ru.green.report.Report.java Source code

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Here is the source code for ru.green.report.Report.java

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/*
 * Copyright 2011 00Green27 <00Green27@gmail.com>
 *
 * This file is part of mDBExplorer.
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This code 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this work.  If not, see http://www.gnu.org/licenses/.
 */

package ru.green.report;

import java.io.FileInputStream;

import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRichTextString;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.CellRangeAddress;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Font;

/**
 * ?? ? xls- ?  
 *
 * @author ehd
 */
public class Report {

    private HSSFWorkbook wb;
    private HSSFCell cell;
    private HSSFCellStyle cellStyle;
    private HSSFCellStyle captionStyle;
    private HSSFSheet sheet;
    private HSSFFont font;

    /**
     *  .
     *
     * @throws IOException
     *              ? 
     */
    public void readTemplate() throws IOException {
        POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream("etc/grid.xlt"));
        wb = new HSSFWorkbook(fs);
        sheet = wb.getSheetAt(0);
        cellStyle = wb.createCellStyle();
        captionStyle = wb.createCellStyle();
        font = wb.createFont();
        createCaptionStyle();
        createCellStyle();
    }

    /**
     *   ?  ?   ? ?
     * ?.
     *
     * @param rowNumber
     *            ? ?.
     * @param cellNumber
     *            ? ?.
     * @param cellValue
     *             ?.
     */
    public void setCell(int rowNumber, int cellNumber, String cellValue) {
        HSSFRow row = createRow(rowNumber);
        cell = row.createCell(cellNumber);
        cell.setCellStyle(cellStyle);
        cell.setCellValue(new HSSFRichTextString(cellValue));
    }

    /**
     *   ?   ?   ? ?
     * ?.
     *
     * @param rowNumber
     *            ? ?.
     * @param cellNumber
     *            ? ?.
     * @param cellValue
     *             ?.
     */
    public void setNumericCell(int rowNumber, int cellNumber, double cellValue) {
        HSSFRow row = createRow(rowNumber);
        cell = row.createCell(cellNumber);
        cell.setCellStyle(cellStyle);
        cell.setCellValue(cellValue);
    }

    public void setFormulaCell(int rowNumber, int cellNumber, String formula) {
        HSSFRow row = createRow(rowNumber);
        cell = row.createCell(cellNumber);
        cell.setCellStyle(cellStyle);
        cell.setCellFormula(formula);

    }

    /**
     *   ?  ?   ? ?
     * ?.
     *
     * @param rowNumber
     *            ? ?.
     * @param cellNumber
     *            ? ?.
     * @param cellValue
     *             ?.
     */
    public void setCell(int rowNumber, int cellNumber, int cellValue) {
        HSSFRow row = createRow(rowNumber);
        cell = row.createCell(cellNumber);
        cell.setCellStyle(cellStyle);
        cell.setCellValue(cellValue);
    }

    /**
     *   ?  ?  .
     *
     * @param rowNumber
     *            ? ?.
     * @param cellNumber
     *            ? ?.
     * @param cellValue
     *             ?.
     */
    public void setMiscCell(int rowNumber, int cellNumber, String cellValue) {
        HSSFRow row = createRow(rowNumber);
        cell = row.createCell(cellNumber);
        cell.setCellValue(new HSSFRichTextString(cellValue));
    }

    public void setCaptionCell(int rowNumber, int cellNumber, String cellValue) {
        HSSFRow row = createRow(rowNumber);
        cell = row.createCell(cellNumber);

        cell.setCellStyle(captionStyle);
        cell.setCellValue(new HSSFRichTextString(cellValue));
    }

    private HSSFRow createRow(int rowNumber) {
        HSSFRow row = null;
        if (sheet.getRow(rowNumber) == null)
            row = sheet.createRow(rowNumber);
        else
            row = sheet.getRow(rowNumber);
        return row;
    }

    /**
     *   ? ? ?.
     */
    private void createCellStyle() {
        cellStyle.setBorderBottom(CellStyle.BORDER_THIN);
        cellStyle.setBorderLeft(CellStyle.BORDER_THIN);
        cellStyle.setBorderRight(CellStyle.BORDER_THIN);
    }

    private void createCaptionStyle() {
        captionStyle.setBorderTop(CellStyle.BORDER_MEDIUM);
        captionStyle.setBorderBottom(CellStyle.BORDER_MEDIUM);
        captionStyle.setBorderLeft(CellStyle.BORDER_MEDIUM);
        captionStyle.setBorderRight(CellStyle.BORDER_MEDIUM);
        captionStyle.setAlignment(CellStyle.ALIGN_CENTER);
        captionStyle.setWrapText(true);
        font.setBoldweight(Font.BOLDWEIGHT_BOLD);
        captionStyle.setFont(font);
    }

    /**
     * ?   .
     *
     * @param file
     *            ? .
     * @throws IOException
     *              ? ? .
     */
    public void write(String file) throws IOException {
        for (int i = 0; i < 256; i++)
            sheet.autoSizeColumn((short) i);
        FileOutputStream output = new FileOutputStream(file);
        wb.write(output);
        output.flush();
        output.close();
    }

    public void addMergedRegion(int lastCol) {
        sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, lastCol - 1));
    }

}