Examples with CsvWriter com.csvreader.CsvWriter used on opensource projects

Example 1 with CsvWriter

use of com.csvreader.CsvWriter in project gephi by gephi.

the class JTableCSVExporter method writeCSVFile.

/**
     * <p>Export a JTable to the specified file.</p>
     * @param table Table to export
     * @param file File to write
     * @param separator Separator to use for separating values of a row in the CSV file. If null ',' will be used.
     * @param charset Charset encoding for the file
     * @param columnsToExport Indicates the indexes of the columns to export. All columns will be exported if null
     * @throws IOException When an error happens while writing the file
     */
public static void writeCSVFile(JTable table, File file, Character separator, Charset charset, Integer[] columnsToExport) throws IOException {
    TableModel model = table.getModel();
    FileOutputStream out = new FileOutputStream(file);
    if (separator == null) {
        separator = DEFAULT_SEPARATOR;
    }
    if (columnsToExport == null) {
        columnsToExport = new Integer[model.getColumnCount()];
        for (int i = 0; i < columnsToExport.length; i++) {
            columnsToExport[i] = i;
        }
    }
    CsvWriter writer = new CsvWriter(out, separator, charset);
    //Write column headers:
    for (int column = 0; column < columnsToExport.length; column++) {
        writer.write(model.getColumnName(columnsToExport[column]), true);
    }
    writer.endRecord();
    //Write rows:
    Object value;
    String text;
    for (int row = 0; row < table.getRowCount(); row++) {
        for (int column = 0; column < columnsToExport.length; column++) {
            value = model.getValueAt(table.convertRowIndexToModel(row), columnsToExport[column]);
            if (value != null) {
                text = value.toString();
            } else {
                text = "";
            }
            writer.write(text, true);
        }
        writer.endRecord();
    }
    writer.close();
}

Example 2 with CsvWriter

use of com.csvreader.CsvWriter in project meclipse by flaper87.

the class MeclipsePlugin method saveServers.

private void saveServers() {
    // save server preferences here
    CsvWriter writer = null;
    try {
        IPath libPath = getStateLocation();
        libPath = libPath.append("servers.cfg");
        File file = libPath.toFile();
        if (!file.exists()) {
            file.createNewFile();
        }
        writer = new CsvWriter(new FileWriter(file, false), ',');
        for (MongoInstance server : mongoInstances.values()) {
            writer.write(server.getName());
            writer.write(server.getHost());
            writer.write(String.valueOf(server.getPort()));
            writer.endRecord();
        }
    } catch (IOException ex) {
        ex.printStackTrace();
    } finally {
        if (writer != null) {
            writer.close();
        }
    }
}

Example 3 with CsvWriter

use of com.csvreader.CsvWriter in project gephi by gephi.

the class AttributeTableCSVExporter method writeCSVFile.

