Example usage for org.apache.commons.cli CommandLine getOptionValues

List of usage examples for org.apache.commons.cli CommandLine getOptionValues

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Introduction

In this page you can find the example usage for org.apache.commons.cli CommandLine getOptionValues.

Prototype

public String[] getOptionValues(char opt)

Source Link

Document

Retrieves the array of values, if any, of an option.

Usage

From source file:org.apache.hadoop.hive.metastore.tools.metatool.HiveMetaToolCommandLine.java

private void parseCommandLine(String[] args) throws ParseException {
    CommandLine cl = new GnuParser().parse(OPTIONS, args);

    listFSRoot = cl.hasOption(LIST_FS_ROOT.getOpt());
    jdoqlQuery = cl.getOptionValue(EXECUTE_JDOQL.getOpt());
    updateLocationParams = cl.getOptionValues(UPDATE_LOCATION.getOpt());
    dryRun = cl.hasOption(DRY_RUN.getOpt());
    serdePropKey = cl.getOptionValue(SERDE_PROP_KEY.getOpt());
    tablePropKey = cl.getOptionValue(TABLE_PROP_KEY.getOpt());
    help = cl.hasOption(HELP.getOpt());//from w ww .  j av  a 2s . com

    int commandCount = (isListFSRoot() ? 1 : 0) + (isExecuteJDOQL() ? 1 : 0) + (isUpdateLocation() ? 1 : 0);
    if (commandCount != 1) {
        throw new IllegalArgumentException(
                "exectly one of -listFSRoot, -executeJDOQL, -updateLocation must be set");
    }

    if (updateLocationParams != null && updateLocationParams.length != 2) {
        throw new IllegalArgumentException("HiveMetaTool:updateLocation takes in 2 arguments but was passed "
                + updateLocationParams.length + " arguments");
    }

    if ((dryRun || serdePropKey != null || tablePropKey != null) && !isUpdateLocation()) {
        throw new IllegalArgumentException(
                "-dryRun, -serdePropKey, -tablePropKey may be used only for the " + "-updateLocation command");
    }
}

From source file:org.apache.hadoop.mapreduce.MiniHadoopClusterManager.java

/**
 * Parses arguments and fills out the member variables.
 *
 * @param args/*from  w w w  . j  a  v  a2  s  . c om*/
 *          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()) {
            System.err.println("Unrecognized option: " + arg);
            new HelpFormatter().printHelp("...", options);
            return false;
        }
    }

    // MR
    noMR = cli.hasOption("nomr");
    numNodeManagers = intArgument(cli, "nodemanagers", 1);
    rmPort = intArgument(cli, "rmport", 0);
    jhsPort = intArgument(cli, "jhsport", 0);
    fs = cli.getOptionValue("namenode");

    // HDFS
    noDFS = cli.hasOption("nodfs");
    numDataNodes = intArgument(cli, "datanodes", 1);
    nnPort = intArgument(cli, "nnport", 0);
    dfsOpts = cli.hasOption("format") ? StartupOption.FORMAT : StartupOption.REGULAR;

    // Runner
    writeDetails = cli.getOptionValue("writeDetails");
    writeConfig = cli.getOptionValue("writeConfig");

    // General
    conf = new JobConf();
    updateConfiguration(conf, cli.getOptionValues("D"));

    return true;
}

From source file:org.apache.hadoop.mpich.appmaster.AppMasterArgumentsParser.java

public static AppMasterArguments parse(String[] args) throws ParseException {
    CommandLine cliParser = new GnuParser().parse(OPTS, args);
    int np = Integer.parseInt(cliParser.getOptionValue("np"));
    String executable = cliParser.getOptionValue("exec");
    String wdir = cliParser.getOptionValue("wdir");
    int containerMem = Integer.parseInt(cliParser.getOptionValue("containerMem", "1024"));
    int containerCores = Integer.parseInt(cliParser.getOptionValue("containerCores", "1"));
    int mpjContainerPriority = Integer.parseInt(cliParser.getOptionValue("containerPriority", "0"));
    String ioServer = cliParser.getOptionValue("ioServer");
    int ioServerPort = Integer.parseInt(cliParser.getOptionValue("ioServerPort"));

    String[] appArgs = null;//from   w  w w .  ja v a 2  s.c  om
    if (cliParser.hasOption("appArgs")) {
        appArgs = cliParser.getOptionValues("appArgs");
    }

    boolean debugYarn = false;
    if (cliParser.hasOption("debugYarn")) {
        debugYarn = true;
    }

    return new AppMasterArguments(np, executable, wdir, containerMem, containerCores, mpjContainerPriority,
            ioServer, ioServerPort, appArgs, debugYarn);
}

