Read database-writeExcel-readExcel-Write database table

Question

package datamigration;
import java.sql.*;
import java.io.*;
import java.io.IOException;
import jxl.*;
import jxl.Workbook;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.read.biff.BiffException;
public class NewExcel {
//In the following method we will be reading the Table from the Database and write it in an Excel File
public void getDataAndWrite() throws ClassNotFoundException, SQLException, WriteException, IOException {
Connection conn = null; //Manages connection
Statement stmt = null; //Query statement
ResultSet rs = null;
final String driver = "oracle.jdbc.driver.OracleDriver";
final String url = "jdbc:oracle:thin:@inbgewdrnd90hfm:1521:VISUAL"; //This URL will be specific to your Database
WritableWorkbook workbook = null;
workbook = Workbook.createWorkbook(new File("C:\\NewExcel2.xls")); //Again the name of file and its location will be your own
Class.forName(driver);
conn = DriverManager.getConnection(url, "visual", "visual");
stmt = conn.createStatement();
System.out.println("Executing query...");
rs = stmt.executeQuery("select * FROM TRANSACTION"); //the query is selecting everything from TRANSACTION table
WritableSheet sheet = workbook.createSheet("first sheet", 0);
Label FULLTEXT = new Label(0, 0, "FULLNAME");
sheet.addCell(FULLTEXT);
if (rs != null) {
int i = 0;
while (rs.next()) {
i++; //the counter
Label NAMEFULL = new Label(0, i, rs.getString(1)); //getting the values from the Table and appending them in TEXTFULL column
sheet.addCell(TEXTFULL); //adding column to Sheet
workbook.write();
workbook.close();
//Reading the Excel file
public void read(String inputFile) throws IOException, BiffException, ClassNotFoundException, SQLException {
Connection conn = null; //Manages connection
Statement stmt = null; //Query statement
ResultSet rs = null;
final String driver = "oracle.jdbc.driver.OracleDriver";
final String url = "jdbc:oracle:thin:@INBGEWDRND90Hgf:1521:wsa";
Class.forName(driver);
conn = DriverManager.getConnection(url, "corpus", "corpus");
stmt = conn.createStatement();
File inputWorkbook = new File(inputFile);
Workbook w;
w = Workbook.getWorkbook(inputWorkbook);
if (Workbook.getWorkbook(inputWorkbook) != null) {
System.out.println("Got the workbook" + "\n");
} else {
System.out.println("No workbook to print");
//Get the first sheet from the input file which is set earlier
Sheet sheet = w.getSheet(0);
//Set the for loop for reading the rows
for (int i = 0; i < sheet.getRows(); i++) {
String verbatim = sheet.getCell(0, i).getContents();
verbatim = verbatim.replaceAll("'", "''"); //"'" was causing an error so it was handled through"'"
verbatim = verbatim.replaceAll("&", "\\&");
String query = "insert into TRANSACTION (FULLNAME) values ('" + verbatim + "' )";
System.out.println(query);
stmt.executeUpdate(query);
public static void main(String[] args) throws ClassNotFoundException, WriteException, SQLException, IOException, BiffException {
NewExcel migratedata = new NewExcel();
migratedata.getDataAndWrite();
migratedata.read("C:\\NewExcel2.xls");
}

Answer 1

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