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 int getNumOfFiles(String dirPath) {
    File dir = new File(dirPath);
    if (!dir.isDirectory()) {
        return 0;
    }// w  ww .j a  v  a 2 s.c o  m

    File[] files = dir.listFiles();
    int numOfFiles = 0;
    for (File f : files) {
        if (f.isFile()) {
            numOfFiles++;
        }
    }

    return numOfFiles;
}

From source file:Main.java

public static boolean isDirectory(File file) {
    return file.exists() && file.isDirectory();
}

From source file:Main.java

/**
 * Recursively deletes folder and files.
 * //w w  w .  j a v  a2s.c  om
 * @param folder
 */
private static void delete(File folder) {
    File[] files = folder.listFiles();
    for (int i = 0; i < files.length; i++) {
        File file = files[i];
        if (file.isDirectory()) {
            delete(file);
        }
        file.delete();
    }
    folder.delete();
}

From source file:Main.java

public static boolean mkdir(String path) {
    File file = new File(path);
    if (file.exists() && file.isDirectory()) {
        return true;
    }// w  w w.  j  a  v  a 2 s  .  c o  m

    file.mkdirs();
    return true;
}

From source file:Main.java

public static void deleteDirContent(File dir) {
    final File[] files = dir.listFiles();
    if (files != null) {
        for (final File file : files) {
            if (file.isDirectory()) {
                deleteDirContent(file);//  w  w  w .  j  ava2 s . c o  m
            }
            file.delete();
        }
    }
}

From source file:Main.java

public static OutputStream getOutputStream(File dir, String fileName) throws Exception {
    File outFile = new File(dir, fileName);
    // as this could be dir=.../maps fileName=preview/file.jpg
    // we need to make sure the preview dir exists, and if it does not, we must make it
    File parent = outFile.getParentFile();
    if (!parent.isDirectory() && !parent.mkdirs()) { // if it does not exist and i cant make it
        throw new RuntimeException("can not create dir " + parent);
    }//from  www . j  a va 2  s  . c  om
    return new FileOutputStream(outFile);
}

From source file:Main.java

public static void deleteDirectory(File directory) {
    if (directory.exists()) {
        File[] files = directory.listFiles();
        if (files != null) {
            for (File file : files) {
                if (file.isDirectory()) {
                    deleteDirectory(file);
                } else {
                    file.delete();/*from w  w  w  . ja va  2s .c o  m*/
                }
            }
        }
    }
    directory.delete();
}

From source file:Main.java

public static boolean createDirs(String dirPath) {
    File file = new File(dirPath);
    if (!file.exists() || !file.isDirectory()) {
        return file.mkdirs();
    }//from  w  w  w  . j  ava 2 s  .co  m
    return true;
}

From source file:Main.java

public static boolean checkFile(File f) {
    if (f != null && f.exists() && f.canRead() && (f.isDirectory() || (f.isFile() && f.length() > 0))) {
        return true;
    }//from ww w  .  j  a v  a  2s .  co m
    return false;
}

From source file:Main.java

public static void deleteFiles(String relativePath) {
    //      File dir = new File(path);
    File dir = creatSDDir(relativePath);
    if (dir.isDirectory()) {
        File[] files = dir.listFiles();
        for (File file : files) {
            file.delete();/*from w w  w .  j a  v a 2 s .  c o  m*/
        }
    }
}