*/
package jexer;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import jexer.bits.CellAttributes;
+import jexer.bits.StringUtils;
import jexer.event.TKeypressEvent;
import jexer.event.TMouseEvent;
import jexer.event.TResizeEvent;
/**
* Extra columns to add.
*/
- private static final int EXTRA_COLUMNS = (DEBUG ? 10 * (8 + 1) : 0);
+ private static final int EXTRA_COLUMNS = (DEBUG ? 3 : 0);
// ------------------------------------------------------------------------
// Variables --------------------------------------------------------------
* @param y row relative to parent
* @param width width of widget
* @param height height of widget
+ * @param gridColumns number of columns in grid
+ * @param gridRows number of rows in grid
*/
public TTableWidget(final TWidget parent, final int x, final int y,
- final int width, final int height) {
+ final int width, final int height, final int gridColumns,
+ final int gridRows) {
super(parent, x, y, width, height);
+ /*
+ System.err.println("gridColumns " + gridColumns +
+ " gridRows " + gridRows);
+ */
+
+ if (gridColumns < 1) {
+ throw new IllegalArgumentException("Column count cannot be less " +
+ "than 1");
+ }
+ if (gridRows < 1) {
+ throw new IllegalArgumentException("Row count cannot be less " +
+ "than 1");
+ }
+
// Initialize the starting row and column.
rows.add(new Row(0));
columns.add(new Column(0));
+ assert (rows.get(0).height == 1);
// Place a grid of cells that fit in this space.
- int row = 0;
- for (int i = 0; i < height + EXTRA_ROWS; i += rows.get(0).height) {
- int column = 0;
- for (int j = 0; j < width + EXTRA_COLUMNS;
- j += columns.get(0).width) {
-
- Cell cell = new Cell(this, 0, 0, columns.get(0).width,
- rows.get(0).height, column, row);
+ for (int row = 0; row < gridRows; row++) {
+ for (int column = 0; column < gridColumns; column++) {
+ Cell cell = new Cell(this, 0, 0, COLUMN_DEFAULT_WIDTH, 1,
+ column, row);
if (DEBUG) {
// For debugging: set a grid of cell index labels.
}
rows.get(row).add(cell);
columns.get(column).add(cell);
- if ((i == 0) &&
- (j + columns.get(0).width < width + EXTRA_COLUMNS)
- ) {
+
+ if (columns.size() < gridColumns) {
columns.add(new Column(column + 1));
}
- column++;
}
- if (i + rows.get(0).height < height + EXTRA_ROWS) {
+ if (row < gridRows - 1) {
rows.add(new Row(row + 1));
}
- row++;
}
for (int i = 0; i < rows.size(); i++) {
rows.get(i).setY(i + (showColumnLabels ? COLUMN_LABEL_HEIGHT : 0));
}
for (int j = 0; j < columns.size(); j++) {
- columns.get(j).setX((j * COLUMN_DEFAULT_WIDTH) +
+ columns.get(j).setX((j * (COLUMN_DEFAULT_WIDTH + 1)) +
(showRowLabels ? ROW_LABEL_WIDTH : 0));
}
activate(columns.get(selectedColumn).get(selectedRow));
alignGrid();
}
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of widget
+ * @param height height of widget
+ */
+ public TTableWidget(final TWidget parent, final int x, final int y,
+ final int width, final int height) {
+
+ this(parent, x, y, width, height,
+ width / (COLUMN_DEFAULT_WIDTH + 1) + EXTRA_COLUMNS,
+ height + EXTRA_ROWS);
+ }
+
// ------------------------------------------------------------------------
// Event handlers ---------------------------------------------------------
// ------------------------------------------------------------------------
* Align the grid so that the selected cell is fully visible.
*/
private void alignGrid() {
+
+ /*
+ System.err.println("alignGrid() # columns " + columns.size() +
+ " # rows " + rows.size());
+ */
+
int viewColumns = getWidth();
if (showRowLabels == true) {
viewColumns -= ROW_LABEL_WIDTH;
}
}
+ /**
+ * Save contents to file in CSV format.
