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DBExcelImport.java
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DBExcelImport.java
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import java.awt.*;
import java.awt.List;
import java.awt.event.*;
import java.io.*;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.*;
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import com.mysql.cj.jdbc.result.ResultSetMetaData;
import exception.InvalidExcelFileException;
/**
* Project to import from excel files to DB
*
* @Author Alya Alshammeri, Munerah H. Alzaidan, Nourah Alshahrani
* @Instructor Dr. Sofien Gannoni
* @Course KSU CCIS CSC581 DB
* @Date March 2020
*/
public class DBExcelImport extends JFrame {
static String file;
static int sheetNo;
/*
* Database connection
*/
Database projectDB;
/**
* GUI Components
*/
JTabbedPane pane;
JTabbedPane paneT;
JButton importBtn;
JButton connect;
JButton viewBtn;
JButton clear;
JButton exit;
JButton login;
JButton readFileBtn;
JProgressBar progressBar;
JLabel filepathLbl;
JLabel sheetNumLbl;
JLabel excelPreviewLbl;
JLabel dbPreviewLbl;
JLabel logsLbl;
JLabel author;
JTextField textfilepath;
JLabel dbNameLbl;
JLabel userNameLbl;
JTextField userNameTxt;
JLabel pwdLbl;
JPasswordField pwdTxt;
JFileChooser chooser;
JTable excelTable;
JComboBox<String> sheetNumCb;
JComboBox<String> dbNameCb;
static JTextArea logs;
static boolean errorconnected = false;
int numberOfSheets;
static List dblist;
String dbName, userName, pwd;
ExcelToObjectMapper mapper;
String text = "Welcome to Database Excel Importer !\nPlease enter an excel sheet";
public DBExcelImport() {
/**
* Setup JFrame
*/
setTitle("CSC 581 - Excel to DB");
setSize(960, 630);
setLocationRelativeTo(null);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(null);
/**
* Add Components to JFrame
*/
filepathLbl = new JLabel("Excel File Directory :");
sheetNumLbl = new JLabel("Sheet Number :");
excelPreviewLbl = new JLabel("Excel Preview :");
dbPreviewLbl = new JLabel("DB Preview :");
dbNameLbl = new JLabel("DB Name :");
userNameLbl = new JLabel("User Name :");
pwdLbl = new JLabel("Password :");
logsLbl = new JLabel("Logs :");
author = new JLabel("© Alya Alshammeri, Munerah H. Alzaidan, Nourah Alshahrani");
chooser = new JFileChooser();
FileNameExtensionFilter filter = new FileNameExtensionFilter("excel table file", "xlsx", "csv", "xlsm");
chooser.setFileFilter(filter);
logs = new JTextArea();
logs.setText(text);
logs.setLineWrap(true);
logs.setWrapStyleWord(true);
JScrollPane logsPane = new JScrollPane(logs);
logsPane.setPreferredSize(new Dimension(500, 200));
logsPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
connect = new JButton("Connect");
importBtn = new JButton("Import");
viewBtn = new JButton("View Data");
clear = new JButton("Reset");
login = new JButton("Login");
readFileBtn = new JButton("Open file");
progressBar = new JProgressBar();
progressBar.setIndeterminate(true);
progressBar.setVisible(false);
textfilepath = new JTextField();
dbNameCb = new JComboBox<String>();
userNameTxt = new JTextField();
pwdTxt = new JPasswordField();
sheetNumCb = new JComboBox<String>();
sheetNumCb.setEnabled(false);
excelTable = new JTable();
add(dbNameLbl);
add(dbNameCb);
add(userNameLbl);
add(userNameTxt);
add(pwdLbl);
add(pwdTxt);
add(connect);
add(login);
add(filepathLbl);
add(textfilepath);
add(readFileBtn);
add(sheetNumLbl);
add(sheetNumCb);
add(importBtn);
