Examples with CsvMapper com.fasterxml.jackson.dataformat.csv.CsvMapper used on opensource projects

Example 1 with CsvMapper

use of com.fasterxml.jackson.dataformat.csv.CsvMapper in project SONG by overture-stack.

the class PcawgSampleSheetConfig method pcawgSampleSheetReader.

public static ObjectReader pcawgSampleSheetReader(boolean hasHeader, char separator) {
    val csvMapper = new CsvMapper();
    val csvSchema = CsvSchema.emptySchema().withHeader().withColumnSeparator(separator);
    return csvMapper.readerFor(PcawgSampleBean.class).with(csvSchema);
}

Example 2 with CsvMapper

use of com.fasterxml.jackson.dataformat.csv.CsvMapper in project flink by apache.

the class CsvBulkWriter method forPojo.

/**
 * Builds a writer based on a POJO class definition.
 *
 * @param pojoClass The class of the POJO.
 * @param stream The output stream.
 * @param <T> The type of the elements accepted by this writer.
 */
static <T> CsvBulkWriter<T, T, Void> forPojo(Class<T> pojoClass, FSDataOutputStream stream) {
    final Converter<T, T, Void> converter = (value, context) -> value;
    final CsvMapper csvMapper = new CsvMapper();
    final CsvSchema schema = csvMapper.schemaFor(pojoClass).withoutQuoteChar();
    return new CsvBulkWriter<>(csvMapper, schema, converter, null, stream);
}

Example 3 with CsvMapper

use of com.fasterxml.jackson.dataformat.csv.CsvMapper in project flink by apache.

the class CsvFileFormatFactory method createEncodingFormat.

@Override
public EncodingFormat<Factory<RowData>> createEncodingFormat(DynamicTableFactory.Context context, ReadableConfig formatOptions) {
    return new EncodingFormat<BulkWriter.Factory<RowData>>() {

        @Override
        public BulkWriter.Factory<RowData> createRuntimeEncoder(DynamicTableSink.Context context, DataType physicalDataType) {
            final RowType rowType = (RowType) physicalDataType.getLogicalType();
            final CsvSchema schema = buildCsvSchema(rowType, formatOptions);
            final RowDataToCsvConverter converter = RowDataToCsvConverters.createRowConverter(rowType);
            final CsvMapper mapper = new CsvMapper();
            final ObjectNode container = mapper.createObjectNode();
            final RowDataToCsvConverter.RowDataToCsvFormatConverterContext converterContext = new RowDataToCsvConverter.RowDataToCsvFormatConverterContext(mapper, container);
            return out -> CsvBulkWriter.forSchema(mapper, schema, converter, converterContext, out);
        }

        @Override
        public ChangelogMode getChangelogMode() {
            return ChangelogMode.insertOnly();
        }
    };
}

Example 4 with CsvMapper

use of com.fasterxml.jackson.dataformat.csv.CsvMapper in project goci by EBISPOT.

the class FileHandler method getStudyPatchRequests.

public static List<StudyPatchRequest> getStudyPatchRequests(FileUploadRequest fileUploadRequest) {
    CsvMapper mapper = new CsvMapper();
    CsvSchema schema = getSchemaFromMultiPartFile(fileUploadRequest.getMultipartFile());
    List<StudyPatchRequest> studyPatchRequests;
    try {
        InputStream inputStream = fileUploadRequest.getMultipartFile().getInputStream();
        MappingIterator<StudyPatchRequest> iterator = mapper.readerFor(StudyPatchRequest.class).with(schema).readValues(inputStream);
        studyPatchRequests = iterator.readAll();
    } catch (IOException e) {
        throw new FileUploadException("Could not read the file");
    }
    return studyPatchRequests;
}

Example 5 with CsvMapper

use of com.fasterxml.jackson.dataformat.csv.CsvMapper in project goci by EBISPOT.

the class FileHandler method serializePojoToTsv.

public static String serializePojoToTsv(List<?> pojoList) {
    CsvMapper csvMapper = new CsvMapper();
    List<Map<String, Object>> dataList = csvMapper.convertValue(pojoList, new TypeReference<Object>() {
    });
    List<List<String>> csvData = new ArrayList<>();
    List<String> csvHead = new ArrayList<>();
    AtomicInteger counter = new AtomicInteger();
    dataList.forEach(row -> {
        List<String> rowData = new ArrayList<>();
        row.forEach((key, value) -> {
            rowData.add(String.valueOf(value));
            if (counter.get() == 0) {
                csvHead.add(key);
            }
        });
        csvData.add(rowData);
        counter.getAndIncrement();
    });
    CsvSchema.Builder builder = CsvSchema.builder();
    csvHead.forEach(builder::addColumn);
    CsvSchema schema = builder.build().withHeader().withLineSeparator("\n").withColumnSeparator('\t');
    String result = "";
    try {
        result = csvMapper.writer(schema).writeValueAsString(csvData);
    } catch (IOException e) {
        throw new FileUploadException("Could not read the file");
    }
    return result;
}