private static string getLevelPostfix(Device device)
{
string postfix;
if (device == null)
{
postfix = levelDefaultPostfix;
}
else
{
float expressionLevel = device.getExpressionLevel();
if (expressionLevel < levelLThreshold)
{
postfix = levelDefaultPostfix;
}
else if (expressionLevel < levelLMThreshold)
{
postfix = levelLowPostfix;
}
else if (expressionLevel < levelMThreshold)
{
postfix = levelMedPostfix;
}
else
{
postfix = levelDefaultPostfix;
}
}
return(postfix);
}