Example usage for java.io File isDirectory

Introduction

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

Prototype

public boolean isDirectory()

Source Link

Document

Tests whether the file denoted by this abstract pathname is a directory.

Usage

From source file:Main.java

public static void DeleteRecursive(File fileOrDirectory) {
    boolean bool;
    if (fileOrDirectory.isDirectory())
        for (File child : fileOrDirectory.listFiles()) {
            bool = child.delete();//from  w w w  . j  a  v  a  2 s .c om
            System.out.println(" deleted folder contents > result : " + bool);
            DeleteRecursive(child);
        }
    bool = fileOrDirectory.delete();
    System.out.println(" deleted folder > result : " + bool);
}

From source file:Main.java

protected static void delFiles(File file, String keep) {
    if (file.isDirectory()) {
        File[] files = file.listFiles();
        if (files != null) {
            for (int i = 0, size = files.length; i < size; i++) {
                File f = files[i];
                delFiles(f, keep);/* w w w  . j  a va 2s .  c om*/
            }
        }
    } else {
        if (keep.equals(file.getPath()))
            return;
        file.delete();
    }
}

From source file:Main.java

public static boolean DoesFolderExist(String path) {
    if (path == null)
        return false;
    if (path.trim().isEmpty())
        return false;
    File file = new File(path.trim());
    return file.exists() && file.isDirectory();
}

From source file:Main.java

/**
 * Determine whether a file is a ZIP File.
 *///from ww  w.j  av  a 2 s.  c om
public static boolean isZipFile(File file) throws IOException {
    if (file.isDirectory()) {
        return false;
    }
    if (!file.canRead()) {
        throw new IOException("Cannot read file " + file.getAbsolutePath());
    }
    if (file.length() < 4) {
        return false;
    }
    DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(file)));
    int test = in.readInt();
    in.close();
    return test == 0x504b0304;
}

From source file:Main.java

private static void dumpFolderRecursive(final File folder, final StringBuilder sb, final int level) {
    for (int i = 0; i < level; i++)
        sb.append("\t");
    sb.append(folder.getName());//from   ww  w . j av a  2s .com
    sb.append("\n");
    for (File file : folder.listFiles()) {
        if (file.isDirectory())
            dumpFolderRecursive(file, sb, level + 1);
        else {
            for (int i = 0; i <= level; i++)
                sb.append("\t");
            sb.append(file.getName());
            sb.append("\n");
        }
    }
}

From source file:Utils.java

/**
 * Deletes a directory.//from   ww  w  . ja v  a2s. c o m
 *
 * @param dir the file for the directory to delete
 * @return true if susscess
 */
public static boolean deleteDir(File dir) {
    if (dir.isDirectory()) {
        for (File file : dir.listFiles()) {
            if (file.isDirectory()) {
                try {
                    if (file.getCanonicalFile().getParentFile().equals(dir.getCanonicalFile())) {
                        deleteDir(file);
                        if (file.exists() && !file.delete()) {
                            System.out.println("Can't delete: " + file);
                        }
                    } else {
                        System.out.println("Warning: " + file + " may be a symlink.  Ignoring.");
                    }
                } catch (IOException e) {
                    System.out.println("Warning: Cannot determine canonical file for " + file + " - ignoring.");
                }
            } else {
                if (file.exists() && !file.delete()) {
                    System.out.println("Can't delete: " + file);
                }
            }
        }
        return dir.delete();
    }
    return false;
}

From source file:Main.java

public static void mkdirs(File file) throws IOException {
    if (file.isDirectory()) {
        return;//from  w  w w.  java2 s  .  c  o  m
    }
    if (!file.mkdirs()) {
        if (file.exists()) {
            throw new IOException("failed to create " + file + " file exists and not a directory");
        }
        throw new IOException();
    }
}

From source file:Main.java

private static boolean checkFsWritable() {
    // Create a temporary file to see whether a volume is really writeable.
    // It's important not to put it in the root directory which may have a
    // limit on the number of files.
    String directoryName = Environment.getExternalStorageDirectory().toString() + "/DCIM";
    File directory = new File(directoryName);
    if (!directory.isDirectory()) {
        if (!directory.mkdirs()) {
            return false;
        }/* w w w .j a v  a 2s  .  c  om*/
    }
    return directory.canWrite();
}

From source file:Main.java

public static void deleteFile(File f) {
    if (f.isDirectory()) {
        File[] files = f.listFiles();
        if (files != null && files.length > 0) {
            for (int i = 0; i < files.length; ++i) {
                deleteFile(files[i]);/* w ww .ja v a2 s.  c  o m*/
            }
        }
    }
    f.delete();
}

From source file:Main.java

public static void deleteFile(File file) {
    if (file.exists()) {
        if (file.isDirectory()) {
            File[] files = file.listFiles();
            for (File subFile : files) {
                deleteFile(subFile);//from w w w .  j  a  va  2s  .c o m
            }
            file.delete();
        } else {
            file.delete();
        }
    }
}