org.bbreak.excella.reports.exporter.OoPdfOutputStreamExporter.java Source code

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Here is the source code for org.bbreak.excella.reports.exporter.OoPdfOutputStreamExporter.java

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/*************************************************************************
 *
 * Copyright 2009 by bBreak Systems.
 *
 * ExCella Reports - Excel??
 *
 * $Id: OoPdfOutputStreamExporter.java 76 2009-10-29 12:34:20Z a-hoshino $
 * $Revision: 76 $
 *
 * This file is part of ExCella Reports.
 *
 * ExCella Reports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * ExCella Reports 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 version 3 for more details
 * (a copy is included in the COPYING.LESSER file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with ExCella Reports.  If not, see
 * <http://www.gnu.org/licenses/lgpl-3.0-standalone.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
package org.bbreak.excella.reports.exporter;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.poi.ss.usermodel.Workbook;
import org.jodconverter.office.OfficeManager;
import org.bbreak.excella.core.BookData;
import org.bbreak.excella.core.exception.ExportException;
import org.bbreak.excella.reports.model.ConvertConfiguration;

/**
 * PDFStream????Exporter
 *
 * @since 1.1
 */
public class OoPdfOutputStreamExporter extends OoPdfExporter {

    /**
     * ?
     */
    private static final String TMP_FILE_PREFIX = "tmp";

    /**
     * ?PDF
     */
    public static final String FORMAT_TYPE = "OUTPUT_STREAM_PDF";

    /**
     * ?PDF
     */
    public static final String EXTENTION = ".pdf";

    /**
     * 
     */
    private static Log log = LogFactory.getLog(OoPdfOutputStreamExporter.class);

    /**
     * 
     */
    private OutputStream outputStream;

    /**
     * 
     *
     * @param outputStream 
     */
    public OoPdfOutputStreamExporter(OutputStream outputStream) {
        this.outputStream = outputStream;
    }

    public OoPdfOutputStreamExporter(OfficeManager officeManager, OutputStream outputStream) {
        super(officeManager);
        this.outputStream = outputStream;
    }

    @Override
    public String getFormatType() {
        return FORMAT_TYPE;
    }

    @Override
    public void output(Workbook book, BookData bookdata, ConvertConfiguration configuration)
            throws ExportException {
        if (log.isInfoEnabled()) {
            log.info("??" + outputStream.getClass().getCanonicalName() + "????");
        }

        // ?
        int point = getFilePath().indexOf(EXTENTION);
        StringBuffer sb = new StringBuffer(getFilePath());
        sb.insert(point, TMP_FILE_PREFIX);
        String tmpFilePath = sb.toString();
        setFilePath(tmpFilePath);

        // ?PDF???
        super.output(book, bookdata, configuration);

        File pdfFile = new File(getFilePath());

        // ?Stream????
        BufferedInputStream in = null;
        BufferedOutputStream out = null;
        try {
            in = new BufferedInputStream(new FileInputStream(pdfFile));
            out = new BufferedOutputStream(outputStream);
            int b;

            while ((b = in.read()) != -1) {
                out.write(b);
            }
        } catch (IOException e) {
            throw new ExportException(e);
        } finally {
            try {
                if (in != null) {
                    in.close();
                }
                if (out != null) {
                    out.close();
                }
            } catch (IOException e) {
                throw new ExportException(e);
            } finally {
                // PDF?
                pdfFile.delete();
            }
        }
    }
}