/**
     * <p>Export a AttributeTable to the specified file.</p>
     *
     * @param graph Graph containing the table and rows
     * @param table Table to export. Cannot be null
     * @param out Ouput stream to write. Cannot be null.
     * @param separator Separator to use for separating values of a row in the CSV file. If null ',' will be used.
     * @param charset Charset encoding for the file. If null, UTF-8 will be used
     * @param columnIndexesToExport Indicates the indexes of the columns to export. All columns will be exported if null. For special columns in edges table, use {@code FAKE_COLUMN_EDGE_} values in this class.
     * @param rows Elements (table rows: nodes/edges) to include in the exported file. Cannot be null. If null, all nodes/edges will be exported.
     * @throws IOException When an error happens while writing the file
     */
public static void writeCSVFile(Graph graph, Table table, OutputStream out, Character separator, Charset charset, Integer[] columnIndexesToExport, Element[] rows) throws IOException {
    if (out == null) {
        throw new IllegalArgumentException("out cannot be null");
    }
    if (separator == null) {
        separator = DEFAULT_SEPARATOR;
    }
    if (charset == null) {
        charset = Charset.forName("UTF-8");
    }
    AttributeColumnsController ac = Lookup.getDefault().lookup(AttributeColumnsController.class);
    boolean isEdgeTable = ac.isEdgeTable(table);
    if (rows == null) {
        if (isEdgeTable) {
            rows = graph.getEdges().toArray();
        } else {
            rows = graph.getNodes().toArray();
        }
    }
    TimeFormat timeFormat = graph.getModel().getTimeFormat();
    DateTimeZone timeZone = graph.getModel().getTimeZone();
    if (columnIndexesToExport == null) {
        List<Integer> columnIndexesToExportList = new ArrayList<>();
        //Add special columns for edges table:
        if (isEdgeTable) {
            columnIndexesToExportList.add(FAKE_COLUMN_EDGE_SOURCE);
            columnIndexesToExportList.add(FAKE_COLUMN_EDGE_TARGET);
            columnIndexesToExportList.add(FAKE_COLUMN_EDGE_TYPE);
        }
        for (Column column : table) {
            columnIndexesToExportList.add(column.getIndex());
        }
        columnIndexesToExport = columnIndexesToExportList.toArray(new Integer[0]);
    }
    CsvWriter writer = new CsvWriter(out, separator, charset);
    //Write column headers:
    for (int column = 0; column < columnIndexesToExport.length; column++) {
        int columnIndex = columnIndexesToExport[column];
        if (columnIndex == FAKE_COLUMN_EDGE_SOURCE) {
            writer.write("Source");
        } else if (columnIndex == FAKE_COLUMN_EDGE_TARGET) {
            writer.write("Target");
        } else if (columnIndex == FAKE_COLUMN_EDGE_TYPE) {
            writer.write("Type");
        } else {
            //Use the title only if it's the same as the id (case insensitive):
            String columnId = table.getColumn(columnIndex).getId();
            String columnTitle = table.getColumn(columnIndex).getId();
            String columnHeader = columnId.equalsIgnoreCase(columnTitle) ? columnTitle : columnId;
            writer.write(columnHeader, true);
        }
    }
    writer.endRecord();
    //Write rows:
    Object value;
    String text;
    for (int row = 0; row < rows.length; row++) {
        for (int i = 0; i < columnIndexesToExport.length; i++) {
            int columnIndex = columnIndexesToExport[i];
            if (columnIndex == FAKE_COLUMN_EDGE_SOURCE) {
                value = ((Edge) rows[row]).getSource().getId();
            } else if (columnIndex == FAKE_COLUMN_EDGE_TARGET) {
                value = ((Edge) rows[row]).getTarget().getId();
            } else if (columnIndex == FAKE_COLUMN_EDGE_TYPE) {
                value = ((Edge) rows[row]).isDirected() ? "Directed" : "Undirected";
            } else {
                value = rows[row].getAttribute(table.getColumn(columnIndex));
            }
            if (value != null) {
                text = AttributeUtils.print(value, timeFormat, timeZone);
            } else {
                text = "";
            }
            writer.write(text, true);
        }
        writer.endRecord();
    }
    writer.close();
}

Example 4 with CsvWriter

use of com.csvreader.CsvWriter in project dhis2-core by dhis2.

the class SpringDataValueSetStore method writeDataValueSetCsv.

@Override
public void writeDataValueSetCsv(DataExportParams params, Date completeDate, Writer writer) {
    DataValueSet dataValueSet = new StreamingCsvDataValueSet(new CsvWriter(writer, CSV_DELIM));
    String sql = getDataValueSql(params);
    writeDataValueSet(sql, params, completeDate, dataValueSet);
    IOUtils.closeQuietly(writer);
}

Example 5 with CsvWriter

use of com.csvreader.CsvWriter in project dhis2-core by dhis2.

the class GridUtils method toCsv.

/**
     * Writes a CSV representation of the given Grid to the given OutputStream.
     */
public static void toCsv(Grid grid, Writer writer) throws IOException {
    if (grid == null) {
        return;
    }
    CsvWriter csvWriter = new CsvWriter(writer, CSV_DELIMITER);
    Iterator<GridHeader> headers = grid.getHeaders().iterator();
    if (!grid.getHeaders().isEmpty()) {
        while (headers.hasNext()) {
            csvWriter.write(headers.next().getColumn());
        }
        csvWriter.endRecord();
    }
    for (List<Object> row : grid.getRows()) {
        Iterator<Object> columns = row.iterator();
        while (columns.hasNext()) {
            Object value = columns.next();
            csvWriter.write(value != null ? String.valueOf(value) : StringUtils.EMPTY);
        }
        csvWriter.endRecord();
    }
}