Package org.exoplatform.services.document.impl

Source Code of org.exoplatform.services.document.impl.MSWordDocumentReader

/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.document.impl;

import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.usermodel.Range;
import org.exoplatform.services.document.DocumentReadException;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
* Created by The eXo Platform SAS A parser of Microsoft Word files.
*
* @author <a href="mailto:phunghainam@gmail.com">Phung Hai Nam</a>
* @author Gennady Azarenkov
* @version Oct 19, 2005
*/
public class MSWordDocumentReader extends BaseDocumentReader
{

   /**
    * Get the application/msword mime type.
    *
    * @return The application/msword mime type.
    */
   public String[] getMimeTypes()
   {
      return new String[]{"application/msword", "application/msworddoc", "application/msworddot"};
   }

   /**
    * Returns only a text from .doc file content.
    *
    * @param is an input stream with .doc file content.
    * @return The string only with text from file content.
    */
   public String getContentAsText(InputStream is) throws IOException, DocumentReadException
   {
      if (is == null)
      {
         throw new NullPointerException("InputStream is null.");
      }
      String text = "";
      try
      {
         HWPFDocument doc;
         try
         {
            doc = new HWPFDocument(is);
         }
         catch (IOException e)
         {
            return "";
         }

         Range range = doc.getRange();
         text = range.text();
      }
      finally
      {
         if (is != null)
            try
            {
               is.close();
            }
            catch (IOException e)
            {
            }
      }
      return text.trim();
   }

   public String getContentAsText(InputStream is, String encoding) throws IOException, DocumentReadException
   {
      // Ignore encoding
      return getContentAsText(is);
   }

   /*
    * (non-Javadoc)
    *
    * @see org.exoplatform.services.document.DocumentReader#getProperties(java.io.
    *      InputStream)
    */
   public Properties getProperties(InputStream is) throws IOException, DocumentReadException
   {
      POIPropertiesReader reader = new POIPropertiesReader();
      reader.readDCProperties(is);
      return reader.getProperties();
   }

}
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