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:JarMaker.java

/**
 * Deletes all files and subdirectories under dir.
 * @param dir/*from   ww w  . ja  v  a2  s . com*/
 * @return true if all deletions were successful.If a deletion fails, the
 *         method stops attempting to delete and returns false.
 */
public static boolean deleteDir(File dir) {

    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;
            }
        }
    }

    // The directory is now empty so delete it
    return dir.delete();
}

From source file:de.unirostock.sems.cbarchive.web.VcImporter.java

private static void scanRepositoryDir(File base, File dir, List<File> relevantFiles) {

    String[] entries = dir.list();
    // nothing to scan in this dir
    if (entries == null)
        return;//from   ww w. j a  va2 s  .  c  om

    // looping throw all directory elements
    for (int index = 0; index < entries.length; index++) {
        File entry = new File(dir, entries[index]);

        if (entry.isDirectory() && entry.exists() && !entry.getName().startsWith(".")) {
            // Entry is a directory and not hidden (begins with a dot) -> recursive
            scanRepositoryDir(base, entry, relevantFiles);
        } else if (entry.isFile() && entry.exists()) {
            // Entry is a file -> check if it is relevant

            relevantFiles.add(entry);
        }

    }

}

From source file:forge.util.FileUtil.java

public static boolean isDirectoryWithFiles(final String path) {
    final File f = new File(path);
    return f.exists() && f.isDirectory() && f.list().length > 0;
}

From source file:Main.java

/**
Remove a directory and all of its contents.
        //  w w  w . j  av a 2s. c  o  m
The results of executing File.delete() on a File object
that represents a directory seems to be platform
dependent. This method removes the directory
and all of its contents.
        
@return true if the complete directory was removed, false if it could not be.
If false is returned then some of the files in the directory may have been removed.
        
*/
public static boolean removeDirectory(File directory) {

    // System.out.println("removeDirectory " + directory);

    if (directory == null)
        return false;
    if (!directory.exists())
        return true;
    if (!directory.isDirectory())
        return false;

    String[] list = directory.list();

    // Some JVMs return null for File.list() when the
    // directory is empty.
    if (list != null) {
        for (int i = 0; i < list.length; i++) {
            File entry = new File(directory, list[i]);

            //        System.out.println("\tremoving entry " + entry);

            if (entry.isDirectory()) {
                if (!removeDirectory(entry))
                    return false;
            } else {
                if (!entry.delete())
                    return false;
            }
        }
    }

    return directory.delete();
}

From source file:com.geewhiz.pacify.utils.FileUtils.java

private static void copyDirectoryRecursively(File source, File target) throws IOException {
    if (!target.exists()) {
        Files.copy(source.toPath(), target.toPath(), java.nio.file.StandardCopyOption.COPY_ATTRIBUTES);
    }/*from  www .  j a  v  a2 s .  c  o  m*/

    for (String child : source.list()) {
        copyDirectory(new File(source, child), new File(target, child));
    }
}

From source file:forge.util.FileUtil.java

public static boolean deleteDirectory(File dir) {
    if (dir.isDirectory()) {
        for (String filename : dir.list()) {
            if (!deleteDirectory(new File(dir, filename))) {
                return false;
            }//w  w  w .  java 2 s. co m
        }
    }
    return dir.delete();
}

From source file:Main.java

static boolean copyFiles(File sourceLocation, File targetLocation) throws IOException {
    if (sourceLocation.equals(targetLocation))
        return false;

    if (sourceLocation.isDirectory()) {
        if (!targetLocation.exists()) {
            targetLocation.mkdir();//  www. jav  a 2  s . c o  m
        }
        String[] children = sourceLocation.list();
        for (int i = 0; i < children.length; i++) {
            copyFiles(new File(sourceLocation, children[i]), new File(targetLocation, children[i]));
        }
    } else if (sourceLocation.exists()) {
        InputStream in = new FileInputStream(sourceLocation);
        OutputStream out = new FileOutputStream(targetLocation);

        // Copy the bits from instream to outstream
        byte[] buf = new byte[1024];
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        in.close();
        out.close();
    }
    return true;
}

From source file:com.amalto.core.jobox.util.JoboxUtil.java

private static void zipContents(File dir, String zipPath, ZipOutputStream zos) {
    String[] children = dir.list();
    if (children == null) {
        return;/*w  w  w.  j  a  va2 s.c o  m*/
    }
    for (String currentChild : children) {
        File child = new File(dir, currentChild);
        String childZipPath = zipPath + File.separator + child.getName();
        if (child.isDirectory()) {
            zipContents(child, childZipPath, zos);
        } else {
            try {
                zip(child, childZipPath, zos);
            } catch (Exception e) {
                throw new JoboxException(e);
            }
        }
    }
}

From source file:com.bb.extensions.plugin.unittests.internal.utilities.FileUtils.java

/**
 * Delete the directory if and only if it is empty
 * /* w w w. jav  a2s  .  co  m*/
 * @param dir
 *            The directory to delete
 * @return True if the directory was deleted, false otherwise
 */
private static boolean deleteDirectoryIfEmpty(File dir) {
    if (dir.isDirectory() && (dir.list().length > 0)) {
        return false;
    } else {
        return dir.delete();
    }
}

From source file:com.jalios.ejpt.sync.utils.IOUtil.java

public static void deepDelete(File file) {

    // Recursive calls
    if (file.isDirectory()) {
        String[] list = file.list();
        for (int i = 0; i < list.length; i++) {
            deepDelete(new File(file, list[i]));
        }/*w w w.jav a2  s . c  om*/
    }

    // Perform delete
    boolean deleted = file.delete();
    if (!deleted) {
        logger.warn("Cannot delete file " + file);
    }
}