From source file:org.apache.hadoop.mpich.client.ClientArgumentsParser.java

public static ClientArguments parse(String[] args) throws ParseException {
    CommandLine cliParser = new GnuParser().parse(OPTS, args);

    int np = Integer.parseInt(cliParser.getOptionValue("np"));

    String executable = cliParser.getOptionValue("exec");

    String workingDirectory = cliParser.getOptionValue("wdir");

    int amMem = Integer.parseInt(cliParser.getOptionValue("amMem", "2048"));

    int amCores = Integer.parseInt(cliParser.getOptionValue("amCores", "1"));

    int containerMem = Integer.parseInt(cliParser.getOptionValue("containerMem", "1024"));

    int containerCores = Integer.parseInt(cliParser.getOptionValue("containerCores", "1"));

    String yarnQueue = cliParser.getOptionValue("yarnQueue", "default");

    String appName = cliParser.getOptionValue("appName", "MPICH-YARN-Application");

    int amPriority = Integer.parseInt(cliParser.getOptionValue("amPriority", "0"));

    String containerPriority = cliParser.getOptionValue("mpjContainerPriority", "0");

    String hdfsFolder = cliParser.getOptionValue("hdfsFolder", "/tmp");

    String[] appArgs = null;//from   w w  w  . j  av  a2s  . co m
    if (cliParser.hasOption("appArgs")) {
        appArgs = cliParser.getOptionValues("appArgs");
    }

    boolean debugYarn = false;
    if (cliParser.hasOption("debugYarn")) {
        debugYarn = true;
    }

    return new ClientArguments(np, executable, workingDirectory, appArgs, amMem, amCores, containerMem,
            containerCores, yarnQueue, appName, amPriority, containerPriority, hdfsFolder, debugYarn);
}

From source file:org.apache.hadoop.realtime.client.DragonClient.java

public boolean init(String[] args) throws ParseException {
    Options opts = new Options();
    opts.addOption("appname", true, "Application Name. Default value - DistributedShell");
    opts.addOption("priority", true, "Application Priority. Default 0");
    opts.addOption("queue", true, "RM Queue in which this application is to be submitted");
    opts.addOption("user", true, "User to run the application as");
    opts.addOption("master_memory", true,
            "Amount of memory in MB to be requested to run the application master");
    opts.addOption("jar", true, "Jar file containing the application master");
    opts.addOption("child_jar", true, "Location of the Child Class JAR to be executed");
    opts.addOption("class", true, "Main class to  be run for the Application Master.");
    opts.addOption("child_class", true, "Java child class to be executed by the Container");
    opts.addOption("child_args", true, "Command line args for the child class");
    opts.addOption("child_env", true, "Environment for child class. Specified as env_key=env_val pairs");
    opts.addOption("child_class_priority", true, "Priority for the child class containers");
    opts.addOption("container_memory", true, "Amount of memory in MB to be requested to run the shell command");
    opts.addOption("num_containers", true, "No. of containers on which the shell command needs to be executed");
    opts.addOption("log_properties", true, "log4j.properties file");
    opts.addOption("debug", false, "Dump out debug information");
    opts.addOption("help", false, "Print usage");
    CommandLine cliParser = new GnuParser().parse(opts, args);
    if (args.length == 0) {
        printUsage(opts);//from w ww . j  a v  a  2  s  .c  o m
        System.err.println("No args specified for client to initialize");
        return false;
    }

    if (cliParser.hasOption("help")) {
        printUsage(opts);
        return false;
    }
    appName = cliParser.getOptionValue("appname", "DistributedStream");
    amPriority = Integer.parseInt(cliParser.getOptionValue("priority", "0"));
    amQueue = cliParser.getOptionValue("queue", "");
    amUser = cliParser.getOptionValue("user", "");
    amMemory = Integer.parseInt(cliParser.getOptionValue("master_memory", "10"));
    if (amMemory < 0) {
        System.err.println(
                "Invalid memory specified for application master, exiting." + " Specified memory=" + amMemory);
        return false;
    }

