Examples with Options org.apache.commons.cli.Options used on opensource projects

Example 31 with Options

use of org.apache.commons.cli.Options in project hadoop by apache.

the class MiniDFSClusterManager method parseArguments.

/**
   * Parses arguments and fills out the member variables.
   * @param args Command-line arguments.
   * @return true on successful parse; false to indicate that the
   * program should exit.
   */
private boolean parseArguments(String[] args) {
    Options options = makeOptions();
    CommandLine cli;
    try {
        CommandLineParser parser = new GnuParser();
        cli = parser.parse(options, args);
    } catch (ParseException e) {
        LOG.warn("options parsing failed:  " + e.getMessage());
        new HelpFormatter().printHelp("...", options);
        return false;
    }
    if (cli.hasOption("help")) {
        new HelpFormatter().printHelp("...", options);
        return false;
    }
    if (cli.getArgs().length > 0) {
        for (String arg : cli.getArgs()) {
            LOG.error("Unrecognized option: " + arg);
            new HelpFormatter().printHelp("...", options);
            return false;
        }
    }
    // HDFS
    numDataNodes = intArgument(cli, "datanodes", 1);
    nameNodePort = intArgument(cli, "nnport", 0);
    nameNodeHttpPort = intArgument(cli, "httpport", 0);
    if (cli.hasOption("format")) {
        dfsOpts = StartupOption.FORMAT;
        format = true;
    } else {
        dfsOpts = StartupOption.REGULAR;
        format = false;
    }
    // Runner
    writeDetails = cli.getOptionValue("writeDetails");
    writeConfig = cli.getOptionValue("writeConfig");
    // General
    conf = new HdfsConfiguration();
    updateConfiguration(conf, cli.getOptionValues("D"));
    return true;
}

Example 32 with Options

use of org.apache.commons.cli.Options in project hadoop by apache.

the class OfflineImageViewerPB method run.

public static int run(String[] args) throws Exception {
    Options options = buildOptions();
    if (args.length == 0) {
        printUsage();
        return 0;
    }
    // print help and exit with zero exit code
    if (args.length == 1 && isHelpOption(args[0])) {
        printUsage();
        return 0;
    }
    CommandLineParser parser = new PosixParser();
    CommandLine cmd;
    try {
        cmd = parser.parse(options, args);
    } catch (ParseException e) {
        System.out.println("Error parsing command-line options: ");
        printUsage();
        return -1;
    }
    if (cmd.hasOption("h")) {
        // print help and exit with non zero exit code since
        // it is not expected to give help and other options together.
        printUsage();
        return -1;
    }
    String inputFile = cmd.getOptionValue("i");
    String processor = cmd.getOptionValue("p", "Web");
    String outputFile = cmd.getOptionValue("o", "-");
    String delimiter = cmd.getOptionValue("delimiter", PBImageDelimitedTextWriter.DEFAULT_DELIMITER);
    String tempPath = cmd.getOptionValue("t", "");
    Configuration conf = new Configuration();
    try (PrintStream out = outputFile.equals("-") ? System.out : new PrintStream(outputFile, "UTF-8")) {
        switch(processor) {
            case "FileDistribution":
                long maxSize = Long.parseLong(cmd.getOptionValue("maxSize", "0"));
                int step = Integer.parseInt(cmd.getOptionValue("step", "0"));
                boolean formatOutput = cmd.hasOption("format");
                new FileDistributionCalculator(conf, maxSize, step, formatOutput, out).visit(new RandomAccessFile(inputFile, "r"));
                break;
            case "XML":
                new PBImageXmlWriter(conf, out).visit(new RandomAccessFile(inputFile, "r"));
                break;
            case "ReverseXML":
                try {
                    OfflineImageReconstructor.run(inputFile, outputFile);
                } catch (Exception e) {
                    System.err.println("OfflineImageReconstructor failed: " + e.getMessage());
                    e.printStackTrace(System.err);
                    System.exit(1);
                }
                break;
            case "Web":
                String addr = cmd.getOptionValue("addr", "localhost:5978");
                try (WebImageViewer viewer = new WebImageViewer(NetUtils.createSocketAddr(addr))) {
                    viewer.start(inputFile);
                }
                break;
            case "Delimited":
                try (PBImageDelimitedTextWriter writer = new PBImageDelimitedTextWriter(out, delimiter, tempPath)) {
                    writer.visit(new RandomAccessFile(inputFile, "r"));
                }
                break;
            default:
                System.err.println("Invalid processor specified : " + processor);
                printUsage();
                return -1;
        }
        return 0;
    } catch (EOFException e) {
        System.err.println("Input file ended unexpectedly. Exiting");
    } catch (IOException e) {
        System.err.println("Encountered exception.  Exiting: " + e.getMessage());
        e.printStackTrace(System.err);
    }
    return -1;
}

Example 33 with Options

use of org.apache.commons.cli.Options in project hadoop by apache.

the class OfflineImageViewer method main.

