public Object getAttributeValue() 
{
        return getSession().getAttribute(attributeName);
}

 public String[] getComplexPropertyValue() 
{
        // Neither : nor ; is a regexp character.
        return getPropertyValue().split(pathSeparator);
}

 public boolean getHasSession() 
{
        return request.getSession(false) != null;
}

 public String getPropertyValue() 
{
        return System.getProperty(propertyName);
}

 public Session getSession() 
{
        return request.getSession(false);
}

 public List<String> getSystemProperties() 
{
        return InternalUtils.sortedKeys(System.getProperties());
}

Returns a sorted list of system property names.

 public boolean isSimpleProperty() 
{
        if (propertyName.equals(PATH_SEPARATOR_PROPERTY)) return true;
        return !getPropertyValue().contains(pathSeparator);
}

 public  void reportException(Throwable exception) 
{
        rootException = exception;
}