add(viewBtn);
add(clear);
add(progressBar);
add(logsLbl);
add(logsPane);
add(author);
add(excelPreviewLbl);
add(dbPreviewLbl);
setVisible(true);
/**
* JFrame Components Positions
*
* @param (x,y,width,height)
*/
dbNameLbl.setBounds(500, 60, 100, 40);
dbNameCb.setBounds(500, 90, 250, 30);
userNameLbl.setBounds(500, 10, 100, 40);
userNameTxt.setBounds(500, 40, 150, 30);
pwdLbl.setBounds(650, 10, 100, 40);
pwdTxt.setBounds(650, 40, 150, 30);
login.setBounds(810, 40, 100, 40);
connect.setBounds(810, 90, 100, 40);
filepathLbl.setBounds(500, 110, 250, 40);
textfilepath.setBounds(500, 140, 300, 30);
readFileBtn.setBounds(810, 135, 100, 40);
sheetNumLbl.setBounds(500, 165, 250, 40);
sheetNumCb.setBounds(500, 190, 250, 40);
viewBtn.setBounds(500, 230, 100, 40);
importBtn.setBounds(600, 230, 100, 40);
clear.setBounds(810, 230, 100, 40);
progressBar.setBounds(500, 270, 250, 30);
logsLbl.setBounds(500, 290, 160, 40);
logsPane.setBounds(500, 325, 300, 250);
author.setBounds(300, 570, 400, 40);
excelPreviewLbl.setBounds(30, 10, 250, 40);
dbPreviewLbl.setBounds(30, 240, 250, 40);
clear.setEnabled(false);
viewBtn.setEnabled(false);
importBtn.setEnabled(false);
readFileBtn.setEnabled(false);
dbNameCb.setEnabled(false);
connect.setEnabled(false);
/**
* onClick open file
*/
readFileBtn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new Thread(new Runnable() {
@Override
public void run() {
progressBar.setVisible(true);
try {
ReadExcelFile();
progressBar.setVisible(false);
connect.setEnabled(false);
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}).start();
}
});
/**
* onClick on Clear Button
*/
clear.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
logs.setText(text);
reset();
}
});
/**
* onClick on Login
*/
login.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
logs.setText("");
new Thread(new Runnable() {
@Override
public void run() {
logs.setText("Connecting to DB ...");
progressBar.setVisible(true);
try {
userName = userNameTxt.getText();
pwd = pwdTxt.getText();
errorconnected = false;
if (userNameTxt.getText().equals("")) {
logs.setText("DB user name can't be empty!");
} else {
dblist = new List();
projectDB = new Database(userName, pwd);
if (!errorconnected) {
logs.setText("Please select the database name.");
int sizelist = dblist.getItemCount();
for(int o = 0 ; o < sizelist; o++) {
dbNameCb.addItem(dblist.getItem(o));
}
dbNameCb.setEnabled(true);
connect.setEnabled(true);
}
}
} catch (Exception e1) {
logs.setText(e1.getMessage());
}
progressBar.setVisible(false);
}
}).start();
}
});
/**
* onClick on Connect
*/
connect.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
logs.setText("");
new Thread(new Runnable() {
@Override
public void run() {
logs.setText("Connecting to DB ...");
progressBar.setVisible(true);
try {
errorconnected = false;
dblist = new List();
String dbnameSelected = dbNameCb.getSelectedItem().toString();
projectDB.connectToOneDB(dbnameSelected);
if (!errorconnected) {
logs.setText("Connected Successfully!");
readFileBtn.setEnabled(true);
}
} catch (Exception e1) {
logs.setText(e1.getMessage());
}
progressBar.setVisible(false);
}
}).start();
}
});
/**
* onClick on View
*/
viewBtn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
logs.setText("");
new Thread(new Runnable() {
@Override
public void run() {
progressBar.setVisible(true);
try {
int temp;
if (sheetNumCb.getSelectedItem().toString().equals("All")) {
