Java Code Examples for com.opencsv.CSVReader#readAll()
The following examples show how to use
com.opencsv.CSVReader#readAll() .
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Example 1
| Source File: CsvDataProvider.java From NoraUi with GNU Affero General Public License v3.0 | 6 votes |
|
/**
* {@inheritDoc}
*/
@Override
public String[] readLine(int line, boolean readResult) {
log.debug("readLine at line {}", line);
try {
final CSVReader reader = openInputData();
final List<String[]> a = reader.readAll();
if (line >= a.size()) {
return null;
}
final String[] row = a.get(line);
if ("".equals(row[0])) {
return null;
} else {
final String[] ret = readResult ? new String[columns.size()] : new String[columns.size() - 1];
System.arraycopy(row, 0, ret, 0, ret.length);
return ret;
}
} catch (final IOException e) {
log.error("error CsvDataProvider.readLine()", e);
return null;
}
}
Example 2
| Source File: CsvDataProvider.java From NoraUi with GNU Affero General Public License v3.0 | 6 votes |
|
/**
* {@inheritDoc}
*/
@Override
protected void writeValue(String column, int line, String value) {
log.debug("Writing: [{}] at line [{}] in column [{}]", value, line, column);
final int colIndex = columns.indexOf(column);
CSVReader reader;
try {
reader = openOutputData();
final List<String[]> csvBody = reader.readAll();
csvBody.get(line)[colIndex] = value;
reader.close();
writeValue(column, line, value, csvBody);
} catch (final IOException e1) {
log.error(Messages.getMessage(CSV_DATA_PROVIDER_WRITING_IN_CSV_ERROR_MESSAGE), column, line, value, e1);
}
}
Example 3
| Source File: CsvReaderExamples.java From tutorials with MIT License | 6 votes |
|
public static List<String[]> readAll(Reader reader) {
CSVParser parser = new CSVParserBuilder()
.withSeparator(',')
.withIgnoreQuotations(true)
.build();
CSVReader csvReader = new CSVReaderBuilder(reader)
.withSkipLines(0)
.withCSVParser(parser)
.build();
List<String[]> list = new ArrayList<>();
try {
list = csvReader.readAll();
reader.close();
csvReader.close();
} catch (Exception ex) {
Helpers.err(ex);
}
return list;
}
Example 4
| Source File: CsvReaderService.java From abixen-platform with GNU Lesser General Public License v2.1 | 5 votes |
|
private DataFileDto readFile(final CSVReader csvReader, final Boolean readFirstColumnAsColumnName) throws IOException {
final List<String[]> allDataInFile = csvReader.readAll();
final Integer typeColumnIndex = readFirstColumnAsColumnName ? HEADER_COLUMN_INDEX + 1 : 0;
final DataFileDto dataFileDto = new DataFileDto();
for (int i = 0; i < allDataInFile.size(); i++) {
if (i == typeColumnIndex) {
dataFileDto.setRowTypes(getLineAsRowInMemory(allDataInFile.get(i)));
} else {
dataFileDto.addRow(getLineAsRowInMemory(allDataInFile.get(i)));
}
}
return dataFileDto;
}
Example 5
| Source File: ApplicationConfiguration.java From StatsAgg with Apache License 2.0 | 5 votes |
|
private static List<InfluxdbV1HttpOutputModule> readInfluxdbV1HttpOutputModules() {
List<InfluxdbV1HttpOutputModule> influxdbV1HttpOutputModules = new ArrayList<>();
for (int i = -1; i < 10000; i++) {
String influxdbV1HttpOutputModuleKey = "influxdb_v1_output_module_" + (i + 1);
String influxdbV1HttpOutputModuleValue = applicationConfiguration_.safeGetString(influxdbV1HttpOutputModuleKey, null);
if (influxdbV1HttpOutputModuleValue == null) continue;
try {
