Java tutorial
/* * 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); } }