net.sf.mpxj.mpp.MPP9CalendarFactory Maven / Gradle / Ivy

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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).

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/*
 * file:       MPP9CalendarFactory.java
 * author:     Jon Iles
 * copyright:  (c) Packwood Software 2017
 * date:       2017-10-04
 */

/*
 * 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.mpp;

import java.io.IOException;
import java.time.LocalDate;
import java.time.LocalTime;
import java.time.temporal.ChronoUnit;

import net.sf.mpxj.LocalTimeRange;
import net.sf.mpxj.common.LocalDateHelper;
import org.apache.poi.poifs.filesystem.DirectoryEntry;
import org.apache.poi.poifs.filesystem.DocumentEntry;
import org.apache.poi.poifs.filesystem.DocumentInputStream;

import net.sf.mpxj.ProjectCalendar;
import net.sf.mpxj.ProjectCalendarException;
import net.sf.mpxj.ProjectFile;

/**
 * MPP9-specific calendar factory.
 */
class MPP9CalendarFactory extends AbstractCalendarFactory
{
   /**
    * Constructor.
    *
    * @param file parent ProjectFile instance
    */
   public MPP9CalendarFactory(ProjectFile file)
   {
      super(file);
   }

   @Override protected int getCalendarIDOffset()
   {
      return 0;
   }

   @Override protected int getBaseIDOffset()
   {
      return 4;
   }

   @Override protected int getResourceIDOffset()
   {
      return 8;
   }

   @Override protected int getCalendarHoursOffset()
   {
      return 4;
   }

   @Override protected Integer getCalendarNameVarDataType()
   {
      return CALENDAR_NAME;
   }

   @Override protected Integer getCalendarDataVarDataType()
   {
      return CALENDAR_DATA;
   }

   @Override protected VarMeta getCalendarVarMeta(DirectoryEntry directory) throws IOException
   {
      return new VarMeta9(new DocumentInputStream(((DocumentEntry) directory.getEntry("VarMeta"))));
   }

   /**
    * This method extracts any exceptions associated with a calendar.
    *
    * @param data calendar data block
    * @param cal calendar instance
    */
   @Override protected void processCalendarExceptions(byte[] data, ProjectCalendar cal)
   {
      //
      // Handle any exceptions
      //
      int exceptionCount = MPPUtility.getShort(data, 0);

      if (exceptionCount != 0)
      {
         int index;
         int offset;
         ProjectCalendarException exception;
         long duration;
         int periodCount;

         for (index = 0; index < exceptionCount; index++)
         {
            offset = 4 + (60 * 7) + (index * 64);

            LocalDate fromDate = LocalDateHelper.getLocalDate(MPPUtility.getDate(data, offset));
            LocalDate toDate = LocalDateHelper.getLocalDate(MPPUtility.getDate(data, offset + 2));
            exception = cal.addCalendarException(fromDate, toDate);

            periodCount = MPPUtility.getShort(data, offset + 6);
            if (periodCount != 0)
            {
               for (int exceptionPeriodIndex = 0; exceptionPeriodIndex < periodCount; exceptionPeriodIndex++)
               {
                  LocalTime start = MPPUtility.getTime(data, offset + 12 + (exceptionPeriodIndex * 2));
                  duration = MPPUtility.getDuration(data, offset + 24 + (exceptionPeriodIndex * 4));
                  LocalTime end = start.plus(duration, ChronoUnit.MILLIS);
                  exception.add(new LocalTimeRange(start, end));
               }
            }
         }
      }
   }

   private static final Integer CALENDAR_NAME = Integer.valueOf(1);
   private static final Integer CALENDAR_DATA = Integer.valueOf(3);
}