    if (!cliParser.hasOption("jar")) {
        System.err.println("No jar file specified for application master");
        return false;
    }
    appMasterJar = cliParser.getOptionValue("jar");
    appMasterMainClass = cliParser.getOptionValue("class", DragonApplicationMaster.class.getName());
    childJar = cliParser.getOptionValue("child_jar", appMasterJar);
    if (!cliParser.hasOption("child_class")) {
        System.err.println("No child_class specified to be executed by container");
        return false;
    }
    childClass = cliParser.getOptionValue("child_class");
    if (cliParser.hasOption("child_args")) {
        childArgs = cliParser.getOptionValue("child_args");
    }
    if (cliParser.hasOption("child_env")) {
        String envs[] = cliParser.getOptionValues("child_env");
        for (String env : envs) {
            env = env.trim();
            int index = env.indexOf('=');
            if (index == -1) {
                childEnv.put(env, "");
                continue;
            }
            String key = env.substring(0, index);
            String val = "";
            if (index < (env.length() - 1)) {
                val = env.substring(index + 1);
            }
            childEnv.put(key, val);
        }
    }
    childClassPriority = Integer.parseInt(cliParser.getOptionValue("shell_cmd_priority", "0"));

    containerMemory = Integer.parseInt(cliParser.getOptionValue("container_memory", "10"));
    numContainers = Integer.parseInt(cliParser.getOptionValue("num_containers", "1"));

    if (containerMemory < 0 || numContainers < 1) {
        System.err.println("Invalid no. of containers or container memory specified, exiting."
                + " Specified containerMemory=" + containerMemory + ", numContainer=" + numContainers);
        return false;
    }
    log4jPropFile = cliParser.getOptionValue("log_properties", "");

    return true;
}

From source file:org.apache.hadoop.realtime.server.DragonApplicationMaster.java

/**
 * Parse command line options//from   ww w  .  j a va2 s .  c o  m
 * 
 * @param args Command line args
 * @return Whether init successful and run should be invoked
 * @throws ParseException
 * @throws IOException
 */
public boolean init(String[] args) throws ParseException {
    Options opts = new Options();
    opts.addOption("child_class", true, "Java child class to be executed by the Container");
    opts.addOption("child_args", true, "Command line args for the child class");
    opts.addOption("child_env", true, "Environment for child class. Specified as env_key=env_val pairs");
    opts.addOption("priority", true, "Priority for the child class containers");
    opts.addOption("container_memory", true, "Amount of memory in MB to be requested to run the shell command");
    opts.addOption("num_containers", true, "No. of containers on which the shell command needs to be executed");
    opts.addOption("help", false, "Print usage");
    CommandLine cliParser = new GnuParser().parse(opts, args);

    if (args.length == 0) {
        printUsage(opts);
        throw new IllegalArgumentException("No args specified for application master to initialize");
    }

    Map<String, String> envs = System.getenv();
    appAttemptID = Records.newRecord(ApplicationAttemptId.class);
    if (!envs.containsKey(ApplicationConstants.AM_CONTAINER_ID_ENV)) {
        if (cliParser.hasOption("app_attempt_id")) {
            String appIdStr = cliParser.getOptionValue("app_attempt_id", "");
            appAttemptID = ConverterUtils.toApplicationAttemptId(appIdStr);
        } else {
            throw new IllegalArgumentException("Application Attempt Id not set in the environment");
        }
    } else {
        ContainerId containerId = ConverterUtils
                .toContainerId(envs.get(ApplicationConstants.AM_CONTAINER_ID_ENV));
        appAttemptID = containerId.getApplicationAttemptId();
    }
    LOG.info("Application master for app" + ", appId=" + appAttemptID.getApplicationId().getId()
            + ", clustertimestamp=" + appAttemptID.getApplicationId().getClusterTimestamp() + ", attemptId="
            + appAttemptID.getAttemptId());

    if (!cliParser.hasOption("child_class")) {
        System.err.println("No child_class specified to be executed by container");
        return false;
    }
    childClass = cliParser.getOptionValue("child_class");
    if (cliParser.hasOption("child_args")) {
        childArgs = cliParser.getOptionValue("child_args");
    }
    if (cliParser.hasOption("child_env")) {
        String childEnvs[] = cliParser.getOptionValues("child_env");
        for (String env : childEnvs) {
            env = env.trim();
            int index = env.indexOf('=');
            if (index == -1) {
                childEnv.put(env, "");
                continue;
            }
            String key = env.substring(0, index);
            String val = "";
            if (index < (env.length() - 1)) {
                val = env.substring(index + 1);
            }
            childEnv.put(key, val);
        }
    }
    if (envs.containsKey(DSConstants.DISTRIBUTED_CHILDCLASS_LOCATION)) {
        childJarPath = envs.get(DSConstants.DISTRIBUTED_CHILDCLASS_LOCATION);
    }
    if (envs.containsKey(DSConstants.DISTRIBUTED_CHILDCLASS_TIMESTAMP)) {
        childJarPathTimestamp = Long.valueOf(envs.get(DSConstants.DISTRIBUTED_CHILDCLASS_TIMESTAMP));
    }
    if (envs.containsKey(DSConstants.DISTRIBUTED_CHILDCLASS_LEN)) {
        childJarPathLen = Long.valueOf(envs.get(DSConstants.DISTRIBUTED_CHILDCLASS_LEN));
    }
    containerMemory = Integer.parseInt(cliParser.getOptionValue("container_memory", "10"));
    numTotalContainers = Integer.parseInt(cliParser.getOptionValue("num_containers", "1"));
    requestPriority = Integer.parseInt(cliParser.getOptionValue("priority", "0"));

