externalnamerecord.java

jxtl API Java中Excel的生成与导入解析参考文档

/*********************************************************************
*
*      Copyright (C) 2001 Andrew Khan
*
* 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 jxl.read.biff;

import common.Logger;

import jxl.WorkbookSettings;
import jxl.biff.IntegerHelper;
import jxl.biff.RecordData;
import jxl.biff.StringHelper;


/**
 * A row  record
 */
public class ExternalNameRecord extends RecordData
{
  /**
   * The logger
   */
  private static Logger logger = Logger.getLogger(ExternalNameRecord.class);

  /**
   * The name
   */
  private String name;

  /**
   * Add in function flag
   */
  private boolean addInFunction;

  /**
   * Constructs this object from the raw data
   *
   * @param t the raw data
   * @param ws the workbook settings
   */
  ExternalNameRecord(Record t, WorkbookSettings ws)
  {
    super(t);

    byte[] data = getRecord().getData();
    int options = IntegerHelper.getInt(data[0], data[1]);
    
    if (options == 0)
    {
      addInFunction = true;
    }

    if (!addInFunction)
    {
      return;
    }

    int length = data[6];

    boolean unicode = (data[7] != 0);

    if (unicode)
    {
      name = StringHelper.getUnicodeString(data, length, 8);
    }
    else
    { 
      name = StringHelper.getString(data, length, 8, ws);
    }
  }

  /**
   * Queries whether this name record refers to an external record
   *
   * @return TRUE if this name record is an add in function, FALSE otherwise
   */
  public boolean isAddInFunction()
  {
    return addInFunction;
  }

  /**
   * Gets the name
   *
   * @return the name
   */
  public String getName()
  {
    return name;
  }
}