public LogTableColumn(String label) 
{
  //--------------------------------------------------------------------------
  //   Constructors:
  //--------------------------------------------------------------------------
    _log4JColumns = new LogTableColumn[]{DATE, THREAD, MESSAGE_NUM, LEVEL, NDC, CATEGORY,
                                         MESSAGE, LOCATION, THROWN};
    _logTableColumnMap = new HashMap();
    for (int i = 0; i <  _log4JColumns.length; i++) {
      _logTableColumnMap.put(_log4JColumns[i].getLabel(), _log4JColumns[i]);
    }
    _label = label;
}

 public boolean equals(Object o) 
{
    boolean equals = false;
    if (o instanceof LogTableColumn) {
      if (this.getLabel() ==
          ((LogTableColumn) o).getLabel()) {
        equals = true;
      }
    }
    return equals;
}

 public String getLabel() 
{
    return _label;
}

Return the Label of the LogLevel.

 public static LogTableColumn[] getLogTableColumnArray() 
{
    return _log4JColumns;
}

 public static List getLogTableColumns() 
{
    return Arrays.asList(_log4JColumns);
}

 public int hashCode() 
{
    return _label.hashCode();
}

 public String toString() 
{
    return _label;
}

 public static LogTableColumn valueOf(String column) throws LogTableColumnFormatException 
{
    LogTableColumn tableColumn = null;
    if (column != null) {
      column = column.trim();
      tableColumn = (LogTableColumn) _logTableColumnMap.get(column);
    }
    if (tableColumn == null) {
      StringBuffer buf = new StringBuffer();
      buf.append("Error while trying to parse (" + column + ") into");
      buf.append(" a LogTableColumn.");
      throw new LogTableColumnFormatException(buf.toString());
    }
    return tableColumn;
}

Convert a column label into a LogTableColumn object.