mapper = new CsvMapper();
    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    CsvSchema schema = mapper.schemaFor(persistentClass).withHeader();

    this.entities = new ArrayList<>();

    // read entities
    long count = 0;
    try {
        MappingIterator<T> it = mapper.reader(persistentClass).with(schema).readValues(file);
        while (it.hasNextValue()) {
            entities.add(it.nextValue());
            count++;
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    return count;
}

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