JTabbedPane JTable JPanel Excel (xls, xlsx) Apache POI
Bonjour à tous,
J'ai le problème suivant qui est peut-être assez claire mais je n'y arrive pas encore :
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Exception in thread "AWT-EventQueue-0" java.lang.IllegalStateException: Zip File is closed
at org.apache.poi.openxml4j.util.ZipFileZipEntrySource.getEntries(ZipFileZipEntrySource.java:45)
at org.apache.poi.openxml4j.opc.ZipPackage.getPartsImpl(ZipPackage.java:180)
at org.apache.poi.openxml4j.opc.OPCPackage.getParts(OPCPackage.java:696)
at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:230)
at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:188)
at org.apache.poi.POIXMLDocument.openPackage(POIXMLDocument.java:85)
at org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java:319)
at EVENT.MyUtilityMethods.createTabPanel(MyUtilityMethods.java:71)
at EVENT.MyActionEvent.btnLoad_click(MyActionEvent.java:67)
at EVENT.MyActionEvent.actionPerformed(MyActionEvent.java:34)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source) |
Et Maintenant la classe MyUtilityMethods :
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package EVENT;
import java.awt.Color;
import java.awt.Font;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.List;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
/**
* Some utility methods for the application
*
* @author t0163126
*/
public class MyUtilityMethods {
/**
* Create tabs based on file and panel
*
* @param tabPanel
* @param file
* @return
*/
public JTabbedPane createJTabbed(List<JPanel> lstPanel, File file) {
JTabbedPane tabbedPane = new JTabbedPane();
for (JPanel panel : lstPanel) {
int index = tabbedPane.getTabCount();
JComponent tabPanel = createTabPanel(file);
tabbedPane.addTab
(
panel.getName(), //tab name
null, //tab icon
tabPanel, //Tabs panel for the JTable
panel.getToolTipText() //tab tool tip text
);
}
return tabbedPane;
}
/**
* Create a tab panel by excel feel
*
* @param fileName
* @param excelFile
* @return
*/
public JComponent createTabPanel(File excelFile) {
JTable spreadsheet = new JTable();
JPanel panel = null;
XSSFWorkbook wb;
XSSFSheet sheet;
try {
wb = new XSSFWorkbook(excelFile.getName());
//Get the sheet number
int nbFeuilles = wb.getNumberOfSheets();
for (int i = 0; i < nbFeuilles; i++) {
sheet = wb.getSheetAt(i);
//Create one JTable by excel feel
spreadsheet = createJTableWithExcel(excelFile, i);
spreadsheet.setFont(new Font(Font.SERIF, Font.PLAIN, 10));
JScrollPane elevator = new JScrollPane();
elevator.setViewportView(spreadsheet);
//Create a panel by excel feel number
panel = new JPanel();
panel.setBorder(BorderFactory.createTitledBorder(sheet.getSheetName()));
panel.setBackground(Color.LIGHT_GRAY);
panel.add(elevator);
}
wb.close();
} catch (IOException e) {
e.printStackTrace();
}
return panel;
}
/**
* Create a JTable depending on the file and the entry sheet number
*
* @param file
* @param numSheet
* @return
*/
public static JTable createJTableWithExcel(File file, int numSheet) {
// Create new table
JTable table = new JTable();
// Reading the excel file
XSSFWorkbook wb;
try {
wb = new XSSFWorkbook(file);
// Get the contents of the excel file according to the sheet number
XSSFSheet sheet = wb.getSheetAt(numSheet);
// Count the line number
int nbRows = sheet.getLastRowNum();
// Count the column number
int nbColumns = numberMaxColumn(sheet);
System.out.println("In the sheet " + sheet.getSheetName()
+ " there are " + nbRows + " lines and " + nbColumns
+ " columns");
// Create new object array
Object[][] obj = new Object[nbRows][nbColumns];
// Array header
String[] title = new String[nbColumns];
for (int i = 0; i < nbColumns; i++) {
title[i] = "#" + i;
}
// Browsing the sheet and retrieves the lines one by one
for (int rowContent = 0; rowContent < nbRows; rowContent++) {
XSSFRow row = sheet.getRow(rowContent);
// Browsing the line and retrieves the columns
if (row != null) {
for (int columnContent = 0; columnContent < nbColumns; columnContent++) {
// Retrieves the cell and this value
XSSFCell cell = row.getCell((short) columnContent);
Object value = contentCell(cell);
// System.out.println(value.toString());
obj[rowContent][columnContent] = value;
}
}
}
wb.close();
table.setModel(new DefaultTableModel(obj, title));
} catch (InvalidFormatException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return table;
}
/**
* The cell can contain different type of value that should be specifically
* recovered
*
* @param cell
* @return
*/
private static Object contentCell(XSSFCell cell) {
Object value = null;
if (cell == null) {
value = "";
} else if (cell.getCellType() == HSSFCell.CELL_TYPE_BOOLEAN) {
value = cell.getBooleanCellValue();
} else if (cell.getCellType() == XSSFCell.CELL_TYPE_ERROR) {
value = cell.getErrorCellValue();
} else if (cell.getCellType() == XSSFCell.CELL_TYPE_FORMULA) {
value = cell.getCellFormula();
} else if (cell.getCellType() == XSSFCell.CELL_TYPE_NUMERIC) {
value = cell.getNumericCellValue();
} else if (cell.getCellType() == XSSFCell.CELL_TYPE_STRING) {
value = cell.getStringCellValue();
}
return value;
}
/**
* Retrieves the maximum number of column. If a line has 2 empty boxes at
* the end , they are not taken into account. So to retrieve the number of
* columns to initialize our table we must browse all lines
*
* @param sheet
* @return
*/
private static int numberMaxColumn(XSSFSheet sheet) {
int r = sheet.getLastRowNum();
int max = 0;
int s = 0;
while (s < r) {
if (sheet.getRow(s) != null) {
int c = sheet.getRow(s).getLastCellNum();
if (c > max) {
max = c;
}
}
s++;
}
return max + 1;
}
} |
Puis la méthode load_click de la classe MyActionEvent qui se déclanche lors d'un clique sur le bouton Load :
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private void btnLoad_click()
{
JFileChooser fc = new MyFileChooser();
//Open the dialog box
int returnVal = fc.showOpenDialog(null);
if (returnVal == JFileChooser.APPROVE_OPTION) {
//if you validate
MyUtilityMethods myMethods = new MyUtilityMethods();
List<JPanel> lstPanel = (List<JPanel>) myMethods.createTabPanel(fc.getSelectedFile());
myMethods.createJTabbed(lstPanel, fc.getSelectedFile());
for (JPanel p : lstPanel) {
System.out.println(p.getName());
}
} else if (returnVal == JFileChooser.CANCEL_OPTION) {
//if you cancel
System.out.println("You chose to cancel this action ");
}
} |
Il y a sans doute des truc pas très logique ou plus simple peut-être, alors n'hésitez pas à me le dire :)
Merci Beaucoup Pour Vos Aides :)
