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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:       StringVarDataFieldReader.java
 * author:     Jon Iles
 * copyright:  (c) Packwood Software 2019
 * date:       18/09/2019
 */

/*
 * 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 net.sf.mpxj.CustomFieldContainer;

/**
 * Read a string field from the var data.
 */
class StringVarDataFieldReader extends VarDataFieldReader
{
   /**
    * Constructor.
    *
    * @param customFields custom fields container
    */
   public StringVarDataFieldReader(CustomFieldContainer customFields)
   {
      super(customFields);
   }

   @Override protected Object readValue(Var2Data varData, Integer id, Integer type)
   {
      return varData.getUnicodeString(id, type);
   }

   @Override protected Object coerceValue(Object value)
   {
      if (value instanceof String)
      {
         return value;
      }
      return null;
   }
}