} else { final Set<String> channelNames = getChannelNames(); if (channelNames.isEmpty()) { throw new NetworkConfigurationException("Channel configuration has no channels defined.");
} else { final Set<String> channelNames = getChannelNames(); if (channelNames.isEmpty()) { throw new NetworkConfigurationException("Channel configuration has no channels defined.");
} else { final Set<String> channelNames = getChannelNames(); if (channelNames.isEmpty()) { throw new NetworkConfigurationException("Channel configuration has no channels defined.");