code: public String getString() throws ValueFormatException, RepositoryException
     {
        try
        {
           return getValue().getString();
        }
        catch (ValueFormatException e)
        {
           throw new ValueFormatException("PropertyImpl.getString() for " + getPath() + " failed: " + e);
        }
        catch (IllegalStateException e)
        {
           throw new ValueFormatException("PropertyImpl.getString() for " + getPath() + " failed: " + e);
        }
     }
docs: {@inheritDoc}