List of usage examples for org.apache.commons.csv CSVPrinter CSVPrinter
public CSVPrinter(final Appendable out, final CSVFormat format) throws IOException
From source file:com.team3637.service.TeamServiceMySQLImpl.java
@Override public void exportCSV(String outputFile) { List<Team> data = getTeams(); FileWriter fileWriter = null; CSVPrinter csvFilePrinter = null;/*from w ww . jav a 2s .co m*/ try { fileWriter = new FileWriter(outputFile); csvFilePrinter = new CSVPrinter(fileWriter, CSVFormat.DEFAULT.withRecordSeparator("\n")); for (Team team : data) { List<Object> line = new ArrayList<>(); for (Field field : Team.class.getDeclaredFields()) { field.setAccessible(true); Object value = field.get(team); line.add(value); } csvFilePrinter.printRecord(line); } } catch (IOException | IllegalAccessException e) { e.printStackTrace(); } finally { try { if (fileWriter != null) { fileWriter.flush(); fileWriter.close(); } if (csvFilePrinter != null) { csvFilePrinter.close(); } } catch (IOException e) { e.printStackTrace(); } } }
From source file:edu.harvard.iq.dataverse.ingest.tabulardata.impl.plugins.csv.CSVFileReader.java
public int readFile(BufferedReader csvReader, DataTable dataTable, PrintWriter finalOut) throws IOException { List<DataVariable> variableList = new ArrayList<>(); CSVParser parser = new CSVParser(csvReader, inFormat.withHeader()); Map<String, Integer> headers = parser.getHeaderMap(); int i = 0;/*w ww .ja v a 2 s .c o m*/ for (String varName : headers.keySet()) { if (varName == null || varName.isEmpty()) { // TODO: // Add a sensible variable name validation algorithm. // -- L.A. 4.0 alpha 1 throw new IOException(BundleUtil.getStringFromBundle("ingest.csv.invalidHeader")); } DataVariable dv = new DataVariable(); dv.setName(varName); dv.setLabel(varName); dv.setInvalidRanges(new ArrayList<>()); dv.setSummaryStatistics(new ArrayList<>()); dv.setUnf("UNF:6:NOTCALCULATED"); dv.setCategories(new ArrayList<>()); variableList.add(dv); dv.setTypeCharacter(); dv.setIntervalDiscrete(); dv.setFileOrder(i); dv.setDataTable(dataTable); i++; } dataTable.setVarQuantity((long) variableList.size()); dataTable.setDataVariables(variableList); boolean[] isNumericVariable = new boolean[headers.size()]; boolean[] isIntegerVariable = new boolean[headers.size()]; boolean[] isTimeVariable = new boolean[headers.size()]; boolean[] isDateVariable = new boolean[headers.size()]; for (i = 0; i < headers.size(); i++) { // OK, let's assume that every variable is numeric; // but we'll go through the file and examine every value; the // moment we find a value that's not a legit numeric one, we'll // assume that it is in fact a String. isNumericVariable[i] = true; isIntegerVariable[i] = true; isDateVariable[i] = true; isTimeVariable[i] = true; } // First, "learning" pass. // (we'll save the incoming stream in another temp file:) SimpleDateFormat[] selectedDateTimeFormat = new SimpleDateFormat[headers.size()]; SimpleDateFormat[] selectedDateFormat = new SimpleDateFormat[headers.size()]; File firstPassTempFile = File.createTempFile("firstpass-", ".csv"); try (CSVPrinter csvFilePrinter = new CSVPrinter( // TODO allow other parsers of tabular data to use this parser by changin inFormat new FileWriter(firstPassTempFile.getAbsolutePath()), inFormat)) { //Write headers csvFilePrinter.printRecord(headers.keySet()); for (CSVRecord record : parser.getRecords()) { // Checks if #records = #columns in header if (!record.isConsistent()) { List<String> args = Arrays.asList(new String[] { "" + (parser.getCurrentLineNumber() - 1), "" + headers.size(), "" + record.size() }); throw new IOException(BundleUtil.getStringFromBundle("ingest.csv.recordMismatch", args)); } for (i = 0; i < headers.size(); i++) { String varString = record.get(i); isIntegerVariable[i] = isIntegerVariable[i] && varString != null && (varString.isEmpty() || varString.equals("null") || (firstNumCharSet.contains(varString.charAt(0)) && StringUtils.isNumeric(varString.substring(1)))); if (isNumericVariable[i]) { // If variable might be "numeric" test to see if this value is a parsable number: if (varString != null && !varString.isEmpty()) { boolean isNumeric = false; boolean isInteger = false; if (varString.equalsIgnoreCase("NaN") || varString.equalsIgnoreCase("NA") || varString.equalsIgnoreCase("Inf") || varString.equalsIgnoreCase("+Inf") || varString.equalsIgnoreCase("-Inf") || varString.equalsIgnoreCase("null")) { continue; } else { try { Double testDoubleValue = new Double(varString); continue; } catch (NumberFormatException ex) { // the token failed to parse as a double // so the column is a string variable. } } isNumericVariable[i] = false; } } // If this is not a numeric column, see if it is a date collumn // by parsing the cell as a date or date-time value: if (!isNumericVariable[i]) { Date dateResult = null; if (isTimeVariable[i]) { if (varString != null && !varString.isEmpty()) { boolean isTime = false; if (selectedDateTimeFormat[i] != null) { ParsePosition pos = new ParsePosition(0); dateResult = selectedDateTimeFormat[i].parse(varString, pos); if (dateResult != null && pos.getIndex() == varString.length()) { // OK, successfully parsed a value! isTime = true; } } else { for (SimpleDateFormat format : TIME_FORMATS) { ParsePosition pos = new ParsePosition(0); dateResult = format.parse(varString, pos); if (dateResult != null && pos.getIndex() == varString.length()) { // OK, successfully parsed a value! isTime = true; selectedDateTimeFormat[i] = format; break; } } } if (!isTime) { isTimeVariable[i] = false; // if the token didn't parse as a time value, // we will still try to parse it as a date, below. // unless this column is NOT a date. } else { // And if it is a time value, we are going to assume it's // NOT a date. isDateVariable[i] = false; } } } if (isDateVariable[i]) { if (varString != null && !varString.isEmpty()) { boolean isDate = false; // TODO: // Strictly speaking, we should be doing the same thing // here as with the time formats above; select the // first one that works, then insist that all the // other values in this column match it... but we // only have one, as of now, so it should be ok. // -- L.A. 4.0 beta for (SimpleDateFormat format : DATE_FORMATS) { // Strict parsing - it will throw an // exception if it doesn't parse! format.setLenient(false); try { format.parse(varString); isDate = true; selectedDateFormat[i] = format; break; } catch (ParseException ex) { //Do nothing } } isDateVariable[i] = isDate; } } } } csvFilePrinter.printRecord(record); } } dataTable.setCaseQuantity(parser.getRecordNumber()); parser.close(); csvReader.close(); // Re-type the variables that we've determined are numerics: for (i = 0; i < headers.size(); i++) { if (isNumericVariable[i]) { dataTable.getDataVariables().get(i).setTypeNumeric(); if (isIntegerVariable[i]) { dataTable.getDataVariables().get(i).setIntervalDiscrete(); } else { dataTable.getDataVariables().get(i).setIntervalContinuous(); } } else if (isDateVariable[i] && selectedDateFormat[i] != null) { // Dates are still Strings, i.e., they are "character" and "discrete"; // But we add special format values for them: dataTable.getDataVariables().get(i).setFormat(DATE_FORMATS[0].toPattern()); dataTable.getDataVariables().get(i).setFormatCategory("date"); } else if (isTimeVariable[i] && selectedDateTimeFormat[i] != null) { // Same for time values: dataTable.getDataVariables().get(i).setFormat(selectedDateTimeFormat[i].toPattern()); dataTable.getDataVariables().get(i).setFormatCategory("time"); } } // Second, final pass. try (BufferedReader secondPassReader = new BufferedReader(new FileReader(firstPassTempFile))) { parser = new