Examples of com.google.common.io.PatternFilenameFilter

com.google.common.io.PatternFilenameFilter
File name filter that only accepts files matching a regular expression. This class is thread-safe and immutable. @author Apple Chow @since Guava release 01

        return forkProcess(Main.class.getName(), debugPort, args);
    }


    public static File findGradlewInRootDir() {
        File gradlewFile = null;
        if (new File(System.getProperty("user.dir")).listFiles(new PatternFilenameFilter("gradlew")).length == 1) {
            gradlewFile = new File(System.getProperty("user.dir") + File.separator + "gradlew");
        } else {
            if (new File(System.getProperty("user.dir")).getParentFile().getParentFile()
                    .listFiles(new PatternFilenameFilter("gradlew")).length == 1) {
                gradlewFile = new File(new File(System.getProperty("user.dir")).getParentFile().getParentFile()
                        .getAbsolutePath()
                        + File.separator + "gradlew");
            } else {
                Assert.fail("Cannot find gradlew executable in [" + System.getProperty("user.dir") + "] or ["

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   * @param baseDir the base dir
   * @return the list of all files ending with "js"
   */
  @Nonnull
  public static Collection<? extends File> listJsFiles( @Nonnull File baseDir ) {
    return ImmutableList.copyOf( baseDir.listFiles( new PatternFilenameFilter( ".*" + JS_SUFFIX ) ) );
  }

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            files.add(path);
        }
    }


    public static String backtrackToFile(String startDir, String targetFile) {
        FilenameFilter filenameFilter = new PatternFilenameFilter(targetFile);
        File currentDir = new File(startDir).getAbsoluteFile();


        while (currentDir.getParentFile() != null) {
            String[] files = currentDir.list(filenameFilter);
            if (files.length == 1) {

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        segment.writeAll(records);
        return segment;
    }


    private static List<File> listSegmentFiles(File parent) {
        File[] files = parent.listFiles(new PatternFilenameFilter(SEGMENT_FILE));
        Arrays.sort(files);
        return Arrays.asList(files);
    }

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      public EventIndex build(String eventType) {
        String eventIndexDirectory =
            String.format("%s/%s/", shardedEventIndexDirectory, eventType);


        List<String> dates = Lists.newArrayList();
        File[] files = new File(eventIndexDirectory).listFiles(new PatternFilenameFilter("[0-9]{8}\\.ser"));
        if (files != null) {
          for (File file : files){
            dates.add(file.getName().substring(0, 8));
          }
        }

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    log.info("Copying files to {}", tempDir);


    if (savedModelFile == null) {
      log.info("No saved model file, building model");
      File[] srcDataFiles = testDataDir.listFiles(new PatternFilenameFilter("[^.].*"));
      if (srcDataFiles != null) {
        for (File srcDataFile : srcDataFiles) {
          File destFile = new File(tempDir, srcDataFile.getName());
          Files.copy(srcDataFile, destFile);
        }

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                             FastByIDMap<FastByIDFloatMap> rbyColumn,
                             FastIDSet itemTagIDs,
                             FastIDSet userTagIDs,
                             File inputDir) throws IOException {


    FilenameFilter csvFilter = new PatternFilenameFilter(".+\\.csv(\\.(zip|gz))?");


    File[] otherFiles = inputDir.listFiles(new InvertedFilenameFilter(csvFilter));
    if (otherFiles != null) {
      for (File otherFile : otherFiles) {
        log.info("Skipping file {}", otherFile.getName());

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    log.info("Reading IDs...");    
    FastIDSet userIDsSet = new FastIDSet();
    FastIDSet itemIDsSet = new FastIDSet();
    Splitter comma = Splitter.on(',');
    for (File f : dataDirectory.listFiles(new PatternFilenameFilter(".+\\.csv(\\.(zip|gz))?"))) {
      for (CharSequence line : new FileLineIterable(f)) {
        Iterator<String> it = comma.split(line).iterator();
        userIDsSet.add(Long.parseLong(it.next()));
        itemIDsSet.add(Long.parseLong(it.next()));
      }

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    }
  }


  private static Multimap<Long,RecommendedItem> readAndCopyDataFiles(File dataDir, File tempDir) throws IOException {
    Multimap<Long,RecommendedItem> data = ArrayListMultimap.create();
    for (File dataFile : dataDir.listFiles(new PatternFilenameFilter(".+\\.csv(\\.(zip|gz))?"))) {
      log.info("Reading {}", dataFile);
      int count = 0;
      for (CharSequence line : new FileLineIterable(dataFile)) {
        Iterator<String> parts = COMMA_TAB_SPLIT.split(line).iterator();
        long userID = Long.parseLong(parts.next());

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    Multimap<Long,RecommendedItem> data = ArrayListMultimap.create();
    Multimap<String,RecommendedItem> itemTags = ArrayListMultimap.create();
    Multimap<String,RecommendedItem> userTags = ArrayListMultimap.create();


    for (File dataFile : dataDir.listFiles(new PatternFilenameFilter(".+\\.csv(\\.(zip|gz))?"))) {
      log.info("Reading {}", dataFile);
      int count = 0;
      for (CharSequence line : new FileLineIterable(dataFile)) {
        Iterator<String> parts = COMMA_TAB_SPLIT.split(line).iterator();
        String userIDString = parts.next();

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