Example usage for java.io FilenameFilter FilenameFilter

Introduction

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

Prototype

FilenameFilter

Source Link

Usage

From source file:DirList2.java

public static FilenameFilter filter(final String regex) {
    // Creation of anonymous inner class:
    return new FilenameFilter() {
        private Pattern pattern = Pattern.compile(regex);

        public boolean accept(File dir, String name) {
            return pattern.matcher(new File(name).getName()).matches();
        }// w ww.  ja  va 2s  .c  om
    }; // End of anonymous inner class
}

From source file:Main.java

public static void traverseFolder(Map<String, File> fileMap, File rootFolder, File folderInCheck) {
    if (folderInCheck.isFile()) {
        int length = (int) rootFolder.getAbsolutePath().length();
        String pathKey = folderInCheck.getAbsolutePath().substring(length);
        fileMap.put(pathKey, folderInCheck);
        return;/*from w  w w. ja va 2 s  . co m*/
    }

    String[] names = folderInCheck.list(new FilenameFilter() {
        // for filtering some files, such as ".xml"
        public boolean accept(File dir, String name) {
            return true;
        }
    });

    if (names == null || names.length == 0) {
        return;
    }

    File[] files = folderInCheck.listFiles();
    if (files == null || files.length == 0) {
        return;
    }

    for (File child : files) {
        traverseFolder(fileMap, rootFolder, child);
    }
}

From source file:Main.java

public static String prepareFilePathForVideoSaveWithDraftUri(Uri draftUri) {
    String draftPath = draftUri.getPath();
    String draftMediaDirPath = draftPath.substring(0, draftPath.length() - 5);
    File draftMediaDir = new File(draftMediaDirPath);
    if (!draftMediaDir.exists()) {
        draftMediaDir.mkdirs();/* www.j a  v a2  s .  com*/
    }
    String[] files = draftMediaDir.list(new FilenameFilter() {
        @Override
        public boolean accept(File dir, String filename) {
            return filename.endsWith("-0.mp4") || filename.endsWith("-a.mp4");
        }
    });
    List<String> filePaths = Arrays.asList(files);
    Collections.sort(filePaths, new Comparator<String>() {
        @Override
        public int compare(String lhs, String rhs) {
            return rhs.compareTo(lhs);
        }
    });
    if (filePaths.size() > 0) {
        for (String file : filePaths) {
            return new File(draftMediaDir, file.substring(0, file.length() - 6) + ".mp4").getAbsolutePath();
        }
    }
    return new File(draftMediaDir, generateRandomFilename("mp4")).getAbsolutePath();
}

From source file:Main.java

/**
 * Returns album IDs containing at least one cached track.
 * @return Albums IDs/*from w w  w  .  j  ava2s.  c o  m*/
 */
public static Set<String> getCachedAlbumSet() {
    File cacheDir = getMusicCacheDir();
    File[] albumList = cacheDir.listFiles();
    Set<String> output = new HashSet<>();
    for (File album : albumList) {
        if (album.list(new FilenameFilter() {
            @Override
            public boolean accept(File dir, String filename) {
                return filename.endsWith(".complete");
            }
        }).length > 0) {
            output.add(album.getName());
        }
    }
    return output;
}

From source file:Main.java

private static Set<File> getExpectationFiles(String dir) {
    Set<File> expectSet = new HashSet<File>();
    File[] files = new File(dir).listFiles(new FilenameFilter() {
        // ignore obviously temporary files
        public boolean accept(File dir, String name) {
            return !name.endsWith("~") && !name.startsWith(".");
        }// w  w w.j av a2s .  c o m
    });
    if (files != null) {
        expectSet.addAll(Arrays.asList(files));
    }
    return expectSet;
}

From source file:Main.java

static public ArrayList<String> getSavedGestureNames(Context context) {

    ArrayList<String> gestureNames = new ArrayList<>();

