package jxl.write.biff;

import jxl.biff.IntegerHelper;
import jxl.biff.StringHelper;
import jxl.biff.Type;
import jxl.biff.WritableRecordData;

class FooterRecord extends WritableRecordData {
  private byte[] data;
  
  private String footer;
  
  public FooterRecord(String s) {
    super(Type.FOOTER);
    this.footer = s;
  }
  
  public FooterRecord(FooterRecord fr) {
    super(Type.FOOTER);
    this.footer = fr.footer;
  }
  
  public byte[] getData() {
    if (this.footer == null || this.footer.length() == 0) {
      this.data = new byte[0];
      return this.data;
    } 
    this.data = new byte[this.footer.length() * 2 + 3];
    IntegerHelper.getTwoBytes(this.footer.length(), this.data, 0);
    this.data[2] = 1;
    StringHelper.getUnicodeBytes(this.footer, this.data, 3);
    return this.data;
  }
}