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 getFolderSize(File file) throws Exception {
    long size = 0;
    File[] fileList = file.listFiles();
    for (File f : fileList) {
        if (f.isDirectory()) {
            size += getFolderSize(f);//from   w  w  w  .ja v  a 2s  . c  om
        } else {
            size += f.length();
        }
    }
    return size;
}

From source file:Main.java

public static void innerListFiles(Collection<File> files, File directory, FileFilter filter) {
    File[] found = directory.listFiles();
    if (found != null) {
        for (File aFound : found) {
            if (aFound.isDirectory()) {
                innerListFiles(files, aFound, filter);
            } else {
                File[] found2 = directory.listFiles(filter);
                Collections.addAll(files, found2);
            }/*from  w w  w  .j ava  2 s.c  o  m*/
        }
    }
}

From source file:Main.java

public static long getFolderSize(File dir) {
    long size = 0;
    try {/*from   www.j a va  2  s.c  o m*/
        File[] fileList = dir.listFiles();
        for (int i = 0; i < fileList.length; i++) {
            if (fileList[i].isDirectory()) {
                size += getFolderSize(fileList[i]);
            } else {
                size += fileList[i].length();

            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return size;
}

From source file:Main.java

public static int findNextSequence(String path, String seqFileNamePrefix, String seqFileNameSuffix) {
    int seq = 0;/*from w w w.  j a va  2 s.c o  m*/
    File[] child = null;
    try {
        File dir = new File(path);
        child = dir.listFiles();
    } catch (Exception e) {
        child = null;
    }

    if (child == null) {
    } else {
        for (int i = 0; i < child.length; i++) {
            String fileName = child[i].getName();
            int pre = fileName.indexOf(seqFileNamePrefix) + seqFileNamePrefix.length();
            int suf = fileName.lastIndexOf(seqFileNameSuffix);
            int sufLen = seqFileNameSuffix.length();
            String val_s = "";

            try {
                int val = 0;
                if ((pre >= 0) && (suf >= 0) && (suf > pre) && ((suf + sufLen) == fileName.length())) {
                    val_s = fileName.substring(pre, suf);
                    val = Integer.parseInt(val_s);
                }
                if (val > seq)
                    seq = val;
            } catch (Exception e) {
            }
        }

    }
    return seq + 1;
}

From source file:Main.java

protected static void delFiles(File file) {
    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);//from  w  w w.  ja va 2 s  .co m
            }
        }
    } else {
        file.delete();
    }
}

From source file:Main.java

public static long getFolderSize(File f) {
    long size = 0;
    if (f.isDirectory()) {
        for (File file : f.listFiles()) {
            size += getFolderSize(file);
        }//from   ww w  .jav  a2 s.co  m
    } else {
        size = f.length();
    }
    return size;
}

From source file:Main.java

public static boolean deleteRecursive(File fileOrDirectory) {
    if (fileOrDirectory.isDirectory()) {
        for (File child : fileOrDirectory.listFiles()) {
            deleteRecursive(child);/*from  w ww . j a va  2s  .  c  om*/
        }
    }
    return fileOrDirectory.delete() || !fileOrDirectory.exists();
}

From source file:Main.java

private static void removeDirectory(File directory) {
    if (directory.isDirectory()) {
        File[] files = directory.listFiles();

        for (int i = 0; i < files.length; ++i) {
            if (files[i].isDirectory()) {
                removeDirectory(files[i]);
            }/*from  ww w  .j a  v  a 2s.  c o m*/

            files[i].delete();
        }

        directory.delete();
    }

}

From source file:Main.java

static public boolean deleteDirectory(File path) {
    if (path.exists()) {
        File[] files = path.listFiles();
        if (files == null) {
            return true;
        }//w  w w .  j a  v a 2s  .  co  m
        for (int i = 0; i < files.length; i++) {
            if (files[i].isDirectory()) {
                deleteDirectory(files[i]);
            } else {
                files[i].delete();
            }
        }
    }
    return path.delete();
}

From source file:Main.java

public static List<String> getAllSkinZipFiles(String path) {
    List<String> zipFiles = new ArrayList<String>();
    File file = new File(path);
    if (file.exists()) {
        File[] files = file.listFiles();
        if (files.length > 0) {
            for (File f : files) {
                if (f.getName().startsWith("skin") && f.getName().endsWith("zip")) {
                    zipFiles.add(f.getAbsolutePath());
                }//from ww w.  j av a2  s  .co  m
            }
        }
    }
    return zipFiles;
}