Example usage for org.apache.commons.cli2.builder ArgumentBuilder ArgumentBuilder

List of usage examples for org.apache.commons.cli2.builder ArgumentBuilder ArgumentBuilder

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Introduction

In this page you can find the example usage for org.apache.commons.cli2.builder ArgumentBuilder ArgumentBuilder.

Prototype

public ArgumentBuilder()

Source Link

Document

Creates a new ArgumentBuilder instance

Usage

From source file:imageClassify.Describe.java

public static void main(String[] args) throws IOException, DescriptorException {

    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option pathOpt = obuilder.withLongName("path").withShortName("p").withRequired(true)
            .withArgument(abuilder.withName("path").withMinimum(1).withMaximum(1).create())
            .withDescription("Data path").create();

    Option descriptorOpt = obuilder.withLongName("descriptor").withShortName("d").withRequired(true)
            .withArgument(abuilder.withName("descriptor").withMinimum(1).create())
            .withDescription("data descriptor").create();

    Option descPathOpt = obuilder.withLongName("file").withShortName("f").withRequired(true)
            .withArgument(abuilder.withName("file").withMinimum(1).withMaximum(1).create())
            .withDescription("Path to generated descriptor file").create();

    Option regOpt = obuilder.withLongName("regression").withDescription("Regression Problem").withShortName("r")
            .create();//from   ww  w .ja v a  2  s  .com

    Option helpOpt = obuilder.withLongName("help").withDescription("Print out help").withShortName("h")
            .create();

    Group group = gbuilder.withName("Options").withOption(pathOpt).withOption(descPathOpt)
            .withOption(descriptorOpt).withOption(regOpt).withOption(helpOpt).create();

    try {
        Parser parser = new Parser();
        parser.setGroup(group);
        CommandLine cmdLine = parser.parse(args);

        if (cmdLine.hasOption(helpOpt)) {
            CommandLineUtil.printHelp(group);
            return;
        }

        String dataPath = cmdLine.getValue(pathOpt).toString();
        String descPath = cmdLine.getValue(descPathOpt).toString();
        List<String> descriptor = convert(cmdLine.getValues(descriptorOpt));
        boolean regression = cmdLine.hasOption(regOpt);

        log.debug("Data path : {}", dataPath);
        log.debug("Descriptor path : {}", descPath);
        log.debug("Descriptor : {}", descriptor);
        log.debug("Regression : {}", regression);

        runTool(dataPath, descriptor, descPath, regression);
    } catch (OptionException e) {
        log.warn(e.toString());
        CommandLineUtil.printHelp(group);
    }
}

From source file:com.tamingtext.tagging.LuceneTagExtractor.java

public static void main(String[] args) throws IOException {
    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option inputOpt = obuilder.withLongName("dir").withRequired(true)
            .withArgument(abuilder.withName("dir").withMinimum(1).withMaximum(1).create())
            .withDescription("The Lucene directory").withShortName("d").create();

    Option outputOpt = obuilder.withLongName("output").withRequired(false)
            .withArgument(abuilder.withName("output").withMinimum(1).withMaximum(1).create())
            .withDescription("The output directory").withShortName("o").create();

    Option maxOpt = obuilder.withLongName("max").withRequired(false)
            .withArgument(abuilder.withName("max").withMinimum(1).withMaximum(1).create())
            .withDescription(//from  ww w.  j  a v  a 2s  .  c om
                    "The maximum number of vectors to output.  If not specified, then it will loop over all docs")
            .withShortName("m").create();

    Option fieldOpt = obuilder.withLongName("field").withRequired(true)
            .withArgument(abuilder.withName("field").withMinimum(1).withMaximum(1).create())
            .withDescription("The field in the index").withShortName("f").create();

    Option helpOpt = obuilder.withLongName("help").withDescription("Print out help").withShortName("h")
            .create();

    Group group = gbuilder.withName("Options").withOption(inputOpt).withOption(outputOpt).withOption(maxOpt)
            .withOption(fieldOpt).create();

    try {
        Parser parser = new Parser();
        parser.setGroup(group);
        CommandLine cmdLine = parser.parse(args);

        if (cmdLine.hasOption(helpOpt)) {
            CommandLineUtil.printHelp(group);
            return;
        }