+ *
+ * @param csvFile a File referencing the CSV data
+ * @throws IOException if a java.io operation throws
+ */
+ public void loadCsvFile(final File csvFile) throws IOException {
+ BufferedReader reader = null;
+
+ try {
+ reader = new BufferedReader(new FileReader(csvFile));
+
+ String line = null;
+ boolean first = true;
+ for (line = reader.readLine(); line != null;
+ line = reader.readLine()) {
+
+ List<String> list = StringUtils.fromCsv(line);
+ if (list.size() == 0) {
+ continue;
+ }
+
+ if (list.size() > columns.size()) {
+ int n = list.size() - columns.size();
+ for (int i = 0; i < n; i++) {
+ selectedColumn = columns.size() - 1;
+ insertColumnRight(selectedColumn);
+ }
+ }
+ assert (list.size() == columns.size());
+
+ if (first) {
+ // First row: just replace what is here.
+ selectedRow = 0;
+ first = false;
+ } else {
+ // All other rows: append to the end.
+ selectedRow = rows.size() - 1;
+ insertRowBelow(selectedRow);
+ selectedRow = rows.size() - 1;
+ }
+ for (int i = 0; i < list.size(); i++) {
+ rows.get(selectedRow).get(i).setText(list.get(i));
+ }
+
+ // TODO: detect header line
+ }
+ } finally {
+ if (reader != null) {
+ reader.close();
+ }
+ }
+
+ left = 0;
+ top = 0;
+ selectedRow = 0;
+ selectedColumn = 0;
+ alignGrid();
+ activate(columns.get(selectedColumn).get(selectedRow));
+ }
+
/**
* Save contents to file in CSV format.
*
* @throws IOException if a java.io operation throws
*/
public void saveToCsvFilename(final String filename) throws IOException {
- // TODO
+ BufferedWriter writer = null;
+
+ try {
+ writer = new BufferedWriter(new FileWriter(filename));
+ for (Row row: rows) {
+ List<String> list = new ArrayList<String>(row.cells.size());
+ for (Cell cell: row.cells) {
+ list.add(cell.getText());
+ }
+ writer.write(StringUtils.toCsv(list));
+ writer.write("\n");
+ }
+ } finally {
+ if (writer != null) {
+ writer.close();
+ }
+ }
}
/**
* @throws IOException if a java.io operation throws
*/
public void saveToTextFilename(final String filename) throws IOException {
- // TODO
+ BufferedWriter writer = null;
+
+ try {
+ writer = new BufferedWriter(new FileWriter(filename));
+
+ if ((topBorder == Border.SINGLE) && (leftBorder == Border.SINGLE)) {
+ // Emit top-left corner.
+ writer.write("\u250c");
+ }
+
+ if (topBorder == Border.SINGLE) {
+ int cellI = 0;
+ for (Cell cell: rows.get(0).cells) {
+ for (int i = 0; i < columns.get(cellI).width; i++) {
+ writer.write("\u2500");
+ }
+
+ if (columns.get(cellI).rightBorder == Border.SINGLE) {
+ if (cellI < columns.size() - 1) {
+ // Emit top tee.
+ writer.write("\u252c");
+ } else {
+ // Emit top-right corner.
+ writer.write("\u2510");
+ }
+ }
+ cellI++;
+ }
+ }
+ writer.write("\n");
+
+ int rowI = 0;
+ for (Row row: rows) {
+
+ if (leftBorder == Border.SINGLE) {
+ // Emit left border.
+ writer.write("\u2502");
+ }
+
+ int cellI = 0;
+ for (Cell cell: row.cells) {
+ writer.write(String.format("%" +
+ columns.get(cellI).width + "s", cell.getText()));
+
+ if (columns.get(cellI).rightBorder == Border.SINGLE) {
+ // Emit right border.
+ writer.write("\u2502");
+ }
+ cellI++;
+ }
+ writer.write("\n");
+
+ if (row.bottomBorder == Border.NONE) {
+ // All done, move on to the next row.
+ continue;
+ }
+
+ // Emit the bottom borders and intersections.
