Example usage for java.io File exists

List of usage examples for java.io File exists

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Introduction

In this page you can find the example usage for java.io File exists.

Prototype

public boolean exists()

Source Link

Document

Tests whether the file or directory denoted by this abstract pathname exists.

Usage

From source file:com.linkedin.python.importer.ImporterCLI.java

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

    Options options = createOptions();//w w w .  j a v  a 2  s.c  o  m

    CommandLineParser parser = new DefaultParser();
    CommandLine line = parser.parse(options, args);

    if (line.hasOption("quite")) {
        Logger root = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
        root.setLevel(Level.WARN);
    }

    final File repoPath = new File(line.getOptionValue("repo"));
    final DependencySubstitution replacements = new DependencySubstitution(buildSubstitutionMap(line));

    repoPath.mkdirs();

    if (!repoPath.exists() || !repoPath.isDirectory()) {
        throw new RuntimeException(
                "Unable to continue, " + repoPath.getAbsolutePath() + " does not exist, or is not a directory");
    }

    for (String dependency : line.getArgList()) {
        new DependencyDownloader(dependency, repoPath, replacements).download();
    }

    logger.info("Execution Finished!");
}

From source file:com.galois.fiveui.HeadlessRunner.java

/**
 * @param args list of headless run description filenames
 * @throws IOException//from  w ww  .j a va2  s .com
 * @throws URISyntaxException
 * @throws ParseException
 */
@SuppressWarnings("static-access")
public static void main(final String[] args) throws IOException, URISyntaxException, ParseException {

    // Setup command line options
    Options options = new Options();
    Option help = new Option("h", "print this help message");
    Option output = OptionBuilder.withArgName("outfile").hasArg().withDescription("write output to file")
            .create("o");
    Option report = OptionBuilder.withArgName("report directory").hasArg()
            .withDescription("write HTML reports to given directory").create("r");
    options.addOption(output);
    options.addOption(report);
    options.addOption("v", false, "verbose output");
    options.addOption("vv", false, "VERY verbose output");
    options.addOption(help);

    // Parse command line options
    CommandLineParser parser = new GnuParser();
    CommandLine cmd = null;
    try {
        cmd = parser.parse(options, args);
    } catch (ParseException e) {
        System.err.println("Command line option parsing failed.  Reason: " + e.getMessage());
        System.exit(1);
    }

    // Display help if requested
    if (cmd.hasOption("h")) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("headless <input file 1> [<input file 2> ...]", options);
        System.exit(1);
    }

    // Set logging levels
    BasicConfigurator.configure();
    Logger fiveuiLogger = Logger.getLogger("com.galois.fiveui");
    Logger rootLogger = Logger.getRootLogger();
    if (cmd.hasOption("v")) {
        fiveuiLogger.setLevel(Level.DEBUG);
        rootLogger.setLevel(Level.ERROR);
    } else if (cmd.hasOption("vv")) {
        fiveuiLogger.setLevel(Level.DEBUG);
        rootLogger.setLevel(Level.DEBUG);
    } else {
        fiveuiLogger.setLevel(Level.ERROR);
        rootLogger.setLevel(Level.ERROR);
    }

    // Setup output file if requested
    PrintWriter outStream = null;
    if (cmd.hasOption("o")) {
        String outfile = cmd.getOptionValue("o");
        try {
            outStream = new PrintWriter(new BufferedWriter(new FileWriter(outfile)));
        } catch (IOException e) {
            System.err.println("Could not open outfile for writing: " + cmd.getOptionValue("outfile"));
            System.exit(1);
        }
    } else {
        outStream = new PrintWriter(new BufferedWriter(new PrintWriter(System.out)));
    }

