The cometd: component is a transport for working with the jetty implementation of the cometd/bayeux protocol.
Using this component in combination with the dojo toolkit library it's possible to push Camel messages directly into the browser using an AJAX based mechanism.
The channelName represents a topic that can be subscribed to by the Camel endpoints.
where cometds: represents an SSL configured endpoint.
See this blog entry by David Greco who contributed this component to Apache Camel, for a full sample.
|resourceBase||The root directory for the web resources or classpath. Use the protocol file: or classpath: depending if you want that the component loads the resource from file system or classpath. Classpath is required for OSGI deployment where the resources are packaged in the jar|
|timeout||240000||The server side poll timeout in milliseconds. This is how long the server will hold a reconnect request before responding.|
|interval||0||The client side poll timeout in milliseconds. How long a client will wait between reconnects|
|maxInterval||30000||The max client side poll timeout in milliseconds. A client will be removed if a connection is not received in this time.|
|multiFrameInterval||1500||The client side poll timeout, if multiple connections are detected from the same browser.|
|jsonCommented||true||If true, the server will accept JSON wrapped in a comment and will generate JSON wrapped in a comment. This is a defence against Ajax Hijacking.|
|logLevel||1||0=none, 1=info, 2=debug.|
You can append query options to the URI in the following format, ?option=value&option=value&...
Here is some examples on How to pass the parameters
For file (for webapp resources located in the Web Application directory --> cometd://localhost:8080?resourceBase=file./webapp
For classpath (when by example the web resources are packaged inside the webapp folder --> cometd://localhost:8080?resourceBase=classpath:webapp