        File file = new File(cmdLine.getValue(inputOpt).toString());

        if (!file.isDirectory()) {
            throw new IllegalArgumentException(file + " does not exist or is not a directory");
        }

        long maxDocs = Long.MAX_VALUE;
        if (cmdLine.hasOption(maxOpt)) {
            maxDocs = Long.parseLong(cmdLine.getValue(maxOpt).toString());
        }

        if (maxDocs < 0) {
            throw new IllegalArgumentException("maxDocs must be >= 0");
        }

        String field = cmdLine.getValue(fieldOpt).toString();

        PrintWriter out = null;
        if (cmdLine.hasOption(outputOpt)) {
            out = new PrintWriter(new FileWriter(cmdLine.getValue(outputOpt).toString()));
        } else {
            out = new PrintWriter(new OutputStreamWriter(System.out, "UTF-8"));
        }

        File output = new File("/home/drew/taming-text/delicious/training");
        output.mkdirs();

        emitTextForTags(file, output);

        IOUtils.close(Collections.singleton(out));
    } catch (OptionException e) {
        log.error("Exception", e);
        CommandLineUtil.printHelp(group);
    }

}

From source file:com.tamingtext.tagging.LuceneCategoryExtractor.java

public static void main(String[] args) throws IOException {
    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option inputOpt = obuilder.withLongName("dir").withRequired(true)
            .withArgument(abuilder.withName("dir").withMinimum(1).withMaximum(1).create())
            .withDescription("The Lucene directory").withShortName("d").create();

    Option outputOpt = obuilder.withLongName("output").withRequired(false)
            .withArgument(abuilder.withName("output").withMinimum(1).withMaximum(1).create())
            .withDescription("The output directory").withShortName("o").create();

    Option maxOpt = obuilder.withLongName("max").withRequired(false)
            .withArgument(abuilder.withName("max").withMinimum(1).withMaximum(1).create())
            .withDescription(// w w  w  .  j a  va  2 s .  c  o m
                    "The maximum number of documents to analyze.  If not specified, then it will loop over all docs")
            .withShortName("m").create();

    Option fieldOpt = obuilder.withLongName("field").withRequired(true)
            .withArgument(abuilder.withName("field").withMinimum(1).withMaximum(1).create())
            .withDescription("The field in the index").withShortName("f").create();

    Option helpOpt = obuilder.withLongName("help").withDescription("Print out help").withShortName("h")
            .create();

    Group group = gbuilder.withName("Options").withOption(inputOpt).withOption(outputOpt).withOption(maxOpt)
            .withOption(fieldOpt).create();

    try {
        Parser parser = new Parser();
        parser.setGroup(group);
        CommandLine cmdLine = parser.parse(args);

        if (cmdLine.hasOption(helpOpt)) {
            CommandLineUtil.printHelp(group);
            return;
        }

        File inputDir = new File(cmdLine.getValue(inputOpt).toString());

        if (!inputDir.isDirectory()) {
            throw new IllegalArgumentException(inputDir + " does not exist or is not a directory");
        }

        long maxDocs = Long.MAX_VALUE;
        if (cmdLine.hasOption(maxOpt)) {
            maxDocs = Long.parseLong(cmdLine.getValue(maxOpt).toString());
        }

        if (maxDocs < 0) {
            throw new IllegalArgumentException("maxDocs must be >= 0");
        }

        String field = cmdLine.getValue(fieldOpt).toString();

        PrintWriter out = null;
        if (cmdLine.hasOption(outputOpt)) {
            out = new PrintWriter(new FileWriter(cmdLine.getValue(outputOpt).toString()));
        } else {
            out = new PrintWriter(new OutputStreamWriter(System.out, "UTF-8"));
        }

        dumpDocumentFields(inputDir, field, maxDocs, out);

        IOUtils.close(Collections.singleton(out));
    } catch (OptionException e) {
        log.error("Exception", e);
        CommandLineUtil.printHelp(group);
    }