    // Setup HTML reports directory before the major work happens in case we
    // have to throw an exception.
    PrintWriter summaryFile = null;
    PrintWriter byURLFile = null;
    PrintWriter byRuleFile = null;
    if (cmd.hasOption("r")) {
        String repDir = cmd.getOptionValue("r");
        try {
            File file = new File(repDir);
            if (!file.exists()) {
                file.mkdir();
                logger.info("report directory created: " + repDir);
            } else {
                logger.info("report directory already exists!");
            }
            summaryFile = new PrintWriter(new FileWriter(repDir + File.separator + "summary.html"));
            byURLFile = new PrintWriter(new FileWriter(repDir + File.separator + "byURL.html"));
            byRuleFile = new PrintWriter(new FileWriter(repDir + File.separator + "byRule.html"));
        } catch (IOException e) {
            System.err.println("could not open report directory / files for writing");
            System.exit(1);
        }
    }

    // Major work: process input files
    ImmutableList<Result> results = null;
    for (String in : cmd.getArgs()) {
        HeadlessRunDescription descr = HeadlessRunDescription.parse(in);
        logger.debug("invoking headless run...");
        BatchRunner runner = new BatchRunner();
        results = runner.runHeadless(descr);
        logger.debug("runHeadless returned " + results.size() + " results");
        // write results to the output stream as we go
        for (Result result : results) {
            outStream.println(result.toString());
        }
        outStream.flush();
    }
    outStream.close();

    // Write report files if requested
    if (cmd.hasOption("r") && results != null) {
        Reporter kermit = new Reporter(results);
        summaryFile.write(kermit.getSummary());
        summaryFile.close();
        byURLFile.write(kermit.getByURL());
        byURLFile.close();
        byRuleFile.write(kermit.getByRule());
        byRuleFile.close();
    }
}

From source file:com.act.lcms.db.io.LoadStandardIonAnalysisTableIntoDB.java

public static void main(String[] args) throws Exception {
    Options opts = new Options();
    for (Option.Builder b : OPTION_BUILDERS) {
        opts.addOption(b.build());/*from  w w w  .j a v  a2s.c  om*/
    }

    CommandLine cl = null;

    try {
        CommandLineParser parser = new DefaultParser();
        cl = parser.parse(opts, args);
    } catch (ParseException e) {
        System.err.format("Argument parsing failed: %s\n", e.getMessage());
        HELP_FORMATTER.printHelp(LoadStandardIonAnalysisTableIntoDB.class.getCanonicalName(), HELP_MESSAGE,
                opts, null, true);
        System.exit(1);
    }

    if (cl.hasOption("help")) {
        HELP_FORMATTER.printHelp(LoadStandardIonAnalysisTableIntoDB.class.getCanonicalName(), HELP_MESSAGE,
                opts, null, true);
        return;
    }

    File inputFile = new File(cl.getOptionValue(OPTION_FILE_PATH));
    if (!inputFile.exists()) {
        System.err.format("Unable to find input file at %s\n", cl.getOptionValue(OPTION_FILE_PATH));
        new HelpFormatter().printHelp(LoadConstructAnalysisTableIntoDB.class.getCanonicalName(), opts, true);
        System.exit(1);
    }

    try (DB db = DB.openDBFromCLI(cl)) {
        db.getConn().setAutoCommit(false);

        TSVParser parser = new TSVParser();
        parser.parse(inputFile);

        for (Map<String, String> row : parser.getResults()) {
            Integer standardIonResultId = Integer.parseInt(row.get(
                    ExportStandardIonResultsFromDB.STANDARD_ION_HEADER_FIELDS.STANDARD_ION_RESULT_ID.name()));

            String dbValueOfMetlinIon = ExportStandardIonResultsFromDB.NULL_VALUE;
            StandardIonResult ionResult = StandardIonResult.getInstance().getById(db, standardIonResultId);
            if (ionResult.getManualOverrideId() != null) {
                // There is an existing manual override ion in the DB
                CuratedStandardMetlinIon curatedChemical = CuratedStandardMetlinIon.getBestMetlinIon(db,
                        ionResult.getManualOverrideId());
                dbValueOfMetlinIon = curatedChemical.getBestMetlinIon();
            }

            String manualPickOfMetlinIon = row
                    .get(ExportStandardIonResultsFromDB.STANDARD_ION_HEADER_FIELDS.MANUAL_PICK.name());

