Example usage for java.io File listFiles

Introduction

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

Prototype

public File[] listFiles() 

Source Link

Document

Returns an array of abstract pathnames denoting the files in the directory denoted by this abstract pathname.

Usage

From source file:org.eclipse.swt.snippets.Snippet8.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Lazy Tree");
    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.BORDER);
    File[] roots = File.listRoots();
    for (int i = 0; i < roots.length; i++) {
        TreeItem root = new TreeItem(tree, 0);
        root.setText(roots[i].toString());
        root.setData(roots[i]);/*w ww .  j a v  a 2 s  .c om*/
        new TreeItem(root, 0);
    }
    tree.addListener(SWT.Expand, event -> {
        final TreeItem root = (TreeItem) event.item;
        TreeItem[] items = root.getItems();
        for (int i1 = 0; i1 < items.length; i1++) {
            if (items[i1].getData() != null)
                return;
            items[i1].dispose();
        }
        File file = (File) root.getData();
        File[] files = file.listFiles();
        if (files == null)
            return;
        for (int i2 = 0; i2 < files.length; i2++) {
            TreeItem item = new TreeItem(root, 0);
            item.setText(files[i2].getName());
            item.setData(files[i2]);
            if (files[i2].isDirectory()) {
                new TreeItem(item, 0);
            }
        }
    });
    Point size = tree.computeSize(300, SWT.DEFAULT);
    int width = Math.max(300, size.x);
    int height = Math.max(300, size.y);
    shell.setSize(shell.computeSize(width, height));
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:cpm.openAtlas.bundleInfo.maker.BundleMakeBooter.java

public static void main(String[] args) throws JSONException, IOException {
    if (args.length != 2) {
        throw new IOException(" args to less , usage plugin_dir out_put_json_path");

    }/*from  w w w .  j  a  v  a2  s  . com*/

    String path = args[0];
    String targetFile = args[1];
    File dirFile = new File(path);
    JSONArray jsonArray = new JSONArray();
    File[] files = dirFile.listFiles();
    for (File file : files) {
        if (file.getAbsolutePath().contains("libcom")) {
            PackageLite packageLit = PackageLite.parse(file.getAbsolutePath());
            jsonArray.put(packageLit.getBundleInfo());
            //            try {
            //                packageLit.getBundleInfo().toString();
            //            } catch (JSONException e) {
            //               // TODO Auto-generated catch block
            //               e.printStackTrace();
            //            }
        }

    }
    org.apache.commons.io.FileUtils.writeStringToFile(new File(targetFile), jsonArray.toString());
    System.out.println(jsonArray.toString());
}

---

From source file:com.openAtlas.bundleInfo.maker.BundleMakeBooter.java

public static void main(String[] args) throws JSONException, IOException {
    //if(args.length!=2){
    //   throw new  IOException(" args to less , usage plugin_dir out_put_json_path");
    //}/*from   w ww  . j  a v a2s. co m*/

    args = new String[2];
    args[0] = "C:\\Users\\kltz\\Desktop\\AtlasDemo\\plugin";
    args[1] = "C:\\Users\\kltz\\Desktop\\AtlasDemo\\plugin\\bundle-info.json";

    String path = args[0];
    ApkPreProcess.preProcess(path);
    String targetFile = args[1];
    File dirFile = new File(path);
    JSONArray jsonArray = new JSONArray();
    File[] files = dirFile.listFiles();
    for (File file : files) {
        if (file.getAbsolutePath().contains("libcom")) {
            PackageLite packageLit = PackageLite.parse(file.getAbsolutePath());
            jsonArray.put(packageLit.getBundleInfo());
            //            try {
            //                packageLit.getBundleInfo().toString();
            //            } catch (JSONException e) {
            //               // TODO Auto-generated catch block
            //               e.printStackTrace();
            //            }
        }

    }
    org.apache.commons.io.FileUtils.writeStringToFile(new File(targetFile), jsonArray.toString());
    System.out.println(jsonArray.toString());
}