}

From source file:hack.VectorScan.java

public static void main(String[] args) throws Exception {
    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option seqOpt = obuilder.withLongName("seqFile").withRequired(false)
            .withArgument(abuilder.withName("seqFile").withMinimum(1).withMaximum(1).create())
            .withDescription("The Sequence File containing the Clusters").withShortName("s").create();
    Option outputOpt = obuilder.withLongName("output").withRequired(false)
            .withArgument(abuilder.withName("output").withMinimum(1).withMaximum(1).create())
            .withDescription("The output file.  If not specified, dumps to the console").withShortName("o")
            .create();/*from  www .j a  v  a 2s. c  o  m*/
    Option substringOpt = obuilder.withLongName("substring").withRequired(false)
            .withArgument(abuilder.withName("substring").withMinimum(1).withMaximum(1).create())
            .withDescription("The number of chars of the asFormatString() to print").withShortName("b")
            .create();
    Option countOpt = obuilder.withLongName("count").withRequired(false)
            .withDescription("Report the count only").withShortName("c").create();
    Option helpOpt = obuilder.withLongName("help").withDescription("Print out help").withShortName("h")
            .create();

    Group group = gbuilder.withName("Options").withOption(seqOpt).withOption(outputOpt).withOption(substringOpt)
            .withOption(countOpt).withOption(helpOpt).create();

    try {
        Parser parser = new Parser();
        parser.setGroup(group);
        CommandLine cmdLine = parser.parse(args);

        if (cmdLine.hasOption(helpOpt)) {

            printHelp(group);
            return;
        }

        boolean doCount = false;
        if (cmdLine.hasOption(countOpt))
            doCount = true;

        if (cmdLine.hasOption(seqOpt)) {
            Path path = new Path(cmdLine.getValue(seqOpt).toString());
            Configuration conf = new Configuration();
            FileSystem fs = FileSystem.get(path.toUri(), conf);
            SequenceFile.Reader reader = new SequenceFile.Reader(fs, path, conf);
            int start = 4;
            int end = 5;
            int samples = 1000;
            SimplexSpace<String>[] spaces = makeSpaces(start, end, doCount);
            try {
                int sub = Integer.MAX_VALUE;
                if (cmdLine.hasOption(substringOpt)) {
                    sub = Integer.parseInt(cmdLine.getValue(substringOpt).toString());
                }
                Text key = (Text) reader.getKeyClass().asSubclass(Writable.class).newInstance();
                VectorWritable value = (VectorWritable) reader.getValueClass().asSubclass(Writable.class)
                        .newInstance();
                int count = 0;
                while (reader.next(key, value)) {
                    String text = key.toString();
                    Vector v = value.get();
                    //            int size = v.size();
                    //            int density = v.getNumNondefaultElements();
                    //            System.out.println(size + "," + density);
                    addSpaces(spaces, start, text, v);
                    count++;
                    if (count % 1000 == 0)
                        System.out.print(".");
                    if (count == samples)
                        break;
                }
                if (doCount)
                    printSpacesCounts(spaces, start, samples);
                else
                    printSpacesFull(spaces, start, samples);
            } finally {
            }
        }

    } catch (OptionException e) {
        log.error("Exception", e);
        printHelp(group);
    }

}

From source file:chapter7.src.InputDriver.java

public static void main(String[] args) throws IOException, InterruptedException, ClassNotFoundException {
    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option inputOpt = DefaultOptionCreator.inputOption().withRequired(false).create();
    Option outputOpt = DefaultOptionCreator.outputOption().withRequired(false).create();
    Option vectorOpt = obuilder.withLongName("vector").withRequired(false)
            .withArgument(abuilder.withName("v").withMinimum(1).withMaximum(1).create())
            .withDescription("The vector implementation to use.").withShortName("v").create();

    Option helpOpt = DefaultOptionCreator.helpOption();

    Group group = gbuilder.withName("Options").withOption(inputOpt).withOption(outputOpt).withOption(vectorOpt)
            .withOption(helpOpt).create();

    try {/*from w w  w  .j  a  va2s  .c  o  m*/
        Parser parser = new Parser();
        parser.setGroup(group);
        CommandLine cmdLine = parser.parse(args);
        if (cmdLine.hasOption(helpOpt)) {
            CommandLineUtil.printHelp(group);
            return;
        }