+ if ((leftBorder == Border.SINGLE)
+ && (row.bottomBorder != Border.NONE)
+ ) {
+ if (rowI < rows.size() - 1) {
+ if (row.bottomBorder == Border.SINGLE) {
+ // Emit left tee.
+ writer.write("\u251c");
+ } else if (row.bottomBorder == Border.DOUBLE) {
+ // Emit left tee (double).
+ writer.write("\u255e");
+ } else if (row.bottomBorder == Border.THICK) {
+ // Emit left tee (thick).
+ writer.write("\u251d");
+ }
+ }
+
+ if (rowI == rows.size() - 1) {
+ if (row.bottomBorder == Border.SINGLE) {
+ // Emit left bottom corner.
+ writer.write("\u2514");
+ } else if (row.bottomBorder == Border.DOUBLE) {
+ // Emit left bottom corner (double).
+ writer.write("\u2558");
+ } else if (row.bottomBorder == Border.THICK) {
+ // Emit left bottom corner (thick).
+ writer.write("\u2515");
+ }
+ }
+ }
+
+ cellI = 0;
+ for (Cell cell: row.cells) {
+
+ for (int i = 0; i < columns.get(cellI).width; i++) {
+ if (row.bottomBorder == Border.SINGLE) {
+ writer.write("\u2500");
+ }
+ if (row.bottomBorder == Border.DOUBLE) {
+ writer.write("\u2550");
+ }
+ if (row.bottomBorder == Border.THICK) {
+ writer.write("\u2501");
+ }
+ }
+
+ if ((rowI < rows.size() - 1)
+ && (cellI == columns.size() - 1)
+ && (row.bottomBorder == Border.SINGLE)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit right tee.
+ writer.write("\u2524");
+ }
+ if ((rowI < rows.size() - 1)
+ && (cellI == columns.size() - 1)
+ && (row.bottomBorder == Border.DOUBLE)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit right tee (double).
+ writer.write("\u2561");
+ }
+ if ((rowI < rows.size() - 1)
+ && (cellI == columns.size() - 1)
+ && (row.bottomBorder == Border.THICK)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit right tee (thick).
+ writer.write("\u2525");
+ }
+ if ((rowI == rows.size() - 1)
+ && (cellI == columns.size() - 1)
+ && (row.bottomBorder == Border.SINGLE)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit right bottom corner.
+ writer.write("\u2518");
+ }
+ if ((rowI == rows.size() - 1)
+ && (cellI == columns.size() - 1)
+ && (row.bottomBorder == Border.DOUBLE)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit right bottom corner (double).
+ writer.write("\u255b");
+ }
+ if ((rowI == rows.size() - 1)
+ && (cellI == columns.size() - 1)
+ && (row.bottomBorder == Border.THICK)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit right bottom corner (thick).
+ writer.write("\u2519");
+ }
+ if ((rowI < rows.size() - 1)
+ && (cellI < columns.size() - 1)
+ && (row.bottomBorder == Border.SINGLE)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit intersection.
+ writer.write("\u253c");
+ }
+ if ((rowI < rows.size() - 1)
+ && (cellI < columns.size() - 1)
+ && (row.bottomBorder == Border.DOUBLE)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit intersection (double).
+ writer.write("\u256a");
+ }
+ if ((rowI < rows.size() - 1)
+ && (cellI < columns.size() - 1)
+ && (row.bottomBorder == Border.THICK)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit intersection (thick).
+ writer.write("\u253f");
+ }
+ if ((rowI == rows.size() - 1)
+ && (cellI < columns.size() - 1)
+ && (row.bottomBorder == Border.SINGLE)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit bottom tee.
+ writer.write("\u2534");
+ }
+ if ((rowI == rows.size() - 1)
+ && (cellI < columns.size() - 1)
+ && (row.bottomBorder == Border.DOUBLE)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit bottom tee (double).
+ writer.write("\u2567");
+ }
+ if ((rowI == rows.size() - 1)
+ && (cellI < columns.size() - 1)
+ && (row.bottomBorder == Border.THICK)
+ && (columns.get(cellI).rightBorder == Border.SINGLE)
+ ) {
+ // Emit bottom tee (thick).