---

From source file:de.mirkosertic.invertedindex.core.FullIndexRun.java

public static void main(String[] args) throws IOException {
    InvertedIndex theIndex = new InvertedIndex();
    UpdateIndexHandler theIndexHandler = new UpdateIndexHandler(theIndex);
    Tokenizer theTokenizer = new Tokenizer(new ToLowercaseTokenHandler(theIndexHandler));

    File theOrigin = new File("/home/sertic/ownCloud/Textcontent");
    for (File theFile : theOrigin.listFiles()) {
        System.out.println("Indexing " + theFile);
        String theFileContent = IOUtils.toString(new FileReader(theFile));
        theTokenizer.process(new Document(theFile.getName(), theFileContent));
    }/*from   w  w  w .  j av  a  2s  .  c o m*/

    System.out.println(theIndex.getTokenCount() + " unique postings");
    System.out.println(theIndex.getDocumentCount() + " documents");

    theIndex.postings.entrySet().stream()
            .sorted((o1, o2) -> ((Integer) o1.getValue().getOccoursInDocuments().size())
                    .compareTo(o2.getValue().getOccoursInDocuments().size()))
            .forEach(t -> {
                System.out.println(t.getKey() + " -> " + t.getValue().getOccoursInDocuments().size());
            });

    System.out.println("Query");

    Result theResult = theIndex.query(new TokenSequenceQuery(new String[] { "introduction", "to", "aop" }));
    System.out.println(theResult.getSize());
    for (int i = 0; i < theResult.getSize(); i++) {
        System.out.println(theResult.getDoc(i).getName());

        System.out.println(theIndex.rebuildContentFor(theResult.getDoc(i)));
    }

    long theCount = 100000;
    long theStart = System.currentTimeMillis();
    for (int i = 0; i < theCount; i++) {
        theResult = theIndex.query(new TokenSequenceQuery(new String[] { "introduction", "to", "aop" }));
    }
    double theDuration = System.currentTimeMillis() - theStart;

    System.out.println(theCount + " Queries took " + theDuration + "ms");
    System.out.println(theDuration / theCount);

    while (true) {
        theResult = theIndex.query(new TokenSequenceQuery(new String[] { "introduction", "to", "aop" }));
    }
}

---

From source file:uk.ac.kcl.Main.java

public static void main(String[] args) {
    File folder = new File(args[0]);
    File[] listOfFiles = folder.listFiles();
    assert listOfFiles != null;
    for (File listOfFile : listOfFiles) {
        if (listOfFile.isFile()) {
            if (listOfFile.getName().endsWith(".properties")) {
                System.out.println("Properties sile found:" + listOfFile.getName()
                        + ". Attempting to launch application context");
                Properties properties = new Properties();
                InputStream input;
                try {
                    input = new FileInputStream(listOfFile);
                    properties.load(input);
                    if (properties.getProperty("globalSocketTimeout") != null) {
                        TcpHelper.setSocketTimeout(
                                Integer.valueOf(properties.getProperty("globalSocketTimeout")));
                    }/*from   ww w  .  j a  v a 2s  . c o  m*/
                    Map<String, Object> map = new HashMap<>();
                    properties.forEach((k, v) -> {
                        map.put(k.toString(), v);
                    });
                    ConfigurableEnvironment environment = new StandardEnvironment();
                    MutablePropertySources propertySources = environment.getPropertySources();
                    propertySources.addFirst(new MapPropertySource(listOfFile.getName(), map));
                    @SuppressWarnings("resource")
                    AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
                    ctx.registerShutdownHook();
                    ctx.setEnvironment(environment);
                    String scheduling;
                    try {
                        scheduling = properties.getProperty("scheduler.useScheduling");
                        if (scheduling.equalsIgnoreCase("true")) {
                            ctx.register(ScheduledJobLauncher.class);
                            ctx.refresh();
                        } else if (scheduling.equalsIgnoreCase("false")) {
                            ctx.register(SingleJobLauncher.class);
                            ctx.refresh();
                            SingleJobLauncher launcher = ctx.getBean(SingleJobLauncher.class);
                            launcher.launchJob();
                        } else if (scheduling.equalsIgnoreCase("slave")) {
                            ctx.register(JobConfiguration.class);
                            ctx.refresh();
                        } else {
                            throw new RuntimeException(
                                    "useScheduling not configured. Must be true, false or slave");
                        }
                    } catch (NullPointerException ex) {
                        throw new RuntimeException(
                                "useScheduling not configured. Must be true, false or slave");
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