        Path input = new Path(cmdLine.getValue(inputOpt, "testdata").toString());
        Path output = new Path(cmdLine.getValue(outputOpt, "output").toString());
        String vectorClassName = cmdLine.getValue(vectorOpt, "org.apache.mahout.math.RandomAccessSparseVector")
                .toString();
        //runJob(input, output, vectorClassName);
    } catch (OptionException e) {
        InputDriver.log.error("Exception parsing command line: ", e);
        CommandLineUtil.printHelp(group);
    }
}

From source file:com.tamingtext.classifier.maxent.TestMaxent.java

/**
 * @param args//from w  w  w  . ja  v  a2 s  .  c o  m
 */
public static void main(String[] args) throws IOException {
    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option helpOpt = DefaultOptionCreator.helpOption();

    Option inputDirOpt = obuilder.withLongName("input").withRequired(true)
            .withArgument(abuilder.withName("input").withMinimum(1).withMaximum(1).create())
            .withDescription("The input directory").withShortName("i").create();

    Option modelOpt = obuilder.withLongName("model").withRequired(true)
            .withArgument(abuilder.withName("index").withMinimum(1).withMaximum(1).create())
            .withDescription("The directory containing the index model").withShortName("m").create();

    Group group = gbuilder.withName("Options").withOption(helpOpt).withOption(inputDirOpt).withOption(modelOpt)
            .create();

    try {
        Parser parser = new Parser();

        parser.setGroup(group);
        parser.setHelpOption(helpOpt);
        CommandLine cmdLine = parser.parse(args);
        if (cmdLine.hasOption(helpOpt)) {
            CommandLineUtil.printHelp(group);
            return;
        }

        String inputPath = (String) cmdLine.getValue(inputDirOpt);
        File f = new File(inputPath);
        if (!f.isDirectory()) {
            throw new IllegalArgumentException(f + " is not a directory or does not exit");
        }
        File[] inputFiles = FileUtil.buildFileList(f);

        File modelDir = new File((String) cmdLine.getValue(modelOpt));
        execute(inputFiles, modelDir);
    } catch (OptionException e) {
        log.error("Error while parsing options", e);
    }

}

From source file:com.tamingtext.classifier.mlt.TestMoreLikeThis.java

public static void main(String[] args) throws Exception {
    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option helpOpt = DefaultOptionCreator.helpOption();

    Option inputDirOpt = obuilder.withLongName("input").withRequired(true)
            .withArgument(abuilder.withName("input").withMinimum(1).withMaximum(1).create())
            .withDescription("The input directory").withShortName("i").create();

    Option modelOpt = obuilder.withLongName("model").withRequired(true)
            .withArgument(abuilder.withName("index").withMinimum(1).withMaximum(1).create())
            .withDescription("The directory containing the index model").withShortName("m").create();

    Option categoryFieldOpt = obuilder.withLongName("categoryField").withRequired(true)
            .withArgument(abuilder.withName("index").withMinimum(1).withMaximum(1).create())
            .withDescription("Name of the field containing category information").withShortName("catf")
            .create();/*from  w ww.  j  a  v  a  2 s. c  o  m*/

    Option contentFieldOpt = obuilder.withLongName("contentField").withRequired(true)
            .withArgument(abuilder.withName("index").withMinimum(1).withMaximum(1).create())
            .withDescription("Name of the field containing content information").withShortName("contf")
            .create();

    Option maxResultsOpt = obuilder.withLongName("maxResults").withRequired(false)
            .withArgument(abuilder.withName("gramSize").withMinimum(1).withMaximum(1).create())
            .withDescription("Number of results to retrive, default: 10 ").withShortName("r").create();

    Option gramSizeOpt = obuilder.withLongName("gramSize").withRequired(false)
            .withArgument(abuilder.withName("gramSize").withMinimum(1).withMaximum(1).create())
            .withDescription("Size of the n-gram. Default Value: 1 ").withShortName("ng").create();

    Option typeOpt = obuilder.withLongName("classifierType").withRequired(false)
            .withArgument(abuilder.withName("classifierType").withMinimum(1).withMaximum(1).create())
            .withDescription("Type of classifier: knn|tfidf. Default: bayes").withShortName("type").create();

