public void start()

in src/main/java/org/apache/log4j/xml/LogFileXMLReceiver.java [244:296]
46 lines of code
11 McCabe index (conditional complexity)

    public void start() {
        Runnable runnable = () -> {
            try {
                URL url = new URL(fileURL);
                host = url.getHost();
                if (host != null && host.equals("")) {
                    host = FILE_KEY;
                }
                path = url.getPath();
            } catch (MalformedURLException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }

            try {
                if (filterExpression != null) {
                    expressionRule = ExpressionRule.getRule(filterExpression);
                }
            } catch (Exception e) {
                logger.warn("Invalid filter expression: " + filterExpression, e);
            }

            Class c;
            try {
                c = Class.forName(decoder);
                Object o = c.newInstance();
                if (o instanceof Decoder) {
                    decoderInstance = (Decoder) o;
                }
            } catch (ClassNotFoundException | IllegalAccessException | InstantiationException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            try {
                reader = new InputStreamReader(new URL(getFileURL()).openStream());
                process(reader);
            } catch (FileNotFoundException fnfe) {
                logger.info("file not available");
            } catch (IOException ioe) {
                logger.warn("unable to load file", ioe);
                return;
            }
        };
        if (useCurrentThread) {
            runnable.run();
        } else {
            Thread thread = new Thread(runnable, "LogFileXMLReceiver-" + getName());

            thread.start();

        }
    }