CSVParser(secondPassReader, inFormat.withHeader()); String[] caseRow = new String[headers.size()]; for (CSVRecord record : parser) { if (!record.isConsistent()) { List<String> args = Arrays.asList(new String[] { "" + (parser.getCurrentLineNumber() - 1), "" + headers.size(), "" + record.size() }); throw new IOException(BundleUtil.getStringFromBundle("ingest.csv.recordMismatch", args)); } for (i = 0; i < headers.size(); i++) { String varString = record.get(i); if (isNumericVariable[i]) { if (varString == null || varString.isEmpty() || varString.equalsIgnoreCase("NA")) { // Missing value - represented as an empty string in // the final tab file caseRow[i] = ""; } else if (varString.equalsIgnoreCase("NaN")) { // "Not a Number" special value: caseRow[i] = "NaN"; } else if (varString.equalsIgnoreCase("Inf") || varString.equalsIgnoreCase("+Inf")) { // Positive infinity: caseRow[i] = "Inf"; } else if (varString.equalsIgnoreCase("-Inf")) { // Negative infinity: caseRow[i] = "-Inf"; } else if (varString.equalsIgnoreCase("null")) { // By request from Gus - "NULL" is recognized as a // numeric zero: caseRow[i] = isIntegerVariable[i] ? "0" : "0.0"; } else { /* No re-formatting is done on any other numeric values. * We'll save them as they were, for archival purposes. * The alternative solution - formatting in sci. notation * is commented-out below. */ caseRow[i] = varString; /* if (isIntegerVariable[i]) { try { Integer testIntegerValue = new Integer(varString); caseRow[i] = testIntegerValue.toString(); } catch (NumberFormatException ex) { throw new IOException("Failed to parse a value recognized as an integer in the first pass! (?)"); } } else { try { Double testDoubleValue = new Double(varString); if (testDoubleValue.equals(0.0)) { caseRow[i] = "0.0"; } else { // One possible implementation: // // Round our fractional values to 15 digits // (minimum number of digits of precision guaranteed by // type Double) and format the resulting representations // in a IEEE 754-like "scientific notation" - for ex., // 753.24 will be encoded as 7.5324e2 BigDecimal testBigDecimal = new BigDecimal(varString, doubleMathContext); caseRow[i] = String.format(FORMAT_IEEE754, testBigDecimal); // Strip meaningless zeros and extra + signs: caseRow[i] = caseRow[i].replaceFirst("00*e", "e"); caseRow[i] = caseRow[i].replaceFirst("\\.e", ".0e"); caseRow[i] = caseRow[i].replaceFirst("e\\+00", ""); caseRow[i] = caseRow[i].replaceFirst("^\\+", ""); } } catch (NumberFormatException ex) { throw new IOException("Failed to parse a value recognized as numeric in the first pass! (?)"); } } */ } } else if (isTimeVariable[i] || isDateVariable[i]) { // Time and Dates are stored NOT quoted (don't ask). if (varString != null) { // Dealing with quotes: // remove the leading and trailing quotes, if present: varString = varString.replaceFirst("^\"*", ""); varString = varString.replaceFirst("\"*$", ""); caseRow[i] = varString; } else { caseRow[i] = ""; } } else { // Treat as a String: // Strings are stored in tab files quoted; // Missing values are stored as an empty string // between two tabs (or one tab and the new line); // Empty strings stored as "" (quoted empty string). // For the purposes of this CSV ingest reader, we are going // to assume that all the empty strings in the file are // indeed empty strings, and NOT missing values: if (varString != null) { // escape the quotes, newlines, and tabs: varString = varString.replace("\"", "\\\""); varString = varString.replace("\n", "\\n"); varString = varString.replace("\t", "\\t"); // final pair of quotes: varString = "\"" + varString + "\""; caseRow[i] = varString; } else { caseRow[i] = "\"\""; } } } finalOut.println(StringUtils.join(caseRow, "\t")); } } long linecount = parser.getRecordNumber(); finalOut.close(); parser.close(); dbglog.fine("Tmp File: " + firstPassTempFile); // Firstpass file is deleted to prevent tmp from filling up. firstPassTempFile.delete(); if (dataTable.getCaseQuantity().intValue() != linecount) { List<String> args = Arrays .asList(new String[] { "" + dataTable.getCaseQuantity().intValue(), "" + linecount }); throw new IOException(BundleUtil.getStringFromBundle("ingest.csv.line_mismatch", args)); } return (int) linecount; }
