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Thread: how to read chinese data from excel to java

  1. #1
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    Default how to read chinese data from excel to java

    while iam reading data from excel to java, iam getting question marks.
    iam using workbook
    code is as follows

    while (rows.hasNext()) {
     
    				boolean isRecordExist = false;
    				HSSFRow row = (HSSFRow) rows.next();
     
    				if (row.getRowNum() == 0) {
    					continue;
    				}
     
    				String key = row.getCell((short) 0).getStringCellValue();
    				if(key.trim().length() == 0){
    					continue;
    				}
     
    				String value = row.getCell((short) 1).getStringCellValue();


  2. #2
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    Default Re: how to read chinese data from excel to java

    Hello swapna.

    Welcome to the Java Programming Forums.

    Can you please post all of your code and also attach an example spread sheet with the Chinese writing?
    I would like to test this.
    Please use [highlight=Java] code [/highlight] tags when posting your code.
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  3. #3
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    Default Re: how to read chinese data from excel to java

    package com.i18n.action;
     
    import java.io.FileOutputStream;
    import java.util.ArrayList;
    import java.util.Date;
    import java.util.HashMap;
    import java.util.HashSet;
    import java.util.Iterator;
    import java.util.List;
    import java.util.Map;
    import java.util.Set;
     
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
     
    import org.apache.poi.hssf.usermodel.HSSFRow;
    import org.apache.poi.hssf.usermodel.HSSFSheet;
    import org.apache.poi.hssf.usermodel.HSSFWorkbook;
    import org.apache.struts.action.Action;
    import org.apache.struts.action.ActionForm;
    import org.apache.struts.action.ActionForward;
    import org.apache.struts.action.ActionMapping;
    import org.apache.struts.upload.FormFile;
    import org.hibernate.Query;
    import org.hibernate.Session;
    import org.hibernate.SessionFactory;
    import org.hibernate.Transaction;
     
    import com.i18n.exception.FileUploadException;
    import com.i18n.formbean.FileUploadForm;
    import com.i18n.persistance.Label;
    import com.i18n.util.HibernatePlugIn;
     
    public class FileUploadAction extends Action {
     
    	public ActionForward execute(ActionMapping mapping, ActionForm form,
    			HttpServletRequest request, HttpServletResponse response)
    			throws Exception {
     
    		FileUploadForm uploadForm = (FileUploadForm) form;
    		FileOutputStream outputStream = null;
    		FormFile formFile = null;
    		try {
     
    			formFile = uploadForm.getTheFile();
    			saveRecords(uploadForm,request);
     
    		} catch (Exception e) {
    			throw new FileUploadException();
    		}
     
    		finally {
    			if (outputStream != null) {
    				outputStream.close();
    			}
    		}
    		request.setAttribute("tabindex", "2");
    		return mapping.findForward("index");
    	}
     
    	private void saveRecords(FileUploadForm uploadForm, HttpServletRequest request) throws Exception {
     
    		// Create an excel workbook from the file system.
    		//
    		FormFile formFile = uploadForm.getTheFile();
     
     
    		HSSFWorkbook workbook = new HSSFWorkbook(formFile.getInputStream());
    		//
    		// Get the first sheet on the workbook.
    		//
    		HSSFSheet sheet = workbook.getSheetAt(0);
    		//
    		// When we have a sheet object in hand we can iterator on
    		// each sheet's rows and on each row's cells. We store the
    		// data read on an ArrayList so that we can printed the
    		// content of the excel to the console.
    		//
     
    		Iterator rows = sheet.rowIterator();
    		SessionFactory factory = null;
    		Session session = null;
    		Label label = null;
    		List duplicateLabelList = new ArrayList();
    		Map newLabelMap = new HashMap();
    		Set s = new HashSet();
    		try {
     
    			while (rows.hasNext()) {
     
    				boolean isRecordExist = false;
    				HSSFRow row = (HSSFRow) rows.next();
     
    				if (row.getRowNum() == 0) {
    					continue;
    				}
     
    				String key = row.getCell((short) 0).getStringCellValue();
    				if(key.trim().length() == 0){
    					continue;
    				}
     