CSVReader reader = new CSVReader(new StringReader(influxdbV1HttpOutputModuleValue));
List<String[]> csvValuesArray = reader.readAll();
if ((csvValuesArray != null) && !csvValuesArray.isEmpty() && (csvValuesArray.get(0) != null)) {
String[] csvValues = csvValuesArray.get(0);
if (csvValues.length == 4) {
boolean isOutputEnabled = Boolean.valueOf(csvValues[0]);
String url = csvValues[1];
int numSendRetryAttempts = Integer.valueOf(csvValues[2]);
int maxMetricsPerMessage = Integer.valueOf(csvValues[3]);
String uniqueId = "InfluxDB-V1-" + (i+1);
InfluxdbV1HttpOutputModule influxdbV1HttpOutputModule = new InfluxdbV1HttpOutputModule(isOutputEnabled, url,
numSendRetryAttempts, maxMetricsPerMessage, uniqueId);
influxdbV1HttpOutputModules.add(influxdbV1HttpOutputModule);
}
}
}
catch (Exception e) {
logger.error(e.toString() + System.lineSeparator() + StackTrace.getStringFromStackTrace(e));
}
}
return influxdbV1HttpOutputModules;
}
Example 6
| Source File: ApplicationConfiguration.java From StatsAgg with Apache License 2.0 | 5 votes |
|
private static List<HttpLink> readCustomActionUrls() {
List<HttpLink> customActionUrls = new ArrayList<>();
for (int i = 0; i < 1000; i++) {
String customActionUrlKey = "custom_action_url_" + (i + 1);
String customActionUrlValue = applicationConfiguration_.safeGetString(customActionUrlKey, null);
if (customActionUrlValue == null) continue;
try {
CSVReader reader = new CSVReader(new StringReader(customActionUrlValue));
List<String[]> csvValuesArray = reader.readAll();
if ((csvValuesArray != null) && !csvValuesArray.isEmpty() && (csvValuesArray.get(0) != null)) {
String[] csvValues = csvValuesArray.get(0);
if (csvValues.length == 2) {
String url = csvValues[0];
String linkText = csvValues[1];
HttpLink httpLink = new HttpLink(url, linkText);
customActionUrls.add(httpLink);
}
}
}
catch (Exception e) {
logger.error(e.toString() + System.lineSeparator() + StackTrace.getStringFromStackTrace(e));
}
}
return customActionUrls;
}
Example 7
| Source File: CSVReaderService.java From axelor-open-suite with GNU Affero General Public License v3.0 | 5 votes |
|
@Override
public boolean initialize(MetaFile input, String separator) {
if (input == null) {
return false;
}
fileName = input.getFileName().replaceAll(".csv", "");
File inFile = MetaFiles.getPath(input).toFile();
if (!inFile.exists()) {
return false;
}
try (FileInputStream inSteam = new FileInputStream(inFile)) {
csvReader =
new CSVReader(
new InputStreamReader(inSteam, StandardCharsets.UTF_8), separator.charAt(0));
totalRows = csvReader.readAll();
if (csvReader.getLinesRead() == 0) {
return false;
}
} catch (IOException e) {
LOG.error(e.getMessage());
return false;
}
return true;
}
Example 8
| Source File: CsvDecoder.java From metafacture-core with Apache License 2.0 | 5 votes |
|
private String[] parseCsv(final String string) {
String[] parts = new String[0];
try {
final CSVReader reader = new CSVReader(new StringReader(string),
separator);
final List<String[]> lines = reader.readAll();
if (lines.size() > 0) {
parts = lines.get(0);
}
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
return parts;
}
Example 9
| Source File: InstExpCsv.java From CQL with GNU Affero General Public License v3.0 | 4 votes |
|
/**
* Expects filenames in the map
*/
public static Map<En, List<String[]>> start2(Map<String, Reader> map, AqlOptions op,