    return true;
}

From source file:org.apache.hadoop.streaming.MapStreamJob.java

void parseArgv() {
    CommandLine cmdLine = null;
    try {/*from  w  ww  . j  a  va 2s. c om*/
        cmdLine = parser.parse(allOptions, argv_);
    } catch (Exception oe) {
        LOG.error(oe.getMessage());
        exitUsage(argv_.length > 0 && "-info".equals(argv_[0]));
    }

    if (cmdLine != null) {
        verbose_ = cmdLine.hasOption("verbose");
        detailedUsage_ = cmdLine.hasOption("info");
        debug_ = cmdLine.hasOption("debug") ? debug_ + 1 : debug_;

        String[] values = cmdLine.getOptionValues("input");
        if (values != null && values.length > 0) {
            for (String input : values) {
                inputSpecs_.add(input);
            }
        }
        output_ = (String) cmdLine.getOptionValue("output");

        // mapred Sample : TEST/mapper.py/reducer.py
        values = cmdLine.getOptionValues("mapred");
        if (values != null && values.length > 0) {
            for (String mapred : values) {
                String[] buf = mapred.split("/");
                if (buf.length < 2) {
                    // error
                }
                dirKey_.add(buf[0]);
                mapCmd_.add(buf[1]);
                redCmd_.add(buf[2]);
            }
        }

        comCmd_ = (String) cmdLine.getOptionValue("combiner");

        values = cmdLine.getOptionValues("file");
        if (values != null && values.length > 0) {
            for (String file : values) {
                packageFiles_.add(file);
            }
            validate(packageFiles_);
        }

        String fsName = (String) cmdLine.getOptionValue("dfs");
        if (null != fsName) {
            LOG.warn("-dfs option is deprecated, please use -fs instead.");
            config_.set("fs.default.name", fsName);
        }

        additionalConfSpec_ = (String) cmdLine.getOptionValue("additionalconfspec");
        inputFormatSpec_ = (String) cmdLine.getOptionValue("inputformat");
        outputFormatSpec_ = (String) cmdLine.getOptionValue("outputformat");
        numReduceTasksSpec_ = (String) cmdLine.getOptionValue("numReduceTasks");
        partitionerSpec_ = (String) cmdLine.getOptionValue("partitioner");
        inReaderSpec_ = (String) cmdLine.getOptionValue("inputreader");
        mapDebugSpec_ = (String) cmdLine.getOptionValue("mapdebug");
        reduceDebugSpec_ = (String) cmdLine.getOptionValue("reducedebug");

        String[] car = cmdLine.getOptionValues("cacheArchive");
        if (null != car && car.length > 0) {
            LOG.warn("-cacheArchive option is deprecated, please use -archives instead.");
            for (String s : car) {
                cacheArchives = (cacheArchives == null) ? s : cacheArchives + "," + s;
            }
        }

        String[] caf = cmdLine.getOptionValues("cacheFile");
        if (null != caf && caf.length > 0) {
            LOG.warn("-cacheFile option is deprecated, please use -files instead.");
            for (String s : caf) {
                cacheFiles = (cacheFiles == null) ? s : cacheFiles + "," + s;
            }
        }

        String[] jobconf = cmdLine.getOptionValues("jobconf");
        if (null != jobconf && jobconf.length > 0) {
            LOG.warn("-jobconf option is deprecated, please use -D instead.");
            for (String s : jobconf) {
                String[] parts = s.split("=", 2);
                config_.set(parts[0], parts[1]);
            }
        }