            // If the manual metlin ion pick row is not NULL and it is not the same as the value stored in the DB, then
            // we need to add a new entry to the curated metlin ion table.
            if (!manualPickOfMetlinIon.equals(ExportStandardIonResultsFromDB.NULL_VALUE)
                    && !manualPickOfMetlinIon.equals(dbValueOfMetlinIon)) {
                System.out.format("Manual override has been found, so updating the DB\n");
                // A manual entry was created.
                if (!MS1.VALID_MS1_IONS.contains(manualPickOfMetlinIon)) {
                    System.err.format("ERROR: found invalid chemical name: %s\n", manualPickOfMetlinIon);
                    System.exit(-1);
                }

                String note = row.get(ExportStandardIonResultsFromDB.STANDARD_ION_HEADER_FIELDS.NOTE.name());
                CuratedStandardMetlinIon result = CuratedStandardMetlinIon.insertCuratedStandardMetlinIonIntoDB(
                        db, LocalDateTime.now(CuratedStandardMetlinIon.utcDateTimeZone),
                        cl.getOptionValue(OPTION_AUTHOR), manualPickOfMetlinIon, note, standardIonResultId);

                if (result == null) {
                    System.err.format(
                            "WARNING: Could not insert curated entry to the curated metlin ion table\n",
                            manualPickOfMetlinIon);
                    System.exit(-1);
                } else {
                    StandardIonResult getIonResult = StandardIonResult.getInstance().getById(db,
                            standardIonResultId);
                    getIonResult.setManualOverrideId(result.getId());
                    if (!StandardIonResult.getInstance().update(db, getIonResult)) {
                        System.err.format(
                                "WARNING: Could not insert manual override id to the standard ion table\n",
                                manualPickOfMetlinIon);
                        System.exit(-1);
                    } else {
                        System.out.format(
                                "Successfully committed updates to the standard ion table and the curated metlin ion table\n");
                    }
                }
            }
        }

        db.getConn().commit();
    }
}

From source file:com.act.lcms.db.io.LoadTSVIntoDB.java

public static void main(String[] args) throws Exception {
    Options opts = new Options();
    opts.addOption(Option.builder("t").argName("type")
            .desc("The type of TSV data to read, options are: " + StringUtils.join(TSV_TYPE.values(), ", "))
            .hasArg().required().longOpt("table-type").build());
    opts.addOption(Option.builder("i").argName("path").desc("The TSV file to read").hasArg().required()
            .longOpt("input-file").build());

    // DB connection options.
    opts.addOption(Option.builder().argName("database url")
            .desc("The url to use when connecting to the LCMS db").hasArg().longOpt("db-url").build());
    opts.addOption(Option.builder("u").argName("database user").desc("The LCMS DB user").hasArg()
            .longOpt("db-user").build());
    opts.addOption(Option.builder("p").argName("database password").desc("The LCMS DB password").hasArg()
            .longOpt("db-pass").build());
    opts.addOption(Option.builder("H").argName("database host")
            .desc(String.format("The LCMS DB host (default = %s)", DB.DEFAULT_HOST)).hasArg().longOpt("db-host")
            .build());//from   w  w  w  . j  a v  a 2s .  c  o  m
    opts.addOption(Option.builder("P").argName("database port")
            .desc(String.format("The LCMS DB port (default = %d)", DB.DEFAULT_PORT)).hasArg().longOpt("db-port")
            .build());
    opts.addOption(Option.builder("N").argName("database name")
            .desc(String.format("The LCMS DB name (default = %s)", DB.DEFAULT_DB_NAME)).hasArg()
            .longOpt("db-name").build());

    // Everybody needs a little help from their friends.
    opts.addOption(
            Option.builder("h").argName("help").desc("Prints this help message").longOpt("help").build());

