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:Main.java

public static long folderSize(File directory) {
    long length = 0;
    File[] files = directory.listFiles();
    if (files != null)
        for (File file : files)
            if (file.isFile())
                length += file.length();
            else//w  w  w . j  av a  2s . c o  m
                length += folderSize(file);
    return length;
}

From source file:Main.java

/**
 * Delete directory you passed. the directory's child file and directory will be deleted too by recursive exploring.
 *///from www .  ja v  a  2 s  . c  om
public static void deleteAllFiles(File directory) {
    File[] files;

    files = directory.listFiles();
    files = files == null ? new File[0] : files;

    for (File file : files) {
        if (file.isDirectory())
            deleteAllFiles(file);
        else
            file.delete();
    }
    directory.delete();
}

From source file:Main.java

private static long calculateDirectorySize(File directory) {
    long result = 0;
    for (File file : directory.listFiles()) {
        if (file.isDirectory()) {
            result += calculateDirectorySize(file);
        } else {//  ww  w.  j  av a2s  .com
            result += file.length();
        }
    }
    return result;
}

From source file:Main.java

private static void deleteFlie(String path) {
    if (TextUtils.isEmpty(path)) {
        return;//from ww  w . ja v a 2 s .  com
    }
    File filePath = new File(path);
    File[] itemList = filePath.listFiles();
    long totalSize = 0;
    if (null != itemList) {
        for (File f : itemList) {
            if (f.exists() && f.isFile()) {
                f.delete();
            }
        }
    }
}

From source file:Main.java

public static void delete(File file) {
    if (file.isDirectory()) {
        File[] childs = file.listFiles();
        for (File file2 : childs)
            delete(file2);/*www. j  a v  a 2 s .c  o m*/
    }
    file.delete();
}

From source file:Main.java

public static ArrayList<File> refreshFileList(String strPath) {
    ArrayList<File> filelist = new ArrayList<File>();
    File dir = new File(strPath);
    File[] files = dir.listFiles();

    if (files == null)
        return null;
    for (int i = 0; i < files.length; i++) {
        if (files[i].isDirectory()) {
            refreshFileList(files[i].getAbsolutePath());
        } else {//from ww w  . ja va 2 s .c  om
            if (files[i].getName().toLowerCase().endsWith("zip"))
                filelist.add(files[i]);
        }
    }
    return filelist;
}

From source file:Main.java

public static void deletePhotoAtPathAndName(String path, String fileName) {
    if (checkSDCardAvailable()) {
        File folder = new File(path);
        File[] files = folder.listFiles();
        for (int i = 0; i < files.length; i++) {
            System.out.println(files[i].getName());
            if (files[i].getName().equals(fileName)) {
                files[i].delete();/* w w  w  . j  av  a2  s  .c om*/
            }
        }
    }
}

From source file:Main.java

public static File[] getFolderFiles(URI aPathURI) {
    try {//from  w ww  .  j  a  v  a2  s. c  o  m
        File thisFile = new File(aPathURI);

        return thisFile.listFiles();

    } catch (Exception exp) {
        System.out.println("Error listing file names: " + exp);
    }
    return null;
}

From source file:Main.java

private static void deleteFileAndAnyContents(File file) {
    if (file.isDirectory())
        for (File child : file.listFiles()) {
            deleteFileAndAnyContents(child);
        }// w ww.j av a2 s . c o m

    file.delete();
}

From source file:Main.java

private static long getFileSize(String path) {
    if (TextUtils.isEmpty(path)) {
        return 0;
    }// www  .  j  a  va  2 s .c  o  m
    File filePath = new File(path);
    File[] itemList = filePath.listFiles();
    long totalSize = 0;
    if (null != itemList) {
        for (File f : itemList) {
            if (f.exists() && f.isFile() && f.length() > 0) {
                totalSize = totalSize + f.length();
            }
        }
    }
    return totalSize;
}