---

From source file:edu.usc.ee599.CommunityStats.java

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

    File dir = new File("results5");
    PrintWriter writer = new PrintWriter(new FileWriter("results5_stats.txt"));

    File[] files = dir.listFiles();

    DescriptiveStatistics statistics1 = new DescriptiveStatistics();
    DescriptiveStatistics statistics2 = new DescriptiveStatistics();
    for (File file : files) {

        BufferedReader reader = new BufferedReader(new FileReader(file));

        String line1 = reader.readLine();
        String line2 = reader.readLine();

        int balanced = Integer.parseInt(line1.split(",")[1]);
        int unbalanced = Integer.parseInt(line2.split(",")[1]);

        double bp = (double) balanced / (double) (balanced + unbalanced);
        double up = (double) unbalanced / (double) (balanced + unbalanced);

        statistics1.addValue(bp);//w w  w  .ja  v a2  s.co  m
        statistics2.addValue(up);

    }

    writer.println("AVG Balanced %: " + statistics1.getMean());
    writer.println("AVG Unbalanced %: " + statistics2.getMean());

    writer.println("STD Balanced %: " + statistics1.getStandardDeviation());
    writer.println("STD Unbalanced %: " + statistics2.getStandardDeviation());

    writer.flush();
    writer.close();

}

---

From source file:ie.pars.bnc.preprocess.MainBNCProcess.java

/**
 * Main method use for processing BNC text. Claws PoSs are replaced by
 * Stanford CoreNLP results for consistency with the rest of data! Currently
 * the structure of BNC is mainly discarded, only paragraphs and sentences
 *
 * @param sugare/*from w w  w  .  j a  v a2  s.c o  m*/
 * @throws IOException
 * @throws ArchiveException
 * @throws Exception
 */
public static void main(String[] sugare) throws IOException, ArchiveException, Exception {
    pathInput = sugare[0];
    pathOutput = sugare[1];
    letter = sugare[2];
    filesProcesed = new TreeSet();

    File folder = new File(pathOutput);
    if (folder.exists()) {
        for (File f : folder.listFiles()) {
            if (f.isFile()) {
                String pfile = f.getName().split("\\.")[0];
                filesProcesed.add(pfile);
            }
        }
    } else {
        folder.mkdirs();
    }
    getZippedFile();
}

---

From source file:com.taobao.tddl.common.SQLPreParserTest.java

public static void main(String[] args) throws IOException {
    //String fileName = "D:/12_code/tddl/trunk/tddl/tddl-parser/sqlsummary-icsg-db0-db15-group-20100901100337-export.xlsx";
    //String fileName = "D:/12_code/tddl/trunk/tddl/tddl-parser/sqlsummary-tcsg-instance-group-20100901100641-export.xlsx";

    int count = 0;
    long time = 0;

    File home = new File(System.getProperty("user.dir") + "/appsqls");
    for (File f : home.listFiles()) {
        if (f.isDirectory() || !f.getName().endsWith(".xlsx")) {
            continue;
        }/*from   w  ww  .j  av a  2 s.  c  o m*/
        log.info("---------------------- " + f.getAbsolutePath());
        faillog.info("---------------------- " + f.getAbsolutePath());
        Workbook wb = new XSSFWorkbook(new FileInputStream(f));
        Sheet sheet = wb.getSheetAt(0);
        for (Row row : sheet) {
            Cell cell = row.getCell(2);
            if (cell != null && cell.getCellType() == Cell.CELL_TYPE_STRING) {
                String sql = cell.getStringCellValue();

