Examples with KsqlException io.confluent.ksql.util.KsqlException used on opensource projects

Example 41 with KsqlException

use of io.confluent.ksql.util.KsqlException in project ksql by confluentinc.

the class StandaloneExecutor method readQueriesFile.

private static String readQueriesFile(final String queryFilePath) {
    final StringBuilder sb = new StringBuilder();
    try (final BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(queryFilePath), StandardCharsets.UTF_8))) {
        String line = br.readLine();
        while (line != null) {
            sb.append(line);
            sb.append(System.lineSeparator());
            line = br.readLine();
        }
    } catch (IOException e) {
        throw new KsqlException("Could not read the query file. Details: " + e.getMessage(), e);
    }
    return sb.toString();
}

Example 42 with KsqlException

use of io.confluent.ksql.util.KsqlException in project ksql by confluentinc.

the class KsqlDelimitedDeserializer method deserialize.

@Override
public GenericRow deserialize(final String topic, final byte[] bytes) {
    if (bytes == null) {
        return null;
    }
    String recordCsvString = new String(bytes, StandardCharsets.UTF_8);
    try {
        List<CSVRecord> csvRecords = CSVParser.parse(recordCsvString, CSVFormat.DEFAULT).getRecords();
        if (csvRecords == null || csvRecords.isEmpty()) {
            throw new KsqlException("Deserialization error in the delimited line: " + recordCsvString);
        }
        CSVRecord csvRecord = csvRecords.get(0);
        if (csvRecord == null || csvRecord.size() == 0) {
            throw new KsqlException("Deserialization error in the delimited line: " + recordCsvString);
        }
        List<Object> columns = new ArrayList<>();
        if (csvRecord.size() != schema.fields().size()) {
            throw new KsqlException(String.format("Unexpected field count, csvFields:%d schemaFields:%d line: %s", csvRecord.size(), schema.fields().size(), recordCsvString));
        }
        for (int i = 0; i < csvRecord.size(); i++) {
            if (csvRecord.get(i) == null) {
                columns.add(null);
            } else {
                columns.add(enforceFieldType(schema.fields().get(i).schema(), csvRecord.get(i)));
            }
        }
        return new GenericRow(columns);
    } catch (Exception e) {
        throw new SerializationException("Exception in deserializing the delimited row: " + recordCsvString, e);
    }
}