private ChannelSelectorType getKnownChannelSelector(String type) {
ChannelSelectorType[] values = ChannelSelectorType.values();
for (ChannelSelectorType value : values) {
if (value.toString().equalsIgnoreCase(type)) return value;
String clName = value.getChannelSelectorClassName();
if (clName != null && clName.equalsIgnoreCase(type)) return value;
}
return null;
}
public void configure(Context context) throws ConfigurationException {
super.configure(context);
try {
String channelList = context.getString(BasicConfigurationConstants.CONFIG_CHANNELS);
if (channelList != null) {
this.channels = new HashSet<String>(Arrays.asList(channelList.split("\\s+")));
}
if (channels.isEmpty()) {
errors.add(
new FlumeConfigurationError(
componentName,
ComponentType.CHANNEL.getComponentType(),
FlumeConfigurationErrorType.PROPERTY_VALUE_NULL,
ErrorOrWarning.ERROR));
throw new ConfigurationException("No channels set for " + this.getComponentName());
}
Map<String, String> selectorParams =
context.getSubProperties(
BasicConfigurationConstants.CONFIG_SOURCE_CHANNELSELECTOR_PREFIX);
String selType;
if (selectorParams != null && !selectorParams.isEmpty()) {
selType = selectorParams.get(BasicConfigurationConstants.CONFIG_TYPE);
System.out.println("Loading selector: " + selType);
} else {
selType = ChannelSelectorConfigurationType.REPLICATING.toString();
}
if (selType == null || selType.isEmpty()) {
selType = ChannelSelectorConfigurationType.REPLICATING.toString();
}
ChannelSelectorType selectorType = this.getKnownChannelSelector(selType);
Context selectorContext = new Context();
selectorContext.putAll(selectorParams);
String config = null;
if (selectorType == null) {
config = selectorContext.getString(BasicConfigurationConstants.CONFIG_CONFIG);
if (config == null || config.isEmpty()) {
config = "OTHER";
}
} else {
config = selectorType.toString().toUpperCase();
}
this.selectorConf =
(ChannelSelectorConfiguration)
ComponentConfigurationFactory.create(
ComponentType.CHANNELSELECTOR.getComponentType(),
config,
ComponentType.CHANNELSELECTOR);
selectorConf.setChannels(channels);
selectorConf.configure(selectorContext);
} catch (Exception e) {
errors.add(
new FlumeConfigurationError(
componentName,
ComponentType.CHANNELSELECTOR.getComponentType(),
FlumeConfigurationErrorType.CONFIG_ERROR,
ErrorOrWarning.ERROR));
throw new ConfigurationException("Failed to configure component!", e);
}
}