net.sf.mpxj.synchro.UnknownBlockReader Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of mpxj Show documentation

Library that provides facilities to allow project information to be manipulated in Java and .Net. Supports a range of data formats: Microsoft Project Exchange (MPX), Microsoft Project (MPP,MPT), Microsoft Project Data Interchange (MSPDI XML), Microsoft Project Database (MPD), Planner (XML), Primavera (PM XML, XER, and database), Asta Powerproject (PP, MDB), Asta Easyplan (PP), Phoenix Project Manager (PPX), FastTrack Schedule (FTS), and the Standard Data Exchange Format (SDEF).

The newest version!

/*
 * file:       UnknownBlockReader.java
 * author:     Jon Iles
 * copyright:  (c) Packwood Software 2018
 * date:       2018-10-11
 */

/*
 * 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; either version 2.1 of the License, or (at your
 * option) any later version.
 *
 * 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.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

package net.sf.mpxj.synchro;

import java.io.IOException;
import java.util.List;
import java.util.Map;

/**
 * Generic reader allowing blocks whose content is unknown to be read.
 */
class UnknownBlockReader extends BlockReader
{
   /**
    * Constructor.
    *
    * @param stream input stream
    * @param size block size
    */
   public UnknownBlockReader(StreamReader stream, int size)
   {
      super(stream);
      m_size = size;
   }

   @Override public List read() throws IOException
   {
      int header = m_stream.readInt();
      if (header != 0x06A1BCD0)
      {
         throw new IllegalArgumentException("Unexpected file format");
      }

      List blocks = super.read();

      m_stream.readInt();

      return blocks;
   }

   @Override protected void readBlock(Map map) throws IOException
   {
      map.put("UNKNOWN", m_stream.readBytes(m_size));
   }

   private final int m_size;
}