+ writer.write("\u2537");
+ }
+
+ cellI++;
+ }
+
+ writer.write("\n");
+ rowI++;
+ }
+ } finally {
+ if (writer != null) {
+ writer.close();
+ }
+ }
}
/**
Row newRow = new Row(idx);
for (int i = 0; i < columns.size(); i++) {
Cell cell = new Cell(this, columns.get(i).getX(),
- rows.get(selectedRow).getY(), COLUMN_DEFAULT_WIDTH, 1, i, idx);
+ rows.get(idx).getY(), COLUMN_DEFAULT_WIDTH, 1, i, idx);
newRow.add(cell);
columns.get(i).cells.add(idx, cell);
}
throw new IndexOutOfBoundsException("Row count is " +
rows.size() + ", requested index " + row);
}
- insertRowAt(selectedRow);
+ insertRowAt(row);
selectedRow++;
activate(columns.get(selectedColumn).get(selectedRow));
}
throw new IndexOutOfBoundsException("Row count is " +
rows.size() + ", requested index " + row);
}
- int idx = selectedRow + 1;
+ int idx = row + 1;
if (idx < rows.size()) {
insertRowAt(idx);
activate(columns.get(selectedColumn).get(selectedRow));
return;
}
- // selectedRow is the last row, we need to perform an append.
+ // row is the last row, we need to perform an append.
Row newRow = new Row(idx);
for (int i = 0; i < columns.size(); i++) {
Cell cell = new Cell(this, columns.get(i).getX(),
- rows.get(selectedRow).getY(), COLUMN_DEFAULT_WIDTH, 1, i, idx);
+ rows.get(row).getY(), COLUMN_DEFAULT_WIDTH, 1, i, idx);
newRow.add(cell);
columns.get(i).cells.add(cell);
}
private void insertColumnAt(final int idx) {
Column newColumn = new Column(idx);
for (int i = 0; i < rows.size(); i++) {
- Cell cell = new Cell(this, columns.get(selectedColumn).getX(),
+ Cell cell = new Cell(this, columns.get(idx).getX(),
rows.get(i).getY(), COLUMN_DEFAULT_WIDTH, 1, idx, i);
newColumn.add(cell);
rows.get(i).cells.add(idx, cell);
throw new IndexOutOfBoundsException("Column count is " +
columns.size() + ", requested index " + column);
}
- insertColumnAt(selectedColumn);
+ insertColumnAt(column);
selectedColumn++;
activate(columns.get(selectedColumn).get(selectedRow));
}
throw new IndexOutOfBoundsException("Column count is " +
columns.size() + ", requested index " + column);
}
- int idx = selectedColumn + 1;
+ int idx = column + 1;
if (idx < columns.size()) {
insertColumnAt(idx);
activate(columns.get(selectedColumn).get(selectedRow));
return;
}
- // selectedColumn is the last column, we need to perform an append.
+ // column is the last column, we need to perform an append.
Column newColumn = new Column(idx);
for (int i = 0; i < rows.size(); i++) {
- Cell cell = new Cell(this, columns.get(selectedColumn).getX(),
+ Cell cell = new Cell(this, columns.get(column).getX(),
rows.get(i).getY(), COLUMN_DEFAULT_WIDTH, 1, idx, i);
newColumn.add(cell);
rows.get(i).cells.add(cell);
if (selectedColumn == 0) {
leftBorder = Border.NONE;
}
+ if (selectedColumn > 0) {
+ columns.get(selectedColumn - 1).rightBorder = Border.NONE;
+ }
columns.get(selectedColumn).rightBorder = Border.NONE;
+ if (selectedRow > 0) {
+ rows.get(selectedRow - 1).bottomBorder = Border.NONE;
+ rows.get(selectedRow - 1).height = 1;
+ }
rows.get(selectedRow).bottomBorder = Border.NONE;
rows.get(selectedRow).height = 1;
bottomRightCorner();
if (selectedColumn == 0) {
leftBorder = Border.SINGLE;
}
+ if (selectedColumn > 0) {
+ columns.get(selectedColumn - 1).rightBorder = Border.SINGLE;
+ }
columns.get(selectedColumn).rightBorder = Border.SINGLE;
+ if (selectedRow > 0) {
+ rows.get(selectedRow - 1).bottomBorder = Border.SINGLE;
+ rows.get(selectedRow - 1).height = 2;
+ }
rows.get(selectedRow).bottomBorder = Border.SINGLE;
rows.get(selectedRow).height = 2;
alignGrid();
*/
package jexer;
+import java.io.File;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.ResourceBundle;
setupAfterTable();
}
+ /**
+ * Public constructor loads a grid from a RFC4180 CSV file.
