public void handleMessage()

in chatterbox-slack/chatterbox-slack-impl/src/main/java/org/apache/tomee/chatterbox/slack/adapter/SlackResourceAdapter.java [153:207]

44 lines of code
5 McCabe index (conditional complexity)


    public void handleMessage(final JsonNode jsonNode) {

        String commandLine = jsonNode.get("text").textValue();
        final String userPrefix = "<@" + userId + ">";
        if (!commandLine.startsWith(userPrefix)) {
            return;
        }

        // chop off the user: prefix
        commandLine = commandLine.replaceAll("^" + userPrefix + ":?\\s*", "");

        final String channel = jsonNode.get("channel").textValue();

        String[] args;
        final Arguments[] arguments = ArgumentsParser.parse(commandLine);
        if (arguments == null || arguments.length == 0) {
            args = new String[]{"help"};
        } else {
            args = arguments[0].get();
        }

        final ByteArrayOutputStream os = new ByteArrayOutputStream();
        final PrintStream ps = new PrintStream(os);
        final Environment environment = new Environment() {
            @Override
            public PrintStream getOutput() {
                return ps;
            }

            @Override
            public PrintStream getError() {
                return ps;
            }

            @Override
            public InputStream getInput() {
                return null;
            }

            @Override
            public Properties getProperties() {
                return System.getProperties();
            }
        };

        try {
            main.main(environment, args);
        } catch (Exception e) {
            e.printStackTrace(ps);
        }

        ChatPostMessageMethod postMessage = new ChatPostMessageMethod(channel, new String(os.toByteArray()));
        postMessage.setUsername(user);
        webApiClient.postMessage(postMessage);
    }