    Group group = gbuilder.withName("Options").withOption(gramSizeOpt).withOption(helpOpt)
            .withOption(inputDirOpt).withOption(modelOpt).withOption(typeOpt).withOption(contentFieldOpt)
            .withOption(categoryFieldOpt).withOption(maxResultsOpt).create();

    try {
        Parser parser = new Parser();

        parser.setGroup(group);
        parser.setHelpOption(helpOpt);
        CommandLine cmdLine = parser.parse(args);
        if (cmdLine.hasOption(helpOpt)) {
            CommandLineUtil.printHelp(group);
            return;
        }

        String classifierType = (String) cmdLine.getValue(typeOpt);

        int gramSize = 1;
        if (cmdLine.hasOption(gramSizeOpt)) {
            gramSize = Integer.parseInt((String) cmdLine.getValue(gramSizeOpt));
        }

        int maxResults = 10;
        if (cmdLine.hasOption(maxResultsOpt)) {
            maxResults = Integer.parseInt((String) cmdLine.getValue(maxResultsOpt));
        }

        String inputPath = (String) cmdLine.getValue(inputDirOpt);
        String modelPath = (String) cmdLine.getValue(modelOpt);
        String categoryField = (String) cmdLine.getValue(categoryFieldOpt);
        String contentField = (String) cmdLine.getValue(contentFieldOpt);

        MatchMode mode;

        if ("knn".equalsIgnoreCase(classifierType)) {
            mode = MatchMode.KNN;
        } else if ("tfidf".equalsIgnoreCase(classifierType)) {
            mode = MatchMode.TFIDF;
        } else {
            throw new IllegalArgumentException("Unkown classifierType: " + classifierType);
        }

        Directory directory = FSDirectory.open(new File(modelPath));
        IndexReader indexReader = IndexReader.open(directory);
        Analyzer analyzer //<co id="mlt.analyzersetup"/>
                = new EnglishAnalyzer(Version.LUCENE_36);

        MoreLikeThisCategorizer categorizer = new MoreLikeThisCategorizer(indexReader, categoryField);
        categorizer.setAnalyzer(analyzer);
        categorizer.setMatchMode(mode);
        categorizer.setFieldNames(new String[] { contentField });
        categorizer.setMaxResults(maxResults);
        categorizer.setNgramSize(gramSize);

        File f = new File(inputPath);
        if (!f.isDirectory()) {
            throw new IllegalArgumentException(f + " is not a directory or does not exit");
        }

        File[] inputFiles = FileUtil.buildFileList(f);

        String line = null;
        //<start id="lucene.examples.mlt.test"/>
        final ClassifierResult UNKNOWN = new ClassifierResult("unknown", 1.0);

        ResultAnalyzer resultAnalyzer = //<co id="co.mlt.ra"/>
                new ResultAnalyzer(categorizer.getCategories(), UNKNOWN.getLabel());

        for (File ff : inputFiles) { //<co id="co.mlt.read"/>
            BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(ff), "UTF-8"));
            while ((line = in.readLine()) != null) {
                String[] parts = line.split("\t");
                if (parts.length != 2) {
                    continue;
                }

                CategoryHits[] hits //<co id="co.mlt.cat"/>
                        = categorizer.categorize(new StringReader(parts[1]));
                ClassifierResult result = hits.length > 0 ? hits[0] : UNKNOWN;
                resultAnalyzer.addInstance(parts[0], result); //<co id="co.mlt.an"/>
            }

            in.close();
        }

        System.out.println(resultAnalyzer.toString());//<co id="co.mlt.print"/>
        /*
        <calloutlist>
          <callout arearefs="co.mlt.ra">Create <classname>ResultAnalyzer</classname></callout>
          <callout arearefs="co.mlt.read">Read Test data</callout>
          <callout arearefs="co.mlt.cat">Categorize</callout>
          <callout arearefs="co.mlt.an">Collect Results</callout>
          <callout arearefs="co.mlt.print">Display Results</callout>
        </calloutlist>
        */
        //<end id="lucene.examples.mlt.test"/>
    } catch (OptionException e) {
        log.error("Error while parsing options", e);
    }
}

From source file:com.tamingtext.classifier.bayes.ClassifyDocument.java

public static void main(String[] args) {
    log.info("Command-line arguments: " + Arrays.toString(args));