From source file:com.quanticate.opensource.datalistdownload.DeclarativeSpreadsheetWebScript.java
/** * Generates the spreadsheet, based on the properties in the header * and a callback for the body./* ww w . j ava 2 s . c om*/ */ public void generateSpreadsheet(Object resource, String format, WebScriptRequest req, Status status, Map<String, Object> model) throws IOException { Pattern qnameMunger = Pattern.compile("([A-Z][a-z]+)([A-Z].*)"); // Build up the details of the header List<Pair<QName, Boolean>> propertyDetails = buildPropertiesForHeader(resource, format, req); String[] headings = new String[propertyDetails.size()]; String[] descriptions = new String[propertyDetails.size()]; boolean[] required = new boolean[propertyDetails.size()]; for (int i = 0; i < headings.length; i++) { Pair<QName, Boolean> property = propertyDetails.get(i); if (property == null || property.getFirst() == null) { headings[i] = ""; required[i] = false; } else { QName column = property.getFirst(); required[i] = property.getSecond(); // Ask the dictionary service nicely for the details PropertyDefinition pd = dictionaryService.getProperty(column); if (pd != null && pd.getTitle(dictionaryService) != null) { // Use the friendly titles, which may even be localised! headings[i] = pd.getTitle(dictionaryService); descriptions[i] = pd.getDescription(dictionaryService); } else { // Nothing friendly found, try to munge the raw qname into // something we can show to a user... String raw = column.getLocalName(); raw = raw.substring(0, 1).toUpperCase() + raw.substring(1); Matcher m = qnameMunger.matcher(raw); if (m.matches()) { headings[i] = m.group(1) + " " + m.group(2); } else { headings[i] = raw; } } } } // Build a list of just the properties List<QName> properties = new ArrayList<QName>(propertyDetails.size()); for (Pair<QName, Boolean> p : propertyDetails) { QName qn = null; if (p != null) { qn = p.getFirst(); } properties.add(qn); } // Output if ("csv".equals(format)) { StringWriter sw = new StringWriter(); CSVPrinter csv = new CSVPrinter(sw, CSVStrategy.EXCEL_STRATEGY); csv.println(headings); populateBody(resource, csv, properties); model.put(MODEL_CSV, sw.toString()); } else if ("odf".equals(format) || "ods".equals(format)) { try { SpreadsheetDocument odf = SpreadsheetDocument.newSpreadsheetDocument(); // Add the header row Table sheet = odf.appendSheet("Export"); org.odftoolkit.simple.table.Row hr = sheet.appendRow(); // TODO // Have the contents populated // TODO // Save it for the template ByteArrayOutputStream baos = new ByteArrayOutputStream(); odf.save(baos); model.put(MODEL_ODF, baos.toByteArray()); } catch (Exception e) { throw new WebScriptException("Error creating ODF file", e); } } else { Workbook wb; if ("xlsx".equals(format)) { wb = new XSSFWorkbook(); // TODO Properties } else { wb = new HSSFWorkbook(); // TODO Properties } // Add our header row Sheet sheet = wb.createSheet("Export"); Row hr = sheet.createRow(0); sheet.createFreezePane(0, 1); Font fb = wb.createFont(); fb.setBoldweight(Font.BOLDWEIGHT_BOLD); Font fi = wb.createFont(); fi.setBoldweight(Font.BOLDWEIGHT_BOLD); fi.setItalic(true); CellStyle csReq = wb.createCellStyle(); csReq.setFont(fb); CellStyle csOpt = wb.createCellStyle(); csOpt.setFont(fi); // Populate the header Drawing draw = null; for (int i = 0; i < headings.length; i++) { Cell c = hr.createCell(i); c.setCellValue(headings[i]); if (required[i]) { c.setCellStyle(csReq); } else { c.setCellStyle(csOpt); } if (headings[i].length() == 0) { sheet.setColumnWidth(i, 3 * 250); } else { sheet.setColumnWidth(i, 18 * 250); } if (descriptions[i] != null && descriptions[i].length() > 0) { // Add a description for it too if (draw == null) { draw = sheet.createDrawingPatriarch(); } ClientAnchor ca = wb.getCreationHelper().createClientAnchor(); ca.setCol1(c.getColumnIndex()); ca.setCol2(c.getColumnIndex() + 1); ca.setRow1(hr.getRowNum()); ca.setRow2(hr.getRowNum() + 2); Comment cmt = draw.createCellComment(ca); cmt.setAuthor(""); cmt.setString(wb.getCreationHelper().createRichTextString(descriptions[i])); cmt.setVisible(false); c.setCellComment(cmt); } } // Have the contents populated populateBody(resource, wb, sheet, properties); // Save it for the template ByteArrayOutputStream baos = new ByteArrayOutputStream(); wb.write(baos); model.put(MODEL_EXCEL, baos.toByteArray()); } }
From source file:de.fme.alfresco.repo.web.scripts.DeclarativeSpreadsheetWebScript.java
/** * Generates the spreadsheet, based on the properties in the header * and a callback for the body./*from ww w . ja v a 2s .c o m*/ */ public void generateSpreadsheet(Object resource, String format, WebScriptRequest req, Status status, Map<String, Object> model) throws IOException { Pattern qnameMunger = Pattern.compile("([A-Z][a-z]+)([A-Z].*)"); // Build up the details of the header List<Pair<QName, Boolean>> propertyDetails = buildPropertiesForHeader(resource, format, req); String[] headings = new String[propertyDetails.size()]; String[] descriptions = new String[propertyDetails.size()]; boolean[] required = new boolean[propertyDetails.size()]; for (int i = 0; i < headings.length; i++) { Pair<QName, Boolean> property = propertyDetails.get(i); if (property == null || property.getFirst() == null) { headings[i] = ""; required[i] = false; } else { QName column = property.getFirst(); required[i] = property.getSecond(); // Ask the dictionary service nicely for the details PropertyDefinition pd = dictionaryService.getProperty(column); if ((pd != null) && (pd.getTitle(messageLookup) != null)) { // Use the friendly titles, which may even be localised! headings[i] = pd.getTitle(messageLookup); descriptions[i] = pd.getDescription(messageLookup); } else { // Nothing friendly found, try to munge the raw qname into // something we can show to a user... String raw = column.getLocalName(); raw = raw.substring(0, 1).toUpperCase() + raw.substring(1); Matcher m = qnameMunger.matcher(raw); if (m.matches()) { headings[i] = m.group(1) + " " + m.group(2); } else { headings[i] = raw; } } } } // Build a list of just the properties List<QName> properties = new ArrayList<QName>(propertyDetails.size()); for (Pair<QName, Boolean> p : propertyDetails) { QName qn = null; if (p != null) { qn = p.getFirst(); } properties.add(qn); } // Output if ("csv".equals(format)) { StringWriter sw = new StringWriter(); CSVPrinter csv = new CSVPrinter(sw, CSVStrategy.EXCEL_STRATEGY); csv.println(headings); populateBody(resource, csv, properties); model.put(MODEL_CSV, sw.toString()); } else { Workbook wb; if ("xlsx".equals(format)) { wb = new XSSFWorkbook(); // TODO Properties } else { wb = new HSSFWorkbook(); // TODO Properties } // Add our header row Sheet sheet = wb.createSheet("Export"); Row hr = sheet.createRow(0); try { sheet.createFreezePane(0, 1); } catch (IndexOutOfBoundsException e) { //https://issues.apache.org/bugzilla/show_bug.cgi?id=51431 & http://stackoverflow.com/questions/6469693/apache-poi-clearing-freeze-split-panes } Font fb = wb.createFont(); fb.setBoldweight(Font.BOLDWEIGHT_BOLD); Font fi = wb.createFont(); fi.setBoldweight(Font.BOLDWEIGHT_BOLD); fi.setItalic(true); CellStyle csReq = wb.createCellStyle(); csReq.setFont(fb); CellStyle csOpt = wb.createCellStyle(); csOpt.setFont(fi); // Populate the header