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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:       StringField.java
 * author:     Jon Iles
 * copyright:  (c) Packwood Software 2019
 * date:       01/07/2019
 */

/*
 * 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.sdef;

/**
 * SDEF string field.
 */
class StringField implements SDEFField
{
   /**
    * Constructor.
    *
    * @param name field name
    * @param length field length
    */
   public StringField(String name, int length)
   {
      m_name = name;
      m_length = length;
   }

   /**
    * Retrieve the field name.
    *
    * @return field name
    */
   public String getName()
   {
      return m_name;
   }

   @Override public int getLength()
   {
      return m_length;
   }

   @Override public Object read(String line, int offset)
   {
      String result;
      if (offset + m_length > line.length())
      {
         result = null;
      }
      else
      {
         result = line.substring(offset, offset + m_length).trim();
      }
      return result;
   }

   private final String m_name;
   private final int m_length;
}