        String[] cmd = cmdLine.getOptionValues("cmdenv");
        if (null != cmd && cmd.length > 0) {
            for (String s : cmd) {
                if (addTaskEnvironment_.length() > 0) {
                    addTaskEnvironment_ += " ";
                }
                addTaskEnvironment_ += s;
            }
        }
    } else {
        exitUsage(argv_.length > 0 && "-info".equals(argv_[0]));
    }
}

From source file:org.apache.hadoop.streaming.RedStreamJob.java

void parseArgv() {
    CommandLine cmdLine = null;
    try {//  w w  w. j  a  v  a 2 s  .c o m
        cmdLine = parser.parse(allOptions, argv_);
    } catch (Exception oe) {
        LOG.error(dirKey + " informs\t" + oe.getMessage());
        exitUsage(argv_.length > 0 && "-info".equals(argv_[0]));
    }

    if (cmdLine != null) {
        verbose_ = cmdLine.hasOption("verbose");
        detailedUsage_ = cmdLine.hasOption("info");
        debug_ = cmdLine.hasOption("debug") ? debug_ + 1 : debug_;

        String[] values = cmdLine.getOptionValues("input");
        if (values != null && values.length > 0) {
            for (String input : values) {
                inputSpecs_.add(input);
            }
        }
        output_ = (String) cmdLine.getOptionValue("output");
        dirKey = output_.substring(output_.lastIndexOf("/") + 1);

        mapCmd_ = (String) cmdLine.getOptionValue("mapper");
        comCmd_ = (String) cmdLine.getOptionValue("combiner");
        redCmd_ = (String) cmdLine.getOptionValue("reducer");

        values = cmdLine.getOptionValues("file");
        if (values != null && values.length > 0) {
            for (String file : values) {
                packageFiles_.add(file);
            }
            validate(packageFiles_);
        }

        String fsName = (String) cmdLine.getOptionValue("dfs");
        if (null != fsName) {
            LOG.warn(dirKey + " warns\t" + "-dfs option is deprecated, please use -fs instead.");
            config_.set("fs.default.name", fsName);
        }

        additionalConfSpec_ = (String) cmdLine.getOptionValue("additionalconfspec");
        inputFormatSpec_ = (String) cmdLine.getOptionValue("inputformat");
        outputFormatSpec_ = (String) cmdLine.getOptionValue("outputformat");
        numReduceTasksSpec_ = (String) cmdLine.getOptionValue("numReduceTasks");
        partitionerSpec_ = (String) cmdLine.getOptionValue("partitioner");
        inReaderSpec_ = (String) cmdLine.getOptionValue("inputreader");
        mapDebugSpec_ = (String) cmdLine.getOptionValue("mapdebug");
        reduceDebugSpec_ = (String) cmdLine.getOptionValue("reducedebug");

        String[] car = cmdLine.getOptionValues("cacheArchive");
        if (null != car && car.length > 0) {
            LOG.warn(dirKey + " warns\t" + "-cacheArchive option is deprecated, please use -archives instead.");
            for (String s : car) {
                cacheArchives = (cacheArchives == null) ? s : cacheArchives + "," + s;
            }
        }

        String[] caf = cmdLine.getOptionValues("cacheFile");
        if (null != caf && caf.length > 0) {
            LOG.warn(dirKey + " warns\t" + "-cacheFile option is deprecated, please use -files instead.");
            for (String s : caf) {
                cacheFiles = (cacheFiles == null) ? s : cacheFiles + "," + s;
            }
        }

        String[] jobconf = cmdLine.getOptionValues("jobconf");
        if (null != jobconf && jobconf.length > 0) {
            LOG.warn(dirKey + " warns\t" + "-jobconf option is deprecated, please use -D instead.");
            for (String s : jobconf) {
                String[] parts = s.split("=", 2);
                config_.set(parts[0], parts[1]);
            }
        }

        String[] cmd = cmdLine.getOptionValues("cmdenv");
        if (null != cmd && cmd.length > 0) {
            for (String s : cmd) {
                if (addTaskEnvironment_.length() > 0) {
                    addTaskEnvironment_ += " ";
                }
                addTaskEnvironment_ += s;
            }
        }
    } else {
        exitUsage(argv_.length > 0 && "-info".equals(argv_[0]));
    }
}

From source file:org.apache.hadoop.streaming.StreamJob.java

void parseArgv() {
    CommandLine cmdLine = null;
    try {//w  w  w  .j  a  v a2 s .  co m
        cmdLine = parser.parse(allOptions, argv_);
    } catch (Exception oe) {
        LOG.error(oe.getMessage());
        exitUsage(argv_.length > 0 && "-info".equals(argv_[0]));
    }

    if (cmdLine != null) {
        verbose_ = cmdLine.hasOption("verbose");
        detailedUsage_ = cmdLine.hasOption("info");
        debug_ = cmdLine.hasOption("debug") ? debug_ + 1 : debug_;