    CommandLine cl = null;
    try {
        CommandLineParser parser = new DefaultParser();
        cl = parser.parse(opts, args);
    } catch (ParseException e) {
        System.err.format("Argument parsing failed: %s\n", e.getMessage());
        HelpFormatter fmt = new HelpFormatter();
        fmt.printHelp(LoadTSVIntoDB.class.getCanonicalName(), opts, true);
        System.exit(1);
    }

    if (cl.hasOption("help")) {
        new HelpFormatter().printHelp(LoadTSVIntoDB.class.getCanonicalName(), opts, true);
        return;
    }

    File inputFile = new File(cl.getOptionValue("input-file"));
    if (!inputFile.exists()) {
        System.err.format("Unable to find input file at %s\n", cl.getOptionValue("input-file"));
        new HelpFormatter().printHelp(LoadTSVIntoDB.class.getCanonicalName(), opts, true);
        System.exit(1);
    }

    TSV_TYPE contentType = null;
    try {
        contentType = TSV_TYPE.valueOf(cl.getOptionValue("table-type"));
    } catch (IllegalArgumentException e) {
        System.err.format("Unrecognized TSV type '%s'\n", cl.getOptionValue("table-type"));
        new HelpFormatter().printHelp(LoadTSVIntoDB.class.getCanonicalName(), opts, true);
        System.exit(1);
    }

    DB db;

    if (cl.hasOption("db-url")) {
        db = new DB().connectToDB(cl.getOptionValue("db-url"));
    } else {
        Integer port = null;
        if (cl.getOptionValue("P") != null) {
            port = Integer.parseInt(cl.getOptionValue("P"));
        }
        db = new DB().connectToDB(cl.getOptionValue("H"), port, cl.getOptionValue("N"), cl.getOptionValue("u"),
                cl.getOptionValue("p"));
    }

    try {
        db.getConn().setAutoCommit(false);

        TSVParser parser = new TSVParser();
        parser.parse(inputFile);

        List<Pair<Integer, DB.OPERATION_PERFORMED>> results = null;
        switch (contentType) {
        case CURATED_CHEMICAL:
            results = CuratedChemical.insertOrUpdateCuratedChemicalsFromTSV(db, parser);
            break;
        case CONSTRUCT:
            results = ConstructEntry.insertOrUpdateCompositionMapEntriesFromTSV(db, parser);
            break;
        case CHEMICAL_OF_INTEREST:
            results = ChemicalOfInterest.insertOrUpdateChemicalOfInterestsFromTSV(db, parser);
            break;
        default:
            throw new RuntimeException(String.format("Unsupported TSV type: %s", contentType));
        }
        if (results != null) {
            for (Pair<Integer, DB.OPERATION_PERFORMED> r : results) {
                System.out.format("%d: %s\n", r.getLeft(), r.getRight());
            }
        }
        // If we didn't encounter an exception, commit the transaction.
        db.getConn().commit();
    } catch (Exception e) {
        System.err.format("Caught exception when trying to load plate composition, rolling back. %s\n",
                e.getMessage());
        db.getConn().rollback();
        throw (e);
    } finally {
        db.getConn().close();
    }
}

From source file:java2d.ps.EPSColorsExample.java

/**
 * Command-line interface//from  w  w w.j  av  a  2  s. com
 * 
 * @param args
 *            command-line arguments
 */
public static void main(final String[] args) {
    try {
        File targetDir;
        if (args.length >= 1) {
            targetDir = new File(args[0]);
        } else {
            targetDir = new File(".");
        }
        if (!targetDir.exists()) {
            System.err.println("Target Directory does not exist: " + targetDir);
        }
        generateEPSusingJava2D(new File(targetDir, "eps-example-colors.eps"));
    } catch (final Exception e) {
        e.printStackTrace();
    }
}

From source file:com.cloudera.recordbreaker.learnstructure.test.GenerateRandomData.java

