jxl : Get entire column data in xls sheet

Step 1: Get the sheet reference.

Step 2: Get each cell in that column and add it to list and return.

for(int row=0; row<sheet.getRows(); row++){

        list.add(sheet.getCell(column, row));

}

You can get sample xls sheet here

public class NoSheetWithGivenNameException extends RuntimeException{
    NoSheetWithGivenNameException(String name){
        super("No xls sheet with given name " + name);
    }
}

public class SheetColumnExceedException extends RuntimeException{
    SheetColumnExceedException(int totallColumns, int askingForColumn){
        super("Total columns are : " + totallColumns + " application looking for column " + askingForColumn);
    }
}

public class SheetIndexOutOfBoundsException extends RuntimeException{

    SheetIndexOutOfBoundsException(int index, int actual){
        super("looking for sheet : " + (index+1) + " but actual sheets are : " + actual);
    }
}

public class SheetRowExceedException extends RuntimeException{
    
    SheetRowExceedException(int totalRows, int askingForRow){
        super("Total rows are : " + totalRows + " application looking for row " + askingForRow);
    }

}

public class WorkBookNotInitializedException extends RuntimeException{

    WorkBookNotInitializedException(){
        super("work book is not initialized");
    }
}

import java.io.File;
import java.io.IOException;
import jxl.*;
import jxl.read.biff.BiffException;
import java.util.List;
import java.util.ArrayList;

public class XLSUtils {

    private Workbook workbook = null;

    public XLSUtils(String path){
        try {
            workbook = Workbook.getWorkbook(new File(path));
        } catch (IOException ex) {
            ex.printStackTrace();
        } catch (BiffException ex) {
            ex.printStackTrace();
        }
    }

    private void checkWorkbookInitialized(){
        if(workbook == null)
            throw new WorkBookNotInitializedException();
    }
    
    public int getNoOfSheets(){
        checkWorkbookInitialized();
        return workbook.getNumberOfSheets();
    }

    public void closeWorkbook(){
        checkWorkbookInitialized();
        workbook.close();
    }

    public Sheet getSheet(int index){
        checkWorkbookInitialized();
        if(index >= workbook.getNumberOfSheets())
            throw new SheetIndexOutOfBoundsException(index, workbook.getNumberOfSheets());
        
        return workbook.getSheet(index);
    }

    public Sheet getSheet(String name){
        checkWorkbookInitialized();
        Sheet sheet = workbook.getSheet(name);
        if(sheet == null)
            throw new NoSheetWithGivenNameException(name);
        return sheet;
    }

    public String[] getSheetNames(){
        checkWorkbookInitialized();
        return workbook.getSheetNames();
    }

    public int getNumberOfRows(Sheet sheet){
        checkWorkbookInitialized();
        return sheet.getRows();
    }

    public int getNumberOfColumns(Sheet sheet){
        checkWorkbookInitialized();
        return sheet.getColumns();
    }

    public int getNumberOfRows(int sheetIndex){
        Sheet sheet = getSheet(sheetIndex);
        return getNumberOfRows(sheet);
    }

    public int getNumberOfRows(String sheetName){
        Sheet sheet = getSheet(sheetName);
        return getNumberOfRows(sheet);
    }

    public int getNumberOfColumns(int sheetIndex){
         Sheet sheet = getSheet(sheetIndex);
         return getNumberOfColumns(sheet);
    }

    public int getNumberOfColumns(String sheetName){
         Sheet sheet = getSheet(sheetName);
         return getNumberOfColumns(sheet);
    }

    public Cell getCell(int sheetIndex, int column, int row){
        Sheet sheet = getSheet(sheetIndex);
        return getCell(sheet, column, row);
    }

    public Cell getCell(String sheetName, int column, int row){
        Sheet sheet = getSheet(sheetName);
        return getCell(sheet, column, row);
        
    }

    public Cell getCell(Sheet sheet, int column, int row){
        int actualColumns = sheet.getColumns()-1;
        int actualRows = sheet.getRows() - 1;
        
        if(column > actualColumns)
            throw new SheetColumnExceedException(actualColumns, column);

        if(row > actualRows)
            throw new SheetColumnExceedException(actualRows, row);

        return sheet.getCell(column, row);
    }

    public Cell getCell(int sheetIndex, String loc){
        Sheet sheet = getSheet(sheetIndex);
        return getCell(sheet, loc);
    }

    public Cell getCell(String sheetName, String loc){
        Sheet sheet = getSheet(sheetName);
        return getCell(sheet, loc);
    }

    public Cell getCell(Sheet sheet, String loc){
        return sheet.getCell(loc);
    }

    List<Cell> getEntireRow(int sheetIndex, int row){
        Sheet sheet = getSheet(sheetIndex);
        return getEntireRow(sheet, row);
    }

    List<Cell> getEntireRow(String sheetName, int row){
        Sheet sheet = getSheet(sheetName);
        return getEntireRow(sheet, row);
    }

    List<Cell> getEntireRow(Sheet sheet, int row){
        int totalRows = sheet.getRows()-1;
        if(row > totalRows)
            throw new SheetRowExceedException(totalRows, row);
        List<Cell> list = new ArrayList<Cell> ();

        for(int column=0; column< sheet.getColumns(); column++){
            list.add(sheet.getCell(column, row));
        }
        return list;
    }

    List<Cell> getEntireColumn(int sheetIndex, int column){
        Sheet sheet = getSheet(sheetIndex);
        return getEntireColumn(sheet, column);
    }

    List<Cell> getEntireColumn(String sheetName, int column){
        Sheet sheet = getSheet(sheetName);
        return getEntireColumn(sheet, column);
    }

    List<Cell> getEntireColumn(Sheet sheet, int column){
        int totalColumns = sheet.getColumns()-1;
        if(column > totalColumns)
            throw new SheetColumnExceedException(totalColumns, column);
        
        List<Cell> list = new ArrayList<Cell> ();

        for(int row=0; row<sheet.getRows(); row++){
            list.add(sheet.getCell(column, row));
        }
        return list;
    }
    
}

import jxl.*;
import java.util.List;

public class TestUtils {
    public static void main(String[] args) {
        XLSUtils util = new XLSUtils("D:\\data.xls");

        System.out.println("Last names of employees are");
        System.out.println("----------------------------");
        List<Cell> list = util.getEntireColumn("employee", 2);

        for(Cell cell : list){
            System.out.println(cell.getContents() + " ");
        }
        
        util.closeWorkbook();
    }
}

Output

Last names of employees are
----------------------------
Nayan 
Gurram 
Battu 
Gera 
Chinnayappayan 
Sriram 
Jeorge 
Nalasani

 

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