    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option inputOpt = obuilder.withLongName("input").withRequired(true)
            .withArgument(abuilder.withName("input").withMinimum(1).withMaximum(1).create())
            .withDescription("Input file").withShortName("i").create();

    Option modelOpt = obuilder.withLongName("model").withRequired(true)
            .withArgument(abuilder.withName("model").withMinimum(1).withMaximum(1).create())
            .withDescription("Model to use when classifying data").withShortName("m").create();

    Option helpOpt = obuilder.withLongName("help").withDescription("Print out help").withShortName("h")
            .create();//  w  ww . j  a va 2 s. c  o  m

    Group group = gbuilder.withName("Options").withOption(inputOpt).withOption(modelOpt).withOption(helpOpt)
            .create();

    try {
        Parser parser = new Parser();
        parser.setGroup(group);
        CommandLine cmdLine = parser.parse(args);

        if (cmdLine.hasOption(helpOpt)) {
            CommandLineUtil.printHelp(group);
            return;
        }

        File inputFile = new File(cmdLine.getValue(inputOpt).toString());

        if (!inputFile.isFile()) {
            throw new IllegalArgumentException(inputFile + " does not exist or is not a file");
        }

        File modelDir = new File(cmdLine.getValue(modelOpt).toString());

        if (!modelDir.isDirectory()) {
            throw new IllegalArgumentException(modelDir + " does not exist or is not a directory");
        }

        BayesParameters p = new BayesParameters();
        p.set("basePath", modelDir.getCanonicalPath());
        Datastore ds = new InMemoryBayesDatastore(p);
        Algorithm a = new BayesAlgorithm();
        ClassifierContext ctx = new ClassifierContext(a, ds);
        ctx.initialize();

        //TODO: make the analyzer configurable
        StandardAnalyzer analyzer = new StandardAnalyzer(Version.LUCENE_36);
        TokenStream ts = analyzer.tokenStream(null,
                new InputStreamReader(new FileInputStream(inputFile), "UTF-8"));

        ArrayList<String> tokens = new ArrayList<String>(1000);
        while (ts.incrementToken()) {
            tokens.add(ts.getAttribute(CharTermAttribute.class).toString());
        }
        String[] document = tokens.toArray(new String[tokens.size()]);

        ClassifierResult[] cr = ctx.classifyDocument(document, "unknown", 5);

        for (ClassifierResult r : cr) {
            System.err.println(r.getLabel() + "\t" + r.getScore());
        }
    } catch (OptionException e) {
        log.error("Exception", e);
        CommandLineUtil.printHelp(group);
    } catch (IOException e) {
        log.error("IOException", e);
    } catch (InvalidDatastoreException e) {
        log.error("InvalidDataStoreException", e);
    } finally {

    }
}

From source file:com.tamingtext.classifier.bayes.ExtractTrainingData.java

public static void main(String[] args) {

    log.info("Command-line arguments: " + Arrays.toString(args));

    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option inputOpt = obuilder.withLongName("dir").withRequired(true)
            .withArgument(abuilder.withName("dir").withMinimum(1).withMaximum(1).create())
            .withDescription("Lucene index directory containing input data").withShortName("d").create();

    Option categoryOpt = obuilder.withLongName("categories").withRequired(true)
            .withArgument(abuilder.withName("file").withMinimum(1).withMaximum(1).create())
            .withDescription("File containing a list of categories").withShortName("c").create();

    Option outputOpt = obuilder.withLongName("output").withRequired(false)
            .withArgument(abuilder.withName("output").withMinimum(1).withMaximum(1).create())
            .withDescription("Output directory").withShortName("o").create();

    Option categoryFieldsOpt = obuilder.withLongName("category-fields").withRequired(true)
            .withArgument(abuilder.withName("fields").withMinimum(1).withMaximum(1).create())
            .withDescription("Fields to match categories against (comma-delimited)").withShortName("cf")
            .create();//  w w  w  . j a v a2  s  .c om

    Option textFieldsOpt = obuilder.withLongName("text-fields").withRequired(true)
            .withArgument(abuilder.withName("fields").withMinimum(1).withMaximum(1).create())
            .withDescription("Fields from which to extract training text (comma-delimited)").withShortName("tf")
            .create();