/**
 *//*from w ww .j ava 2 s  .c om*/
public static void main(String argv[]) throws IOException {
    CommandLine cmd = null;
    Options options = new Options();
    options.addOption("?", false, "Help for command-line");
    options.addOption("n", true, "Number elts to emit");

    try {
        CommandLineParser parser = new PosixParser();
        cmd = parser.parse(options, argv);
    } catch (ParseException pe) {
        HelpFormatter fmt = new HelpFormatter();
        fmt.printHelp("GenerateRandomData", options, true);
        System.exit(-1);
    }

    if (cmd.hasOption("?")) {
        HelpFormatter fmt = new HelpFormatter();
        fmt.printHelp("GenerateRandomData", options, true);
        System.exit(0);
    }

    int numToEmit = 100;
    if (cmd.hasOption("n")) {
        try {
            numToEmit = Integer.parseInt(cmd.getOptionValue("n"));
        } catch (NumberFormatException nfe) {
            nfe.printStackTrace();
        }
    }

    String[] argArray = cmd.getArgs();
    if (argArray.length == 0) {
        HelpFormatter fmt = new HelpFormatter();
        fmt.printHelp("GenerateRandomData", options, true);
        System.exit(0);
    }
    File inputSchemaFile = new File(argArray[0]).getCanonicalFile();
    File outputDataFile = new File(argArray[1]).getCanonicalFile();
    if (outputDataFile.exists()) {
        System.err.println("Output file already exists: " + outputDataFile.getCanonicalPath());
        System.exit(0);
    }

    GenerateRandomData grd = new GenerateRandomData();
    Schema schema = Schema.parse(inputSchemaFile);

    GenericDatumWriter datum = new GenericDatumWriter(schema);
    DataFileWriter out = new DataFileWriter(datum);
    out.create(schema, outputDataFile);
    try {
        for (int i = 0; i < numToEmit; i++) {
            out.append((GenericData.Record) grd.generateData(schema));
        }
    } finally {
        out.close();
    }
}

From source file:com.jones_systems.Tieout.java

public static void main(String[] args) {

    String testFilename = null;//from  w ww  .j a va2  s  . c  o m

    Options options = new Options();

    //options.addOption("f", "filename", true, "the file to use for the Tieout check");
    Option filename = OptionBuilder.withArgName("filename").hasArg()
            .withDescription("the file name of the XML test file").create("filename");
    options.addOption(filename);

    CommandLineParser parser = new GnuParser();

    try {
        CommandLine line = parser.parse(options, args);

        if (line.hasOption("filename")) {
            testFilename = line.getOptionValue("filename");
        } else {
            HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp("tieout", options);
            System.exit(2);
        }

    } catch (ParseException exp) {

    }

    File testfile = new File(testFilename);

    if (!testfile.exists()) {
        System.err.println("Cannot find file!");
        System.exit(1);
    }

    System.out.println("Starting test with file: " + testFilename);

    Tieout ts = new Tieout(testfile);
    boolean connected = ts.connectDatasources();

    if (!connected) {
        System.err.print("Could not connect to all datasources");
        System.exit(1);
    }

    ts.runTests();

}

From source file:Main.java

/** Index all text files under a directory. */
public static void main(String[] args) {
    String usage = "java IndexFiles" + " [-index INDEX_PATH] [-docs DOCS_PATH] [-update]\n\n"
            + "This indexes the documents in DOCS_PATH, creating a Lucene index"
            + "in INDEX_PATH that can be searched with SearchFiles";
    String indexPath = "index";
    String docsPath = null;//from w  ww  .j  av  a  2  s.co m
    boolean create = true;
    for (int i = 0; i < args.length; i++) {
        if ("-index".equals(args[i])) {
            indexPath = args[i + 1];
            i++;
        } else if ("-docs".equals(args[i])) {
            docsPath = args[i + 1];
            i++;
        } else if ("-update".equals(args[i])) {
            create = false;
        }
    }

    if (docsPath == null) {
        System.err.println("Usage: " + usage);
        System.exit(1);
    }

    final File docDir = new File(docsPath);
    if (!docDir.exists() || !docDir.canRead()) {
        System.out.println("Document directory '" + docDir.getAbsolutePath()
                + "' does not exist or is not readable, please check the path");
        System.exit(1);
    }

    Date start = new Date();
    try {
        System.out.println("Indexing to directory '" + indexPath + "'...");

