Example usage for org.apache.commons.csv CSVFormat getCommentMarker

Introduction

In this page you can find the example usage for org.apache.commons.csv CSVFormat getCommentMarker.

Prototype

public Character getCommentMarker() 

Source Link

Document

Returns the character marking the start of a line comment.

Usage

From source file:org.apache.logging.log4j.core.layout.CsvLogEventLayout.java

@Override
public String toSerializable(final LogEvent event) {
    final StringBuilder buffer = getStringBuilder();
    final CSVFormat format = getFormat();
    try {//  www  .  ja  va  2s  . co m
        format.print(event.getNanoTime(), buffer, true);
        format.print(event.getTimeMillis(), buffer, false);
        format.print(event.getLevel(), buffer, false);
        format.print(event.getThreadId(), buffer, false);
        format.print(event.getThreadName(), buffer, false);
        format.print(event.getThreadPriority(), buffer, false);
        format.print(event.getMessage().getFormattedMessage(), buffer, false);
        format.print(event.getLoggerFqcn(), buffer, false);
        format.print(event.getLoggerName(), buffer, false);
        format.print(event.getMarker(), buffer, false);
        format.print(event.getThrownProxy(), buffer, false);
        format.print(event.getSource(), buffer, false);
        format.print(event.getContextData(), buffer, false);
        format.print(event.getContextStack(), buffer, false);
        format.println(buffer);
        return buffer.toString();
    } catch (final IOException e) {
        StatusLogger.getLogger().error(event.toString(), e);
        return format.getCommentMarker() + " " + e;
    }
}

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From source file:org.apache.nifi.csv.JacksonCSVRecordReader.java

public JacksonCSVRecordReader(final InputStream in, final ComponentLog logger, final RecordSchema schema,
        final CSVFormat csvFormat, final boolean hasHeader, final boolean ignoreHeader, final String dateFormat,
        final String timeFormat, final String timestampFormat, final String encoding) throws IOException {
    super(logger, schema, hasHeader, ignoreHeader, dateFormat, timeFormat, timestampFormat);

    final Reader reader = new InputStreamReader(new BOMInputStream(in));

    CsvSchema.Builder csvSchemaBuilder = CsvSchema.builder().setColumnSeparator(csvFormat.getDelimiter())
            .setLineSeparator(csvFormat.getRecordSeparator())
            // Can only use comments in Jackson CSV if the correct marker is set
            .setAllowComments("#".equals(CharUtils.toString(csvFormat.getCommentMarker())))
            // The call to setUseHeader(false) in all code paths is due to the way Jackson does data binding/mapping. Missing or extra columns may not
            // be handled correctly when using the header for mapping.
            .setUseHeader(false);/*  w  w  w . j a v  a  2s.  c o  m*/

    csvSchemaBuilder = (csvFormat.getQuoteCharacter() == null) ? csvSchemaBuilder
            : csvSchemaBuilder.setQuoteChar(csvFormat.getQuoteCharacter());
    csvSchemaBuilder = (csvFormat.getEscapeCharacter() == null) ? csvSchemaBuilder
            : csvSchemaBuilder.setEscapeChar(csvFormat.getEscapeCharacter());

    if (hasHeader) {
        if (ignoreHeader) {
            csvSchemaBuilder = csvSchemaBuilder.setSkipFirstDataRow(true);
        }
    }

    CsvSchema csvSchema = csvSchemaBuilder.build();

    // Add remaining config options to the mapper
    List<CsvParser.Feature> features = new ArrayList<>();
    features.add(CsvParser.Feature.INSERT_NULLS_FOR_MISSING_COLUMNS);
    if (csvFormat.getIgnoreEmptyLines()) {
        features.add(CsvParser.Feature.SKIP_EMPTY_LINES);
    }
    if (csvFormat.getTrim()) {
        features.add(CsvParser.Feature.TRIM_SPACES);
    }

    ObjectReader objReader = mapper.readerFor(String[].class).with(csvSchema)
            .withFeatures(features.toArray(new CsvParser.Feature[features.size()]));

    recordStream = objReader.readValues(reader);
}

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