    Option useTermVectorsOpt = obuilder.withLongName("use-term-vectors").withDescription(
            "Extract term vectors containing preprocessed data " + "instead of unprocessed, stored text values")
            .withShortName("tv").create();

    Option helpOpt = obuilder.withLongName("help").withDescription("Print out help").withShortName("h")
            .create();

    Group group = gbuilder.withName("Options").withOption(inputOpt).withOption(categoryOpt)
            .withOption(outputOpt).withOption(categoryFieldsOpt).withOption(textFieldsOpt)
            .withOption(useTermVectorsOpt).create();

    try {
        Parser parser = new Parser();
        parser.setGroup(group);
        CommandLine cmdLine = parser.parse(args);

        if (cmdLine.hasOption(helpOpt)) {
            CommandLineUtil.printHelp(group);
            return;
        }

        File inputDir = new File(cmdLine.getValue(inputOpt).toString());

        if (!inputDir.isDirectory()) {
            throw new IllegalArgumentException(inputDir + " does not exist or is not a directory");
        }

        File categoryFile = new File(cmdLine.getValue(categoryOpt).toString());

        if (!categoryFile.isFile()) {
            throw new IllegalArgumentException(categoryFile + " does not exist or is not a directory");
        }

        File outputDir = new File(cmdLine.getValue(outputOpt).toString());

        outputDir.mkdirs();

        if (!outputDir.isDirectory()) {
            throw new IllegalArgumentException(outputDir + " is not a directory or could not be created");
        }

        Collection<String> categoryFields = stringToList(cmdLine.getValue(categoryFieldsOpt).toString());

        if (categoryFields.size() < 1) {
            throw new IllegalArgumentException("At least one category field must be spcified.");
        }

        Collection<String> textFields = stringToList(cmdLine.getValue(textFieldsOpt).toString());

        if (categoryFields.size() < 1) {
            throw new IllegalArgumentException("At least one text field must be spcified.");
        }

        boolean useTermVectors = cmdLine.hasOption(useTermVectorsOpt);

        extractTraininingData(inputDir, categoryFile, categoryFields, textFields, outputDir, useTermVectors);

    } catch (OptionException e) {
        log.error("Exception", e);
        CommandLineUtil.printHelp(group);
    } catch (IOException e) {
        log.error("IOException", e);
    } finally {
        closeWriters();
    }
}

From source file:com.tamingtext.classifier.maxent.TrainMaxent.java

public static void main(String[] args) throws Exception {

    DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
    ArgumentBuilder abuilder = new ArgumentBuilder();
    GroupBuilder gbuilder = new GroupBuilder();

    Option helpOpt = DefaultOptionCreator.helpOption();

    Option inputDirOpt = obuilder.withLongName("input").withRequired(true)
            .withArgument(abuilder.withName("input").withMinimum(1).withMaximum(1).create())
            .withDescription("The input directory, containing properly formatted files: "
                    + "One doc per line, first entry on the line is the label, rest is the evidence")
            .withShortName("i").create();

    Option outputOpt = obuilder.withLongName("output").withRequired(true)
            .withArgument(abuilder.withName("output").withMinimum(1).withMaximum(1).create())
            .withDescription("The output directory").withShortName("o").create();

    Group group = gbuilder.withName("Options").withOption(helpOpt).withOption(inputDirOpt).withOption(outputOpt)
            .create();//from   ww  w . j  a  va2  s.co  m

    //.withOption(gramSizeOpt).withOption(typeOpt)

    try {
        Parser parser = new Parser();

        parser.setGroup(group);
        parser.setHelpOption(helpOpt);
        CommandLine cmdLine = parser.parse(args);
        if (cmdLine.hasOption(helpOpt)) {
            CommandLineUtil.printHelp(group);
            return;
        }

        String inputPath = (String) cmdLine.getValue(inputDirOpt);
        String outputPath = (String) cmdLine.getValue(outputOpt);
        TrainMaxent trainer = new TrainMaxent();
        trainer.train(inputPath, outputPath);
    } catch (OptionException e) {
        log.error("Error while parsing options", e);
    }
}