Schema<Ty, En, Sym, Fk, Att> sch, boolean omitCheck) throws Exception {
Character sepChar = (Character) op.getOrDefault(AqlOption.csv_field_delim_char);
Character quoteChar = (Character) op.getOrDefault(AqlOption.csv_quote_char);
Character escapeChar = (Character) op.getOrDefault(AqlOption.csv_escape_char);
final CSVParser parser = new CSVParserBuilder().withSeparator(sepChar).withQuoteChar(quoteChar)
.withEscapeChar(escapeChar).withFieldAsNull(CSVReaderNullFieldIndicator.EMPTY_SEPARATORS).build();
Map<En, List<String[]>> ret = new THashMap<>();
for (String k : map.keySet()) {
if (!omitCheck) {
if (!sch.ens.contains(En.En(k))) {
throw new RuntimeException("Not an entity: " + k);
}
}
Reader r = map.get(k);
// File file = new File(map.get(k));
// BufferedReader fileReader = new BufferedReader(r);
// String s;
/// while ((s = fileReader.readLine()) != null) {
// System.out.println(s);
// }
final CSVReader reader = new CSVReaderBuilder(r).withCSVParser(parser)
.withFieldAsNull(CSVReaderNullFieldIndicator.EMPTY_SEPARATORS).build();
List<String[]> rows = reader.readAll();
ret.put(En.En(k), rows);
reader.close();
r.close();
}
if (!omitCheck) {
for (En en : sch.ens) {
if (!ret.containsKey(en)) {
ret.put(en,
new LinkedList<>(Collections.singletonList(Util
.union(sch.attsFrom(en).stream().map(Object::toString).collect(Collectors.toList()),
sch.fksFrom(en).stream().map(Object::toString).collect(Collectors.toList()))
.toArray(new String[0]))));
}
}
}
return ret;
}
Example 10
| Source File: CsvFileReader.java From dhis2-core with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
public CsvFileReader( File file )
throws IOException
{
reader = new CSVReader( new FileReader( file ) );
csvTable = reader.readAll();
}
Example 11
| Source File: ApplicationConfiguration.java From StatsAgg with Apache License 2.0 | 4 votes |
|
private static List<GraphiteOutputModule> readGraphiteOutputModules() {
List<GraphiteOutputModule> graphiteOutputModules = new ArrayList<>();
for (int i = -1; i < 10000; i++) {
String graphiteOutputModuleKey = "graphite_output_module_" + (i + 1);
String graphiteOutputModuleValue = applicationConfiguration_.safeGetString(graphiteOutputModuleKey, null);
if (graphiteOutputModuleValue == null) continue;
try {
CSVReader reader = new CSVReader(new StringReader(graphiteOutputModuleValue));
List<String[]> csvValuesArray = reader.readAll();
if ((csvValuesArray != null) && !csvValuesArray.isEmpty() && (csvValuesArray.get(0) != null)) {
String[] csvValues = csvValuesArray.get(0);
if (csvValues.length >= 4) {
boolean isOutputEnabled = Boolean.valueOf(csvValues[0]);
String host = csvValues[1];
int port = Integer.valueOf(csvValues[2]);
int numSendRetryAttempts = Integer.valueOf(csvValues[3]);
int maxMetricsPerMessage = 1000;
if (csvValues.length > 4) maxMetricsPerMessage = Integer.valueOf(csvValues[4]);
boolean sanitizeMetrics = false;
if (csvValues.length > 5) sanitizeMetrics = Boolean.valueOf(csvValues[5]);
boolean substituteCharacters = false;
if (csvValues.length > 6) substituteCharacters = Boolean.valueOf(csvValues[6]);
String uniqueId = "Graphite-" + (i+1);
GraphiteOutputModule graphiteOutputModule = new GraphiteOutputModule(isOutputEnabled, host, port,
numSendRetryAttempts, maxMetricsPerMessage, sanitizeMetrics, substituteCharacters, uniqueId);
graphiteOutputModules.add(graphiteOutputModule);
}
}
}
