メッセージソースのパラメーターの定義

@EmitsResponse
public class HttpListener extends Source<InputStream, HttpRequestAttributes> {

    @Config
    private HttpListenerConfig config;

    @Parameter
    @Optional(defaultValue = "/")
    private String path;

    @Parameter
    private Integer port;

    /**
    * Comma separated list of allowed HTTP methods by this listener.
    */
    @Parameter
    @Optional
    @Placement(tab = Placement.ADVANCED_TAB)
    @Summary("Comma separated list of methods. Leave empty to allow all.")
    @Example("GET, POST")
    private String allowedMethods;
}