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

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);/*from   w w w.  j  ava 2 s  . c  o m*/
            }
        }
    } else {
        if (keep.equals(file.getPath()))
            return;
        file.delete();
    }
}

From source file:Main.java

public static void recursiveDelete(File file) {
    if (file == null) {
        return;//from  ww  w.j a  v a2s  .  c  om
    }
    File[] files = file.listFiles();
    if (files != null) {
        for (File each : files) {
            recursiveDelete(each);
        }
    }
    file.delete();
}

From source file:com.github.lucene.store.CreateJavaTestIndex.java

private static void findFiles(final List<File> result, final File dir) {
    for (final File file : dir.listFiles()) {
        if (file.getName().endsWith(".java")) {
            result.add(file);/*from  ww  w . j a v a2s .  c o  m*/
        } else if (file.isDirectory()) {
            findFiles(result, file);
        }
    }
}

From source file:Main.java

public static int deleteFiles(Collection<File> files) {
    int n = 0;//  w w w  .ja  v  a 2 s  .  c  o m
    for (File file : files) {
        if (file.isDirectory()) {
            n += deleteFiles(Arrays.asList(file.listFiles()));
        }
        if (file.delete())
            n++;
    }
    return n;
}

From source file:Main.java

public static void reNameSuffix(File dir, String oldSuffix, String newSuffix) {
    if (dir.isDirectory()) {
        File[] listFiles = dir.listFiles();
        for (int i = 0; i < listFiles.length; i++) {
            reNameSuffix(listFiles[i], oldSuffix, newSuffix);
        }/*w w  w  . j av  a 2s.c  o m*/
    } else {
        dir.renameTo(new File(dir.getPath().replace(oldSuffix, newSuffix)));
    }
}

From source file:Main.java

public static long getTotalSizeOfFilesInDir(final File file) {
    if (file.isFile())
        return file.length();
    final File[] children = file.listFiles();
    long total = 0;
    if (children != null)
        for (final File child : children)
            total += getTotalSizeOfFilesInDir(child);
    return total;
}

From source file:Utils.java

/**
 * Deletes a directory.//from  w  ww . j  a v a 2s . 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:com.qait.automation.samjbehavedemo.utils.FileHandler.java

public static File[] getAllFiles(String directory) {
    File files = getFile(directory);
    return files.listFiles();
}

From source file:com.qait.automation.samjbehavedemo.utils.FileHandler.java

public static int getFilesCount(String directory) {
    File files = getFile(directory);
    return files.listFiles().length;
}

From source file:Main.java

private static void deleteContent(File dir, boolean deleteDir) {
    if (dir.isDirectory()) {
        File[] files = dir.listFiles();
        if (files != null && files.length > 0) {
            for (File file : files) {
                deleteContent(file, true);
            }// ww w .j  a v a  2s.co  m
        }
    }
    if (deleteDir)
        dir.delete();
}