Package org.pdfsam.console.business.pdf.writers

Source Code of org.pdfsam.console.business.pdf.writers.PdfSimpleConcatenator

/*
* Created on 17-Apr-2007
* Copyright (C) 2007 by Andrea Vacondio.
*
* This library is provided under dual licenses.
* You may choose the terms of the Lesser General Public License version 2.1 or the General Public License version 2
* License at your discretion.
*
*
* This library 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;
* version 2.1 of the License.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*
*
*
* This program 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 2 of the License.
*
* 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 General Public License for more details.
* You should have received a copy of the GNU General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
*  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

*/
package org.pdfsam.console.business.pdf.writers;

import java.io.OutputStream;
import java.util.List;

import org.pdfsam.console.business.pdf.writers.interfaces.PdfConcatenator;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.PdfCopy;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStream;

/**
* Simple concatenator. Uses PdfCopy.
*
* @author a.vacondio
*/
public class PdfSimpleConcatenator implements PdfConcatenator {

    private PdfCopy writer;

    public PdfSimpleConcatenator(Document document, OutputStream os) throws DocumentException {
        writer = new PdfCopy(document, os);
    }

    /**
     *
     * @param document
     * @param os
     * @param compressed
     *            If true creates a compressed pdf document
     * @throws DocumentException
     */
    public PdfSimpleConcatenator(Document document, OutputStream os, boolean compressed) throws DocumentException {
        this(document, os);
        if (compressed) {
            writer.setFullCompression();
            writer.setCompressionLevel(PdfStream.BEST_COMPRESSION);
        }
    }

    public void addDocument(PdfReader reader, String ranges) throws Exception {
        if (reader != null) {
            reader.selectPages(ranges);
            addDocument(reader);
        } else {
            throw new DocumentException("Reader is null");
        }
    }

    public void addDocument(PdfReader reader) throws Exception {
        if (reader != null) {
            int numPages = reader.getNumberOfPages();
            for (int count = 1; count <= numPages; count++) {
                writer.addPage(writer.getImportedPage(reader, count));
            }
        } else {
            throw new DocumentException("Reader is null");
        }
    }

    public void freeReader(PdfReader reader) throws Exception {
        writer.freeReader(reader);
    }

    public void setOutlines(List outlines) {
        writer.setOutlines(outlines);
    }

    public void close() {
        writer.close();
    }

    public void setPdfVersion(char pdfVersion) {
        writer.setPdfVersion(pdfVersion);
    }

}
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