/**
   * Entry point to command-line-driven operation.  User may specify
   * options and start fsimage viewer from the command line.  Program
   * will process image file and exit cleanly or, if an error is
   * encountered, inform user and exit.
   *
   * @param args Command line options
   * @throws IOException 
   */
public static void main(String[] args) throws IOException {
    Options options = buildOptions();
    if (args.length == 0) {
        printUsage();
        return;
    }
    CommandLineParser parser = new PosixParser();
    CommandLine cmd;
    try {
        cmd = parser.parse(options, args);
    } catch (ParseException e) {
        System.out.println("Error parsing command-line options: ");
        printUsage();
        return;
    }
    if (cmd.hasOption("h")) {
        // print help and exit
        printUsage();
        return;
    }
    boolean skipBlocks = cmd.hasOption("skipBlocks");
    boolean printToScreen = cmd.hasOption("printToScreen");
    String inputFile = cmd.getOptionValue("i");
    String processor = cmd.getOptionValue("p", "Ls");
    String outputFile = cmd.getOptionValue("o");
    String delimiter = cmd.getOptionValue("delimiter");
    if (!(delimiter == null || processor.equals("Delimited"))) {
        System.out.println("Can only specify -delimiter with Delimited processor");
        printUsage();
        return;
    }
    ImageVisitor v;
    if (processor.equals("Indented")) {
        v = new IndentedImageVisitor(outputFile, printToScreen);
    } else if (processor.equals("XML")) {
        v = new XmlImageVisitor(outputFile, printToScreen);
    } else if (processor.equals("Delimited")) {
        v = delimiter == null ? new DelimitedImageVisitor(outputFile, printToScreen) : new DelimitedImageVisitor(outputFile, printToScreen, delimiter);
        skipBlocks = false;
    } else if (processor.equals("FileDistribution")) {
        long maxSize = Long.parseLong(cmd.getOptionValue("maxSize", "0"));
        int step = Integer.parseInt(cmd.getOptionValue("step", "0"));
        boolean formatOutput = cmd.hasOption("format");
        v = new FileDistributionVisitor(outputFile, maxSize, step, formatOutput);
    } else if (processor.equals("NameDistribution")) {
        v = new NameDistributionVisitor(outputFile, printToScreen);
    } else {
        v = new LsImageVisitor(outputFile, printToScreen);
        skipBlocks = false;
    }
    try {
        OfflineImageViewer d = new OfflineImageViewer(inputFile, v, skipBlocks);
        d.go();
    } catch (EOFException e) {
        System.err.println("Input file ended unexpectedly.  Exiting");
    } catch (IOException e) {
        System.err.println("Encountered exception.  Exiting: " + e.getMessage());
    }
}

Example 34 with Options

use of org.apache.commons.cli.Options in project hadoop by apache.

the class OfflineImageViewer method buildOptions.

/**
   * Build command-line options and descriptions
   */
public static Options buildOptions() {
    Options options = new Options();
    // Build in/output file arguments, which are required, but there is no 
    // addOption method that can specify this
    OptionBuilder.isRequired();
    OptionBuilder.hasArgs();
    OptionBuilder.withLongOpt("outputFile");
    options.addOption(OptionBuilder.create("o"));
    OptionBuilder.isRequired();
    OptionBuilder.hasArgs();
    OptionBuilder.withLongOpt("inputFile");
    options.addOption(OptionBuilder.create("i"));
    options.addOption("p", "processor", true, "");
    options.addOption("h", "help", false, "");
    options.addOption("maxSize", true, "");
    options.addOption("step", true, "");
    options.addOption("format", false, "");
    options.addOption("skipBlocks", false, "");
    options.addOption("printToScreen", false, "");
    options.addOption("delimiter", true, "");
    return options;
}

Example 35 with Options

use of org.apache.commons.cli.Options in project hadoop by apache.

the class OfflineEditsViewer method run.

/**
   * Main entry point for ToolRunner (see ToolRunner docs)
   *
   * @param argv The parameters passed to this program.
   * @return 0 on success, non zero on error.
   */
@Override
public int run(String[] argv) throws Exception {
    Options options = buildOptions();
    if (argv.length == 0) {
        printHelp();
        return 0;
    }
    // print help and exit with zero exit code
    if (argv.length == 1 && isHelpOption(argv[0])) {
        printHelp();
        return 0;
    }
    CommandLineParser parser = new PosixParser();
    CommandLine cmd;
    try {
        cmd = parser.parse(options, argv);
    } catch (ParseException e) {
        System.out.println("Error parsing command-line options: " + e.getMessage());
        printHelp();
        return -1;
    }
    if (cmd.hasOption("h")) {
        // print help and exit with non zero exit code since
        // it is not expected to give help and other options together.
        printHelp();
        return -1;
    }
    String inputFileName = cmd.getOptionValue("i");
    String outputFileName = cmd.getOptionValue("o");
    String processor = cmd.getOptionValue("p");
    if (processor == null) {
        processor = defaultProcessor;
    }
    Flags flags = new Flags();
    if (cmd.hasOption("r")) {
        flags.setRecoveryMode();
    }
    if (cmd.hasOption("f")) {
        flags.setFixTxIds();
    }
    if (cmd.hasOption("v")) {
        flags.setPrintToScreen();
    }
    return go(inputFileName, outputFileName, processor, flags, null);
}