@Override public void process(Exchange exchange) { Message in = exchange.getIn(); String defaultMetricsName = simple(exchange, getEndpoint().getMetricsName(), String.class); String finalMetricsName = getStringHeader(in, HEADER_METRIC_NAME, defaultMetricsName); Iterable<Tag> defaultTags = getEndpoint().getTags(); Iterable<Tag> headerTags = getTagHeader(in, HEADER_METRIC_TAGS, Tags.empty()); Iterable<Tag> finalTags = Tags.concat(defaultTags, headerTags).stream() .map(tag -> Tag.of( simple(exchange, tag.getKey(), String.class), simple(exchange, tag.getValue(), String.class))) .reduce(Tags.empty(), Tags::and, Tags::and) .and(Tags.of( CAMEL_CONTEXT_TAG, getEndpoint().getCamelContext().getName())); try { doProcess(exchange, finalMetricsName, finalTags); } catch (Exception e) { exchange.setException(e); } finally { clearMetricsHeaders(in); } }