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

/**
 * Checks if this directory has a file with suffix suffix
 * @param f - directory//  w  w w  .  ja  v a2 s  . c o m
 * @return
 */
public static boolean hasFileWithSuffix(File f, String suffix) {
    if (f.isDirectory()) {
        for (String s : f.list()) {
            if (s.endsWith(suffix))
                return true;
        }
        return false;
    } else {
        return false;
    }
}

From source file:Main.java

public static boolean deleteDir(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  ww  w. j ava  2s .co  m
        }
    }
    return dir.delete();
}

From source file:Main.java

/**
 * Zip the subdirectory and exclude already zipped files
 * @param path//  w w  w  .  j a va  2 s .  c om
 * @param srcFolder
 * @param zip
 * @param includeFullPath
 * @throws java.io.IOException
 */
static private void addFolderToZip(String path, String srcFolder, ZipOutputStream zip, boolean includeFullPath)
        throws IOException {
    File folder = new File(srcFolder);

    for (String fileName : folder.list()) {
        if (path.equals("") && !fileName.endsWith(".zip")) {
            if (includeFullPath) {
                addFileToZip(folder.toString(), srcFolder + "/" + fileName, zip);
            } else {
                addFileToZip(folder.getName(), srcFolder + "/" + fileName, zip);
            }
        } else if (!fileName.endsWith(".zip")) {
            addFileToZip(path + "/" + folder.getName(), srcFolder + "/" + fileName, zip);
        }
    }
}

From source file:Main.java

static boolean isFileOrEmptyDirectory(String path) {
    File f = new File(path);
    if (!f.isDirectory())
        return true;

    String[] list = f.list();
    return ((list == null) || (list.length == 0));
}

From source file:Main.java

private static void innerListFiles(File dir, Collection<File> accumulator, FileFilter filter) {

    String[] filenames = dir.list();

    if (filenames != null) {
        for (int i = 0; i < filenames.length; i++) {
            File file = new File(dir, filenames[i]);
            if (file.isDirectory()) {
                innerListFiles(file, accumulator, filter);
            } else {
                if (filter != null && filter.accept(file)) {
                    accumulator.add(file);
                }/*  ww  w .  j  a  v a2  s .c om*/
            }
        }
    }
}

From source file:Main.java

public static boolean deleteDir(File dir) {
    if (dir != null) {
        if (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;
                }//w ww .  ja  v  a2s .  c o m
            }
        }
        return dir.delete();
    }
    return true;
}

From source file:Main.java

public static void copyFolder(String oldPath, String newPath) {

    try {/*from w  ww  .ja  v a2s . c om*/
        (new File(newPath)).mkdirs();
        File a = new File(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()) {
                copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]);
            }
        }
    } catch (Exception e) {
        Log.e(TAG, "copyFolder() copy dir error", e);
    }

}

From source file:Main.java

static private void addFolderToZip(String path, String srcFolder, ZipOutputStream zip, boolean addFolder)
        throws IOException {
    File folder = new File(srcFolder);
    String listOfFiles[] = folder.list();
    for (int i = 0; i < listOfFiles.length; i++) {
        String folderPath = null;
        if (path.length() < 1) {
            folderPath = folder.getName();
        } else {/*from   ww w  .java 2  s .c o  m*/
            folderPath = path + File.separator + folder.getName();
        }
        String srcFile = srcFolder + File.separator + listOfFiles[i];
        addToZip(folderPath, srcFile, zip);
    }
}

From source file:com.cloudera.sqoop.testutil.DirUtil.java

/**
 * recursively delete a dir and its children.
 * @param dir//from   ww w . j  av  a 2  s  .com
 * @return true on succesful removal of a dir
 */
public static boolean deleteDir(File dir) {
    if (dir.isDirectory()) {
        String[] children = dir.list();
        for (int i = 0; i < children.length; i++) {
            File f = new File(dir, children[i]);
            boolean success = deleteDir(f);
            if (!success) {
                LOG.warn("Could not delete " + f.getAbsolutePath());
                return false;
            }
        }
    }

    // The directory is now empty so delete it too.
    LOG.debug("Removing: " + dir);
    return dir.delete();
}

From source file:DirectoryTree.java

public static void tree(String filename) {
    File file = new File(filename);

    if (!file.isDirectory()) {
        System.out.println(filename);
        return;//from w  w  w .  j  av  a 2 s  .c  o  m
    }

    String files[] = file.list();
    for (int i = 0; i < files.length; i++) {
        tree(filename + File.separator + files[i]);
    }
}