/*
 * Licensed Materials - Property of Perforce Software, Inc. 
 * © Copyright Perforce Software, Inc. 2014, 2021 
 * © Copyright IBM Corp. 2009, 2014
 * © Copyright ILOG 1996, 2009
 * All Rights Reserved.
 *
 * Note to U.S. Government Users Restricted Rights:
 * The Software and Documentation were developed at private expense and
 * are "Commercial Items" as that term is defined at 48 CFR 2.101,
 * consisting of "Commercial Computer Software" and
 * "Commercial Computer Software Documentation", as such terms are
 * used in 48 CFR 12.212 or 48 CFR 227.7202-1 through 227.7202-4,
 * as applicable.
 */

import ilog.views.gantt.IlvActivity;
import ilog.views.gantt.xml.IlvGanttDocumentReader;
import ilog.views.gantt.xml.IlvGanttReaderException;
import ilog.views.gantt.xml.IlvSimpleActivityReader;

import java.util.Date;

import org.w3c.dom.Element;


/**
 * This class extends an <code>IlvSimpleActivityReder</code>.
 * The method <code>readActivity()</code> is overridden to
 * read a <code>CustomActivity</code> instead of an
 * <code>IlvSimpleActivity</code>.
 */
public class CustomActivityReader
    extends IlvSimpleActivityReader
{
  /**
   * Overrides this method to read a <code>CustomActivity</code>
   * instead of an <code>IlvSimpleActivity</code>.
   * @param elem The element to read from.
   * @param readContext The read context.
   * @return The new activity.
   */
  Override
  public IlvActivity readActivity(Element elem,
                                  IlvGanttDocumentReader.Context readContext)
      throws IlvGanttReaderException {
    CustomActivity activity = (CustomActivity) super.readActivity(elem,
                                                                  readContext);

    String priority = elem.getAttribute("priority");
    if (priority == null)
      throw new IlvGanttReaderException(elem,
                                        "Attribute \"priority\" not found");

    activity.setPriority(Integer.valueOf(priority).intValue());

    return activity;
  }

  /**
   * Overrides to create a <code>CustomActivity</code>
   * instead of an <code>IlvSimpleActivity</code>.
   */
  Override
  protected IlvActivity createActivity(String id,
                                       String name,
                                       Date start,
                                       Date end
                                       ) {
    return new CustomActivity(id, name, start, end);
  }

}