android操作excel

厳密には転載して、書き直して、readXLSXとwriteXLSはテストを経て

import java.io.File;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

import android.util.Xml;
import org.xmlpull.v1.XmlPullParser;

import jxl.Cell;
import jxl.CellType;
import jxl.DateCell;
import jxl.NumberCell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;

public class UtilXlsParser {
    private static final int DEFAULT_SHEET = 0;
    
    public static String readXLS(String path) {
        String str = "";
        
        try {
            Workbook workbook =  Workbook.getWorkbook(new File(path));
            Sheet sheet = workbook.getSheet(0);
            int columnCount = sheet.getColumns();
            int rowCount = sheet.getRows();

            Cell cell = null;
            for (int i = 0; i < rowCount; i++) {
                for (int j = 0; j < columnCount; j++) {
                    cell = sheet.getCell(j, i);
                    String temp2 = "";
                    if (cell.getType() == CellType.NUMBER) {
                        temp2 = ((NumberCell) cell).getValue() + "";
                    } else if (cell.getType() == CellType.DATE) {
                        temp2 = "" + ((DateCell) cell).getDate();
                    } else {
                        temp2 = "" + cell.getContents();
                    }
                    str = str + "  " + temp2;
                }
                str += "
";
            }
            workbook.close();
        } catch (Exception e) {
        }
        
        return str;
    }

    public static List<ArrayList<String>> readXLSX(String path) {
        String v = null;
        List<String> list = new ArrayList<String>();
        List<ArrayList<String>> table = new ArrayList<ArrayList<String>>();
        
        try {
            ZipFile file = new ZipFile(new File(path));
            
            ZipEntry sharedStringXML = file.getEntry("xl/sharedStrings.xml");
            InputStream inputStream = file.getInputStream(sharedStringXML);
            XmlPullParser parser = Xml.newPullParser();
            parser.setInput(inputStream, "utf-8");
            int event = parser.getEventType();
            while (event != XmlPullParser.END_DOCUMENT) {
                switch (event) {
                    case XmlPullParser.START_TAG:
                        String tag = parser.getName();
                        if (tag.equalsIgnoreCase("t")) {
                            list.add(parser.nextText());
                        }
                        break;
                    case XmlPullParser.END_TAG:
                        break;
                    default:
                        break;                              
                }
                
                event = parser.next();
            }
            
            ZipEntry sheetXML = file.getEntry("xl/worksheets/sheet1.xml");
            InputStream inputStreamsheet = file.getInputStream(sheetXML);
            parser = Xml.newPullParser();
            parser.setInput(inputStreamsheet, "utf-8");
            event = parser.getEventType();

            ArrayList<String> row = null;
            boolean isText = false;
            while (event != XmlPullParser.END_DOCUMENT) {
                
                switch (event) {
                    case XmlPullParser.START_TAG:
                        String tag = parser.getName();
                        
                        if (tag.equalsIgnoreCase("row")) {
                            row = new ArrayList<String>();
                            table.add(row);
                        } else if (tag.equalsIgnoreCase("c")) {
                            String t = parser.getAttributeValue(null, "t");
                            
                            if (t != null) {
                                isText = true;
                            } else {
                                isText = false;
                            }
                        } else if (tag.equalsIgnoreCase("v")) {
                            String cell = parser.nextText();
                            
                            if (cell != null) {
                                if (isText) {
                                    row.add(list.get(Integer.parseInt(cell)));
                                } else {
                                    row.add(cell);
                                }
                            }
                        }
                        break;
                    case XmlPullParser.END_TAG:
                        if (parser.getName().equalsIgnoreCase("row") && v != null) {
                        }
                        break;
                }
                
                event = parser.next();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        return table;
    }
    
    public static int writeXLS( String path, List<ArrayList<String>> table ) {
        File file = createXLS(path);
        
        if ( file==null ) {
        	return CREATE_FAIL;
        } else {
            return addData( file,table );
        }
    }

    private static File createXLS(String path) {      
        File file = null;  
        
        try {  
            file=new File(path);  

            WritableWorkbook book = Workbook.createWorkbook(file);  
            WritableSheet sheet = book.createSheet("task", DEFAULT_SHEET);  

            book.write();  
            book.close();

        } catch (Exception e) {  
            e.printStackTrace();  
        } finally {
            return file;
        } 
    }  
    
    private static int addData( File file, List<ArrayList<String>> table ){  
        try {  
            Workbook wb = Workbook.getWorkbook(file);   
            
            WritableWorkbook book= Workbook.createWorkbook(file,wb);   
            WritableSheet sheet = book.getSheet(DEFAULT_SHEET);  

            for(int task=0; task<table.size(); task++) {
                List<String> attrs = table.get(task);
                
                for(int attr=0; attr<attrs.size(); attr++) {
                    Label label = new Label( attr, task, attrs.get(attr) );  
                    sheet.addCell(label);  
                }
            }
            
            book.write();  
            book.close();  

            return 0;
        } catch (Exception e) {  
            e.printStackTrace(); 
            return ADD_DATA_FAIL;
        }   
    }  

    public static final int CREATE_FAIL = -1;
    public static final int ADD_DATA_FAIL = -2;
}