@PipelineProperty(description = "The HTTP request method. Valid values are " +
                                    "GET, POST, HEAD, OPTIONS, PUT, DELETE and TRACE.",
            defaultValue = DEFAULT_REQUEST_METHOD_PROP_VALUE,
            displayPriority = 24)
    public void setRequestMethod(String requestMethod) {
        this.requestMethod = NullSafe.get(requestMethod, String::trim, String::toUpperCase);
    }
Handler class that forwards the request to a URL.
stroom-pipeline/src/main/java/stroom/pipeline/writer/HTTPAppender.java