Drawing draw = null; for (int i = 0; i < headings.length; i++) { Cell c = hr.createCell(i); c.setCellValue(headings[i]); if (required[i]) { c.setCellStyle(csReq); } else { c.setCellStyle(csOpt); } if (headings[i].length() == 0) { sheet.setColumnWidth(i, 3 * 250); } else { sheet.setColumnWidth(i, 18 * 250); } if (descriptions[i] != null && descriptions[i].length() > 0) { // Add a description for it too if (draw == null) { draw = sheet.createDrawingPatriarch(); } ClientAnchor ca = wb.getCreationHelper().createClientAnchor(); ca.setCol1(c.getColumnIndex()); ca.setCol2(c.getColumnIndex() + 1); ca.setRow1(hr.getRowNum()); ca.setRow2(hr.getRowNum() + 2); Comment cmt = draw.createCellComment(ca); cmt.setAuthor(""); cmt.setString(wb.getCreationHelper().createRichTextString(descriptions[i])); cmt.setVisible(false); c.setCellComment(cmt); } } // Have the contents populated populateBody(resource, wb, sheet, properties); // Save it for the template ByteArrayOutputStream baos = new ByteArrayOutputStream(); wb.write(baos); model.put(MODEL_EXCEL, baos.toByteArray()); } }
From source file:gov.usda.DataCatalogClient.Catalog.java
/** * Outputs a Catalog into tab delimited format. * <p>//from w ww .java 2 s .c o m * Begins the process by listing out the header and calling all datasets to create * tab delimitted lines. * @param filePath String The output file for the catalog tab delimitted file. * @param dataListCode DataListingCode This will either print the Public Data Listing or the Enterprise * Data Inventory */ public void toCSV(String filePath, DataListingCode dataListingCode) throws IOException { Collections.sort(dataSetList); if (filePath == null) { throw (new NullPointerException("filepath cannot be null")); } PrintWriter out = null; CSVPrinter csvPrinter = null; CSVFormat csvFormat = CSVFormat.DEFAULT.withRecordSeparator("\n"); List<String> catalogString = new ArrayList<String>(); catalogString.add("Agency Name"); catalogString.add("Title"); catalogString.add("Description"); catalogString.add("MediaType"); catalogString.add("Download URL"); catalogString.add("Frequency"); catalogString.add("Bureau Code"); catalogString.add("Contact Email"); catalogString.add("Contact Name"); catalogString.add("Landing Page"); catalogString.add("Program Code"); catalogString.add("Publisher"); catalogString.add("Public Access Level"); catalogString.add("Access Level Comment"); catalogString.add("Tags"); catalogString.add("Last Update"); catalogString.add("Release Date"); catalogString.add("Unique Identifier"); catalogString.add("Data Dictionary"); catalogString.add("License"); catalogString.add("Spatial"); catalogString.add("Temporal"); catalogString.add("System of Records"); catalogString.add("Data Quality"); catalogString.add("Language"); catalogString.add("Theme"); catalogString.add("Reference"); catalogString.add("CKAN Create Date"); catalogString.add("CKAN Modified Date"); catalogString.add("CKAN Revision Timestamp"); catalogString.add("Is Part Of"); try { out = new PrintWriter(filePath); csvPrinter = new CSVPrinter(out, csvFormat); csvPrinter.printRecord(catalogString); for (Dataset ds : dataSetList) { if (dataListingCode.equals(DataListingCode.ENTERPRISE_DATA_INVENTORY)) { csvPrinter.printRecord(ds.datasetToListString()); } else if (dataListingCode.equals(DataListingCode.PUBLIC_DATA_LISTING)) { if (ds.getAccessLevel().equals(Dataset.AccessLevel.PUBLIC.toString()) || ds.getAccessLevel().equals(Dataset.AccessLevel.RESTRICTED)) { csvPrinter.printRecord(ds.datasetToListString()); } } } } catch (IOException e) { throw (e); } finally { out.close(); csvPrinter.close(); } }
From source file:com.team3637.service.MatchServiceMySQLImpl.java