        Directory dir = FSDirectory.open(new File(indexPath));
        // :Post-Release-Update-Version.LUCENE_XY:
        Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_4_10_0);
        IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_4_10_0, analyzer);

        if (create) {
            // Create a new index in the directory, removing any
            // previously indexed documents:
            iwc.setOpenMode(OpenMode.CREATE);
        } else {
            // Add new documents to an existing index:
            iwc.setOpenMode(OpenMode.CREATE_OR_APPEND);
        }

        // Optional: for better indexing performance, if you
        // are indexing many documents, increase the RAM
        // buffer.  But if you do this, increase the max heap
        // size to the JVM (eg add -Xmx512m or -Xmx1g):
        //
        // iwc.setRAMBufferSizeMB(256.0);

        IndexWriter writer = new IndexWriter(dir, iwc);
        indexDocs(writer, docDir);

        // NOTE: if you want to maximize search performance,
        // you can optionally call forceMerge here.  This can be
        // a terribly costly operation, so generally it's only
        // worth it when your index is relatively static (ie
        // you're done adding documents to it):
        //
        // writer.forceMerge(1);

        writer.close();

        Date end = new Date();
        System.out.println(end.getTime() - start.getTime() + " total milliseconds");

    } catch (IOException e) {
        System.out.println(" caught a " + e.getClass() + "\n with message: " + e.getMessage());
    }
}

From source file:io.anserini.search.SearchTweets.java

@SuppressWarnings("static-access")
public static void main(String[] args) throws Exception {
    Options options = new Options();

    options.addOption(new Option(RM3_OPTION, "apply relevance feedback with rm3"));

    options.addOption(/*  w w w . jav  a 2  s  . c om*/
            OptionBuilder.withArgName("path").hasArg().withDescription("index location").create(INDEX_OPTION));
    options.addOption(OptionBuilder.withArgName("num").hasArg().withDescription("number of results to return")
            .create(NUM_RESULTS_OPTION));
    options.addOption(OptionBuilder.withArgName("file").hasArg()
            .withDescription("file containing topics in TREC format").create(QUERIES_OPTION));
    options.addOption(OptionBuilder.withArgName("similarity").hasArg()
            .withDescription("similarity to use (BM25, LM)").create(SIMILARITY_OPTION));
    options.addOption(
            OptionBuilder.withArgName("string").hasArg().withDescription("runtag").create(RUNTAG_OPTION));

    CommandLine cmdline = null;
    CommandLineParser parser = new GnuParser();
    try {
        cmdline = parser.parse(options, args);
    } catch (ParseException exp) {
        System.err.println("Error parsing command line: " + exp.getMessage());
        System.exit(-1);
    }

    if (!cmdline.hasOption(QUERIES_OPTION) || !cmdline.hasOption(INDEX_OPTION)) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(SearchTweets.class.getName(), options);
        System.exit(-1);
    }

    File indexLocation = new File(cmdline.getOptionValue(INDEX_OPTION));
    if (!indexLocation.exists()) {
        System.err.println("Error: " + indexLocation + " does not exist!");
        System.exit(-1);
    }

    String runtag = cmdline.hasOption(RUNTAG_OPTION) ? cmdline.getOptionValue(RUNTAG_OPTION) : DEFAULT_RUNTAG;

    String topicsFile = cmdline.getOptionValue(QUERIES_OPTION);

    int numResults = 1000;
    try {
        if (cmdline.hasOption(NUM_RESULTS_OPTION)) {
            numResults = Integer.parseInt(cmdline.getOptionValue(NUM_RESULTS_OPTION));
        }
    } catch (NumberFormatException e) {
        System.err.println("Invalid " + NUM_RESULTS_OPTION + ": " + cmdline.getOptionValue(NUM_RESULTS_OPTION));
        System.exit(-1);
    }

    String similarity = "LM";
    if (cmdline.hasOption(SIMILARITY_OPTION)) {
        similarity = cmdline.getOptionValue(SIMILARITY_OPTION);
    }

    PrintStream out = new PrintStream(System.out, true, "UTF-8");

