Package org.pdfsam.console.business.pdf.handlers

Source Code of org.pdfsam.console.business.pdf.handlers.DocumentInfoCmdExecutor

/*
* Created on 06-Nov-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 java.util.HashMap;

import org.apache.log4j.Logger;
import org.pdfsam.console.business.ConsoleServicesFacade;
import org.pdfsam.console.business.dto.commands.AbstractParsedCommand;
import org.pdfsam.console.business.dto.commands.DocumentInfoParsedCommand;
import org.pdfsam.console.business.pdf.handlers.interfaces.AbstractCmdExecutor;
import org.pdfsam.console.exceptions.console.ConsoleException;
import org.pdfsam.console.utils.FileUtility;

import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
import com.lowagie.text.pdf.RandomAccessFileOrArray;

/**
* Executor for the set document info command
* @author Andrea Vacondio
*/
public class DocumentInfoCmdExecutor extends AbstractCmdExecutor {

  private static final Logger LOG = Logger.getLogger(DocumentInfoCmdExecutor.class.getPackage().getName());

  private static final String TITLE = PdfName.decodeName(PdfName.TITLE.toString());
  private static final String AUTHOR = PdfName.decodeName(PdfName.AUTHOR.toString());
  private static final String SUBJECT = PdfName.decodeName(PdfName.SUBJECT.toString());
  private static final String KEYWORDS = PdfName.decodeName(PdfName.KEYWORDS.toString());

  private PdfReader pdfReader = null;
  private PdfStamper pdfStamper = null;

  public void execute(AbstractParsedCommand parsedCommand) throws ConsoleException {
    if ((parsedCommand != null) && (parsedCommand instanceof DocumentInfoParsedCommand)) {
      DocumentInfoParsedCommand inputCommand = (DocumentInfoParsedCommand) parsedCommand;
      setPercentageOfWorkDone(0);
      try {
        File tmpFile = FileUtility.generateTmpFile(inputCommand.getOutputFile());
        pdfReader = new PdfReader(new RandomAccessFileOrArray(inputCommand.getInputFile().getFile().getAbsolutePath()), inputCommand
            .getInputFile().getPasswordBytes());
        pdfReader.removeUnusedObjects();
        pdfReader.consolidateNamedDestinations();

        // version
        LOG.debug("Creating a new document.");
        Character pdfVersion = inputCommand.getOutputPdfVersion();
        if (pdfVersion != null) {
          pdfStamper = new PdfStamper(pdfReader, new FileOutputStream(tmpFile), inputCommand.getOutputPdfVersion().charValue());
        } else {
          pdfStamper = new PdfStamper(pdfReader, new FileOutputStream(tmpFile), pdfReader.getPdfVersion());
        }

        HashMap meta = pdfReader.getInfo();
        meta.put("Creator", ConsoleServicesFacade.CREATOR);
        if (inputCommand.getAuthor() != null) {
          meta.put(AUTHOR, inputCommand.getAuthor());
        }
        if (inputCommand.getSubject() != null) {
          meta.put(SUBJECT, inputCommand.getSubject());
        }
        if (inputCommand.getTitle() != null) {
          meta.put(TITLE, inputCommand.getTitle());
        }
        if (inputCommand.getKeywords() != null) {
          meta.put(KEYWORDS, inputCommand.getKeywords());
        }

        setCompressionSettingOnStamper(inputCommand, pdfStamper);

        pdfStamper.setMoreInfo(meta);
        pdfStamper.close();
        pdfReader.close();

        FileUtility.renameTemporaryFile(tmpFile, inputCommand.getOutputFile(), inputCommand.isOverwrite());
        LOG.debug("File " + inputCommand.getOutputFile().getCanonicalPath() + " created.");

      } catch (Exception e) {
        throw new ConsoleException(e);
      } finally {
        setWorkCompleted();
      }
    } else {
      throw new ConsoleException(ConsoleException.ERR_BAD_COMMAND);
    }

  }

  public void clean(){
    closePdfReader(pdfReader);
    closePdfStamper(pdfStamper);
  }
}
TOP

Related Classes of org.pdfsam.console.business.pdf.handlers.DocumentInfoCmdExecutor

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.