+ *
+ * @param parent the main application
+ * @param csvFile a File referencing the CSV data
+ * @throws IOException if a java.io operation throws
+ */
+ public TTableWindow(final TApplication parent,
+ final File csvFile) throws IOException {
+
+ super(parent, csvFile.getName(), 0, 0,
+ parent.getScreen().getWidth() / 2,
+ parent.getScreen().getHeight() / 2 - 2,
+ RESIZABLE | CENTERED);
+
+ tableField = addTable(0, 0, getWidth() - 2, getHeight() - 2, 1, 1);
+ setupAfterTable();
+ tableField.loadCsvFile(csvFile);
+ }
+
// ------------------------------------------------------------------------
// Event handlers ---------------------------------------------------------
// ------------------------------------------------------------------------
String filename = fileOpenBox(".");
if (filename != null) {
try {
- // TODO
- if (false) {
- tableField.saveToCsvFilename(filename);
- }
+ new TTableWindow(getApplication(), new File(filename));
} catch (IOException e) {
messageBox(i18n.getString("errorDialogTitle"),
MessageFormat.format(i18n.
*/
@Override
public void onMenu(final TMenuEvent menu) {
- TInputBox inputBox;
+ TInputBox inputBox = null;
+ String filename = null;
switch (menu.getId()) {
case TMenu.MID_TABLE_RENAME_COLUMN:
tableField.getColumnWidth(tableField.getSelectedColumnNumber()) + 1);
return;
case TMenu.MID_TABLE_FILE_OPEN_CSV:
- // TODO
+ try {
+ filename = fileOpenBox(".");
+ if (filename != null) {
+ try {
+ new TTableWindow(getApplication(), new File(filename));
+ } catch (IOException e) {
+ messageBox(i18n.getString("errorDialogTitle"),
+ MessageFormat.format(i18n.
+ getString("errorReadingFile"), e.getMessage()));
+ }
+ }
+ } catch (IOException e) {
+ messageBox(i18n.getString("errorDialogTitle"),
+ MessageFormat.format(i18n.
+ getString("errorOpeningFileDialog"), e.getMessage()));
+ }
return;
case TMenu.MID_TABLE_FILE_SAVE_CSV:
- // TODO
+ try {
+ filename = fileSaveBox(".");
+ if (filename != null) {
+ tableField.saveToCsvFilename(filename);
+ }
+ } catch (IOException e) {
+ messageBox(i18n.getString("errorDialogTitle"),
+ MessageFormat.format(i18n.
+ getString("errorWritingFile"), e.getMessage()));
+ }
return;
case TMenu.MID_TABLE_FILE_SAVE_TEXT:
- // TODO
+ try {
+ filename = fileSaveBox(".");
+ if (filename != null) {
+ tableField.saveToTextFilename(filename);
+ }
+ } catch (IOException e) {
+ messageBox(i18n.getString("errorDialogTitle"),
+ MessageFormat.format(i18n.
+ getString("errorWritingFile"), e.getMessage()));
+ }
return;
default:
break;
package jexer.bits;
import java.util.List;
-import java.util.LinkedList;
+import java.util.ArrayList;
/**
* StringUtils contains methods to:
*
* - Unescape C0 control codes.
*
+ * - Read/write a line of RFC4180 comma-separated values strings to/from a
+ * list of strings.