catch (Exception e) {
logger.error(e.toString() + System.lineSeparator() + StackTrace.getStringFromStackTrace(e));
}
}
return graphiteOutputModules;
}
Example 12
| Source File: ApplicationConfiguration.java From StatsAgg with Apache License 2.0 | 4 votes |
|
private static List<OpenTsdbTelnetOutputModule> readOpenTsdbTelnetOutputModules() {
List<OpenTsdbTelnetOutputModule> openTsdbTelnetOutputModules = new ArrayList<>();
for (int i = -1; i < 10000; i++) {
String openTsdbTelnetOutputModuleKey = "opentsdb_telnet_output_module_" + (i + 1);
String openTsdbTelnetOutputModuleValue = applicationConfiguration_.safeGetString(openTsdbTelnetOutputModuleKey, null);
if (openTsdbTelnetOutputModuleValue == null) continue;
try {
CSVReader reader = new CSVReader(new StringReader(openTsdbTelnetOutputModuleValue));
List<String[]> csvValuesArray = reader.readAll();
if ((csvValuesArray != null) && !csvValuesArray.isEmpty() && (csvValuesArray.get(0) != null)) {
String[] csvValues = csvValuesArray.get(0);
if (csvValues.length >= 4) {
boolean isOutputEnabled = Boolean.valueOf(csvValues[0]);
String host = csvValues[1];
int port = Integer.valueOf(csvValues[2]);
int numSendRetryAttempts = Integer.valueOf(csvValues[3]);
boolean sanitizeMetrics = false;
if (csvValues.length > 4) sanitizeMetrics = Boolean.valueOf(csvValues[4]);
String uniqueId = "OpenTSDB-Telnet-" + (i+1);
OpenTsdbTelnetOutputModule openTsdbTelnetOutputModule = new OpenTsdbTelnetOutputModule(isOutputEnabled, host, port,
numSendRetryAttempts, sanitizeMetrics, uniqueId);
openTsdbTelnetOutputModules.add(openTsdbTelnetOutputModule);
}
}
}
catch (Exception e) {
logger.error(e.toString() + System.lineSeparator() + StackTrace.getStringFromStackTrace(e));
}
}
return openTsdbTelnetOutputModules;
}
Example 13
| Source File: ApplicationConfiguration.java From StatsAgg with Apache License 2.0 | 4 votes |
|
private static List<OpenTsdbHttpOutputModule> readOpenTsdbHttpOutputModules() {
List<OpenTsdbHttpOutputModule> openTsdbHttpOutputModules = new ArrayList<>();
for (int i = -1; i < 10000; i++) {
String openTsdbHttpOutputModuleKey = "opentsdb_http_output_module_" + (i + 1);
String openTsdbHttpOutputModuleValue = applicationConfiguration_.safeGetString(openTsdbHttpOutputModuleKey, null);
if (openTsdbHttpOutputModuleValue == null) continue;
try {
CSVReader reader = new CSVReader(new StringReader(openTsdbHttpOutputModuleValue));
List<String[]> csvValuesArray = reader.readAll();
if ((csvValuesArray != null) && !csvValuesArray.isEmpty() && (csvValuesArray.get(0) != null)) {
String[] csvValues = csvValuesArray.get(0);
if (csvValues.length >= 4) {
boolean isOutputEnabled = Boolean.valueOf(csvValues[0]);
String url = csvValues[1];
int numSendRetryAttempts = Integer.valueOf(csvValues[2]);
int maxMetricsPerMessage = Integer.valueOf(csvValues[3]);
boolean sanitizeMetrics = false;
if (csvValues.length > 4) sanitizeMetrics = Boolean.valueOf(csvValues[4]);
String uniqueId = "OpenTSDB-HTTP-" + (i+1);
OpenTsdbHttpOutputModule openTsdbHttpOutputModule = new OpenTsdbHttpOutputModule(isOutputEnabled, url, numSendRetryAttempts,
maxMetricsPerMessage, sanitizeMetrics, uniqueId);
openTsdbHttpOutputModules.add(openTsdbHttpOutputModule);
}
}
}
catch (Exception e) {
logger.error(e.toString() + System.lineSeparator() + StackTrace.getStringFromStackTrace(e));
}
}
return openTsdbHttpOutputModules;
}
