gistfile1.java

        public static void main (String args[])
        {
                //Build the command line options
                Options options = addCommandLineOptions ();

                if (args.length <= 0)
                        printHelp (options);

                CommandLineParser parser = new GnuParser();
                try
                {
                        // parse the command line arguments
                        CommandLine line = parser.parse( options, args );

                        if (line.hasOption("help"))
                                printHelp (options);

                        if (line.hasOption("containersOnly"))
                        {
                                if (line.hasOption("H"))
                                        printContainers (true);
                                else
                                        printContainers (false);
                        }
                        else if (line.hasOption("all"))
                        {
                                if (line.hasOption("H"))
                                        printContainersAll (true);
                                else
                                        printContainersAll (false);
                        }//if (line.hasOption("all"))
                        else if (line.hasOption("container"))
                        {
                                String containerName = line.getOptionValue("container");
                                if (StringUtils.isNotBlank(containerName))
                                {
                                        if (line.hasOption("H"))
                                                printContainer (containerName, true);
                                        else
                                                printContainer (containerName, false);
                                }
                        }//if (line.hasOption("container"))
                        else if (line.hasOption("H"))
                        {
                                System.out.println ("This option needs to be used in conjunction with another option that lists objects or container.");    
                        }
                }
                catch( ParseException err )
                {
                        System.err.println( "Please see the logs for more details. Error Message: "+err.getMessage() );
                        err.printStackTrace(System.err);
                }//catch( ParseException err )
                catch (FilesAuthorizationException err)
                {
                        System.err.println( "Please see the logs for more details. Error Message: "+err.getMessage() );                    
                }//catch (FilesAuthorizationException err)

                catch ( IOException err)
                {
                        System.err.println( "Please see the logs for more details. Error Message: "+err.getMessage() );        
                }//catch ( IOException err)
        }