temp = numberOfSheets;
} else {
temp = 1;
}
paneT = new JTabbedPane(JTabbedPane.TOP);
TableModel model = new DefaultTableModel();
for (int t = 0; t < temp; t++) {
GeneralTable table = new GeneralTable();
if (!sheetNumCb.getSelectedItem().toString().equals("All")) {
int selectedSheet = sheetNumCb.getSelectedIndex();
table = mapper.map(selectedSheet);
model = new DefaultTableModel(mapper.getData(), mapper.getHeader());
logs.setText(
"Preview excel table for sheet: " + (selectedSheet + 1) + "\n");
} else {
table = mapper.map(t);
logs.setText("Preview excel table for sheet: " + (t + 1) + "\n");
model = new DefaultTableModel(mapper.getData(), mapper.getHeader());
}
JTable excelTable = new JTable();
excelTable.setModel(model);
excelTable.setAutoCreateRowSorter(true);
excelTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
JScrollPane scrollExcelTable = new JScrollPane(excelTable);
scrollExcelTable.setBounds(30, 45, 400, 200);
excelTable.setVisible(true);
paneT.add(scrollExcelTable, "Sheet " + (t+1));
paneT.revalidate();
paneT.repaint();
}
add(paneT);
paneT.setBounds(30, 45, 400, 200);
paneT.setVisible(true);
progressBar.setVisible(false);
} catch (InvalidExcelFileException e1) {
System.out.println("Invalid Excel file.");
JPanel panel = new JPanel();
JOptionPane.showMessageDialog(panel, "Invalid Excel file.", "Error",
JOptionPane.ERROR_MESSAGE);
} catch (FileNotFoundException e1) {
System.out.println("File not found.");
JPanel panel = new JPanel();
JOptionPane.showMessageDialog(panel, "File not found.", "Error", JOptionPane.ERROR_MESSAGE);
} catch (NullPointerException e1) {
JPanel panel = new JPanel();
JOptionPane.showMessageDialog(panel, "Rows are empty (Null).", "Error",
JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
} catch (Exception e1) {
System.out.println("Error occured. Unable to execute mapping.");
// JPanel panel = new JPanel();
// JOptionPane.showMessageDialog(panel," Uncorrect sheet number", "Error",
// JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
}
}
}).start();
}
});
/**
* onClick on import
*/
importBtn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
logs.setText("");
new Thread(new Runnable() {
@Override
public void run() {
progressBar.setVisible(true);
try {
int temp2;
if (sheetNumCb.getSelectedItem().toString().equals("All")) {
temp2 = numberOfSheets;
} else {
temp2 = 1;
}
pane = new JTabbedPane(JTabbedPane.TOP);
for (int n = 0; n < temp2; n++) {
GeneralTable table2;
if (!sheetNumCb.getSelectedItem().toString().equals("All")) {
int selectedSheet = sheetNumCb.getSelectedIndex();
table2 = mapper.map(selectedSheet);
logs.setText(
"Preview imported to DB table for sheet: " + (selectedSheet + 1) + "\n");
} else {
table2 = mapper.map(n);
logs.setText("Preview imported to DB table for sheet: " + (n + 1) + "\n");
}
projectDB.createTable(table2);
projectDB.addTuples(table2);
projectDB.getTableTuples(table2);
ResultSet rs = projectDB.getTableTuples(table2);
DefaultTableModel model2 = buildTableModel(rs);
JTable dbTable = new JTable();
dbTable.setModel(model2);
dbTable.setAutoCreateRowSorter(true);
dbTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
JScrollPane scrollDBTable = new JScrollPane(dbTable);
scrollDBTable.setBounds(30, 275, 400, 200);
dbTable.setVisible(true);
pane.add(scrollDBTable, "Sheet " + (n+1));
pane.revalidate();
pane.repaint();
}
add(pane);
pane.setBounds(30, 275, 400, 200);
pane.setVisible(true);
progressBar.setVisible(false);
