it.pdfsam.console.tools.pdf.writers.PdfSimpleConcatenator.java Source code

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Here is the source code for it.pdfsam.console.tools.pdf.writers.PdfSimpleConcatenator.java

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/*
 * Created on 17-Apr-2007
 * Copyright (C) 2006 by Andrea Vacondio.
 *
 * 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 it.pdfsam.console.tools.pdf.writers;

import it.pdfsam.console.interfaces.PdfConcatenator;

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

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

/**
 * Simple concatenator. Uses PdfCopy.
 * @author a.vacondio
 * @see it.pdfsam.console.interfaces.PdfConcatenator
 */
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();
        }
    }

    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();
    }

}