Made sure logger is enabled before logging errors/warnings. (PMD)

src/main/java/net/thauvin/erik/mobibot/Mobibot.java

@@ -251,7 +251,9 @@ public class Mobibot extends PircBot {
         } catch (IOException ignore) {
             // Do nothing.
         } catch (FeedException e) {
-            logger.error("An error occurred while parsing the '" + EntriesMgr.CURRENT_XML + "' file.", e);
+            if (logger.isErrorEnabled()) {
+                logger.error("An error occurred while parsing the '" + EntriesMgr.CURRENT_XML + "' file.", e);
+            }
         }
 
         // Load the backlogs, if any.
@@ -260,7 +262,9 @@ public class Mobibot extends PircBot {
         } catch (IOException ignore) {
             // Do nothing.
         } catch (FeedException e) {
-            logger.error("An error occurred while parsing the '" + EntriesMgr.NAV_XML + "' file.", e);
+            if (logger.isErrorEnabled()) {
+                logger.error("An error occurred while parsing the '" + EntriesMgr.NAV_XML + "' file.", e);
+            }
         }
 
         // Initialize the bot
@@ -939,13 +943,105 @@ public class Mobibot extends PircBot {
                         getName() + ReleaseInfo.VERSION + " has joined " + ircChannel,
                         true);
                 } catch (ModuleException e) {
-                    logger.warn(
+                    if (logger.isWarnEnabled()) {
-                        "Failed to notify " + twitterHandle + " of joining " + ircChannel + " on Twitter.", e);
+                        logger.warn(
+                            "Failed to notify " + twitterHandle + " of joining " + ircChannel + " on Twitter.", e);
+                    }
                 }
             }).start();
         }
     }
 
+    /**
+     * The Truth Is Out There...
+     *
+     * @param args The command line arguments.
+     */
+    @SuppressFBWarnings({"INFORMATION_EXPOSURE_THROUGH_AN_ERROR_MESSAGE", "DM_DEFAULT_ENCODING",
+        "IOI_USE_OF_FILE_STREAM_CONSTRUCTORS"})
+    @SuppressWarnings({"PMD.SystemPrintln", "PMD.AvoidFileStream"})
+    public static void main(final String[] args) {
+        // Setup the command line options
+        final Options options = new Options();
+        options.addOption(Commands.HELP_ARG.substring(0, 1), Commands.HELP_ARG, false, "print this help message");
+        options.addOption(Commands.DEBUG_ARG.substring(0, 1), Commands.DEBUG_ARG, false,
+            "print debug & logging data directly to the console");
+        options.addOption(Option.builder(
+            Commands.PROPS_ARG.substring(0, 1)).hasArg().argName("file").desc("use " + "alternate properties file")
+            .longOpt(Commands.PROPS_ARG).build());
+        options.addOption(Commands.VERSION_ARG.substring(0, 1), Commands.VERSION_ARG, false, "print version info");
+
+        // Parse the command line
+        final CommandLineParser parser = new DefaultParser();
+        CommandLine line = null;
+
+        try {
+            line = parser.parse(options, args);
+        } catch (ParseException e) {
+            System.err.println("CLI Parsing failed.  Reason: " + e.getMessage());
+            e.printStackTrace(System.err);
+            System.exit(1);
+        }
+
+        if (line.hasOption(Commands.HELP_ARG.charAt(0))) {
+            // Output the usage
+            new HelpFormatter().printHelp(Mobibot.class.getName(), options);
+        } else if (line.hasOption(Commands.VERSION_ARG.charAt(0))) {
+            for (final String s : INFO_STRS) {
+                System.out.println(s);
+            }
+        } else {
+            final Properties p = new Properties();
+
+            try (final InputStream fis = Files.newInputStream(Paths.get(
+                line.getOptionValue(Commands.PROPS_ARG.charAt(0), "./mobibot.properties")))) {
+                // Load the properties files
+                p.load(fis);
+            } catch (FileNotFoundException e) {
+                System.err.println("Unable to find properties file.");
+                e.printStackTrace(System.err);
+                System.exit(1);
+            } catch (IOException e) {
+                System.err.println("Unable to open properties file.");
+                e.printStackTrace(System.err);
+                System.exit(1);
+            }
+
+            final String nickname = p.getProperty("nick", Mobibot.class.getName().toLowerCase(Constants.LOCALE));
+            final String channel = p.getProperty("channel");
+            final String logsDir = Utils.ensureDir(p.getProperty("logs", "."), false);
+
+            // Redirect the stdout and stderr
+            if (!line.hasOption(Commands.DEBUG_ARG.charAt(0))) {
+                try {
+                    final PrintStream stdout = new PrintStream(new FileOutputStream(
+                        logsDir + channel.substring(1) + '.' + Utils.today() + ".log", true));
+                    System.setOut(stdout);
+                } catch (IOException e) {
+                    System.err.println("Unable to open output (stdout) log file.");
+                    e.printStackTrace(System.err);
+                    System.exit(1);
+                }
+
+                try {
+                    final PrintStream stderr = new PrintStream(
+                        new FileOutputStream(logsDir + nickname + ".err", true));
+                    System.setErr(stderr);
+                } catch (IOException e) {
+                    System.err.println("Unable to open error (stderr) log file.");
+                    e.printStackTrace(System.err);
+                    System.exit(1);
+                }
+            }
+
+            // Create the bot
+            final Mobibot bot = new Mobibot(nickname, channel, logsDir, p);
+
+            // Connect
+            bot.connect();
+        }
+    }
+
     /**
      * {@inheritDoc}
      */