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

Introduction

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

Prototype

public CSVFormat withCommentMarker(final Character commentMarker) 

Source Link

Document

Sets the comment start marker of the format to the specified character.

Usage

From source file:org.apache.batchee.csv.CSVFormatFactory.java

static CSVFormat newFormat(final String format, final String delimiter, final String quoteCharacter,
        final String quoteMode, final String commentMarker, final String escapeCharacter,
        final String ignoreSurroundingSpaces, final String ignoreEmptyLines, final String recordSeparator,
        final String nullString, final String headerComments, final String header,
        final String skipHeaderRecord, final String allowMissingColumnNames, final String readHeaders) {
    //CHECKSTYLE:ON
    CSVFormat out = format == null ? CSVFormat.DEFAULT : CSVFormat.valueOf(format);
    if (delimiter != null) {
        out = out.withDelimiter(delimiter.charAt(0));
    }/*from  w  ww.j a  v  a 2 s.  co m*/
    if (quoteCharacter != null) {
        out = out.withQuote(quoteCharacter.charAt(0));
    }
    if (quoteMode != null) {
        out = out.withQuoteMode(QuoteMode.valueOf(quoteMode));
    }
    if (commentMarker != null) {
        out = out.withCommentMarker(commentMarker.charAt(0));
    }
    if (escapeCharacter != null) {
        out = out.withEscape(escapeCharacter.charAt(0));
    }
    if (ignoreSurroundingSpaces != null) {
        out = out.withIgnoreSurroundingSpaces(Boolean.parseBoolean(ignoreSurroundingSpaces));
    }
    if (ignoreEmptyLines != null) {
        out = out.withIgnoreEmptyLines(Boolean.parseBoolean(ignoreEmptyLines));
    }
    if (recordSeparator != null) {
        if ("\\n".equals(recordSeparator)) {
            out = out.withRecordSeparator('\n');
        } else if ("\\r\\n".equals(recordSeparator)) {
            out = out.withRecordSeparator("\r\n");
        } else {
            out = out.withRecordSeparator(recordSeparator);
        }
    }
    if (nullString != null) {
        out = out.withNullString(nullString);
    }
    if (headerComments != null && !headerComments.trim().isEmpty()) {
        out = out.withHeaderComments(headerComments.split(" *, *"));
    }
    if (Boolean.parseBoolean(readHeaders)) {
        out = out.withHeader();
    }
    if (header != null && !header.trim().isEmpty()) {
        try { // headers can have CSV header names so parse it there
            final Iterator<CSVRecord> iterator = out.withHeader(new String[0])
                    .parse(new StringReader(header + '\n' + header)).iterator();
            final CSVRecord record = iterator.next();
            final List<String> list = new ArrayList<String>(record.size());
            for (final String h : record) {
                list.add(h);
            }
            out = out.withHeader(list.toArray(new String[record.size()]));
        } catch (final IOException e) { // can't occur actually
            out = out.withHeader(header.split(" *, *"));
        }
    }
    if (skipHeaderRecord != null) {
        out = out.withSkipHeaderRecord(Boolean.parseBoolean(skipHeaderRecord));
    }
    if (allowMissingColumnNames != null) {
        out = out.withAllowMissingColumnNames(Boolean.parseBoolean(allowMissingColumnNames));
    }
    return out;
}

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

private static CSVFormat buildCustomFormat(final PropertyContext context) {
    final char valueSeparator = getUnescapedChar(context, VALUE_SEPARATOR);
    CSVFormat format = CSVFormat.newFormat(valueSeparator).withAllowMissingColumnNames().withIgnoreEmptyLines();

    final PropertyValue skipHeaderPropertyValue = context.getProperty(FIRST_LINE_IS_HEADER);
    if (skipHeaderPropertyValue.getValue() != null && skipHeaderPropertyValue.asBoolean()) {
        format = format.withFirstRecordAsHeader();
    }//  ww  w .  j a v a 2 s  .co  m

    format = format.withQuote(getChar(context, QUOTE_CHAR));
    format = format.withEscape(getChar(context, ESCAPE_CHAR));
    format = format.withTrim(context.getProperty(TRIM_FIELDS).asBoolean());

    if (context.getProperty(COMMENT_MARKER).isSet()) {
        format = format.withCommentMarker(getChar(context, COMMENT_MARKER));
    }
    if (context.getProperty(NULL_STRING).isSet()) {
        format = format.withNullString(CSVUtils.unescape(context.getProperty(NULL_STRING).getValue()));
    }

    final PropertyValue quoteValue = context.getProperty(QUOTE_MODE);
    if (quoteValue != null) {
        final QuoteMode quoteMode = QuoteMode.valueOf(quoteValue.getValue());
        format = format.withQuoteMode(quoteMode);
    }

    final PropertyValue trailingDelimiterValue = context.getProperty(TRAILING_DELIMITER);
    if (trailingDelimiterValue != null) {
        final boolean trailingDelimiter = trailingDelimiterValue.asBoolean();
        format = format.withTrailingDelimiter(trailingDelimiter);
    }

    final PropertyValue recordSeparator = context.getProperty(RECORD_SEPARATOR);
    if (recordSeparator != null) {
        final String separator = unescape(recordSeparator.getValue());
        format = format.withRecordSeparator(separator);
    }

    return format;
}

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