    IndexReader reader = DirectoryReader.open(FSDirectory.open(Paths.get(indexLocation.getAbsolutePath())));
    IndexSearcher searcher = new IndexSearcher(reader);

    if (similarity.equalsIgnoreCase("BM25")) {
        searcher.setSimilarity(new BM25Similarity());
    } else if (similarity.equalsIgnoreCase("LM")) {
        searcher.setSimilarity(new LMDirichletSimilarity(2500.0f));
    }

    MicroblogTopicSet topics = MicroblogTopicSet.fromFile(new File(topicsFile));
    for (MicroblogTopic topic : topics) {
        Filter filter = NumericRangeFilter.newLongRange(StatusField.ID.name, 0L, topic.getQueryTweetTime(),
                true, true);
        Query query = AnalyzerUtils.buildBagOfWordsQuery(StatusField.TEXT.name, IndexTweets.ANALYZER,
                topic.getQuery());

        TopDocs rs = searcher.search(query, filter, numResults);

        RerankerContext context = new RerankerContext(searcher, query, topic.getQuery(), filter);
        RerankerCascade cascade = new RerankerCascade(context);

        if (cmdline.hasOption(RM3_OPTION)) {
            cascade.add(new Rm3Reranker(IndexTweets.ANALYZER, StatusField.TEXT.name));
            cascade.add(new RemoveRetweetsTemporalTiebreakReranker());
        } else {
            cascade.add(new RemoveRetweetsTemporalTiebreakReranker());
        }

        ScoredDocuments docs = cascade.run(ScoredDocuments.fromTopDocs(rs, searcher));

        for (int i = 0; i < docs.documents.length; i++) {
            String qid = topic.getId().replaceFirst("^MB0*", "");
            out.println(String.format("%s Q0 %s %d %f %s", qid,
                    docs.documents[i].getField(StatusField.ID.name).numericValue(), (i + 1), docs.scores[i],
                    runtag));
        }
    }
    reader.close();
    out.close();
}

From source file:com.github.rnewson.couchdb.lucene.Main.java

/**
 * Run couchdb-lucene.//from  w w w .  ja va2  s  .c om
 */
public static void main(String[] args) throws Exception {
    final HierarchicalINIConfiguration configuration = new HierarchicalINIConfiguration(
            Main.class.getClassLoader().getResource("couchdb-lucene.ini"));
    configuration.setReloadingStrategy(new FileChangedReloadingStrategy());

    final File dir = new File(configuration.getString("lucene.dir", "indexes"));

    if (dir == null) {
        LOG.error("lucene.dir not set.");
        System.exit(1);
    }
    if (!dir.exists() && !dir.mkdir()) {
        LOG.error("Could not create " + dir.getCanonicalPath());
        System.exit(1);
    }
    if (!dir.canRead()) {
        LOG.error(dir + " is not readable.");
        System.exit(1);
    }
    if (!dir.canWrite()) {
        LOG.error(dir + " is not writable.");
        System.exit(1);
    }
    LOG.info("Index output goes to: " + dir.getCanonicalPath());

    final Server server = new Server();
    final SelectChannelConnector connector = new SelectChannelConnector();
    connector.setHost(configuration.getString("lucene.host", "localhost"));
    connector.setPort(configuration.getInt("lucene.port", 5985));

    LOG.info("Accepting connections with " + connector);

    server.setConnectors(new Connector[] { connector });
    server.setStopAtShutdown(true);
    server.setSendServerVersion(false);

    HttpClientFactory.setIni(configuration);
    final HttpClient httpClient = HttpClientFactory.getInstance();

    final LuceneServlet servlet = new LuceneServlet(httpClient, dir, configuration);

    final Context context = new Context(server, "/", Context.NO_SESSIONS | Context.NO_SECURITY);
    context.addServlet(new ServletHolder(servlet), "/*");
    context.addFilter(new FilterHolder(new GzipFilter()), "/*", Handler.DEFAULT);
    context.setErrorHandler(new JSONErrorHandler());
    server.setHandler(context);

    server.start();
    server.join();
}