/*
* Created on 20-Aug-2009
* Copyright (C) 2009 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.handlers;
import java.io.File;
import java.io.FileOutputStream;
import org.apache.log4j.Logger;
import org.pdfsam.console.business.ConsoleServicesFacade;
import org.pdfsam.console.business.dto.PageLabel;
import org.pdfsam.console.business.dto.WorkDoneDataModel;
import org.pdfsam.console.business.dto.commands.AbstractParsedCommand;
import org.pdfsam.console.business.dto.commands.PageLabelsParsedCommand;
import org.pdfsam.console.business.pdf.handlers.interfaces.AbstractCmdExecutor;
import org.pdfsam.console.exceptions.console.ConsoleException;
import org.pdfsam.console.exceptions.console.PageLabelsException;
import org.pdfsam.console.utils.FileUtility;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.PdfCopy;
import com.lowagie.text.pdf.PdfPageLabels;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.RandomAccessFileOrArray;
/**
* Executes the page labels command
* @author Andrea Vacondio
*
*/
public class PageLabelsCmdExecutor extends AbstractCmdExecutor {
private static final Logger LOG = Logger.getLogger(PageLabelsCmdExecutor.class.getPackage().getName());
private PdfReader pdfReader = null;
private PdfCopy pdfWriter = null;
public void execute(AbstractParsedCommand parsedCommand) throws ConsoleException {
if((parsedCommand != null) && (parsedCommand instanceof PageLabelsParsedCommand)){
PageLabelsParsedCommand inputCommand = (PageLabelsParsedCommand) parsedCommand;
setPercentageOfWorkDone(0);
Document currentDocument;
try{
File tmpFile = FileUtility.generateTmpFile(inputCommand.getOutputFile());
LOG.debug("Opening "+inputCommand.getInputFile().getFile().getAbsolutePath());
pdfReader = new PdfReader(new RandomAccessFileOrArray(inputCommand.getInputFile().getFile().getAbsolutePath()),inputCommand.getInputFile().getPasswordBytes());
pdfReader.removeUnusedObjects();
pdfReader.consolidateNamedDestinations();
int n = pdfReader.getNumberOfPages();
currentDocument = new Document(pdfReader.getPageSizeWithRotation(1));
pdfWriter = new PdfCopy(currentDocument, new FileOutputStream(tmpFile));
//set compressed
setCompressionSettingOnWriter(inputCommand, pdfWriter);
//set pdf version
setPdfVersionSettingOnWriter(inputCommand, pdfWriter, Character.valueOf(pdfReader.getPdfVersion()));
//set creator
currentDocument.addCreator(ConsoleServicesFacade.CREATOR);
currentDocument.open();
for (int count = 1; count <= n; count++) {
pdfWriter.addPage(pdfWriter.getImportedPage(pdfReader, count));
}
pdfReader.close();
pdfWriter.freeReader(pdfReader);
//set labels
PdfPageLabels pageLabels = new PdfPageLabels();
PageLabel[] labels = inputCommand.getLabels();
//last step is creating the file
int stepsNumber = labels.length + 1;
for(int i=0; i<labels.length; i++){
if(labels[i].getPageNumber()<=n){
pageLabels.addPageLabel(labels[i].getPageNumber(), getPageLabelStyle(labels[i].getStyle()), labels[i].getPrefix(), labels[i].getLogicalPageNumber());
}else{
LOG.warn("Page number out of range, label starting at page "+labels[i].getPageNumber()+" will be ignored");
}
setPercentageOfWorkDone((i*WorkDoneDataModel.MAX_PERGENTAGE)/stepsNumber);
}
pdfWriter.setPageLabels(pageLabels);
currentDocument.close();
pdfWriter.close();
FileUtility.renameTemporaryFile(tmpFile, inputCommand.getOutputFile(), inputCommand.isOverwrite());
LOG.debug("Page labels set on file "+inputCommand.getOutputFile());
}catch(Exception e){
throw new PageLabelsException(e);
}finally{
setWorkCompleted();
}
}else{
throw new ConsoleException(ConsoleException.ERR_BAD_COMMAND);
}
}
/**
* mapping from the console style variable to the iText variable
* @param style
* @return iText style variable
*/
private int getPageLabelStyle(String style){
int retVal = PdfPageLabels.DECIMAL_ARABIC_NUMERALS;
if(PageLabel.ARABIC.equals(style)){
retVal = PdfPageLabels.DECIMAL_ARABIC_NUMERALS;
} else if(PageLabel.EMPTY.equals(style)){
retVal = PdfPageLabels.EMPTY;
} else if(PageLabel.LLETTER.equals(style)){
retVal = PdfPageLabels.LOWERCASE_LETTERS;
} else if(PageLabel.LROMAN.equals(style)){
retVal = PdfPageLabels.LOWERCASE_ROMAN_NUMERALS;
} else if(PageLabel.ULETTER.equals(style)){
retVal = PdfPageLabels.UPPERCASE_LETTERS;
} else if(PageLabel.UROMAN.equals(style)){
retVal = PdfPageLabels.UPPERCASE_ROMAN_NUMERALS;
}
return retVal;
}
public void clean(){
closePdfReader(pdfReader);
closePdfWriter(pdfWriter);
}
}