public void activateOptions()

in src/main/java/org/apache/log4j/receivers/varia/LogFilePatternReceiver.java [982:1032]
49 lines of code
10 McCabe index (conditional complexity)

  public void activateOptions() {
    getLogger().info("activateOptions");
    active = true;
	Runnable runnable = new Runnable() {
	  public void run() {
        initialize();
            while (reader == null) {
                getLogger().info("attempting to load file: " + getFileURL());
                try {
                    reader = new InputStreamReader(new URL(getFileURL()).openStream());
                } catch (FileNotFoundException fnfe) {
                    getLogger().info("file not available - will try again");
                    synchronized (this) {
                        try {
                            wait(MISSING_FILE_RETRY_MILLIS);
                        } catch (InterruptedException ie) {}
                    }
                } catch (IOException ioe) {
                    getLogger().warn("unable to load file", ioe);
                    return;
                }
            }
            try {
                BufferedReader bufferedReader = new BufferedReader(reader);
                createPattern();
                do {
                    process(bufferedReader);
                    try {
                        synchronized (this) {
                            wait(waitMillis);
                        }
                    } catch (InterruptedException ie) {}
                    if (tailing) {
                      getLogger().debug("tailing file");
                    }
                } while (tailing);

            } catch (IOException ioe) {
                //io exception - probably shut down
                getLogger().info("stream closed");
            }
            getLogger().debug("processing " + path + " complete");
            shutdown();
          }
        };
        if(useCurrentThread) {
            runnable.run();
        }else {
            new Thread(runnable, "LogFilePatternReceiver-"+getName()).start();
        }
    }