                long t0 = System.currentTimeMillis();
                String tableName = SQLPreParser.findTableName(sql);
                time += System.currentTimeMillis() - t0;
                count++;

                log.info(tableName + " <-- " + sql);
                if (tableName == null) {
                    sql = sql.trim().toLowerCase();
                    if (isCRUD(sql)) {
                        System.out.println("failed:" + sql);
                        faillog.error("failed:" + sql);
                    }
                }
            }
        }
        wb = null;
    }
    faillog.fatal("------------------------------- finished --------------------------");
    faillog.fatal(count + " sql parsed, total time:" + time + ". average time use per sql:"
            + (double) time / count + "ms/sql");
}

---

From source file:com.apipulse.bastion.Main.java

public static void main(String[] args) throws IOException, ClassNotFoundException {
    log.info("Bastion starting. Loading chains");
    final File dir = new File("etc/chains");

    final LinkedList<ActorRef> chains = new LinkedList<ActorRef>();
    for (File file : dir.listFiles()) {
        if (!file.getName().startsWith(".") && file.getName().endsWith(".yaml")) {
            log.info("Loading chain: " + file.getName());
            ChainConfig config = new ChainConfig(IOUtils.toString(new FileReader(file)));
            ActorRef ref = BastionActors.getInstance().initChain(config.getName(),
                    Class.forName(config.getQualifiedClass()));
            Iterator<StageConfig> iterator = config.getStages().iterator();
            while (iterator.hasNext())
                ref.tell(iterator.next(), null);
            chains.add(ref);/*from  w  w  w. java 2 s  .c o  m*/
        }
    }
    SpringApplication app = new SpringApplication();
    HashSet<Object> objects = new HashSet<Object>();
    objects.add(ApiController.class);
    final ConfigurableApplicationContext context = app.run(ApiController.class, args);
    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override
        public void run() {
            try {
                log.info("Bastion shutting down");
                Iterator<ActorRef> iterator = chains.iterator();
                while (iterator.hasNext())
                    iterator.next().tell(new StopMessage(), null);
                Thread.sleep(2000);
                context.stop();
                log.info("Bastion shutdown complete");
            } catch (Exception e) {
            }
        }
    });
}

---

From source file:io.fluo.cluster.WorkerApp.java

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

    AppOptions options = new AppOptions();
    JCommander jcommand = new JCommander(options, args);

    if (options.displayHelp()) {
        jcommand.usage();//from  w w w. j a  v  a2s.co  m
        System.exit(-1);
    }

    Logging.init("worker", options.getFluoHome() + "/conf", "STDOUT");

    File configFile = new File(options.getFluoHome() + "/conf/fluo.properties");
    FluoConfiguration config = new FluoConfiguration(configFile);
    if (!config.hasRequiredWorkerProps()) {
        log.error("fluo.properties is missing required properties for worker");
        System.exit(-1);
    }
    Environment env = new Environment(config);

    YarnConfiguration yarnConfig = new YarnConfiguration();
    yarnConfig.addResource(new Path(options.getHadoopPrefix() + "/etc/hadoop/core-site.xml"));
    yarnConfig.addResource(new Path(options.getHadoopPrefix() + "/etc/hadoop/yarn-site.xml"));

    TwillRunnerService twillRunner = new YarnTwillRunnerService(yarnConfig, env.getZookeepers());
    twillRunner.startAndWait();

    TwillPreparer preparer = twillRunner.prepare(new WorkerApp(options, config));

    // Add any observer jars found in lib observers
    File observerDir = new File(options.getFluoHome() + "/lib/observers");
    for (File f : observerDir.listFiles()) {
        String jarPath = "file:" + f.getCanonicalPath();
        log.debug("Adding observer jar " + jarPath + " to YARN app");
        preparer.withResources(new URI(jarPath));
    }

    TwillController controller = preparer.start();
    controller.start();

    while (controller.isRunning() == false) {
        Thread.sleep(2000);
    }
    env.close();
    System.exit(0);
}

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