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:com.depas.utils.FileUtils.java

/** Deletes all directory and all files/directories in it */
public static boolean deleteDirectory(File dir) {

    if (dir == null) {
        return false;
    }//from   ww  w.  j a v a2s. c  o  m
    if (dir.isDirectory()) {
        String[] children = dir.list();
        if (children != null) {
            for (int i = 0; i < children.length; i++) {
                boolean success = deleteDirectory(new File(dir, children[i]));
                if (!success) {
                    return false;
                }
            }
        }
    }
    // The directory is now empty so delete it
    return dir.delete();
}

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From source file:com.baidu.rigel.biplatform.tesseract.util.FileUtils.java

/**
 * ?// w w w. j  a  v a2  s  .  c  om
 * 
 * @param oldPath
 *            String  c:/fqf
 * @param newPath
 *            String ?? f:/fqf/ff
 * @return boolean
 * @throws Exception
 */
public static void copyFolder(String oldPath, String newPath) throws Exception {
    LOGGER.info(String.format(LogInfoConstants.INFO_PATTERN_FUNCTION_BEGIN, "copyFolder",
            "[oldPath:" + oldPath + "][newPath:+" + newPath + "]"));
    try {

        File newPathFile = new File(newPath);
        newPathFile.mkdirs();

        File oldPathFile = new File(oldPath);
        String[] file = oldPathFile.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 + File.separator + (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.separator + file[i], newPath + File.separator + file[i]);
            }
        }
    } catch (Exception e) {
        LOGGER.info(String.format(LogInfoConstants.INFO_PATTERN_FUNCTION_EXCEPTION, "copyFolder",
                "[oldPath:" + oldPath + "][newPath:+" + newPath + "]"));
        throw e;

    }

    LOGGER.info(String.format(LogInfoConstants.INFO_PATTERN_FUNCTION_END, "copyFolder",
            "[oldPath:" + oldPath + "][newPath:+" + newPath + "]"));

}

---

From source file:it.feio.android.omninotes.utils.StorageManager.java

public static boolean copyDirectory(File sourceLocation, File targetLocation) {
    boolean res = true;

    // If target is a directory the method will be iterated
    if (sourceLocation.isDirectory()) {
        if (!targetLocation.exists()) {
            targetLocation.mkdirs();/*from  w w w .  j  a  va2s.  c  o m*/
        }

        String[] children = sourceLocation.list();
        for (int i = 0; i < sourceLocation.listFiles().length; i++) {
            res = res && copyDirectory(new File(sourceLocation, children[i]),
                    new File(targetLocation, children[i]));
        }

        // Otherwise a file copy will be performed
    } else {
        try {
            res = res && copyFile(new FileInputStream(sourceLocation), new FileOutputStream(targetLocation));
        } catch (FileNotFoundException e) {
            Log.e(Constants.TAG, "Error copying directory", e);
            res = false;
        }
    }
    return res;
}

---

From source file:com.norconex.commons.lang.file.FileUtil.java

/**
 * Visits all files (and only files) under a directory, including 
 * sub-directories.//from w  ww .j a  v  a  2 s .  com
 * @param dir the directory
 * @param visitor the visitor
 * @param filter an optional filter to restrict the files being visited 
 */
public static void visitAllFiles(File dir, IFileVisitor visitor, FileFilter filter) {
    if (!dir.exists()) {
        return;
    } else if (dir.isDirectory()) {
        String[] children = dir.list();
        if (children != null) {
            for (int i = 0; i < children.length; i++) {
                visitAllFiles(new File(dir, children[i]), visitor, filter);
            }
        }
    } else if (filter == null || filter.accept(dir)) {
        visitor.visit(dir);
    }
}

---

From source file:fi.mikuz.boarder.util.FileProcessor.java

private static void copyDirectory(File sourceLocation, File targetLocation) throws IOException {

    if (sourceLocation.isDirectory()) {
        if (!targetLocation.exists()) {
            targetLocation.mkdir();/*from   w  w w .  j  av  a 2 s  .  c  o  m*/
        }

        String[] children = sourceLocation.list();
        for (int i = 0; i < children.length; i++) {
            copyDirectory(new File(sourceLocation, children[i]), new File(targetLocation, children[i]));
        }
    } else {
        copyFile(sourceLocation, targetLocation);
    }
}

