public boolean ready()

in contribs/ThomasFenner/JDBCLogger.java [303:375]
58 lines of code
21 McCabe index (conditional complexity)

	public boolean ready()
	{
   	if(ready) return true;

		if(!isconfigured){ errormsg = "Not ready to append ! Call configure() first !"; return false;}

      //No need to doing the whole rest...
      if(sql != null)
      {
      	ready = true;
         return true;
      }

		boolean msgcol_defined = false;

		LogColumn logcol;

		for(int i=0; i<num; i++)
		{
      	logcol = (LogColumn)logcols.get(i);

         if(logcol.ignore || !logcol.isWritable) continue;
			if(!logcol.nullable && logcol.logtype == LogType.EMPTY)
         {
         	errormsg = "Not ready to append ! Column " + logcol.name + " is not nullable, and must be specified by setLogType() !";
            return false;
         }
			if(logcol.logtype == LogType.ID && logcol.idhandler == null)
         {
         	errormsg = "Not ready to append ! Column " + logcol.name + " is specified as an ID-column, and a JDBCIDHandler has to be set !";
            return false;
         }
			else if(logcol.logtype == LogType.STATIC && logcol.value == null)
         {
         	errormsg = "Not ready to append ! Column " + logcol.name + " is specified as a static field, and a value has to be set !";
            return false;
         }
         else if(logcol.logtype == LogType.MSG) msgcol_defined = true;
		}

      if(!msgcol_defined) return false;

      //create the column_list
		for(int i=0; i<num; i++)
		{
      	logcol = (LogColumn)logcols.get(i);

			if(logcol.ignore || !logcol.isWritable) continue;

         if(logcol.logtype != LogType.EMPTY)
         {
				if(column_list == null)
            {
            	column_list = logcol.name;
            }
            else column_list += ", " + logcol.name;
         }
		}

      try
      {
			rs = stmt.executeQuery("SELECT " + column_list + " FROM " + table + " WHERE 1 = 2");
		}
      catch(Exception e)
      {
			errormsg = "Not ready to append ! Cannot select columns '" + column_list + "' of table " + table + " !";
      	return false;
      }

		ready = true;

		return true;
	}