    				String value = row.getCell((short) 1).getStringCellValue();
     
     
    				// create persistance object to save data
     
    				/*
    				 * query to find label is exist if exist update the label else
    				 * create new label and save the record
    				 */
    				// get the sesionfactory from servlet context
    				factory = (SessionFactory) servlet.getServletContext().getAttribute(
    						HibernatePlugIn.SESSION_FACTORY_KEY);
    				// create session object
    				session = factory.openSession();
     
    				// create the transaction object
    				Transaction tx = session.beginTransaction();
    				Query query = session
    						.createQuery("from Label label where label.msg_Key =:param1");
    				query.setString("param1", key);
    				List labelList = query.list();
     
    				// check whether the record exist
     
    				if (labelList.size() != 0) {
    					// if exist get the record and set the new value for update
    					label = (Label) labelList.get(0);
    					label.setModified_Date(new Date());
    					isRecordExist = true;
     
     
    				} else {
    					// if not exist create the new record
    					label = new Label();
    					label.setMsg_Key(key);
    					label.setCreated_Date(new Date());
    				}
     
    				// get the languget from form object
    				int lang_val = Integer.parseInt(uploadForm.getLanguage());
     
    				/*
    				 * select the language to which the label should add
    				 */
     
    				switch (lang_val) {
     
    				case 1:
    					label.setEnglish_Msg(value);
    					break;
     
    				case 2:
    					label.setFrench_Msg(value);
    					break;
     
    				case 3:
    					label.setGerman_Msg(value);
    					break;
    				case 4:
    					label.setDutch_Msg(value);
    					break;
    				case 5:
    					label.setSpanish_Msg(value);
    					break;
    				case 6:
    					label.setItaly_Msg(value);
    					break;
    				case 7:
    					label.setJapan_Msg(value);
    					break;
    				case 8:
    					label.setKorea_Msg(value);
    					break;
    				case 9:
    					label.setPortuguese_Msg(value);
    					break;
    				case 10:
    					label.setChinese_Msg(value);
    					break;
    				case 11:
    					label.setChineseTraditional_Msg(value);
    					break;
    				}
     
    				// check if record exist
    				if (isRecordExist) {
    					// if yes update the record
    					session.update(label);
    					System.out.println("updating record is " + label.getMsg_Key());
     
     
    				} else {
    					// else save the new record
    					//session.save(label);
    					newLabelMap.put(label.getMsg_Key(), label);
    					System.out.println("new record is " + label.getMsg_Key());
    				}
     
    				tx.commit();
     
    				if(!s.contains(key)){
    					s.add(key);
    				}else{
    					duplicateLabelList.add(label);
    				}
     
    			}// end of rows iteration
    			request.setAttribute("DuplicateLabelList", duplicateLabelList);
    			request.setAttribute("NewLabelList", newLabelMap.values());
    			request.getSession().setAttribute("NewLabelsMap", newLabelMap);
     
    		} catch (Exception e) {
     
    			e.printStackTrace();
     
    			throw e;
     
    		} finally {
     
    			session.close();
     
    		}
    	}
     
    }

  4. #4
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    Default Re: how to read chinese data from excel to java

    copy & paste following chinese characters in the excel sheet
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    Default Re: how to read chinese data from excel to java

    swapna, did you ever get this figured out?

  6. #6
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    Default Re: how to read chinese data from excel to java

    Well, this topic doesn't relate in this section, instead move it to the J2EE section.

    And if you are finding ? instead of characters, it clearly means that, it is not getting the correct unicodes from the excel sheet. Well, i will recommend you to try making an ArrayList of Chinese Characters UniCodes, get a character from excel sheet, compare it with the unicodes in the arraylist and map them to your output.

    I have tried this an year ago. Problem was somehow different but related to localization.

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