    File[] files = context.getFilesDir().listFiles(new FilenameFilter() {
        @Override/* ww  w .  jav a  2 s  .c  o m*/
        public boolean accept(File dir, String filename) {
            return filename.endsWith(GESTURE_NAME_SUFFIX);
        }
    });

    //return the files without the suffix
    for (File file : files) {
        gestureNames.add(file.getName().substring(0, file.getName().indexOf(GESTURE_NAME_SUFFIX)));
    }

    return gestureNames;
}

From source file:Main.java

public static File[] getMountedVolumesAsFile() {
    final String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) { // we can read the External Storage...           
        //Retrieve the primary External Storage:
        final File primaryExternalStorage = Environment.getExternalStorageDirectory();

        //Retrieve the External Storages root directory:
        String externalStorageRootDir = null;
        if ((externalStorageRootDir = primaryExternalStorage.getParent()) == null) { // no parent...
            return (new File[] { primaryExternalStorage });
        } else {//from  w w w  . j  a  va2s  . c o m
            final File externalStorageRoot = new File(externalStorageRootDir);
            final File[] files = externalStorageRoot.listFiles(new FilenameFilter() {

                @Override
                public boolean accept(File dir, String filename) {
                    // TODO Auto-generated method stub

                    File file = new File(dir, filename);
                    if (file.isDirectory() && file.canRead() && file.canWrite() && !file.isHidden()) {
                        return true;
                    }
                    return false;
                }

            }); //.listFiles();
            List<File> data = new ArrayList<File>();

            for (final File file : files) {
                if (file.isDirectory() && file.canRead() && file.canWrite() && !file.isHidden()
                        && (files.length > 0)) { // it is a real directory (not a USB drive)...
                    if (file.toString().equals(primaryExternalStorage.toString()))
                        data.add(file);
                    else {
                        if (!file.toString().contains("usb") || !file.toString().contains("USB")) {
                            data.add(file);
                        }
                    }
                }
            }
            return data.toArray(new File[data.size()]);
        }
    } else {
        // we cannot read the External Storage..., return null
        return null;
    }
}

From source file:com.tw.go.plugin.material.artifactrepository.yum.exec.RepoqueryCacheCleaner.java

public static void performCleanup() throws IOException {
    File[] cacheFiles = new File("/var/tmp/").listFiles(new FilenameFilter() {
        public boolean accept(File dir, String name) {
            String currentUser = System.getProperty("user.name") != null ? System.getProperty("user.name")
                    : "go";
            return name.startsWith(String.format("yum-%s-", currentUser));
        }//from   w w w  . j  a v  a 2 s. c  o m
    });
    for (File cacheFile : cacheFiles) {
        FileUtils.forceDelete(cacheFile);
    }
}

From source file:Main.java

public static File[] listBackups(File backupPath) {

    if (!backupPath.isDirectory() || !backupPath.canRead()) {
        return new File[0];
    }//from w w w . j  a  v a 2  s.c  om
    File[] files = backupPath.listFiles(new FilenameFilter() {
        @Override
        public boolean accept(File dir, String filename) {
            return (new File(dir, filename)).isFile() && filename.endsWith(".backup");
        }
    });

    if (files != null) {
        Arrays.sort(files, new Comparator<File>() {
            @Override
            public int compare(File s1, File s2) {
                return s2.getName().compareTo(s1.getName());
            }
        });
        return files;
    } else {
        return new File[0];
    }
}

From source file:Main.java

public static void deleteFromInternalStorage(Context context, final String contains) throws IOException {
    File file = context.getFilesDir();
    FilenameFilter filter = new FilenameFilter() {
        @Override//  ww w.  j  a va 2  s  .co  m
        public boolean accept(File dir, String filename) {
            return filename.contains(contains);
        }
    };
    File[] files = file.listFiles(filter);
    if (files != null) {
        for (File f : files) {
            //noinspection ResultOfMethodCallIgnored
            if (!f.delete()) {
                throw new IOException("Error while deleting files");
            }
        }
    }
}