*/
public class StringUtils {
* @return the list of lines
*/
public static List<String> left(final String str, final int n) {
- List<String> result = new LinkedList<String>();
+ List<String> result = new ArrayList<String>();
/*
* General procedure:
* @return the list of lines
*/
public static List<String> right(final String str, final int n) {
- List<String> result = new LinkedList<String>();
+ List<String> result = new ArrayList<String>();
/*
* Same as left(), but preceed each line with spaces to make it n
* @return the list of lines
*/
public static List<String> center(final String str, final int n) {
- List<String> result = new LinkedList<String>();
+ List<String> result = new ArrayList<String>();
/*
* Same as left(), but preceed/succeed each line with spaces to make
* @return the list of lines
*/
public static List<String> full(final String str, final int n) {
- List<String> result = new LinkedList<String>();
+ List<String> result = new ArrayList<String>();
/*
* Same as left(), but insert spaces between words to make each line
return sb.toString();
}
+ /**
+ * Read a line of RFC4180 comma-separated values (CSV) into a list of
+ * strings.
+ *
+ * @param line the CSV line, with or without without line terminators
+ * @return the list of strings
+ */
+ public static List<String> fromCsv(final String line) {
+ List<String> result = new ArrayList<String>();
+
+ StringBuilder str = new StringBuilder();
+ boolean quoted = false;
+ boolean fieldQuoted = false;
+
+ for (int i = 0; i < line.length(); i++) {
+ char ch = line.charAt(i);
+
+ /*
+ System.err.println("ch '" + ch + "' str '" + str + "' " +
+ " fieldQuoted " + fieldQuoted + " quoted " + quoted);
+ */
+
+ if (ch == ',') {
+ if (fieldQuoted && quoted) {
+ // Terminating a quoted field.
+ result.add(str.toString());
+ str = new StringBuilder();
+ quoted = false;
+ fieldQuoted = false;
+ } else if (fieldQuoted) {
+ // Still waiting to see the terminating quote for this
+ // field.
+ str.append(ch);
+ } else if (quoted) {
+ // An unmatched double-quote and comma. This should be
+ // an invalid sequence. We will treat it as a quote
+ // terminating the field.
+ str.append('\"');
+ result.add(str.toString());
+ str = new StringBuilder();
+ quoted = false;
+ fieldQuoted = false;
+ } else {
+ // A field separator.
+ result.add(str.toString());
+ str = new StringBuilder();
+ quoted = false;
+ fieldQuoted = false;
+ }
+ continue;
+ }
+
+ if (ch == '\"') {
+ if ((str.length() == 0) && (!fieldQuoted)) {
+ // The opening quote to a quoted field.
+ fieldQuoted = true;
+ } else if (quoted) {
+ // This is a double-quote.
+ str.append('\"');
+ quoted = false;
+ } else {
+ // This is the beginning of a quote.
+ quoted = true;
+ }
+ continue;
+ }
+
+ // Normal character, pass it on.
+ str.append(ch);
+ }
+
+ // Include the final field.
+ result.add(str.toString());
+
+ return result;
+ }
+
+ /**
+ * Write a list of strings to on line of RFC4180 comma-separated values
+ * (CSV).
+ *
+ * @param list the list of strings
+ * @return the CSV line, without any line terminators
+ */
+ public static String toCsv(final List<String> list) {
+ StringBuilder result = new StringBuilder();
+ int i = 0;
+ for (String str: list) {
+
+ if (!str.contains("\"") && !str.contains(",")) {
+ // Just append the string with a comma.
+ result.append(str);
+ } else if (!str.contains("\"") && str.contains(",")) {
+ // Contains commas, but no quotes. Just double-quote it.
+ result.append("\"");
+ result.append(str);
+ result.append("\"");
+ } else if (str.contains("\"")) {
+ // Contains quotes and maybe commas. Double-quote it and
+ // replace quotes inside.
+ result.append("\"");
+ for (int j = 0; j < str.length(); j++) {
+ char ch = str.charAt(j);
+ result.append(ch);
+ if (ch == '\"') {
+ result.append("\"");
+ }
+ }
+ result.append("\"");
+ }
+
+ if (i < list.size() - 1) {
+ result.append(",");
+ }
+ i++;
+ }
+ return result.toString();
+ }
+
}