---

From source file:com.wavemaker.common.util.IOUtils.java

public static long getMostRecentModificationTime(File f, String... excludes) {
    if (!f.exists()) {
        throw new IllegalArgumentException("File doesn't exist: " + f);
    }//from w w  w. j av  a2  s . c o  m

    if (f.isFile()) {
        return f.lastModified();
    } else {
        long rtn = -1;
        for (String s : f.list()) {
            for (String exclude : excludes) {
                if (s.equals(exclude)) {
                    continue;
                }
            }
            File f2 = new File(f, s);
            long l = getMostRecentModificationTime(f2);
            if (l > rtn) {
                rtn = l;
            }
        }
        return rtn;
    }
}

---

From source file:gate.util.Files.java

/** Recursively remove a directory <B>even if it contains other files
  * or directories</B>. Returns true when the directory and all its
  * contents are successfully removed, else false.
  *///  w w  w .  ja v  a 2s.  c  om
public static boolean rmdir(File dir) {
    if (dir == null || !dir.isDirectory()) // only delete directories
        return false;

    // list all the members of the dir
    String[] members = dir.list();

    // return value indicating success or failure
    boolean succeeded = true;

    // for each member, if is dir then recursively delete; if file then delete
    for (int i = 0; i < members.length; i++) {
        File member = new File(dir, members[i]);

        if (member.isFile()) {
            if (!member.delete())
                succeeded = false;
        } else {
            if (!Files.rmdir(member))
                succeeded = false;
        }
    }

    // delete the directory itself
    dir.delete();

    // return status value
    return succeeded;
}

---

From source file:gov.nih.nci.ncicb.tcga.dcc.qclive.QcliveAbstractBaseIntegrationTest.java

/**
 * Check all files under the given path and delete them if they are not in the given list of valid paths
 *
 * @param path the path where to start checking the paths validity (this one included)
 * @param validPaths the list of valid paths
 *//*from  w w  w . jav a  2s.c o m*/
private static void cleanPath(final String path, final List<String> validPaths) {

    // Delete path if not valid
    final File file = new File(path);

    if (!validPaths.contains(file.getAbsolutePath())) {

        final boolean isDeleted = FileUtil.deleteDir(file);

        if (!isDeleted) {
            fail("Could not delete file '" + file.getAbsolutePath() + "'");
        }
    }

    // Recursively clean children (don't try this at home)
    if (file.isDirectory()) {
        final String[] children = file.list();
        for (final String child : children) {
            cleanPath(path + File.separator + child, validPaths);
        }
    }
}

---

From source file:com.norconex.commons.lang.file.FileUtil.java

/**
 * Visits only directories under a directory.
 * @param dir the directory/*from ww w .  j  a va  2s  .com*/
 * @param visitor the visitor
 */
public static void visitAllDirs(File dir, IFileVisitor visitor) {
    if (!dir.exists()) {
        return;
    } else if (dir.isDirectory()) {
        visitor.visit(dir);
        String[] children = dir.list();
        if (children != null) {
            for (int i = 0; i < children.length; i++) {
                visitAllDirs(new File(dir, children[i]), visitor);
            }
        }
    }
}

---

From source file:jeeves.utils.BinaryFile.java

/**
 * Copy a directory from one location to another.
 * //from   www  .  ja  va 2  s  .c  o m
 * @param sourceLocation
 * @param targetLocation
 * @throws IOException
 */
public static void copyDirectory(File sourceLocation, File targetLocation) throws IOException {

    if (sourceLocation.isDirectory()) {
        if (!targetLocation.mkdirs() && !targetLocation.exists()) {
            throw new IOException("Unable to create target directory " + targetLocation);
        }

        String[] children = sourceLocation.list();
        for (int i = 0; i < children.length; i++) {
            copyDirectory(new File(sourceLocation, children[i]), new File(targetLocation, children[i]));
        }
    } else {
        InputStream in = null;
        OutputStream out = null;
        try {
            in = new FileInputStream(sourceLocation);
            out = new FileOutputStream(targetLocation);
            copy(in, out, false, false);
        } finally {
            if (in != null) {
                IOUtils.closeQuietly(in);
            }
            if (out != null) {
                IOUtils.closeQuietly(out);
            }
        }
    }
}

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