@Override public void exportCSV(String outputFile) { List<Match> data = getMatches(); FileWriter fileWriter = null; CSVPrinter csvFilePrinter = null;//w ww .j av a 2 s . c om try { fileWriter = new FileWriter(outputFile); csvFilePrinter = new CSVPrinter(fileWriter, CSVFormat.DEFAULT.withRecordSeparator("\n")); for (Match match : data) { List<Object> line = new ArrayList<>(); for (Field field : Match.class.getDeclaredFields()) { field.setAccessible(true); Object value = field.get(match); line.add(value); } csvFilePrinter.printRecord(line); } } catch (IOException | IllegalAccessException e) { e.printStackTrace(); } finally { try { if (fileWriter != null) { fileWriter.flush(); fileWriter.close(); } if (csvFilePrinter != null) { csvFilePrinter.close(); } } catch (IOException e) { e.printStackTrace(); } } }
From source file:com.itemanalysis.jmetrik.file.JmetrikFileImporter.java
private void convertFile() { CSVParser parser = null;/*from w w w. j a v a2s . c o m*/ Reader reader = null; CSVPrinter printer = null; Writer writer = null; try { if (outputFile.exists()) { if (!overwrite) { theException = new IOException("File already exists and overwrite==false"); return; } } else { outputFile.createNewFile(); } //For debugging // System.out.println("CREATED: " + outputFile.getAbsolutePath()); //Writer header to file writer = new OutputStreamWriter(new FileOutputStream(outputFile)); printer = new CSVPrinter(writer, CSVFormat.DEFAULT.withCommentMarker('#')); printer.printComment("VERSION"); printer.printRecord(new String[] { "jmetrik1" }); printer.printComment("METADATA"); printer.printRecord(new String[] { Integer.valueOf(nrow).toString() }); printer.printComment("ATTRIBUTES"); for (VariableName v : variableAttributeMap.keySet()) { printer.printRecord(variableAttributeMap.get(v).getAttributeArray()); } printer.printComment("DATA"); //Write data to file reader = new InputStreamReader(new BOMInputStream(new FileInputStream(dataFile)), "UTF-8"); parser = new CSVParser(reader, dataFileFormat); if (hasHeader) { parser = new CSVParser(reader, dataFileFormat.withHeader(colNames).withSkipHeaderRecord(true)); } else { parser = new CSVParser(reader, dataFileFormat.withHeader(colNames)); } Iterator<CSVRecord> iter = parser.iterator(); CSVRecord csvRecord = null; VariableAttributes variableAttributes = null; DataType dataType = null; String temp = ""; while (iter.hasNext()) { csvRecord = iter.next(); for (VariableName v : variableAttributeMap.keySet()) { temp = csvRecord.get(v.toString()); variableAttributes = variableAttributeMap.get(v); dataType = variableAttributes.getDataType(); if (!variableAttributes.isMissing(temp)) { if (DataType.INTEGER == dataType) { printer.print(Double.valueOf(Double.parseDouble(temp)).intValue()); } else if (DataType.DOUBLE == dataType) { printer.print(Double.parseDouble(temp)); } else { printer.print(temp); } } else { printer.print(temp); } } printer.println(); } } catch (IOException ex) { theException = ex; } finally { try { if (parser != null) parser.close(); if (reader != null) reader.close(); if (printer != null) printer.close(); if (writer != null) writer.close(); } catch (IOException ex) { theException = ex; logger.fatal(ex); } } }
From source file:com.siemens.sw360.portal.portlets.admin.UserPortlet.java
public void backUpUsers(ResourceRequest request, ResourceResponse response) throws PortletException, IOException, SystemException, PortalException { List<User> liferayUsers; try {//from w ww . ja va2 s . c o m liferayUsers = UserLocalServiceUtil.getUsers(QueryUtil.ALL_POS, QueryUtil.ALL_POS); } catch (SystemException e) { log.error("Could not get user List from liferay", e); liferayUsers = Collections.emptyList(); } final ByteArrayOutputStream outB = new ByteArrayOutputStream(); Writer out = new BufferedWriter(new OutputStreamWriter(outB)); CSVPrinter csvPrinter = new CSVPrinter(out, CommonUtils.sw360CsvFormat); csvPrinter.printRecord("GivenName", "Lastname", "Email", "Department", "UserGroup", "GID", "isMale", "PasswdHash"); for (User liferayUser : liferayUsers) { String firstName = liferayUser.getFirstName(); String lastName = liferayUser.getLastName(); String emailAddress = liferayUser.getEmailAddress(); List<Organization> organizations = liferayUser.getOrganizations(); String department = ""; if (organizations != null && organizations.size() > 0) { department = organizations.get(0).getName(); } String userGroup = ""; List<Role> roles = liferayUser.getRoles(); List<String> roleNames = new ArrayList<>(); for (Role role : roles) { roleNames.add(role.getName()); } for (UserGroup group : UserGroup.values()) { String roleConstantFromUserGroup = getRoleConstantFromUserGroup(group); if (roleNames.contains(roleConstantFromUserGroup)) { userGroup = group.toString(); break; } } String gid = liferayUser.getOpenId(); boolean isMale = liferayUser.isMale(); String passwordHash = liferayUser.getPassword(); if (isNullOrEmpty(emailAddress) || isNullOrEmpty(department)) continue; csvPrinter.printRecord(firstName, lastName, emailAddress, department, userGroup, gid, isMale, passwordHash); } csvPrinter.flush(); csvPrinter.close(); ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(outB.toByteArray()); PortletResponseUtil.sendFile(request, response, "Users.csv", byteArrayInputStream, "text/csv"); }
From source file:com.mycompany.twitterapp.TwitterApp.java
public void saveToFile(long id, String tweet, String user, Orientation orientation) { OutputStreamWriter fileWriter = null; CSVPrinter csvFilePrinter = null;// w ww.j a v a 2 s . c o m CSVFormat csvFileFormat = CSVFormat.DEFAULT; if (tweet != null) { try { fileWriter = new OutputStreamWriter(new FileOutputStream(tweetFileName, true), "UTF-8"); csvFilePrinter = new CSVPrinter(fileWriter, csvFileFormat); csvFilePrinter.printRecord(id, orientation.name().toLowerCase(), tweet); } catch (IOException ex) { Logger.getLogger(TwitterApp.class.getName()).log(Level.SEVERE, null, ex); } finally { try { fileWriter.flush(); fileWriter.close(); csvFilePrinter.close(); } catch (IOException e) { System.out.println("Error while flushing/closing fileWriter/csvPrinter !!!"); e.printStackTrace(); } } } else { try { fileWriter = new OutputStreamWriter(new FileOutputStream(userFileName, true), "UTF-8"); csvFilePrinter = new CSVPrinter(fileWriter, csvFileFormat); csvFilePrinter.printRecord(id, user, orientation.name().toLowerCase()); } catch (IOException ex) { Logger.getLogger(TwitterApp.class.getName()).log(Level.SEVERE, null, ex); } finally { try { fileWriter.flush(); fileWriter.close(); csvFilePrinter.close(); } catch (IOException e) { System.out.println("Error while flushing/closing fileWriter/csvPrinter !!!"); e.printStackTrace(); } } } }
From source file:com.blackducksoftware.integration.hubdiff.HubDiff.java
public String writeDiffAsCSV(File file) throws IOException { if (!file.exists()) { file.createNewFile();//w w w . ja v a2 s.co m } CSVPrinter printer = new CSVPrinter(new PrintStream(file), CSVFormat.EXCEL); printer.printRecord("HubVersions", swaggerDoc1.getVersion(), " -> ", swaggerDoc2.getVersion()); printer.printRecord("Operation", "Expected", "Actual", "Field"); // Log all additions to the API for (FieldComparisonFailure added : results.getFieldUnexpected()) { printer.printRecord("ADDED", added.getExpected(), added.getActual(), added.getField()); } // Log all changes made to the API for (FieldComparisonFailure changed : results.getFieldFailures()) { printer.printRecord("CHANGED", changed.getExpected(), changed.getActual(), changed.getField()); } // Log all deletions made to the API for (FieldComparisonFailure removed : results.getFieldMissing()) { printer.printRecord("REMOVED", removed.getExpected(), removed.getActual(), removed.getField()); } printer.close(); return FileUtils.readFileToString(file, StandardCharsets.UTF_8); }