Example usage for java.io File list

Introduction

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

Prototype

public String[] list()

Source Link

Document

Returns an array of strings naming the files and directories in the directory denoted by this abstract pathname.

Usage

From source file:Main.java

public static boolean deleteDir(@NonNull File dir) {
    if (dir != null && dir.isDirectory()) {
        String[] children = dir.list();
        for (int i = 0; i < children.length; i++) {
            boolean success = deleteDir(new File(dir, children[i]));
            if (!success) {
                return false;
            }/*from w  w  w .j a va2  s  .  com*/
        }
    }
    if (dir == null) {
        return false;
    }
    return dir.delete();
}

From source file:Main.java

private static void deleteDirectoryContent(String directoryPath) {
    File dir = new File(directoryPath);
    if (dir.exists() && dir.isDirectory()) {
        String[] children = dir.list();
        for (int i = 0; i < children.length; i++) {
            File file = new File(dir, children[i]);
            if (file.isDirectory()) {
                deleteDirectoryContent(file.getAbsolutePath());
            } else {
                file.delete();/*from  w  w w  .  j  a va 2s  .  com*/
            }
        }
        dir.delete();
    }
}

From source file:com.intropro.prairie.utils.FileUtils.java

public static List<String> readLineInDirectory(File file) throws IOException {
    List<String> result = new LinkedList<>();
    for (String child : file.list()) {
        File childFile = new File(file, child);
        if (childFile.isDirectory()) {
            result.addAll(readLineInDirectory(childFile));
        } else {/*from   w  w w .  jav  a2s .  c o m*/
            result.addAll(IOUtils.readLines(new FileInputStream(childFile)));
        }
    }
    return result;
}

From source file:Main.java

public static void deleteSharedPreferences(Context context) {
    try {/*w w  w  .  ja v a 2 s.  com*/
        Context appContext = context.getApplicationContext();
        ApplicationInfo info = appContext.getPackageManager().getApplicationInfo(appContext.getPackageName(),
                0);
        String dirPath = info.dataDir + File.separator + "shared_prefs" + File.separator;
        File dir = new File(dirPath);
        if (dir.exists() && dir.isDirectory()) {
            String[] list = dir.list();
            int size = list.length;
            for (int i = 0; i < size; i++) {
                new File(dirPath + list[i]).delete();
            }
        } else {
            //Log.d("AAA", "NO FILE or NOT DIR");
        }
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

private static float getSize(String path, Float size) {
    File file = new File(path);
    if (file.exists()) {
        if (file.isDirectory()) {
            String[] children = file.list();
            for (int fileIndex = 0; fileIndex < children.length; ++fileIndex) {
                float tmpSize = getSize(file.getPath() + File.separator + children[fileIndex], size) / 1000;
                size += tmpSize;//from   w ww. j  a v  a2 s  .com
            }
        } else if (file.isFile()) {
            size += file.length();
        }
    }
    return size;
}

From source file:com.gc.iotools.fmt.base.TestUtils.java

public static String[] listFilesExcludingExtension(final String[] forbidden) throws IOException {
    final URL fileURL = TestUtils.class.getResource("/testFiles");
    String filePath = URLDecoder.decode(fileURL.getPath(), "UTF-8");
    final File dir = new File(filePath);
    final String[] files = dir.list();
    final Collection<String> goodFiles = new Vector<String>();
    if (!filePath.endsWith(File.separator)) {
        filePath = filePath + File.separator;
    }// ww w  .ja v a  2s  .c o m
    for (final String file : files) {
        boolean insert = true;
        for (final String extForbidden : forbidden) {
            insert &= !(file.endsWith(extForbidden));
        }
        if (insert) {
            goodFiles.add(filePath + file);
        }
    }
    return goodFiles.toArray(new String[goodFiles.size()]);
}

From source file:com.gc.iotools.fmt.base.TestUtils.java

/**
 * @deprecated/*w ww. j av  a  2  s . c o m*/
 * @see FileUtils#iterate();
 * @param allowed
 * @return
 * @throws IOException
 */
@Deprecated
public static String[] listFilesIncludingExtension(final String[] allowed) throws IOException {
    final URL fileURL = TestUtils.class.getResource("/testFiles");
    String filePath = URLDecoder.decode(fileURL.getPath(), "UTF-8");
    final File dir = new File(filePath);
    final String[] files = dir.list();
    final Collection<String> goodFiles = new Vector<String>();
    if (!filePath.endsWith(File.separator)) {
        filePath = filePath + File.separator;
    }
    for (final String file : files) {
        for (final String element : allowed) {
            if (file.endsWith(element)) {
                goodFiles.add(filePath + file);
            }
        }
    }
    return goodFiles.toArray(new String[goodFiles.size()]);
}

From source file:Main.java

public static void copyDirFile(String oldPath, String newPath) {
    try {/*w  w  w  . j a  va  2s.c o m*/
        new File(newPath).mkdirs();
        File a = new File(oldPath);
        System.out.println("oldPath:" + oldPath);
        String[] file = a.list();
        File temp = null;
        for (int i = 0; i < file.length; i++) {
            if (oldPath.endsWith(File.separator)) {
                temp = new File(oldPath + file[i]);
            } else {
                temp = new File(oldPath + File.separator + file[i]);
            }
            if (temp.isFile()) {
                FileInputStream input = new FileInputStream(temp);
                FileOutputStream output = new FileOutputStream(newPath + "/" + (temp.getName()).toString());
                byte[] b = new byte[1024 * 5];
                int len;
                while ((len = input.read(b)) != -1) {
                    output.write(b, 0, len);
                }
                output.flush();
                output.close();
                input.close();
            }
            if (temp.isDirectory()) {
                copyDirFile(oldPath + "/" + file[i], newPath + "/" + file[i]);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static boolean deleteFile(String path) {
    File file = new File(path);
    if (!file.exists())
        return true;

    if (file.isDirectory()) {
        String[] subPaths = file.list();
        for (int i = 0; i < subPaths.length; i++) {
            if (!deleteFile(path)) {
                return false;
            }/*w  w  w .  j  a v a  2s .c  o  m*/
        }
    }

    return file.delete();
}

From source file:Compress.java

/** Zip the contents of the directory, and save it in the zipfile */
public static void zipDirectory(String dir, String zipfile) throws IOException, IllegalArgumentException {
    // Check that the directory is a directory, and get its contents
    File d = new File(dir);
    if (!d.isDirectory())
        throw new IllegalArgumentException("Not a directory:  " + dir);
    String[] entries = d.list();
    byte[] buffer = new byte[4096]; // Create a buffer for copying
    int bytesRead;

    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipfile));

    for (int i = 0; i < entries.length; i++) {
        File f = new File(d, entries[i]);
        if (f.isDirectory())
            continue;//Ignore directory
        FileInputStream in = new FileInputStream(f); // Stream to read file
        ZipEntry entry = new ZipEntry(f.getPath()); // Make a ZipEntry
        out.putNextEntry(entry); // Store entry
        while ((bytesRead = in.read(buffer)) != -1)
            out.write(buffer, 0, bytesRead);
        in.close();//from   w  w  w.ja v  a2  s .com
    }
    out.close();
}