} catch (Exception e1) {
System.out.println("Error occured. Unable to execute mapping.");
// JPanel panel = new JPanel();
// JOptionPane.showMessageDialog(panel," Uncorrect sheet number", "Error",
// JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
}
}
}).start();
}
});
}
public static DefaultTableModel buildTableModel(ResultSet rs) throws SQLException {
ResultSetMetaData metaData = (ResultSetMetaData) rs.getMetaData();
// names of columns
Vector<String> columnNames = new Vector<String>();
int columnCount = metaData.getColumnCount();
for (int column = 1; column <= columnCount; column++) {
columnNames.add(metaData.getColumnName(column));
}
// data of the table
Vector<Vector<Object>> data = new Vector<Vector<Object>>();
while (rs.next()) {
Vector<Object> vector = new Vector<Object>();
for (int columnIndex = 1; columnIndex <= columnCount; columnIndex++) {
vector.add(rs.getObject(columnIndex));
}
data.add(vector);
}
return new DefaultTableModel(data, columnNames);
}
/**
* Reset All
*/
public void reset() {
sheetNumCb.removeAllItems();
textfilepath.setText("");
sheetNumCb.setEnabled(false);
viewBtn.setEnabled(false);
importBtn.setEnabled(false);
clear.setEnabled(false);
if (pane != null) {
pane.setVisible(false);
pane.removeAll();
}
if (paneT != null) {
paneT.setVisible(false);
paneT.removeAll();
}
connect.setEnabled(true);
}
/**
* Read an input excel file
*/
public void ReadExcelFile() throws FileNotFoundException {
int returnedValue = chooser.showOpenDialog(this);
if (returnedValue == JFileChooser.APPROVE_OPTION) {
File selectedFile = chooser.getSelectedFile();
file = selectedFile.getPath();
String filenamewithext = selectedFile.getName();
String extention = filenamewithext.substring(filenamewithext.indexOf("."), filenamewithext.length());
String filenamewithoutext = filenamewithext.substring(0, filenamewithext.indexOf("."));
if (extention.equals(".csv")) {
System.out.println("here");
file = csvToXLSX(file, filenamewithoutext);
}
textfilepath.setText(file);
try {
mapper = new ExcelToObjectMapper(file);
numberOfSheets = mapper.SheetNumber;
numberOfSheets = numberOfSheets - 1;
for (int i = 0; i < numberOfSheets; i++) {
sheetNumCb.addItem(i + 1 + "");
}
sheetNumCb.addItem("All");
sheetNumCb.setEnabled(true);
viewBtn.setEnabled(true);
importBtn.setEnabled(true);
clear.setEnabled(true);
} catch (InvalidExcelFileException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public static String csvToXLSX(String csvFileAddress, String filenamewithoutext) {
try {
String xlsxFileAddress = filenamewithoutext + ".xlsx"; // xlsx file address
XSSFWorkbook workBook = new XSSFWorkbook();
XSSFSheet sheet = workBook.createSheet("sheet1");
String currentLine = null;
int RowNum = 0;
BufferedReader br = new BufferedReader(new FileReader(csvFileAddress));
while ((currentLine = br.readLine()) != null) {
String str[] = currentLine.split(",");
XSSFRow currentRow = sheet.createRow(RowNum);
for (int i = 0; i < str.length; i++) {
currentRow.createCell(i).setCellValue(str[i]);
}
RowNum++;
}
FileOutputStream fileOutputStream = new FileOutputStream(xlsxFileAddress);
workBook.write(fileOutputStream);
fileOutputStream.close();
return xlsxFileAddress;
} catch (Exception ex) {
System.out.println(ex.getMessage() + "Exception in try");
}
return csvFileAddress;
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
DBExcelImport dbExcelImport = new DBExcelImport();
}
});
}
}