org.kopsox.spreadsheet.data.excel.ExcelWorkbook.java Source code

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Here is the source code for org.kopsox.spreadsheet.data.excel.ExcelWorkbook.java

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/**
 * KSpreadsheet
 * Copyright (C) 2010 Free Software Foundation, Inc. <http://fsf.org/>
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kopsox.spreadsheet.data.excel;

import java.io.IOException;
import java.io.OutputStream;

import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.kopsox.spreadsheet.data.Sheet;
import org.kopsox.spreadsheet.data.common.AbstractWorkbook;

/**
 * 
 * @author Konrad Renner
 */
public final class ExcelWorkbook extends AbstractWorkbook {

    private final HSSFWorkbook workbook;

    public ExcelWorkbook(final String name, final HSSFWorkbook wb) {
        super(name);
        this.workbook = wb;
    }

    /* (non-Javadoc)
     * @see org.kopsox.spreadsheet.data.Workbook#createNewSheet()
     */
    @Override
    public Sheet createNewSheet() {

        HSSFSheet newSheet = workbook.createSheet();

        ExcelSheet es = new ExcelSheet(this, newSheet, newSheet.getSheetName(), workbook.getSheetIndex(newSheet));

        registerSheet(newSheet.getSheetName(), es);

        return es;
    }

    /* (non-Javadoc)
     * @see org.kopsox.spreadsheet.data.Workbook#createNewSheet(java.lang.String)
     */
    @Override
    public Sheet createNewSheet(String name) {
        HSSFSheet newSheet = workbook.createSheet(name);

        ExcelSheet es = new ExcelSheet(this, newSheet, newSheet.getSheetName(), workbook.getSheetIndex(newSheet));

        registerSheet(name, es);

        return es;
    }

    /* (non-Javadoc)
     * @see org.kopsox.spreadsheet.data.Workbook#getNumberOfSheets()
     */
    @Override
    public int getNumberOfSheets() {
        return workbook.getNumberOfSheets();
    }

    /* (non-Javadoc)
     * @see org.kopsox.spreadsheet.data.Workbook#getSelectedSheetIndex()
     */
    @Override
    public int getSelectedSheetIndex() {
        return workbook.getActiveSheetIndex();
    }

    /* (non-Javadoc)
     * @see org.kopsox.spreadsheet.data.Workbook#getSheetByName(java.lang.String)
     */
    @Override
    public Sheet getSheetByName(String name) {
        if (name == null) {
            return null;
        }

        if (!containsSheet(name)) {
            HSSFSheet sheet = workbook.getSheet(name);

            if (sheet == null) {
                return null;
            }

            registerSheet(name, new ExcelSheet(this, sheet, sheet.getSheetName(), workbook.getSheetIndex(sheet)));
        }

        return getSheet(name);
    }

    /* (non-Javadoc)
     * @see org.kopsox.spreadsheet.data.Workbook#getSheetByIndex(int)
     */
    @Override
    public Sheet getSheetByIndex(int number) {

        String name = workbook.getSheetName(number);

        return getSheetByName(name);
    }

    /* (non-Javadoc)
     * @see org.kopsox.spreadsheet.data.Workbook#setSelectedSheet(int)
     */
    @Override
    public void setSelectedSheet(int index) {
        workbook.setActiveSheet(index);
    }

    /* (non-Javadoc)
     * @see org.kopsox.spreadsheet.data.Workbook#save(OutputStream)
     */
    @Override
    public void save(OutputStream stream) throws IOException {
        if (stream != null) {
            workbook.write(stream);
        } else {
            throw new IllegalArgumentException("Stream is null, so it is not possible to save the content");
        }
    }
}