        String[] values = cmdLine.getOptionValues("input");
        if (values != null && values.length > 0) {
            for (String input : values) {
                inputSpecs_.add(input);
            }
        }
        output_ = (String) cmdLine.getOptionValue("output");

        mapCmd_ = (String) cmdLine.getOptionValue("mapper");
        comCmd_ = (String) cmdLine.getOptionValue("combiner");
        redCmd_ = (String) cmdLine.getOptionValue("reducer");

        values = cmdLine.getOptionValues("file");
        if (values != null && values.length > 0) {
            for (String file : values) {
                packageFiles_.add(file);
            }
            validate(packageFiles_);
        }

        String fsName = (String) cmdLine.getOptionValue("dfs");
        if (null != fsName) {
            LOG.warn("-dfs option is deprecated, please use -fs instead.");
            config_.set("fs.default.name", fsName);
        }

        additionalConfSpec_ = (String) cmdLine.getOptionValue("additionalconfspec");
        inputFormatSpec_ = (String) cmdLine.getOptionValue("inputformat");
        outputFormatSpec_ = (String) cmdLine.getOptionValue("outputformat");
        numReduceTasksSpec_ = (String) cmdLine.getOptionValue("numReduceTasks");
        partitionerSpec_ = (String) cmdLine.getOptionValue("partitioner");
        inReaderSpec_ = (String) cmdLine.getOptionValue("inputreader");
        mapDebugSpec_ = (String) cmdLine.getOptionValue("mapdebug");
        reduceDebugSpec_ = (String) cmdLine.getOptionValue("reducedebug");
        ioSpec_ = (String) cmdLine.getOptionValue("io");

        String[] car = cmdLine.getOptionValues("cacheArchive");
        if (null != car && car.length > 0) {
            LOG.warn("-cacheArchive option is deprecated, please use -archives instead.");
            for (String s : car) {
                cacheArchives = (cacheArchives == null) ? s : cacheArchives + "," + s;
            }
        }

        String[] caf = cmdLine.getOptionValues("cacheFile");
        if (null != caf && caf.length > 0) {
            LOG.warn("-cacheFile option is deprecated, please use -files instead.");
            for (String s : caf) {
                cacheFiles = (cacheFiles == null) ? s : cacheFiles + "," + s;
            }
        }

        String[] jobconf = cmdLine.getOptionValues("jobconf");
        if (null != jobconf && jobconf.length > 0) {
            LOG.warn("-jobconf option is deprecated, please use -D instead.");
            for (String s : jobconf) {
                String[] parts = s.split("=", 2);
                config_.set(parts[0], parts[1]);
            }
        }

        String[] cmd = cmdLine.getOptionValues("cmdenv");
        if (null != cmd && cmd.length > 0) {
            for (String s : cmd) {
                if (addTaskEnvironment_.length() > 0) {
                    addTaskEnvironment_ += " ";
                }
                addTaskEnvironment_ += s;
            }
        }
    } else {
        exitUsage(argv_.length > 0 && "-info".equals(argv_[0]));
    }
}

From source file:org.apache.hadoop.test.MiniHadoopClusterManager.java

/**
 * Parses arguments and fills out the member variables.
 *
 * @param args/*from   w w  w.  j  a  v a2  s. c  om*/
 *          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()) {
            System.err.println("Unrecognized option: " + arg);
            new HelpFormatter().printHelp("...", options);
            return false;
        }
    }

    // MR
    noMR = cli.hasOption("nomr");
    numTaskTrackers = intArgument(cli, "tasktrackers", 1);
    jtPort = intArgument(cli, "jtPort", 0);
    fs = cli.getOptionValue("namenode");

    // HDFS
    noDFS = cli.hasOption("nodfs");
    numDataNodes = intArgument(cli, "datanodes", 1);
    nnPort = intArgument(cli, "nnport", 0);
    dfsOpts = cli.hasOption("format") ? StartupOption.FORMAT : StartupOption.REGULAR;

    // Runner
    writeDetails = cli.getOptionValue("writeDetails");
    writeConfig = cli.getOptionValue("writeConfig");

    // General
    conf = new JobConf();
    updateConfiguration(conf, cli.getOptionValues("D"));

    return true;
}