private void execute()

in archiva-artifact-downloader-cli/src/main/java/org/apache/archiva/artifact/downloader/CLI.java [65:149]
76 lines of code
11 McCabe index (conditional complexity)

    private void execute( String[] args )
    {
        CommandLineParser parser = new GnuParser();
        try
        {
            CommandLine cmdline = parser.parse( getOptions(), args );

            if ( cmdline.hasOption( OPT_HELP ) )
            {
                showHelp( getOptions() );
                return;
            }

            if ( cmdline.hasOption( OPT_PROXY_CONFIG ) )
            {
                SwingUtilities.invokeLater( new Runnable()
                {
                    public void run()
                    {
                        NetworkProxyDialog.collectAndSave();
                        System.exit( -1 );
                    }
                } );
                return;
            }

            List<ArtifactKey> artifactKeys = new ArrayList<ArtifactKey>();
            for ( String arg : cmdline.getArgs() )
            {
                artifactKeys.add( new ArtifactKey( arg ) );
            }

            if ( artifactKeys.isEmpty() )
            {
                System.err
                    .println( "ERROR: You must specify at least 1 Artifact Key in format groupId:artifactId:version" );
                showHelp( getOptions() );
                return;
            }

            Config config = loadDefaultConfig();

            if ( cmdline.hasOption( OPT_CONFIG ) )
            {
                String configPath = cmdline.getOptionValue( OPT_CONFIG );
                File configFile = new File( configPath );
                if ( configFile.exists() == false )
                {
                    System.err.println( "Unable to find config file: " + configFile.getAbsolutePath() );
                    return;
                }
                FileReader reader = new FileReader( configFile );
                config = ConfigParser.parseConfig( reader );
            }

            String outputDir = cmdline.getOptionValue( OPT_REPO_DIR );
            if ( outputDir == null )
            {
                outputDir = System.getProperty( "user.dir" );
            }

            File repoDir = new File( outputDir );
            System.out.println( ".\\ Archiva Artifact Downloader \\._______________" );

            Downloader downloader = new Downloader();
            downloader.setArtifactKeys( artifactKeys );
            downloader.setRepositoryDir( repoDir );
            downloader.setConfig( config );
            downloader.download();
        }
        catch ( MissingOptionException e )
        {
            System.err.println( "ERROR: " + e.getMessage() );
            showHelp( options );
        }
        catch ( ParseException e )
        {
            showHelp( options );
            e.printStackTrace( System.err );
        }
        catch ( Throwable t )
        {
            t.printStackTrace( System.err );
        }
    }